HELP ME PLEASE !!!!!!

HELP ME PLEASE !!!!!!

Answers

Answer 1

5. The value of x = 15

6. The converse that must be used is: C. Same-side exterior ∠s converse.

7. The proof is completed in the explanation part.

8. Slope of AB = 7/4; Slope of CD = -4/7, they are perpendicular.

What is the Same-Side Exterior Angles Theorem?

The same-side exterior angles theorem states that same-side exterior angles that are on the same side of a transversal are supplementary to each other. Its converse states that if same-side interior angles are supplementary, then the lines they lie on are parallel to each other.

5. 10x - 22 + 3x + 7 = 180 [same-side exterior angles theorem]

13x - 15 = 180

13x = 180 + 15

13x = 195

x = 15

6. The converse that must be used to show that lines y and x are parallel to each other is: C. Same-side exterior angles converse.

7.

Statements                                      Reasons                                            

1. ∠6 ≅ ∠8                                       1. Given

2. y║z                                              2. Corresponding ∠s converse

3. ∠2 and ∠3 are supplementary  3. Same Side Interior ∠s

8. Given:

A(-3, 8)

B(1, 15)

C(10, -9)

D(3, -5)

Slope = change in y / change in x

Slope of AB = (8 - 15)/(-3 - 1) = -7/-4 = 7/4

Slope of CD = (-9 -(-5))/(10 - 3) = -4/7

-4/7 is the negative reciprocal of 7/4. Perpendicular lines have slope that are negative reciprocals of each other.

Therefore, CD and AB are perpendicular.

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Related Questions

3.
Find the area of sector AOB. Round to the nearest tenth.
2
1.
A
18 cm
0
70°
4 ft

What is the answer for all three of those help
40%
1 mm
A
B
Area
Area =
C
Area =
mm²

Answers

nsusyejwosjsjsissjw nice

2-b/3= -5/2 if you guys can help me thank you very much.

Answers

Answer:

b = 13.5

Step-by-step explanation:

2-b/3 = -5.2Multiply both sides of the equation by 6, the least common multiple of 3,212 - 2b = -15Subtract 12 from both sides-2b = -15 - 12Subtract 12 from -15 to get -27-2b = -27Divide both sides by -2b = -27/-2You can simplify -27/-2 by dropping off the negative sings making it b = 27/2Divide 27/2 to get 13.5 Or you can just simplify 27/2 to 13 1/2

There are different ways you can solve this equation. Let me know if you'd like to know a different way.

Have a Good Rest of Your Day.

Please help me, I am very confused, I have no idea what to do.

Answers

-1 4/5 The addition sign in this problem is basically telling you to add the 2 negatives together if it was a negative sign you would change the sign of the second number

a = 5.2 cm and B = 67°.
Work out the area of the triangle. Round
your answer to 1 DP.

Answers

The area of the triangle for the given parameter is 12.4 squared cm.

How to calculate the area of the triangle?

In mathematics, the area of the triangle is classified into three forms isosceles, scalene and equilateral. Depending upon the sides of the triangle, it is classified. That means, when the two sides are equal then the triangle is isosceles triangle.

According to the question, the given parameters for the calculation of the area of the triangle is as written below:

Side of the triangle(a) = 5.2 cm. Angle of a triangle(B) = 67°.

Using standard formula for the area of the triangle, we get:

Area of the triangle = (1/2)(5.2)(5.2)sin(67°) = 12.4384 = 12.4 squared cm.

Hence, the area of the triangle for the given parameter is 12.4 squared cm.

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Area of a triangle with a vertical height of 1/2 m and base of 1/4 m.

Answers

Answer:

1/16 squared meters

Step-by-step explanation:

The formula to find the area of a triangle is  [tex]\frac{Base * Height}{2}[/tex]

We can form an equation if we substitute the values (base and height).

[tex]\frac{1/2*1/4}{2}[/tex]

1/2 * 1/4 = 1/8

and [tex]\frac{1/8}{2}[/tex] = 1/16

Therefore, the area of a triangle with a vertical height of 1/2 m and a base of 1/4 m is 1/16 meters squared.

Answer the following. If needed, round your answers to two decimal places.
Roza and Rina are in the same maths class. On their unit test, Roza scored 70 out of 75
marks and Rina got a 92%.
Express Roza's mark as a simplified fraction.
Express Rina's mark as a simplified fraction.
By what percentage is Roza's mark higher?
%

Answers

Answer:

1) 14/15

2)23/25

3) 1.33%

Step-by-step explanation:

What is the total number of Goals Scored in all 10 games combined? *
Number of goals
0
1
2
3
Your answer
Frequency
3
4
2
1

Answers

Based on the information given, the total number of Goals Scored in all 10 games combined is 11 goals.

How to illustrate the information?

It should be noted that in Mathematics, frequency simply has to do with the number of occurence that an event has based on the data or the information that's illustrated.

Based on the information given, it should be noted that the number of goals as well as the frequency are given. This will be illustrated we:

Total number of goals will be:

= (0 × 3) + (1 × 4) + (2 × 2) + (3 × 1)

= 0 + 4 + 4 + 3

= 11 goals

Therefore, 11 goals are scored.

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-12/x = 24/8 what does x equal

Answers

Simply 24/8 to 3.

-12/x = 3
Since x is the number being divided, we take the divisor and divide it by the quotient.

x = -12/3 = -4.

-4 , it’s the opposite of 8 then put a negative

If a construction crew paved 9680
yards of road, how many miles of road
did they pave? (1760 yards = 1 mile)

Answers

Answer: m = 5.5

Step-by-step explanation:

9680 / 1760 = m

m = 5.5

-0.6 as a fraction in simplest form

Answers

By dividing and multiplyinh the decimal by 10, we will see that:

-0.6 = -6/10

How to write the decimal as a fraction?

Here we have the following decimal: -0.6

And we want to write it as a fraction.

To do so, we just need to multiply it and divide it by 10 as many times as digits we have after the decimal point. In this case we have only one digit after the decimal point, so we multiply and divide by 10 only once.

-0.6 = -0.6*(10/10) = (-0.6*10)/10 = -6/10

That is the fraction form of the given decimal.

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what is 1+1x3/2+10x3450/2+300-500 I don't know what is it

Answers

Answer:

17052 1/2

You're Welcome

alex has a circular rug the radius of the rug is 5 1/4 feet which is closest to the area of the rug use 22/7

Answers

The area when Alex has a circular rug the radius of the rug is 5 1/4 feet is 86.625 feet².

How to calculate the area?

It should be noted that the area of a circle is given the formula:

Area of a circle = πr²

where π = 22/7

r = radius = 5 1/4

Therefore, the area will be:

Area = πr²

Area = 22/7 × (5 1/4)²

Area = 22/7 × 25 1/16

Area = 86.625 feet²

The area is 86.625 feet².

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Exercises
Write an algebraic expression for each verbal expression.
Four times a number?

Answers

The mathematical expression is as follows.

1) 4(v +3)

2) 15v -7

What is algebraic expression?

An algebraic expression is one that has been constructed using integer constants, variables, and algebraic operations. A good example of an algebraic expression is 3x 2 2xy + c.

Given Data

Suppose the number is v

1) To obtain: four times the product of v and 3.

Accordingly, we must first add v and 3, and then multiply the result by 4.

The mathematical expression is as follows.

= 4(v+3)

2) Assume that v is the given integer.

What we're aiming for is: 7 less than 15 times v.

This calls for multiplying the v by 15 and then taking 7 out of the result.

The expression in algebra would be as follows:

= 15v - 7

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Pls help me and show steps too, I’m so lost. I’m giving a lot of points

Answers

Answer:

x=16

Step-by-step explanation:

I apologize I have not done geo in a while so I am not sure what the theorem is, but there is a theorem that states that when a transversal intersects with two parallel lines, two angles that are facing the same direction are the same angle. (the two white angles that i have marked are equal)

next, two lines that intersect each other will have the same angle measurements on opposite sides (the green marked angles are equal)

so that means 3x - 8 = x + 24

and when you simplify that, you get 2x = 32 ---> x = 16

Graph the function identify the vertex and axis of symmetry f(x)=x^2+4x-2
A. axis of symmetry:x=2
(2,6)
B. axis of symmetry: x= -2
(-2,6)
C. axis of symmetry: x= 2
(2,-6)
D. axis of symmetry: x=-2
Vertex: (-2,-6)

Answers

The vertex and the axis of symmetry are (-2, -6) and x = -2, respectively

How to determine the vertex and the axis of symmetry?

The equation of the function is given as

f(x) = x^2 + 4x - 2

The above equation is a quadratic equation

Next, we plot the equation on a graph (see attachment)

The vertex of the graph is the minimum or the maximum of the graph

In this case, we have

Minimum= (-2, -6)

This means that

Vertex = (-2, -6)

The axis of symmetry is the x-coordinates of the vertex

So, we have

x = -2

Hence, the vertex is (-2, -6) and the axis of symmetry is x = -2

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Which number sentence is true? OA. 2 3/4 >2.68 2² OB. 7.895 x 10² > 5.43 x 10³ OC. √63>811 OD. 1-151> 13.21​

Answers

All the expressions like (a), (b) and (c) are true sentences in the form of inequality.

What is inequality expression?

The inequality expression in a sentence consist of two algebraic expression with the inequality symbols. And the solution of an inequality is a number which when substituted for the variable to makes the inequality as a true statement.

According to the question, the given inequality expressions in the form of the sentence is as follows:

(a) 2(3/4) > 2.68;

(b) 7.895 x 10² > 5.43 x 10³;

(c) √63 > 8.11;

(d) |-1.5| > |3.2|

In this, all the expressions like (a), (b) and (c) are true sentences in the form of inequality.

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50 POINTS__ Solve for z and graph the solution.

–7 ≥ z–10 ≥ –14

Plot the endpoints. Select an endpoint to change it from closed to open. Select the middle of a segment, ray, or line to delete it.

Answers

Answer:

Step-by-step explanation:

-7≥7-10≥-14

Separate the compound inequality into two inequalities

7-10<-7
7-10>-14

Solve the inequality for z

7≤3
7-10>-14

Z<3
7>-4

Solution
Z [-4,3]

Alternative Form

{zI-4≤z≤3}

I need help with this

Answers

Answer:

convert 10 hours 30 minutes to hours= 10.5

683/10.5

=65.04km/h

-2x + 3y = -6 and -3x - 2y = 11

Answers

Step-by-step explanation:

-2x + 3y = -6

-3x - 2y = 11

-5x + y = 5

y = 5 + 5

y = 10

-2x + 3(10) = -6

-2x + 30 = -6

-2x = -6 - 30

-2x = -36

x = -18

i have no idea

a researcher is interested in the travel time of utrecht university students to college. a group of 50 students is interviewed. their mean travel time in 16.7 minutes. for this study the mean of 16.7 minutes is an example of a:

Answers

For this study, the mean of 16.7 minutes is an example of a (B) Statistic.

What do we mean by Statistic?As opposed to methods for gathering statistical data, mathematical statistics is the application of probability theory, a subfield of mathematics, to statistics. Mathematical analysis, linear algebra, stochastic analysis, differential equations, and measure theory are some of the specific mathematical methods used in this. Due to the abstract concepts and ideas that you will encounter later in your study, statistics stands out as the more challenging area of math. When you actually try to understand what's happening in a statistics equation or problem, you'll discover that the concepts are very challenging.

So, the appropriate choice is an option (B).

In this case, a researcher is interested in how long it takes Utrecht University students to get to class. For this study, a sample of 50 students was gathered, and the sample mean for travel time was found to be 16.7 minutes.Since the sample means is a sample statistic, option (B) is the right choice.

Therefore, for this study, the mean of 16.7 minutes is an example of a (B) Statistic.

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The correct question is given below:
A researcher is interested in the travel time of Utrecht University students to college. A group of 50 students is interviewed. Their mean travel time in 16.7 minutes. For this study, the mean of 16.7 minutes is an example of a(n)

A. Parameter

B. Statistic

C. Population

D. Sample.

an elevator can carry 15 adults or 20 children at one time. During the course of a day, the elevator carries a full passenger load 52 times. if all the passengers were children, how many more people would the elevator carry then if all the passengers were adults

Answers

Answer:

Step-by-step explanation:

20(kids per ride) x 52(number of rides) = 1040. 15(adults per ride) x 52(number of rides) = 780. 1040-780= 260 more kids than adults.

f(x) = 3 x + 1 and g (x) = 2x - 3. find g (f(x))

Answers

Answer:

6x -- 1

Step-by-step explanation:

To Solve for g(f(x)), bear in mind

f(x) = 3x + 1

g(x) = 2x -- 3

g(f(x)) = 2x -- 3. (Calm down right?)

Let x = f(x).

if you recheck g(x) = 2x -- 3 so we got the (x) from it (do you get?)

g(f(x)) = 2(3x + 1) -- 3

g(f(x)) = 6x + 2 -- 3

g(f(x)) = 6x -- 1

#AllonGod

Answer:

Step-by-step explanation:

To find g(f(x)), first, understand that this means we are going to use the function of f(x) where the x would be in g(x).  

1. First, identify the x in g(x) and replace it with the function of f(x)

g(x)=2x-3; so g(f(x))= 2(3x+1) -3

2. Simplify the equation by distributing the 2 and combining like terms.

2*3x=6x and 2*1=2, so we are left with 6x+2-3. After, just do 2-3 to end up with

g(f(x))=6x-1

please look at the pic

Answers

By using internal angles of the triangles and the definition of supplementary angles, the measure of the angle MNP is equal to 54°.

How to determine a missing angle in a geometric system

Herein we find a geometric system formed by two common semirrays with a common vertex at point N and a line segment MP such that triangle MPN is a right triangle. By Euclidean geometry we know that the sum of the measures in the internal angles equals 180°:

m ∠ NMP + m ∠ MNP + m ∠ MPN = 180°      (1)

And the two angles at point P are supplementary angles:

24 · x + m ∠ MPN = 180°      (2)

Then, by (1):

90° + 9 · x + m ∠ MPN = 180°

m ∠ MPN = 90° - 9 · x

By (1) in (2):

24 · x + 90° - 9 · x = 180°

15 · x = 90°

x = 6

Then, the measure of the angle MPN is equal to:

m ∠ MNP = 9 · x

m ∠ MNP = 9 · 6

m ∠ MNP = 54°

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Solve for x: (1 point) negative 9 over 8, multiplied by x minus 7 equals negative 25

Answers

Answer:

Step-by-step explanation:

The simplest form for 2(x + 3) + 3(2x -3)

Answers

Answer: 8x-3

Step-by-step explanation

2x + 6 + 6x - 9

8x - 3

Answer:

8x - 3

Step-by-step explanation:

2(x+3) + 3(2x-3)

2x+6 + 6x-9

2x+6x + 6-9

= 8x - 3

A cash discount of 8% is allowed on an item which costs £45. How much money is saved if a customer decides to pay in cash?

Answers

If a costumer decides to pay in cash then saved £3.6.

What is mean by Percentage?

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

To Calculate the percent of a number , divide the number by whole number and multiply by 100.

Given that;

A cash discount of 8% is allowed on an item which costs £45.

Now, The amount of Saved money calculated as;

Since, A cash discount of 8% is allowed on an item which costs £45.

Hence,

Saved money = 8% of £45

                      = 8 x 45 / 100

                      = 3.6

Thus, Saved money = 3.6

Therefore, If a costumer decides to pay in cash then saved £3.6.

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(2^3×2^4) simplify and expression 7th grade.

Answers

The simplified expression of (2^3×2^4) is 2^7

How to evaluate the expression?

The expression is given as

(2^3×2^4)

The base of the above expression are the same

i.e. Base = 2

This means that we can apply the law of indices

When the law of indices is applied, we have the following equation:

(2^3×2^4) = 2^(3 + 4)

Evaluate the sum in the above equation

So, we have

(2^3×2^4) = 2^7

Hence, the simplified expression of the expression given as (2^3×2^4) is 2^7

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you make 12 equal payments. you pay a total of $1224. How much is each payment

Answers

1224/12= $102 per payment

7653x213, please help me....

Answers

The answer is 1630089

Answer:

Step-by-step explanation:

1630089 is the answer

A 5oz jar of jam costs $2.50. How much is the unit price per ounce?

Answers

The unit price per ounce of the jar of jam is $0.50

How to determine the unit price per ounce for the jam?

From the question, the given parameters are

Volume = 5 oz

Cost of jam = $2.50

The unit rate of the jam is calculated as

Unit rate = Cost of jam/Volume

Substitute the known values in the above equation

So, we have the following equation

Unit rate = 2.50/5

Evaluate the quotient

So, we have the following equation

Unit rate = 0.5

Hence, the unit price per ounce is $0.50

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I keep getting 0.33... but it says it wrong i need it as a fraction Were Native American culture complex Three times a number decreased by five ikbetween 41 and 58. Enter your answer in interval notation.Interval notation of valid valuesO No interval of valid values Using the figure below, Maggie used the definition of vertical angles to help her solve for x. Since vertical angles are congruent, she set the two given expressions equal to each other. After solving for x, her teacher said she got the wrong value for x. Explain where Maggie made her mistake when solving for x. A stone with a mass of 10kg sits on ground. Gravity acts on the stone at a rate of 9.8m/s2. What is the normal force acting on the stone keeping it at rest NP and QS areparallellines. M N O P Q R S T Which angles are supplementary angles? NOM and NOR NOM and QRO NOM and POR NOM and SRT Submit Since a sample is a subset of the population, the sample mean Incorrect Response is always smaller than the mean of the population. is always larger than the mean of the population. must be equal to the mean of the population. Correct Answer varies around the mean of the population. Explain how geography influenced the early development and later expansion of Rome. What advantages did geography provide? What obstacles did it present? Provide multiple specific examples. 5(3x + 10) can be expanded and fully simplifiedto give an expression of the formax + bx + cx + d.Work out the values of a, b, c and d Read the passage from the Declaration of Independence.We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.Declaration of IndependenceHow does the Declaration of Independence reflect Enlightenment thinking?Enlightenment thinkers believed people had unalienable rights. Enlightenment thinkers felt there were only three rights. Enlightenment thinkers felt God guaranteed rights for all people. Enlightenment thinkers felt happiness was the most important right. Graph the image of the given triangle, reflected across the y-axis. Select the Polygon tool. Then, click the points of the triangle vertices to create the triangle by connecting the sides. amy will be having her first child soon. she insists that she be the first to see and hold her baby after delivery in order to foster bonding. her belief is consistent with which theory? Can someone explain this ??? an increase in the capital stock will most likely cause the an increase in the capital stock will most likely cause the phillips curve to shift out. production possibilities curve to shift in. long-run aggregate supply curve to shift rightward. aggregate demand curve to shift leftward. Make x the subject of m= n + x/p The words below have a similardenotation. Which word has the mostpositive connotation?tough, durable, unbreakableA. unbreakableB. toughC. durable Find the measure of the angle at the center of atom B inside the triangle The Tuskegee Study involved a number of violations that led to the Belmont Reports ethical suggestions. All of the following are true of the Tuskegee Study except:Participants were not treated respectfully.Participants were from a disadvantaged social group.Participants were not treated by actual doctors.Participants were harmed. In Mr. Stowe's math class, Katherine earned an 88 in the 1st quarter and a 94 in the end quarter. What is the percentage of increase? Round to the nearest hundredth. For motion from s=+2cm to 5cm, then to +12cm, calculate the total displacement change.