The perimeter of the triangle below is 75 m. Determine the measure of each side of the triangle

Answers

Answer 1

Step-by-step explanation:

The perimeter is the sum of all sides.

AB+AC+CB=75

(2x-9) + (2x+3) + (3x+4) = 75

Combine like terms:

(2x+2x+3x) + (-9+3+4) = 75

7x - 2 = 75

7x = 77

x=11

Replace 'x' with '11' in the above equations to find that:

AB = 2(11) - 9 = 22 - 9 = 13 m

AC = 2(11) + 3 = 22 + 3 = 25 m

CB = 3(11) + 4 = 33 + 4 = 37 m

13 + 25 + 37 = 75 m


Related Questions

Can tar and QRS be proven congruent by SAS?

Answers

Yes,△TSR is Congruent to △QRS ( i.e,△QRS ≅ △TRS) by SAS , because there is all enough information to prove that the triangles are congruent by SAS rule.

What is SAS Congruence rule?

The word "congruent" for figures means the same thing in all respects, mainly shape and size. The relationship between two congruent entities is described by congruence. SAS congruence is a term also known as side angle side congruence. According to this rule, two triangles are congruent if two sides of a triangle are equal to two sides of another triangle and the angles formed by those sides of the two triangles are equal. We have two triangles, TSR and △QRS as we can see in above figure and we get ,

RS = RS ( common side)∠RST = ∠RSQ = 90° SQ = ST ( similar as provide )

Thus, two sides and one angle of triangle is similar to corresponding sides and angle of other triangle, so SAS Congruence criteria is applicable here. Therefore, △QRS ≅ △TRS by the SAS Congruence Postulate.

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Complete question :

Can TSR and QRS be proven congruent by SAS ? and the triangles are shown above figre.

For an investment of $26,245, a quarterly statement reports that the account balance is $26,192. The statement also reports that for the same quarter, the rate of return on the investment was - 0.02%. Given the information regarding the investment's quarterly activity, is the reported rate of return reasonable? Use complete sentences to explain your answer.

Answers

The reported rate of return is not reasonable i.e. the rate of return on the investment is  -0.20% .

What is Return ?

The annual return on an investment, expressed as a percentage of the initial investment.an investment of $200 earns $12 for a year, so the Rate of Return is 12/200 = 0.06 = 6%.

Given, for an investment of $26,245, a quarterly statement reports that the account balance is $26,192 and rate of return for the same quarter was -0.02 %.

Here, we'll calculate the rate of return as follows:

Rate of return = (change in investment/ Initial investment) × 100

                        = ($26,192 - $26,245)/$26,245 × 100

                        = -53/26245 × 100

                        = - 0.20 %

Hence, The correct rate f return will be -0.20 %, not -0.02%.

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pls help this is important



Lea bought some books and a reading light. He spent a total of $54. Each book cost $6 and the reading light costs $12. How many books did he buy?


Select an equation that could be used to answer the question above. Let b represent the number of books.


A. 54+6b+12

B. 54 - 12b = 6

C. 6b+ 12=54

D. 12b-6=54

Answers

Answer is B

6b+12=54
6 dollars for each book (b) plus 12 dollars for the reading light to a total of $54

HELP PLS FAST I WILL MARK THE BRAINLIEST TO WHO IS FIRST



Kally drives 120 kilometers at a speed of 75 kilometers per hour. For how many hours does he drive?

Group of answer choices


A. 1.2 hours


B. 0.8 hours


C. 1.6 hours


D. 1.3 hours

Answers

Answer:

1.6

Step-by-step explanation:

Goold helped!!!

What is the formula of asymptote?

Answers

The formula for finding the asymptote of a hyperbola is

y-k =+/- b/a( x-h)

Hyperbola

A hyperbola is an open curve with two branches, the intersection of a plane with both halves of a double cone. The plane does not have to be parallel to the axis of the cone; the hyperbola will be symmetrical in any case.

An asymptote of the curve y = f(x) or in the implicit form: f(x, y) = 0 is a straight line such that the distance between the curve and the straight line lends to zero when the points on the curve approach infinity.

In Mathematics, infinity is the concept describing something larger than the natural number. It generally refers to something without any limit. This concept is predominantly used in the field of Physics and Math which is relevant in a number of fields.

The quintessential example of asymptotes are the vertical or horizontal lines given by x=0 and y=0, respectively, relative to the graph of the real-valued function f(x)=1x f ( x ) = 1 x in the first quadrant.

In the cartesian system, the coordinate plane is divided into four equal parts by the intersection of the x-axis (the horizontal number line) and the y-axis (the vertical number line). These four regions are called quadrants because they each represent one-quarter of the whole coordinate plane.

The formula for finding the asymptote of a hyperbola is

y-k =+/- b/a( x-h)

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An asymptote of the curve y = f(x) or in the implicit form: f(x, y) = 0 is a straight line such that the distance between the curve and the straight line lends to zero when the points on the curve approach infinity.

The quintessential example of asymptotes are the vertical or horizontal lines given by x=0 and y=0, respectively, relative to the graph of the real-valued function f(x)=1x f ( x ) = 1 x in the first quadrant.

a researcher wants to study students to see if age of students has a positive relationship with grade point average. the researcher will get both age and grade point average from the college but not identifying individual students. grade point average appears to follow the normal curve. which test statistic would you use?

Answers

As our sample size is large and grade point average follows normal curve, we use parametric test.

What is normal curve?

The normal curve is a statistical measurement which refer that the available data presented in a large number close to the mean value.

What is parametric test?

The test is used to determine an approximate value of a set of data.

hence, we use parametric test for determining an approximate value.

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What does infinity x mean?

Answers

The term "infinity" in mathematics refers to something that is bigger than a natural number.

Given that,

We have to find what is infinity means.

We know that,

What is infinity?

Something that has no beginning is said to be infinite. It is generally something that has no restrictions. It is a condition in which there are no boundaries in terms of time, space, or any other kind of quantity.

Infinity is denoted by ∞.

If there is a one-to-one relationship between a set of numbers and a suitable subset of itself, that set can be said to be infinite.

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What is the area of a triangle with a base of 7 1/2 feet and a height of 8 feet

Answers

Answer: 30 sq ft

Step-by-step explanation: The area of a triangle can be calculated using the formula A = 1/2 * b * h, where A is the area, b is the base, and h is the height. In this case, the base of the triangle is 7 1/2 feet and the height is 8 feet, so the area is calculated as follows: A = 1/2 * 7.5 * 8 = 30 square feet. Therefore, the area of the triangle is 30 square feet.

Answer:

[tex]30sq ft[/tex]

Step-by-step explanation:

Find the simple interest

Principal =4800.00

annual interest rate =3%

time= 3 years


The interest earned is = ?

PLS ANSWER THIS IS DUE TOMMOROW

Answers

Use the formula:
Simple interest = Principal x rate x years
Then plug in what you know
Simple interest = 4800 x .03 x 3
Then solve!
Simple interest = $432

Which classification best represents a triangle with side lengths 10 in. , 12 in. , and 15 in. ?acute, because 102+122>152acute, because 122+152>102obtuse, because 102+122>152obtuse, because 122+152>102.

Answers

Answer:

  acute, because 10²+12²>15²

Step-by-step explanation:

You want to classify a triangle with sides 10 in, 12 in, and 15 in.

Form factor

The "form factor" (f) of the triangle can be computed as ...

  f = a² +b² -c²

where a, b, c are the side lengths in increasing order. This is positive for an acute triangle, negative for an obtuse triangle, and zero for a right triangle.

Application

  f = 10² +12² -15² = 100 +144 -225 = 19

  f > 0

That is to say 10² +12² > 15², so the triangle is acute

__

Additional comment

The largest angle in the triangle is arccos(f/(2ab)). In this triangle, that is ...

  arccos(19/(2·10·12)) ≈ 85.46°, an acute angle

A swimming pool has a volume of 32,700 cubic feet. How many gallons of water does the pool hold?.

Answers

Let’s do some conversions:

1 cubic foot = 7.481 Gallons

This being the fact, we can multiply the volume by 7.481 gallons since the 1 gallon is about 748.1% larger than 1 cubic foot. We want to find the total number of gallons, so we will multiply by the volume so to find this:

32,700•7.481=244,628.7

So, the pool hold 244.628.7 gallons

a news article claims that 90% of college students believe that their online courses are as good as or superior to traditional face-to-face instruction. a statistics student disagrees with this statement and believes the true proportion of college students who believe that their online courses are as good as or superior to traditional face-to-face instruction is less than 90%. the student tests the hypotheses if the statistics student concludes that the true proportion of college students who believe that their online courses are as good as or superior to traditional face-to-face instruction is 90%, when in fact, the proportion is less than 90%, the statistics student has made which type of error?

Answers

The correct answer is the error made by the students of statistics is of Type 1 error.

As the question states that,

The news article that claim the number of student who believes that their online courses are as good as  or superior to traditional face-to-face instruction = 90%.

The two types of error known are:

Type I error  :  Reject the null hypothesis when the null hypothesis is true.

Type II error  : Fail to reject the null hypothesis, when the null hypothesis is NOT true.

From the question,

The hypothesis that the student test is H₀ : p = 0.90, Hₐ : p < 0.90 .

Here, p<0.90 means that College student disagree with the statement.

The student had rejected the null hypothesis,

and concluded that p <  0.90 , when in fact the null hypothesis is true .

The correct answer is Type 1 error.

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What are the 8 types of functions?

Answers

The eight types of functions are  Linear Functions, Quadratic Functions, Polynomial Functions, Exponential Functions , Logarithmic Functions, Trigonometric Functions, Rational Functions, Piecewise Functions.

1. Linear Functions: Linear functions are equations of the form y = mx + b, where m and b are constants and x is an independent variable. The equation describes a straight line when graphed. The slope of the line is m, and the y-intercept, where the line crosses the y-axis, is b.

2. Quadratic Functions: Quadratic functions are equations of the form y = ax^2 + bx + c, where a, b, and c are constants and x is an independent variable. These equations describe parabolas when graphed. The vertex of the parabola is the point (x, y) where the curve changes direction and is given by (-b / 2a, c - b^2 / 4a).

3. Polynomial Functions:  Polynomial functions are equations of the form [tex]y = a_nx^n + ... + a_1x + a_0,[/tex] where a_n, ..., a_1, a_0 are constants and x is an independent variable. These equations can describe many different shapes when graphed.

4. Exponential Functions: Exponential functions are equations of the form [tex]y = a^x[/tex], where a is a constant and x is an independent variable. These equations describe exponential growth or decay when graphed. The rate of growth or decay is determined by the value of a.

5. Logarithmic Functions: Logarithmic functions are equations of the form y = log_a x, where a is a constant and x is an independent variable. These equations describe logarithmic curves when graphed. The base of the logarithm is determined by the value of a.

6. Trigonometric Functions: Trigonometric functions are equations of the form y = f(x), where f is a trigonometric function (e.g. sin, cos, tan, cot) and x is an independent variable. These equations describe sine and cosine curves when graphed.

7. Rational Functions: Rational functions are equations of the form y = (ax + b) / (cx + d), where a, b, c, and d are constants and x is an independent variable. These equations can describe many different shapes when graphed.

8. Piecewise Functions: Piecewise functions are equations of the form y = f(x) if x is in a certain interval, and y = g(x) if x is in another interval. These equations can describe many different shapes when graphed.

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What is the difference between fit Fit_transform and predict methods?

Answers

Recall that the transform() and predict() functions only operate on test data, while the fit transform() function only operates on training data.

What is difference between fit and Fit_transform?

The mean and standard deviation for a particular feature are calculated using the fit(data) approach and then scaled. Scaling with mean and standard deviation determined by the. fit() method is done using the transform(data) method. The methods fit transform() and transform are both used for fits.

Predict() makes predictions based on the parameters it learned during fit on the testing examples, while the fit() method applies the model to the input training instances. Fit Transform is a mathematical expression that means to calculate, then transform (say calculating the means of columns from some data and then replacing the missing values). In order to alter the training set, you must also calculate it.

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If y=156 when x=39 what is y when x is 17 please show work

Answers

The value of y when x = 17 based on y=156 when x=39 is 68

What is the value of y?

Based on the given task content; the value of y can be determined by using ratio

y = 156 when x = 39

y = ? when x = 17

Equate the ratio of y to x

156 : 39 = y : 17

156/39 = y / 17

cross product

156 × 17 = y × 39

2,652 = 39y

divide both sides by 39

y = 2,652 / 39

= 68

In conclusion, y is 68 when x = 17 when solved with ratio.

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Find the coordinates of point A' if point A(7, -2) is rotated 180 about the origin

Answers

Answer:

Below

Step-by-step explanation:

See attached image below

pls help me I’m so tired

Answers

Answer:

Step-by-step explanation:

[tex]Equation 1\\y-2x=-2\\Equation 2\\8x=-3y-48[/tex]

To begin, solve equation 1 for y:

[tex]y=2x-2[/tex]

Then substitute 2x-2 for y in equation 2:

[tex]8x=-3(2x-2)-48[/tex]

Now solve for x:

[tex]8x=-3(2x-2)-48\\8x=-6x+6-48\\8x=-6x-42\\(8x)+6x=(-6x-42)+6x\\14x=-42\\\frac{14x}{14}=\frac{-42}{14}\\x=-3[/tex]

Substitute this x-value into equation 1:

[tex]y=2x-2\\y=2(-3)-2\\y=-6-2\\y=-8[/tex]

So, the ordered pair that best represents the solution to this system of equations is (-3,-8).  This can be proven by substituting these values for x and y into the original equations:

[tex]y-2x=-2\\(-8)-2(-3)=-2\\-8-(-6)=-2\\-8+6=-2\\-2=-2[/tex]

and

[tex]8x=-3y-48\\8(-3)=-3(-8)-48\\-24=24-48\\-24=-24[/tex]

What is median math 7th grade?

Answers

Median is the middlemost value after the data set is sorted in ascending or descending order.

What is median?

The data set's median is the value in the middle.when we will put all the numbers in ascending or descending order, and then choose the middle number to determine the median. There will only be one middle integer if the number of data points is odd. If the number of data points is even, you must choose the middle two numbers, add them up, and divide by two. Your median will be that value.

so if we given with a data set 2, 1 ,4, 3,2 ,2 ,1

so in order to find the median of a data set we will sort it into ascending order and then find the middle most value as the number of element is odd.

so after sorting the data set is like 1 , 1 , 2 , 2, 2 , 3 , 4 so the middle value is 4 the element which is 2 and hence median of the data set is 2.

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Is a rigid motion is another name for a congruence transformation?

Answers

Motion that keeps a distance while traveling in a plane is referred to as rigid body motion. There are four types of transformations, also called stiff, congruent, isometric, or similar terms.

What is rigid transformations?

The separation between each pair of the geometric object's points is preserved during a rigorous change of the object. In other words, a rigid transformation maintains the object's size and shape. For instance, the rigid transformation of a triangle retains the angles and lengths of the triangle. Imagine a stiff shape distortion, similar to a cardboard shape. The form remains the same after being pushed left and right, rotated, and flipped. When the mold was created using putty, the opposite was true. The thing can then be twisted and stretched. These conversions, nevertheless, are not exact. Stretching a form alters the distances between each pair of its points.

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A number split by 3 in algebraic expression​

Answers

Answer:

x/3

Step-by-step explanation:

like x divided by 3

Is AAS and SAA the same?

Answers

Yes AAS and SAA are the same Methods for determining whether two triangles are congruent.

The acronym AAS or SAA stands for "Angle, Angle, Side or Side, Angle, Angle" denoting two angles and a side opposite them. AAS os SAA is one of the five methods for determining whether two triangles are congruent. It states that two triangles are congruent if their vertices are in one-to-one correspondence, that is if two angles and the side that is opposite to one of them in one triangle are congruent to the corresponding angles and the side that is not included in the second triangle. The side that is in opposition to either of the angles that are being used is called the non-include side. In layman's terms, two triangles are congruent if the sides of two pairs of corresponding angles are equal in each triangle.

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A grab-bag contains 20 packages worth $. 70 each, 15 packages $. 60 cents each, and 5 packages worth $. 30 each. What is the expected value if you have to pay $. 50 to pick one package at random?.

Answers

The expected value to pick a package is $.1125.

To find the expected value, you need to multiply the value of each package by the probability of selecting it and then add up all of these values.

The probability of selecting one of the $.70 packages is 20/40 = 1/2, since there are a total of 40 packages and 20 of them are worth $.70. The expected value of selecting one of these packages is $.70 * (1/2) = $.35

The probability of selecting one of the $.60 packages is 15/40 = 3/8, since there are a total of 40 packages and 15 of them are worth $.60. The expected value of selecting one of these packages is $.60 * (3/8) = $.22.5

The probability of selecting one of the $.30 packages is 5/40 = 1/8, since there are a total of 40 packages and 5 of them are worth $.30. The expected value of selecting one of these packages is $.30 * (1/8) = $.0375

The expected value of selecting one package at random is therefore $.35 + $.22.5 + $.0375 = $.61.25. However, you have to pay $.50 to pick a package, so the net expected value is $.61.25 - $.50 = $.1125.

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Picking a bundle is anticipated to be worth $.1125.

You must multiply the value of each package by the likelihood that it will be chosen before adding up all of these values to arrive at the expected value.

Given that there are a total of 40 packages and 20 of them are valued at $.70 each, the likelihood of choosing one of the $.70 packages is 20/40 = 1/2. Selecting one of these packages has an expected value of $.70 * (1/2) = $.35.

Given that there are 40 products in total and 15 of them are worth $.60 each, the probability of choosing one of the $.60 packages is 15/40 = 3/8. Choosing one of these packages will result in a value of $.60 * (3/8) = $.22.5.

There are a total of 40 packets, and 5 of them are worth $.30, hence the likelihood of choosing one of the $.30 packages is 5/40 = 1/8. By choosing one of these packages, the predicted value is $.30 * (1/8) = $.0375.

Therefore, $.35 + $.22.5 + $.0375 = $.61.25 is the expected value of choosing one package at random. The net expected value is $.61.25 - $.50 = $.1125 due to the fact that you must pay $.50 to choose a bundle.

PLS SOLVE for please and thank you:))

Answers

14.) 220 square unit
15.) 150 square unit
16.) h(t)= -16t^2+32t+75 and maximum height is 91 ft.

Если большой металлический шар данного радиуса R расплавить и из всего материала вылить одинаковые маленькие шарики радиуса r, то сколько их получится?

R=3см;r=0,5см;π≈3.

Answers

Answer: 216 small balls

Step-by-step explanation:

The volume of a ball:

                                [tex]\displaystyle\\V=\frac{4}{3} \pi R^3[/tex]

Let us calculate the volume of a big metallic ball:

[tex]\displaystyle\\V_{big}=\frac{4}{3} (3)(3^3)\\\\ V_{big}=4(27)\\\\V_{big}=108 \ cm^3[/tex]

Now let us calculate the volume of a big small ball:

[tex]\displaystyle\\V_{small}=\frac{4}{3} (3)(0.5^3)\\\\ V_{small}=4(0.125)\\\\V_{small}=0.5 \ cm^3[/tex]

Thus, the number of identical small balls should work:

[tex]\displaystyle\frac{V_{big}}{V_{small}} =\frac{108}{0.5} \\\\\frac{V_{big}}{V_{small}} =216\ units[/tex]

An equation is given.
y=3x+c
Create an equivalent equation by solving for c in terms of y and x.

Answers

An equation is given as y=3x+c, an equivalent equation can be created by by solving for c in terms of y and x as y-3x.

How can this be calculated?

An equation is given as y=3x+c , the concept that can be used to find the expression of c is the subject of the formular.

It should be noted that the  subject of a formula is the variable that is being worked out which is been recognised as the letter on its own on one side of the equals sign.

y=3x+c

c= y-3x

Then solving for c in terms of y and x will give us (y-3x)

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A man is four times as old as his son. In 5 year’s time he will be three times as old as his son. What is the present age of the son in years?

Answers

The age of the son is 10 years old.

Lets simplify the above problem ,

Let assume man's age = a

Let assume son's age = b

If  a man is 4 times as old as his son, then

=> a= 4b

In 5 years, he will only be 3 times as old as his son, then

= a+5

= 3(b+5)

Apply substitution method :

4b+5

=3b+15

b=10

a =40

Hence the son age is 10 years old.

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Answer. Man's present age : 40 years old.

What is the mean value of 1234567?

Answers

The mean of the data 1,2,3,4,5,6,7 is 4.

Mean is the average of the given numbers and is calculated by dividing the sum of given numbers by the total number of numbers.

The basic formula to calculate the mean is calculated based on the given data set. Each term in the data set is considered while evaluating the mean. The general formula for mean is given by the ratio of the sum of all the terms and the total number of terms. Hence, we can say;

Mean = Sum of the Given Data/Total number of Data

Mean= 1+2+3+4+5+6+7 / 7 = 28/7 = 4

Hence, The mean of the data 1,2,3,4,5,6,7 is 4.

Complete question: What is the mean value of 1,2,3,4,5,6,7?

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Discrete Random Variables

Answers

A discrete random variable may take on only a countable number of distinct values such as 0,1,2,3,4,...

Discrete random variables are usually (but not necessarily) counts. If a random variable can take only a finite number of distinct values, then it must be discrete. Examples of discrete random variables include the number of children in a family, the Friday night attendance at a cinema, the number of patients in a doctor's surgery, and the number of defective light bulbs in a box of ten.

The probability distribution of a discrete random variable is a list of probabilities associated with each of its possible values. It is also sometimes called the probability function or the probability mass function.

Example'

The cumulative distribution function for the above probability distribution is calculated as follows:

The probability that [tex]X[/tex] is less than or equal to is 0.1,

the probability that [tex]X[/tex] is less than or equal to 2 is 0.1+0.3 = 0.4,

the probability that [tex]X[/tex] is less than or equal to 3 is 0.1+0.3+0.4 = 0.8, and

the probability that [tex]X[/tex] is less than or equal to 4 is 0.1+0.3+0.4+0.2 = 1.

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HELP ASAP 50 POINT QUESTION 100 POINT ASSIGNMENT!!!

An indoor staircase has a 14 inch vertical rise per step to get to the second floor of the house. If the angle of elevation is 47 degrees and there are 13 feet of horizontal space total for each of the landings combined, answer the following questions showing each step of your work:

A: What is the landing space per step (in inches, rounded to the nearest inch)?

B: Find the vertical rise from the 1st floor to the 2nd floor (in feet, rounded to the nearest foot).

(Please and thank you! I will mark brainliest to the first answer that’s correct!)

Answers

a) 7 in

b) 72 steps

Step-by-step explanation:

Angle of elevation formula:  

where  is the angle of elevation, y is the vertical distance (rise) and x is the horizontal distance.

a)  Given:

b)  Given:

1st floor = 21 feet

2nd floor = 21 feet

⇒ Total height = 21 + 21 = 42 feet

1 foot = 12 inches

⇒ 42 feet = 42 x 12 = 504 inches

Using vertical rise of 7 in per step found in part (a):

Number of steps = 504 ÷ 7 = 72

Increased accuracy

Using unrounded vertical rise of 12tan(32):

Number of steps = 504 ÷ 12tan(32) = 67 steps to the nearest step

Box B has a mass of 350 grams and is 45 grams lighter than box A. What is the mass of box A?

A) 305 grams

B) 320 grams

C) 395 grams

D) 420 grams

Answers

Answer:

C) 395 grams

Step-by-step explanation:

Box B = 350g and is lighter than box A, 45 gram

Box A = Box B +45

350 + 45 = 395 grams

So, the answer is C

Other Questions
please help me ...... Which of the following best describes the sequence of events following the shooting of President Lincoln?Lincoln died immediately, and his assassin was shot leaving Fords Theater.Lincoln died immediately, and his assassin was arrested that evening.Lincoln died the following day, and his assassin was killed several days later.Lincoln received immediate medical care, and his assassin was never caught. Write down a number that has the same value as each number:a. |5| b. |-12.9|c. Write down a number that has a value less than |4.7|.d. Write down a number that has a value greater than |-2.6|. Match the vocabulary with the correct description.Column AColumn B1.axisa. angular distance north and south of the equator2.rotationb. an imaginary line that an object spins or revolves around3.revolutionc. a force that exists between any two objects that havemass4.latituded. the orbiting of an object around another object5.gravitye. the spinning of a celestial body, such as a planet, aroundan axis A computer engineer is investigating whether the amount of installed RAM (random access memory) can be used to predict the mean cost of a laptop with the operating system. The computer engineer collected a sample of 20 laptops with the same operating system. The engineer wants to estimate the mean change in the cost, in dollars, for each increase of 1 gigabyte of installed RAM. Assuming the conditions for inference have been met, which of the following inference procedures is the most appropriate for such an investigation?a. A two-sample z-interval for a difference between proportions. b. A two-sample t-interval for a difference between means. c. A matched-pairs t-interval for a mean difference. d. A one-sample t-test for means. e. A linear regression t-interval for slope Which of the following is a physical change? (1 point)A newspaper burns when placed in a fire.An iron chair rusts when left outside.A sample of water boils and releases gas.A plant changes carbon dioxide and water into sugar.Electricity is used to split water molecules into hyrdogen and oxygen PA! PA!if you wanna be a fun brainly person, post meme and fun stuff under arts so we know where the cool stuff is uwu Are the two triangles congruent ? Please answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!! Question 1 (2 point)(16.02 LC)Which shape can be classified as a rectangle? (2 points)aRhombusSquarecTrapezoiddParallelogram A one-terabyte external hard drive is on sale at a 25% discount. If the original price was $347, what is the sale price? Kelly had an apple She cut it in half, and then she cut it in half againShe ate three pieces of the apple. How many pieces did Kelly have it? 3. What biotic and abiotic factorscan you find in this marineecosystem?Pls dont put links or fake answers for points How did scientists use eclipses to prove Earth was round?During a lunar eclipse, Earth shadow's on the Moon is circular.During a solar eclipse we can see the Earth's circular shape.The shadow of Earth's shape can be seen on the Sun.Please dont answer just because you want points. "Till the late 1970`, India. China and Pakistan - all the three countries were maintaining the samelevel of low development. The last three decades have taken these countries to different levels.Do you agree with the given statement? Give valid reasons in support of your answer. A horizontal spring is lying on a frictionless surface. One end of the spring is attached to a wall, and the other end is connected to a movable object. The spring and object are compressed by 0.065 m, released from rest, and subsequently oscillate back and forth with an angular frequency of 11.3 rad/s. What is the speed of the object at the instant when the spring is stretched by 0.048 m relative to its unstrained length 8 1/2+6 1/2=..........NO LINK Find the surface area of the prism What is the Surface Area of the figure below?A. 268 square inchesB. 134 square inchesC. 21 square inchesD. 240 square inches Which of the following statements accurately compares a difference between the Human Development Index (HDI) and Gender Inequality Index (GII) as shown in the table? discuss how positive relationship in a family could assist you achieve academically