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3 years ago

Do 9/11 and 36/33 form a proportion

Mathematics

2 answers:

satela [25.4K]3 years ago

6 0

Answer:

Nope!

Step-by-step explanation:

No, because 9 x 4 = 36, whereas 11 x 3 = 33.

Hope that helps!

Nutka1998 [239]3 years ago

5 0

Answer:

no they don't

Step-by-step explanation: to find out whether they form a proportion you want to see whether they can multiply or divide into each other for the same amount. to turn 9 to 36 you have to multiply by 4 to turn 11 to 33 you have to multiply by 3 so no they do not form a proportion.

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Use the direct variation equation. <br> If y=20 when x=-5. Find x when y=-1.

Olenka [21]

Answer:

-1/4

Step-by-step explanation:

y=x

y=20

x=5

y=_x

20=k(5)

20/5=4

k=4

-1=4(x)

-1/4=x

5 0

3 years ago

grigory [225]

For this case, what we must do is find the scale factor.
We have then that the scale factor is given by:
$k = \frac{L1}{L2}$
Where,
L1: side length of polygon ABCD
L2: side length of polygon PQRS
Note: both sides belong to the same side of each polygon
Substituting the values we have:
$k = \frac{6}{12}$
Rewriting we have:
$k = \frac{1}{2}$
Answer:
The scale factor of dilation is given by:
$k = \frac{1}{2}$

3 0

3 years ago

Read 2 more answers

Write a single transformation that maps ABC onto A' B' C'

blsea [12.9K]

9514 1404 393

Answer:

Either of ...

(x, y) ⇒ (-x, -y)
Rotation 180° about the origin

Step-by-step explanation:

There are at least two ways to express the transformation that maps each coordinate to its opposite.

1. reflection across the origin: (x, y) ⇒ (-x,-y)

2. rotation 180° (either direction) about the origin.

Take your pick.

4 0

3 years ago

What is 145 ÷ 891 + 153 ÷ 141 + 1/1?

ruslelena [56]

Answer: Exact form: 94133 / 41877. Mixed number form: 2 10379 / 41877

Step-by-step explanation: divide 145 and 891. Then add 153. Then divide again 141 and 153. Then add 1/1.

Hope this helps!

7 0

3 years ago

Read 2 more answers

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-BARSIC- [3]

The answer is (0,12) as the y-int

3 0

4 years ago