Lateral surface area = 2H(L + W)
Total surface area = 2 LW + 2 WH + 2 HL
How to find the lateral and total surface area of prism?We need to know the prism's dimensions in order to determine its lateral and total surface area for a rectangular base prism. The rectangular prism's length, width, and height are assumed to be L, W, and H, respectively.
The sum of the areas of the rectangular prism's four lateral faces determines its lateral surface area. Since every sidelong face is a square shape with a level of H and a width of one or the other L or W, the parallel surface region is given by:
Lateral Surface Area = 2H(L + W)
The sum of the areas on each of the six faces creates the rectangular prism's total surface area. This incorporates the four sidelong faces, as well as the top and base faces, which are additionally square shapes with aspects L x W. Consequently, the all out surface region is given by:
Total Surface Area = 2(LW + LH + WH)
So, if you know the dimensions of the rectangular prism, you can use these formulas to find its lateral and total surface area.
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A survey stopped men and women at random to ask them where they purchased groceries, at a local grocery store or online. Results are shown in the table below, but some values are missing. Fill in the missing values.
Answer:
Step-by-step explanation:
Women row is 24 20 44
men row is 64 32 96
total row is 64 32 96
I need to find the area please help
Answer:
It is trapizium so the area can be calculated as
[tex] \frac{1}{2} (6ft + 8ft) \times 5ft \\ = {35ft}^{2} [/tex]
u can solve area of trapizium by
1/2(a+b)h
and when you solve it u get the answer 35ft^2
Measure the scissors to the nearest 1/8 inch (look at pic)
A. 3 inches
B. 2 /78 inches
C. 2 5/8 inches
D. 2 6/8 inches
The minimum number of cuts John needs to make to cut a 5-inch piece of paper using scissors with blades that are 4 and 3/8 inches long is either one or two
To determine the minimum number of cuts John needs to make to cut a 5-inch piece of paper using scissors with blades that are 4 and 3/8 inches long:
Subtract the length of the blades from the desired length of the paper:
5 - 4 3/8 = 1/8 inch
Therefore, the minimum number of cuts John needs to make are 4 and 3/8 inches long is either one or two, depending on whether he chooses to fold the paper or not.
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--The complete Question is, John needs to cut a piece of paper using a pair of scissors. He measures the scissors to the nearest 1/8 inch and finds that the length of the blades is 4 and 3/8 inches. If John wants to cut a piece of paper that is exactly 5 inches long, what is the minimum number of cuts he needs to make? --
A scientist removed a sample of 37.8 grams of a chemical from a containerThe sample was 4(1)/(4) grams less than (1)/(5) of the total mass of the chemical in the container. What was the measure of the total chemical in the container? Show your work.
3. This chart shows the mean age and standard deviation for students in three dance classes. Use these
data to answer the questions.
Class
Morning
Noon
Evening
Mean (years)
8.9
15
22
Standard deviation
(years)
2.4
1.2
0.8
a) Which class has the highest average age? Morning / Noon / Evening
b) Which class has ages that are the most spread out? Morning / Noon / Evening
c) If the noon class has a symmetric distribution, what is the median?.
If the noon class has a symmetric distribution, the median would be 15.
From the given table,
a) Evening class has the highest average age, that is 22 years.
b) Morning class has age that are the most spread out, that is 2.4.
c) If the noon class has a symmetric distribution, the median would be 15 (which is equal to the mean).
Therefore, if the noon class has a symmetric distribution, the median would be 15.
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If the length of a rectangle prism is doubled, it’s width is tripled, and it’s height remains the same, what is the volume of the new rectangle prism?
If in a rectangular-prism, the length is doubled, width is tripled and height is same, then the volume of new rectangular prism will be 6 times the original-prism.
The "Volume" of a 3-D object is defined as the amount of space that object occupies in three-dimensional space. It is a measure of the total capacity or size of the object
Volume of a rectangular prism is ⇒ Volume = Length × Width × Height,
If the length of the rectangular prism is doubled, the new length would be 2 times the original length.
If the width is tripled, the new width would be 3 times the original width, and
If the height remains the same, it would be the same as the original height.
Let the original length be = "L", width be = "W", and height be = "H",
So, New Length = 2L , New Width = 3W, New Height = H (remains unchanged),
So, volume of new rectangular prism is :
⇒ New Volume = (New Length)×(New Width)×(New Height),
⇒ (2L) × (3W) × H
⇒ 6LWH
Therefore, volume of "new-rectangular prism' is 6 times volume of original rectangular prism.
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5. Find the perimeter and area
*Triangle- based prism*
Step-by-step explanation:
for the perimeter you have to say two brackets live plus height plus with plastic
Help please !
I need the answer I’m stuck
Answer: I think it might be A.
Step-by-step explanation:
x2=441 -1
what wouod it be
Answer:
The answer for x is 11
Step-by-step explanation:
x²=144-1
Square root of both sides
√x²=√144-1
x=12-1
x=11
Can someone please help me
Answer: y - 2 = 2(x - -3)
The slope is 2 is you find the intercept.
Step-by-step explanation:
:)
PLEASEEE HELP I BEGGG
Answer:
B and then A
Step-by-step explanation:
volume is × so the . means times
so it's the only option
and then the second area is
6×3×4= 72cm³
Draw a dot plot (line plot) to show how many movies Shane watched in a four week period. (from weeks 1-4 he watched 2, 4, 0, and 5)
Answer:
The analysis is given below :
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Calculate the size of angle edc
Answer:
64 degrees
Step-by-step explanation:
Corresponding angles are equal so angle BAF = 133 degrees. Supplementary angles add to 180 degrees so angle AFC = 47 degrees.
Angles on a straight line add to 180 degrees so angle CFE = 180 - 47 = 133 degrees.
Angles in a quadrilateral add to 360 degrees so angle EDC = 360 - (133 + 101 + 62) = 64 degrees.
Therefore angle EDC = 64 degrees
recently, mario's tantrums seem to last longer. which data recording procedure might be the best one to use to determine this? duration partial interval whole interval time sampling
Answer: Time sampling
Step-by-step explanation:
It would be time sampling to see how long his tantrums are lasting and by keeping samples it should show you how long most tantrums will last.
I did this so i promise its right! give brainliest or rate and like please
Carly spent $13.25 on supplies to make lemonade. At least how many glasses of lemonade must she sell at $0.20 per glass to make a profit?
Answer:
66.25
technically 67 glasses
Step-by-step explanation:
A jar contains 30 red marbles, 50 blue marbles and 20 white marbles. you pick one marble from the jar at random. find the probability of selecting a marble that is not blue
Answer:
50/100 or 1/2 or 50%
Step-by-step explanation:
total = 30 + 20 + 50 = 100
the probability of choosing a marble that is not blue is equal to the total minus all marbles that are blue therefore 100-30-20=50 therefore the probability is 50/100 or 1/2 or 50%
WZ and XR are diameters find the measure of XZ in circle C
The length of XZ in circle C is equal to the √34. This can be found using the Pythagorean theorem and the fact that XZ is a radius of the circle.
As WZ and XR are diameters, they intersect at the center of the circle, which we'll call point O.
Since WX is a chord of the circle, we can use the perpendicular bisector of WX, which passes through O, to find the length of XZ.
Let's call the midpoint of WX point M. Then OM is perpendicular to WX and bisects it.
So we have two right triangles, OXM and MXZ. We know that OM = 5 and XM = 3 (half of WX).
Using the Pythagorean theorem, we can find the length of OX:
OX² = OM² + MX²
OX² = 5² + 3²
OX² = 34
OX = √(34)
Since XZ is also a radius of the circle, we have XZ = OX = √(34).
Therefore, the measure of XZ in circle C is √(34).
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Listen
The length of a rectangle is given by the function 1(x) = 2x + 1, and the width of the rectangle is given by
function w(x) = x +4.
Which function defines the area of the rectangle?
Hint: A = 1- w
O a(z)=2x² + 9x +4
O a(z)=2x² + 5x +4
O a(z)=2-3
O a(z) = 3r+5
The correct function that defines the area of the rectangle is:
A(z) = 2[tex]x^{2}[/tex]+ 9x + 4 (option A).
HOW TO CALCULATE AREA OF THE RECTANGLE?The area of a rectangle is given by the product of its length and width. So, the function that defines the area of the rectangle would be:
A(x) = l(x) * w(x)
where l(x) is the length of the rectangle given by the function 1(x) = 2x + 1, and w(x) is the width of the rectangle given by the function w(x) = x + 4.
Substituting the given functions for length and width, we get:
A(x) = (2x + 1) * (x + 4)
Now, we can expand and simplify the expression:
A(x) = [tex]2x^2 + 8x + x + 4[/tex]
A(x) = [tex]2x^2 + 9x + 4[/tex]
So, the correct function that defines the area of the rectangle is:
A(z) =[tex]2x^2 + 9x + 4 ([/tex]option A).
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(1 point) a 17 foot ladder is leaning against a wall. if the top slips down the wall at a rate of 2 ft/s, how fast will the foot be moving away from the wall when the top is 16 feet above the ground?
When the top of the ladder is 16 feet above the ground, the foot of the ladder is moving away from the wall at a speed of approximately 3.86 feet per second.
This is a related rates problem involving a ladder leaning against a wall. Let's denote the distance of the foot of the ladder from the wall as x, and the height that the top of the ladder reaches as y. We are given that dy/dt = -2 ft/s (since the top is slipping down the wall) and we want to find dx/dt (the speed at which the foot of the ladder is moving away from the wall) when y = 16 ft.
Using the Pythagorean theorem, we have:
[tex]x^2 + y^2 = 17^2[/tex]
Differentiating implicitly with respect to time, we get:
[tex]2x(dx/dt) + 2y(dy/dt) = 0[/tex]
Substituting the given values, we get:
[tex]2x(dx/dt) + 2(16)(-2) = 0[/tex]
Simplifying, we get:
[tex]2x(dx/dt) = 64[/tex]
Dividing both sides by 2x, we get:
dx/dt = 64/(2x)
We know that y = 16, so we can use the Pythagorean theorem to solve for x:
[tex]x^2 + 16^2 = 17^2x^2 = 17^2 - 16^2x^2 = 33[/tex]
Taking the square root, we get:
[tex]x = sqrt(33)[/tex]
Substituting this into our expression for dx/dt, we get:
[tex]dx/dt = 64/(2*sqrt(33)) ≈ 3.86 ft/s[/tex]
Therefore, when the top of the ladder is 16 feet above the ground, the foot of the ladder is moving away from the wall at a speed of approximately 3.86 feet per second.
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Find the value of x. Round to the nearest degree.
A right triangle is drawn with an angle that is labeled x degrees. The leg opposite of the labeled angle is 7. The hypotenuse is 9.
Rounding to the nearest degree, we get x = 53 degrees.
We can use the inverse sine function (sin⁻¹) to find the value of x.
From the sine rule,
sin(x) = opposite/hypotenuse
[tex]sin(x) = 7/9\\x = sin^{-1}(7/9)[/tex]
Using a calculator, we find that x is approximately 53.13 degrees. Rounding to the nearest degree, we get x = 53 degrees.
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What is ¨the amount of space in a gift box for earrings¨ unit of measurement
A - Square meters
B - Yards
C - Cubic inches
D - Cubic feet
E - Square centimeters
The amount of space in a gift box for earrings would typically be measured in cubic inches (C).
how to solve the question?
Cubic inches is a unit of volume that is commonly used to measure the capacity of small, enclosed spaces like boxes, containers, and packaging. It is defined as the volume of a cube that measures one inch on each side.
For a gift box designed to hold earrings, the volume of the box would need to be sufficient to accommodate the size of the earrings and any additional padding or decorative elements. Since earrings are small, the gift box would likely have a small volume, measured in cubic inches.
Other units of measurement, like square meters or yards, are used to measure the area of two-dimensional surfaces like floors, walls, or yards. Square centimeters are also a unit of area measurement, but they are much smaller than square meters or yards, and may be used to measure the surface area of small objects.
Cubic feet is a larger unit of volume measurement that may be used for larger boxes or containers, like shipping crates or storage bins. However, for a gift box designed specifically for earrings, cubic inches is likely the most appropriate unit of measurement.
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fP=\ (x, y) : y = 3x-1, x ≤ 4, xe N}, find P * 1 State the elements of the following relations: (b) y = 4x (d) x + y >= 20 y = x (a) (c) x + y
Answer:
Step-by-step explanation:
To find P * 1, we need to find all pairs of elements in P that have a difference of 1. Let's start by listing the elements of P:
P = {(1, 2), (2, 5), (3, 8), (4, 11)}
Now, we can find all pairs of elements in P that have a difference of 1:
(1, 2), (2, 5) -> (1, 5)
(2, 5), (3, 8) -> (1, 3)
(3, 8), (4, 11) -> (1, 3)
Therefore, P * 1 = {(1, 5), (1, 3), (1, 3)} = {(1, 5), (1, 3)} (since the last pair is a duplicate).
(b) The given relation is: y = 4x
The elements of this relation are all pairs (x, y) such that y = 4x. For example, (1, 4), (2, 8), (3, 12), etc.
(c) The given relation is: x + y ≥ 20
The elements of this relation are all pairs (x, y) such that x + y is greater than or equal to 20. For example, (1, 19), (2, 18), (3, 17), etc.
(d) The given relation is: y = x
The elements of this relation are all pairs (x, y) such that y = x. For example, (1, 1), (2, 2), (3, 3), etc.
what is the median of 8,12,10,5,2,10,17,20,14,22
Answer:
The median is 11.
Step-by-step explanation:
To find the median, you need to put all of the numbers in order.
In this case it would go:
2, 5, 8, 10, 10, 12, 14, 17, 20, 22
Now you find the middle number. Since there is an even amount of numbers, the median will fall between two different numbers. These numbers are 10 and 12. The median will be the number in between these two, which is 11. Therefore, the median is 11.
IM SO SORRY IF THIS DID NOT MAKE SENSE!
Listen Which statement correctly describes the scatter plot?
O The scatter plot shows clustering near the point (3, 5).
O The scatter plot does not show any pattern at all.
O The scatter plot shows clustering near the z-value of 3.
O The scatter plot shows clustering near the y-value of 3.
The statement that correctly describes the scatter plot is
The scatter plot does not show any pattern at all.What is scatter plotA scatter plot is a type of data visualization that displays the relationship between two numerical variables.
It is a graph that uses dots or points to represent the values of each variable, with one variable plotted on the x-axis and the other on the y-axis.
The position of each dot on the graph represents the values of the two variables for a single observation or data point.
Scatter plots are commonly used to identify patterns or relationships between variables, such as correlation or causation.
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Equation
Situation
A plant in Zahra's garden grows 0.8 inches
taller each week. After x weeks, the plant has
grown 6 inches.
Meaning of x
Answer:
if no initial high im guessing 4.8 weeks
Step-by-step explanation:
4.8 divied by .8 = 6
Answer:
7 week 3 days and 12 hour
Step-by-step explanation:
x is the required week and to calculat it
1st for 1 week= o.8 inch
x = 6 inch
2nd u solve it after u solve it u get 7.5 but week dosen't said by decimals so u will multiply 0.5 by days of the week which is 7 .
3rd u will get 3.5 as we said before for days we can't use decimals so yo will multiply 0.5 by hour which 24 then u will get 12 . so the answer is 7 week 3 days and 12 hour .
The Chang family is on their way home from a cross-country road trip.
During the trip, the function D(t)=2,280-60t can be used to model their distance, in miles, from home after t hours of driving.
Part A:
Find D(15) and interpret the meaning in the context of the problem.
To find D(15), we simply substitute t = 15 into the function:
D(15) = 2,280 - 60(15)
D(15) = 2,280 - 900
D(15) = 1,380
Therefore, when the Chang family has been driving for 15 hours, they are 1,380 miles away from home.
Interpreting this result in the context of the problem, we can say that the family has made good progress on their trip and has covered a distance of 1,380 miles from home.
The distribution of the heights of students in a large class is roughly Normal. Moreover, the average height is 68 inches, and approximately 95% of the heights are between 62 and 74 inches. Thus, the standard deviation of the height distribution is approximately equal toA) 2 B) 3 C) 6 D) 9 E) 12
The standard deviation of the height distribution is approximately 6 inches (since 6 is half of 12), which corresponds to option (C).
The distribution of the heights of students in a large class is roughly Normal, with an average height of 68 inches, and approximately 95% of the heights are between 62 and 74 inches.
The height distribution is approximately Normal, we can use the empirical rule, which states that approximately 95% of the data falls within 2 standard deviations of the mean, to estimate the standard deviation.
The range of heights within which approximately 95% of the students fall is from 62 to 74 inches.
This range is 12 inches wide, and it corresponds to 2 standard deviations from the mean.
Thus, we have:
2 standard deviations = range of 95% of the data = 74 - 62 = 12 inches
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Find the probability of exactly three
successes in five trials of a binomial
experiment in which the probability of
Success is 90%.
P = [?]%
Round to the nearest tenth of a percent.
The probability of exactly three successes in five trials of a binomial experiment with a 90% probability of success is 0.0729 or about 7.29%.
What is the probability where the P(success) is 90%?To find the probability of exactly three successes in five trials of a binomial experiment with a 90% probability of success, we can use the binomial probability formula:
P(X = k) = (n choose k) * p^k * (1 - p)^(n - k)
Plugging in the values, we get:
P(X = 3) = (5 choose 3) * (0.9)^3 * (1 - 0.9)^(5 - 3)
= 10 * (0.9)^3 * (0.1)^2
= 0.0729
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a newsletter publisher believes that more than 51% of their readers own a personal computer. is there sufficient evidence at the 0.05 level to substantiate the publisher's claim? state the null and alternative hypotheses for the above scenario.
Answer: The null hypothesis for this scenario is that the proportion of readers who own a personal computer is 0.51 or less:
H0: p <= 0.51
The alternative hypothesis is that the proportion of readers who own a personal computer is greater than 0.51:
Ha: p > 0.51
To test this hypothesis, we would need to collect a random sample of readers and determine the proportion of readers who own a personal computer in the sample. We could then use a one-sample proportion test to determine whether the proportion in the sample is significantly different from the null hypothesis value of 0.51. If the p-value is less than 0.05, we would reject the null hypothesis and conclude that there is sufficient evidence to substantiate the publisher's claim that more than 51% of their readers own a personal computer. If the p-value is greater than or equal to 0.05, we would fail to reject the null hypothesis and conclude that there is not sufficient evidence to substantiate the publisher's claim.
Step-by-step explanation:
in july 2008, the u.s. population was approximately 302,000,000. approximately how many americans were there in july 2009 if the estimated 2008 growth rate was 0.88%?
Approximately 304,657,600 Americans were there in July 2009 based on the estimated 2008 growth rate of 0.88%.
To find the approximate US population in July 2009, we need to apply the growth rate of 0.88% to the initial population in July 2008.
Convert the growth rate from percentage to decimal:
0.88% = 0.0088
Calculate the number of people added to the population in 2008: 302,000,000 * 0.0088 = 2,657,600
Add this number to the initial population to find the population in July 2009:
302,000,000 + 2,657,600 = 304,657,600.
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