MATHEMATICS MIDDLE SCHOOL

(1 pt) What is the measure of ∠Z? A. 57° B. 65° C. 94° D. 115°

Answers

Answer 1
Answer: hi it is 57  is a becase use a protractor
Answer 2
Answer:

Answer:

Hello!

Your answer would be (A) 57°.

Step-by-step explanation: Hope this helped you!!

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A coat regularly sells for $59.00. It is on sale for 20% off. What is the sale price of the coat?

Answers

Original price : $59.00 ( 100 % )
100 % - 20 % = 80%.

100 % - $59.00
1 % - $59.00 / 100 = $0.59
80 % - $0.59 x 80 = $47.20

Hence, the sale price of the coat is $47.20.

Hope this helps you! :)
59*.2=11.80
59-11.80=$47.2
Answer= $47.20

10) (a) Translate the question below into an equation.What percent of $4200.00 is $115.50?



(b) Solve the equation that you found for Part (a), showing all work.

Answers

Part a) What percent of $4200.00 is $115.50?

Let us assume x % is $4200.00 is $115.50.

% represents out of (over 100).

So, x% could be written in fractions as x/100.

Therefore, we can setup an equation as

(x)/(100)=(115.50)/(4200.00)

This is the answer for first part.

Part B) We have x/100 = 115.50/4200.00 in part a.

Dividing 115.50 by 4200.00 on right side, we get

x/100 = 0.0275.

We have 100 in denominator of x.

In order to get rid number from denominator, we always multiply both sides by the number in denominator.

So, multiplying both sides by 100, we get

100* x/100 = 100* 0.0275.

We remain just x on left side.

On multiplying 0.0275 decimal number by 100, the decimal will move two digits right.

So, we get x= 2.75.

Therefore, $115.50 is  2.75% of $4200.00.

~please only answer if you know for sure~
-Thank you-

Answers

JK is similar to PQ
KL is similar to QR

Make a proportion

\sf{ (JK)/(PQ) = (KL)/(QR) }

Plug in the numbers

\sf{ (36)/(6) = (24)/(QR) }

Cross multiply

\sf{36* QR= 6 * 24}

Solve for QR

\sf{ QR=4}

So your final answer is 

\boxed{\bf{4~centimeters}}
I pretty sure it would be 4 centimeters.

Because side JK (I find that really funny) is 36 centimeters, while side PQ is 6 centimeters. I multiplied that by 6, to get 36 and divided 24 by 6 which is 4 centimeters. Hope this helped!

Which 3 Comparisons are correctA 0.4 meter > 0.04
B 0.04 Meter >0.3
C 0.3 Meter < 0.3
D 0.5 Meter > 0.65
E 0.65 Meter >0.61
F 0.65 Meter <0.04

Answers

A and E are the only ones I see which are correct, did you perhaps type it in incorrectly? I hope this helps, have a nice day! =)

Phil has 7 quarts of hot chocolate to give to his classmates how many of those classmates can have one cup of hot chocolate

Answers

4 quarts per cup, so 7*4= 28 of his classmates can have one cup.

(3x²-7x+2)+(2x²+7x-1)

Answers

3x^2+−7x+2+2x^2+7x+−1
Combine like terms:
3x^2+−7x+2+2x^2+7x+−1
(3x^2+2x^2)+(−7x+7x)+(2+−1)
Answer:
5x^2+1 
(3x^2 - 7x + 2)+(2x^2+7x - 1)=\n\n3x^2 - 7x + 2 +2x^2 + 7x - 1=\n\n3x^2+2x^2-7x+7x+2-1=\n\n\boxed{\bf{5x^2+1}}
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