Question

Which of the following is equivalent to the proportion 2/3=3/y?


A.

3y = (2)(3)





B.

2y = (2)(3)





C.

2y = (3)(3)





D.

3y = (3)(3)

Answer 1

@jim_thompson5910 i stuck

Answer 2

Hint: You can cross multiply here.

Answer 3

when you cross multiply 2/3=3/y what do you get?

Answer 4

no solution

Answer 5

a/b = c/d

cross multiplies to

a*d = b*c

Answer 6

y =9/2

Answer 7

dont' completely solve for y though

Answer 8

just do this first step of cross multiplication

Answer 9

2y=9

Answer 10

better, but that 9 can be written as what

Answer 11

9x

Answer 12

9 = 9*1

9 = something * something

what goes in the place of "something" ?

Answer 13

2y= (3)(3)

Answer 14

you got it

Answer 15

Which of the following is equivalent to the proportion
3/4=x/12

Answer 16

I'm assuming there are choices

post them please and tell me which one you got

Answer 17

A. 4/3= 12/x
B. 3/4= 12/x
C. 4/3= x/12
D. 4/12= x/3

Answer 18

which one did you get

Answer 19

hint:

if

a/b = c/d

then you can flip both sides to get the equivalent equation

b/a = d/c

Answer 20

A right?

Answer 21

good, you got it

Answer 22

What is the first step that you have to do in order to solve the proportion: 1/3=y/26



A.

8.5





B.

26y = 3





C.

y = 3(26)





D.

3(y) = 1(26)

I got B!:)

Answer 23

B is incorrect

Answer 24

a/b = c/d

cross multiplies to

a*d = b*c

Answer 25

1/3=y/26

26=3y

Answer 26

good, you got it, so that's close to 3(y) = 1(26)

you just have to factor and flip the equation

Answer 27

so our answer would be D then

Answer 28

correct

Answer 29

When movies are being created, the set designers often use miniature models before they create the actual movie set. The set designers for Jurassic Park 3, created a 6 inch high and 4 inch long model dinosaur that represented a 20 feet high dinosaur on the set. How long was the actual dinosaur, rounded to the nearest foot?






A.

15 feet





B.

13 feet





C.

14 feet





D.

12 feet

Answer 30

I think its B

Answer 31

solve for x

6/20 = 4/x

Answer 32

x=40/3

Answer 33

?

Answer 34

which is x = 13.333 in decimal form

round this to the nearest whole number to get x = 13

Answer 35

so our answer is 13

Answer 36

you got it