MATHEMATICS MIDDLE SCHOOL

Solve (work please)

-2a + 1.6 = 5.6

Answers

Answer 1
Answer: -1.6 to both sides

-2a=4

Divide both sides by -2

a= -2
Answer 2
Answer: Hope this helps the answer is a=-2 I got it right in the quiz

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What is 288 percent of 125

Answers

The percentage of 125 is 360

Can someone please help? A cylinder has a radius of 10 cm and a height of 8 cm.What is the volume of the cylinder?

A.
160 pi cm^3

B.
480 pi cm^3

C.
640 pi cm^3

D.
800 pi cm^3

Answers

The answer is D because it is radius multiplied by radius then multiplied by height, which is 10. 
The answer is D because 10 x 8 = 80 but multiply it by 10 again and you get 800

Write 7/8 as the sum of unit fractions.

Answers

7/8 as the sum of unit fractions is  1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8.

What is a fraction?

A fraction is written in the form of p/q, where q ≠ 0.

Fractions are of two types they are proper fractions in which the numerator is smaller than the denominator and improper fractions where the numerator is greater than the denominator.

Given, A fraction 7/8.

We know a unit fraction has 1 in its numerator.

Therefore, The fraction 7/8 as the sum of the unit fraction is,

= 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8.

learn more about fractions here :

brainly.com/question/10354322

#SPJ2
I think I can help:

7/8 = 3/8+4/8

7/8 = 2/8+5/8

7/8 = 1/8+6/8

Hope I helped! (Pick me as brainliest!)

How does 4/15=14/n? What does n equal?

Answers

4/15 = 14/n

4 * n = 14 * 15

4n = 210 / : 4

n = 52,5

(4)/(15)=(14)/(n)=>4n=14*15=>4n=210=>n=210:4=>n=52,5

Solve the equation below for x
9(x - 5) = 4x - 5

Answers

9(x-5)=4x-5\n\n9\cdot x+9\cdot(-5)=4x-5\n\n9x-45=4x-5\ \ \ \ /+45\n\n9x-45+45=4x-5+45\n\n9x=4x+40\ \ \ \ /-4x\n\n9x-4x=4x-4x+40\n\n5x=40\ \ \ \ /:5\n\n5x:5=40:5\n\nx=8

last month Stephanie spent $57 on 4 allergy shots and 1 office visit .This month she spent $9 after 1 office visit and a refund for 2 allergy shots from her insurance company . How much does an office visit cost an allergy shot?

Answers

Visit $25 allergy shot $8

4a + 1v =57

-2a +1v= 9

I will multiply the second by -1 to cancel v variable (elimination method)

4a +1v =57

2a -1v = - 9

add both

6a. = 48

a= 8

4a= 32

32 + v = 57

v= 25

32+25 = 57

-16 +25=9
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