MATHEMATICS MIDDLE SCHOOL

Find the value of a and b when x = 12
a = 5x

Answers

Answer 1
Answer: a = 60 but b is unsolvable, plz update question it is wrong
Answer 2
Answer: A=60 but since you didn’t tell what b=? We can’t find b

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What is the estimate of 19% of $53

Answers

The exact answer is 10.07 but an estimate would be $10.

Hope this helps :)

What is the difference between alternate interior and alternate exterior?

Answers

1st inside
2nd outside

Help me!!! #29 and #30

Answers

Number 29 is 6.7 cups of vegetable oil and 5 cups of vinegar

How do you solve 2.5x-8=5x+12

Answers

2.5x-8=5x+12
-2.5x -2.5x
--------------------
-8=2.5x+12
-12 -12
--------------------
-20 = 2.5x
------ ------
2.5 2.5
x=-8

17=5k-2 what Is (k) help me please

Answers

17=5k-2
add 2 to both sides
19=5k
divide both sides by 5
3.8=k

Answer=3.8
17=5k-2
add 2 to both sides
19=5k
divide both sides by 5
19/5=k
19/5=3 and 4/5

5.4(m-2)= -2(3m+3) please help asap

Answers

Answer:

m = 0.421

Step-by-step explanation:

5.4(m-2)= -2(3m+3)     (expand parentheses by distributive property)

m(5.4) -2(5.4) = 3m(-2) + 3(-2)

5.4m - 10.8 = -6m - 6      (add 6m to both sides)

5.4m - 10.8 + 6m =  - 6

11.4m - 10.8 =  - 6   (add 10.8 to both sides)

11.4m = -6 + 10.8

11.4m = 4.8   (divide both sides by 11.4)

m = 4.8 / 11.4

m = 0.421

Answer:

m = 8/19

Step-by-step explanation :

5.4  (m-2) = -2 (3m +3)  

54/10 (m-2) = (3m +3)   as n = 1

2.3^3 /  2.5  (m-2) = (3m + 3)

4.868 (m-2) = (3m +3)

4.868 + 3 = (3m^2 * m-2)

8 / 9.5 * 2  

m = 8 / 19

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