What you are trying to do is isolate the variable x. For you to do that you have to first simplify the left side of the equation and then you solve for x.

5 0

3 years ago

7th grade math! Please help!

Luden [163]

15) k=15

16) t=7

17) c=12

18) d=7

19) d=3

20) r=5

21) x=4

pls mark me branliest !!

6 0

3 years ago

How to calculate Divide 81 ft in the ratio 5 : 4.

Alex_Xolod [135]

Answer:

45:36 is the answer.

Step-by-step explanation:

Divide 81 by sum of ratio.

81/(5+4)=81/9=9

So,

5×9 : 4×9

45 : 36

Check: 45+36=91

4 0

3 years ago

What ratio form a poportion with 4/15

Sonja [21]

Answer:

4:15 is the ratio formed by the proportion.

6 0

3 years ago