Mathematics High School

can someone help me with this question

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Answer 1

Answer:

Step-by-step explanation:

Proof

AB||CD Given

<1 = <2 Given

<2 = <3 Alternate interior angles of Parallel lines

<1 = <3 Substitution for <2 from Given.

AC = AB the sides opposite equal angles are equal

Related Questions

A cashier earns $7 an hour. if x is the number of hours worked, which function represents the cashier’s earnings? y = 7x y = x superscript 7 y = startfraction 7 over x endfraction y = 7

Answers

Answer:

y=7x

Step-by-step explanation:

The job pays $7 per 1 hour so to find out how much money you get for x hours, you would multiply the hourly rate ($7) by the amount of hours (x)

Answer:

y=7x

Step-by-step explanation:

edge review 2022

Suppose we want to assess the effect of a one-day SAT prep class at a 5% level of significance. Scores on the SAT writing exam can range from 200 to 800. A random sample of 50 students takes the SAT writing test before and after a prep class. We test the hypotheses: : : where is the mean of the difference in SAT writing scores (after minus before) for all students who take the SAT prep class. The sample mean is 5 with a standard deviation of 18. Since the sample size is large, we are able to conduct the T-Test. The T-test statistic is approximately 1.96 with a P-value of approximately 0.028. What can we conclude

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The conclusion is that since the value of 0.028 is less than 0.05 so we reject the null hypothesis at 5% level of significance and conclude that the mean of the difference in SAT writing scores for all students who take SAT prep class is equal to 0.

What is a null hypothesis?

A null hypothesis is a hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling error.

Here, the effect of a one-day SAT prep class at a 5% level of significance was assessed. Since the value of 0.028 is less than 0.05 so we reject the null hypothesis at 5% level of significance and conclude that the mean of the difference in SAT writing scores for all students who take SAT prep class is equal to 0.

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If given the equation y = 3(x + 5)2 - 4, what is the vertex of the parabola

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Answer:

The vertex of the parabola is (5, -4).

Hope this helps!

Help me with this please

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Answer:

See below

Step-by-step explanation:

1 IS a constant

9x IS a factor

9x is NOT a coefficient ( '9' is a coefficient)

yes it is a sum of three terms

9x and 1 are NOT 'like' terms

Germaine measured the height of a plant, H, in centimeters (cm) as a function of days, d, since he planted it in
his yard. The following table shows his data.
d 0 2 4 6 8 10 12
H(d) 8.2 9.6 11.0 12.4 13.8 15.2 16.6
What is the rate of change of the function?
O 1.7 cm per day
O 8.4 cm per day
O 1.4 cm per day
O 0.7 cm per day

Answers

The rate of change of the function the height of a plant is gotten as; D: 0.7

How to find the rate of change?

To find the rate of change, we will use the formula;

Rate of change = (y2 - y1)/(x2 - x1)

From the given table, we can solve for the rate of change by picking two consecutive points to get;

Rate of change = (9.6 - 8.2)/(2 - 0)

Rate of change = 1.4/2

Rate of change = 0.7

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I need the answer quickly please

Answers

Answer:

c²=√181=13.45, or 13.5

Step-by-step explanation:

The pythagorean theorem is a²+b²=c²

Given this, we will plug in our numbers like this: 9²+10²=c²

9²+10²=181, but we have to find the square root of that.

c²=√181=13.45, or 13.5

I hope this helps!! :)

Step-by-step explanation:

We have a right triangle which allows us to use the Pythagorean Theorem

On a coordinate plane, a circle has a center at (negative 2, 0). Point (negative 2, 4) lies on the circle.
Distance formula: StartRoot (x 2 minus x 1) squared + (y 2 minus y 1) squared EndRoot

Does the point (1, StartRoot 7 EndRoot) lie on the circle shown?
Explain.

Yes, the distance from (–2, 4) to (1, ) is 4 units.
Yes, the distance from (–2, 0) to (1, StartRoot 7 EndRoot) is 4 units.
No, the distance from (–2, 0) to (1, StartRoot 7 EndRoot) is not 4 units.
No, the distance from (–2, 4) to (1, StartRoot 7 EndRoot) is not 4 units.

Answers

The correct answer to where the point(1, StartRoot 7 EndRoot) lies on the circle is A. Yes, the distance from (–2, 0) to (1, StartRoot 7 EndRoot) is 4 units

What is a Coordinate Plane?

This refers to the tool that is used to graph points on a two-dimensional plane that intersects two number lines.

Hence, given the information in the given diagram, there is a coordinate plane that shows a circle at the center that has certain values on the y and x-axis.

We can state that the point (1, StartRoot 7 EndRoot) lies on the circle shown because the distance from (–2, 0) to (1, StartRoot 7 EndRoot) is 4 units.

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Answer: A on edge

Step-by-step explanation:

because i said so

Need help with this

Answers

n = 66

Step-by-step explanation:

you can make a proportion 3/99 = 2/x

[tex] \frac{3}{99} = \frac{2}{x} [/tex]

99 * 2= 198

3 * x = 3x

so the equation would be 198 = 3x

than do 198 ÷ 3 on ur calculator

so x (or n in this context) would equal 66

Rewrite using exponential notation \root(6)((4\pi )^(3))

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[tex]~\hspace{7em}\textit{rational exponents} \\\\ a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} ~\hspace{10em} a^{-\frac{ n}{ m}} \implies \cfrac{1}{a^{\frac{ n}{ m}}} \implies \cfrac{1}{\sqrt[ m]{a^ n}} \\\\[-0.35em] ~\dotfill\\\\ \sqrt[6]{(4\pi )^3}\implies (4\pi )^{\frac{3}{6}}\implies (4\pi )^{\frac{1}{2}}[/tex]

Find m/1.
130°
1
90°
t

Answers

The measure of the angle m1 is 110 degrees

How to determine the measure of angle m1?

The measures of the arcs are given as:

Arc 1 = 130

Arc 2 = 90

The measure of the angle is calculated using:

Angle = 0.5 * (Arc 1 + Arc 2)

So, we have:

Angle = 0.5 * (130 + 90)

Evaluate

Angle = 110

Hence, the measure of angle m1 is 110 degrees

Answers

Answer:

Sergeant, Tobie, Bandit, Smokey, Sally

Step-by-step explanation:

Answer:

Step-by-step explanation:

In a group of friends were to eat 13 candies, there would be 8 candies left. if each friend were to eat 15 candies, all the candies would be gone. how many friends are there?

Answers

Answer:

Step-by-step explanation:

from 13 to 15 you added two more so you have to do 8 divided by 2 which is 4

In the whole number 70,819, the place value of the digit 1 is

Answers

Answer:

ten

hope this helps....

can someone please answer this fast! thanks

Answers

Answer:

The choice C.

[tex] {x}^{ \frac{5}{2} } [/tex]

Step-by-step explanation:

[tex] \frac{ {x}^{3} }{ \sqrt{x} } = \frac{ {x}^{3} }{ {x}^{ \frac{1}{2} } } = {x}^{3} \times {x}^{ - \frac{1}{2} } \\ = {x}^{3 \times - \frac{1}{2} } = {x}^{ \frac{5}{2} } [/tex]

Or ;

[tex] \frac{ {x}^{3} }{ \sqrt{x} } = {x}^{2} \sqrt{x} = {x}^{2} \times {x}^{ \frac{1}{2} } \\ = {x}^{2 + \frac{1}{2} } = {x}^{ \frac{5}{2} } [/tex]

If tan theta = -3/4 and theta is in Quadrant IV, cos2theta =, and tan2theta =

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Step-by-step explanation:

please mark me as brainlest

A membership at a yoga studio costs $35 per month.
Write an equation for the cost of the membership,that you pay if you keep your membership for months.

Answers

Answer:

35×(m)=c

Step-by-step explanation:

m=months

c=cost

Which line is being represented by the graph?
A
y = 3/4 X -3
B
y = 3/4x + 4
C
y = -3/4x + 4
D
y = -3/4 x - 3

Answers

Answer:

The answer is C, y= -3/4 + 4

Find the midpoint of the line segment. Please hurry 15 points!

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Answer: Hope this helps you

0,0

Sherri solved the equatjon 1/5(x-20)=45. For each step, write the name of the property sherri used

Answers

Answer: The awnser is linear.

I hope this helped.

Step-by-step explanation:

help please dont know how to do this

Answers

The answer is 2.00 dollars left

The point (-2,-3) is rotated 180 degrees counterclockwise about the origin. What is the y-coordinate of the resulting image

Answers

The rotated point is (2, 3) so the y-coordinate is 3

The direction of rotation is not relevant as going clockwise results in the same location.

What was his mistake?

Answers

Circle the first line.

His mistake was: He substituted y from 2nd equation in 1st equation incorrectly. There is a minus sign before y and it wasn't taken into the account.

The correct steps are:

2x - y = 18

2x - (4x + 2) = 18

2x - 4x - 2 = 18

-2x - 2 = 18

-2x = 20

x = -10

y = 4x + 2

y = 4(-10) + 2

y = -40 + 2

y = -38

What is the solution to this system of equations?

Answers

Answer:

Step-by-step explanation:

C. x=7, y=5

How many units is -14 away from 0

Answers

Answer:

Step-by-step explanation:

|-14|=14

Solve the inequality.

−13x+10>17
Which inequality represents the solutions to this inequality?
a) x<7x<7

b) x>−21x>−21

c) x<−21x<−21

d) x>7x>7

Answers

The solution to inequality is less than the negative of 21. Then the correct option is C.

What is inequality?

Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.

The inequality is given below.

−(1/3)x + 10 > 17

Then the solution to the inequality will be

−(1/3)x + 10 > 17

−(1/3)x > 17− 10

−(1/3)x > 7

When the sign is changed then the equality sign also changed.

(1/3)x < −7

x < − 21

The value of x is less than the negative of 21.

Thus, the correct option is C.

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is this true or false? please help

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Answer:

true jufhjjzjsjjajajw

how do you distribute this
(x+5)(x-5)

Answers

see the attachment photo.

Answer:

2x-5

Step-by-step explanation:

Thats the answer

You move left 5 units. You end at (-1, 5). Where did you start?

Answers

Answer:

(4,5)

Step-by-step explanation:

Hello!

If you move 5 units to the left, you change the x-value in (x, y) by -5.

Let the original x-value be x:

x - 5 = -1x = 4

The original x-value is 4. Since you didn't change the y-value (up/down), you can keep the same y-value for the coordinate.

The original point was at (4,5)

Answer:

You started at (4, 5)

Step-by-step explanation:

The first number of coordinate pair is x. you started at the right and THEN moved the the left, as stated in the question. So -1 + 5 is 4.
So you started at (4, 5)

if f(x) = 4x²-2 then f(-3) is

Answers

Step-by-step explanation:

We are going to plug -3 into the equation of f(x) = 4x²-2.

f(-3) = 4(-3)²-2

f(-3)=36-2

f(-3)=34

The answer to this question is 34.

I hope this helps!! :)

Simplify the expression (10 + 3i)(10 - 3i).

Answers

Answer:

109

Step-by-step explanation:

[tex]\textbf{Assuming}~ i ~\textbf{as the imaginary unit, where}~ i = \sqrt{-1}~ \textbf{and}~ i^2 = -1\\\\\textbf{Given that,}\\\\~~~(10+3i)(10-3i)\\\\=10^2 -(3i)^2~~~~~~~~~~;\textbf{Difference of two squares} ~a^2 -b^2 = (a+b)(a-b)\\\\=100-9i^2\\\\=100-9(-1)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~;{i^2 = -1}\\\\=100+9\\\\=109[/tex]

[tex](a-b)(a+b)=a^2-b^2[/tex]

Therefore

[tex](10 + 3i)(10 - 3i)=100-9i^2[/tex]

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Leslie set up a fruit stand to sell some of her crop of oranges. The first person who came by bought 1/3 of her oranges. The second person bought 4 oranges. The thrid person bought 1/4 of the REMAINING oranges. Leslie took the last 15 oranges home to make orange juice. How many oranges did Leslie have at the beginning? Read the following excerpt from Leslie Marmon Silkos story "The Man to Send Rain Clouds."They turned off the highway onto the sandy pueblo road. Not long after they passed the store and post office they saw Father Paul's car coming toward them. When he recognized their faces he slowed his car and waved for them to stop. The young priest rolled down the car window."Did you find old Teofilo?" he asked loudly.Leon stopped the truck. "Good morning, Father. We were just out to the sheep camp. Everything is O.K. now.""Thank God for that. Teofilo is a very old man. You really shouldn't allow him to stay at the sheep camp alone.""No, he won't do that any more now."What does this dialogue reveal about the priests standing within the community? Which sentence in the passage is an example of a real-world situation that could restrict Marthas decisions?Martha is in her late teens. She lost her father in the war several years ago. Just like her father, Martha wants to join the military and serve her country. However, Martha has several obstacles in her path. Marthas mother is overly protective of her daughter and has always tried to keep her safe. Also, Martha is still tormented by the memories of the war and her fathers absence. To make matters worse, Martha might not qualify for the military because of her petite and fragile frame. A fuel company can sell 8 units of product at a selling price of $450. however, at a selling price of $445 the company can sell 9 units. what is the marginal revenue that is derived from selling the ninth unit A(n) _________ in current liabilities _________ net working capital, thereby _________ the risk of technical insolvency. (a) decrease; increases; increasing (b) increase; decreases; increasing (c) increase; increases; reducing (d) decrease; decreases; reducing What did henry ford mean when he said, "i am looking for a lot of men who have an infinite capacity to not know what can't be done"? If Roosevelts judicial reform had been passed, how would new judges have been appointed? Why is it not possible to achieve a higher resolution in the light microscope?. How many grams of glucose would be found in 1l of a 22% solution? Read the following headings from "Sweet Nothings."Getting the MessageIn Favor of FakesA Sour Note?Questions of TasteWhat device is NOT used in the headings?AlliterationChunkingSimileRhetorical question Translate (10,8) down 5 In the Galapagos Island finches, the variation in the beak shape correspond to which finch characteristic? PLEASE HELLPPPP Ms. Rudolph randomly selects one student from a group of students.are wearing a black shirt, 6 students are wearing a red shirt, and 9 students arewearing a blue shirt.Show your work to determine the PROBABILITY that the selected student iswearing a BLACK shirt?You may write your answer as a FRACTION or DECIMAL. how to solve the time value of money problems To what extent did Canadian identity experience change or continuity in the Immigration Act 1976? Write an essay of 500 words in which you compare and contrast leadership in any TWO (2) African states/countries. Your essay should include THREE (3) comparative and THREE (3) contrasting points. In a separate paragraph, present a balanced view on an appropriate leadership style Are 100 10 and 5 1 equivalent rates ? Pls answer quick Match each principle of American government to the appropriate descripticall individuals are entitledto life, liberty, and property1. Limited governmentcitizens must release theirpower to government2. Natural rights3. Consent of the governedrestrictions are necessaryto prevent abuse of power 6. Suppose you decide to make and sell silk flower arrangements. You spend $220.00 on materials. You sell each flower arrangement for $10.50 each. How much profit would you make if you sold 23 silk flower arrangements? write the following In Words 689104

can someone help me with this question ​

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can someone help me with this question