Mathematics Middle School

Use the converse of the Pythagorean theorem to decide whether ΔABC is a right triangle by answering the questions.

1. Use the Pythagorean theorem to find AD. Show your work.

2. Find AC. Show your work.

3. Is ΔABC a right triangle? Explain.

Use The Converse Of The Pythagorean Theorem To Decide Whether ABC Is A Right Triangle By Answering The

Answers

Answer 1

Answer:

1. Use the Pythagorean theorem to find AD. Show your work.

AD=9

Side BD=12, and side AB=15. We know that side AB is the hypotenuse, so AD^2+144=225

225-144=81, so side AD=9

2. Find AC. Show your work.

AC=25

To find AC, we can add AD and DC

9+16=25

3. Is ΔABC a right triangle? Explain.

ABC is a right triangle because AB^2+BC^2=AC^2

Step-by-step explanation:

Answer 2

Answer:

1. AD=9

2.AC=25

3.ABC is a right triangle because AB^2+BC^2=AC^2

Step-by-step explanation:

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During the holiday sale, the store discounted all items 1/3. What is the discount on a $19.95 item? plz help me

Answers

Answer:

Discount Final Price Each

1/3 off $ 19.95. $ 13.30

Step-by-step explanation:

I think its 13.30

Answer: $13.30

Step-by-step explanation: If you multiply 19.95 by 1/3 you will get the answer 6.65, that is the amount that is taken off. So next, you can just subtract 6.65 from 19.95.

19.95-6.65=13.30

So that is the answer, with the discount the item is now $13.30

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Answer:

It’s A you are correct kid

Step-by-step explanation:

If 640 acres is a square mile, and a mile is 1600 meters, how many square meters is an acre?

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130 is the answer because if you work it out that is ur answers ur welcome

Write an algebraic expression for the following: An electrician charges a $50 house call fee and $65 per hour for the work. *
5n - 4
2 + 50h
50 + 65t
65 - 50y

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The answer is y=65x+50
C. 65t + 50. Hope that helps :)

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Answers

Answer: 13/12

Step-by-step explanation:

Common denominator:12

9/12 plus 4/12 equals 13/12 equals 1 1/12

Answer: 9/12 plus 4/12 = 13/12 or 1 1/12

Step-by-step explanation:

Please help I need help with my homework

Answers

Answer:

The measure of the first angle is 32° and the measure of the second angle is 49°. (h = 32° & c = 49°)

Step-by-step explanation:

For the first triangle, we know that when you add up all the angles in a triangle, you'll end up with 180°. Keeping that in mind, all you have to do to find the third angle is add up the two we already know and subtract it from 180°.

1. 58° + 90° = 148°  -->  I know that the second angle is 90° because it's a right

180° - 148° = 32°           triangle.

2. 82° + 49° = 131°

180° - 131° = 49°

Hope this helps,

Hedgehog68

Angle H is 32, Angle C is 49

A triangle equals to 180 degrees in total, the first triangle gave me 58 and 90 as starting angles so I subtracted those 2 from 180 and got 32
The second triangle gave me 82 and 49 so I subtracted those 2 from 180 and got 49

Solve each system by elimination
8/11y+3/11=-x
-21=56y+77x

Answers

Answer:

Find the least common denominator (LCD) by factoring each denominator multiple ... -77x+11_- Tx 5.6X-5 – 2x-3_24x 6. ... 11y-3 = 14 - 2x ... 2x=-16. 1. x+y=-1 x 3-8. Solve each system of linear equations by substitution. ... elimination method.

Step-by-step explanation:

The answer is y=-11x-3/8

Please help!!!
"Michelle had a piece of lumber which measured 51 inches long. She cut it into 5 three-inch pieces, and the rest into two-inch pieces. Which equation can be used to describe the number of two-inch pieces (a) Michelle had when she finished cutting the piece of lumber?"

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Answer:

(51 - 3 x 5)/2

What fraction is greater than -2/3 and less than -1/2

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-2/3= -0.666 (repeating)-1/2= -0.5
Answer is 8 I searched it up

The area of a triangle is 18 square feet. If the base is 3 feet, what is the height of the triangle?

3 feet
9 feet
6 feet
12 feet

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Step-by-step explanation:

12 feet is true.......

Answer:

12 feet

Step-by-step explanation:

Help! Algebra! Will give Brainiest!

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Answer: d

Step-by-step explanation:

Answer:

It is D

Step-by-step explanation:

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Answer:

3.71293

Step-by-step explanation:

3.71293. Anajzhhzbshdhxhdhdhdhdhdhdhdhdh

Plsssssssss Help!!!!
Sabrina is going to rent a bicycle while on vacation. There are two rental companies she can choose from. The first company charges $10 plus a rate of $2 per hour until the bicycle is returned. The second companies rental charges can be represented by the equation c=3h+6, where c represents the rental cost and h represents the number of hours the bicycle is rented.

Answers

Answer:

16!

Step-by-step explanation:

10 for a day, 2 per hour x3 bc she had it for 3 hours so 16

The least rental charge will be $15 from second company.

What is Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

The first company charges $10 plus a rate of $2 per hour until the bicycle is returned.

and, The second companies rental charges can be represented by the equation c=3h+6

For first company if bicycle is rented for 3 hours.

= 10 + 2x3

= $16

and, For the second Company

c= 3(3)+ 6 = 9 +6 = $15

Hence, the least rental charge will be $15 from second company.

Learn more about equation here:

https://brainly.com/question/10413253

#SPJ6

Write the fraction as a percent. $\frac{3}{250}$ = % i will mark it the brianest

Answers

3/250
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i was about to say it but he beat me to it but he is correct

HELPP MEE THIS MY THIRD TIME ASKING THIS QUESTION: What is the unit rate of the Rosk Construction

Answers

Answer:

what do you want me to figure out???

Find the product.
-8x5y2 · 6x2y

A-8x10y2
B-8x7y3
C-48x7y3
D-48x10y2

Answers

Answer:

D

Step-by-step explanation:

Answer:

C-48x7y3

Step-by-step explanation:

8x5.6x.y².y

48x7y³

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7p-(-5)+(-1)

Answers

Answer:

Remove parentheses.

7p+5-1

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7p+(5-1)

Simplify.

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

75 multiplied by 4 is 300

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300

Step-by-step explanation:

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36 and 6. 2.

Step-by-step explanation:

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Answer:

B. Negative

⁄(⁄ ⁄•⁄ω⁄•⁄ ⁄)⁄

Answer:

[tex]negative[/tex]

Step-by-step explanation:

.................

What is the COEFFICIENT in this expression: 45 - 2y *

Answers

Answer:

2

Step-by-step explanation:

In this expression,

-45 is the constant.

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- y is the variable.

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Step-by-step explanation:

M1ZLSm9lRFozZmR1M0N1QXEwd2pidz09

Use the Distributive Property to simplify the expression: 4(5+2)= *

Answers

Answer:

28

Step-by-step explanation:

4x5=20

4x2=8

20+28=28

Answer:

28

Step-by-step explanation:

4(5+2) = 4(5) + 4(2) = 20 + 8 = 28

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