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forsale [732]
3 years ago
14

Use the substitution method Y=-2x+11 y=-3x+21

Mathematics
1 answer:
gogolik [260]3 years ago
6 0

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Y = 2 y /3 − 3


x = − y /3 + 7


Hope this helped!

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Jina wants to measure the width of a river. She marks off two right triangles, as shown in the figure. The base of the larger tr
Brilliant_brown [7]

Answer:

width of a river = 45m

Step-by-step explanation:

ration and proportion

let x = width of a river

x            20.9 m

------  =    --------

56 m       26 m

x = (20.9 * 56) / 26

x = 45 m

therefore the width of a river is 45 m

7 0
3 years ago
PLS HELP I ONLY NEED PART B
Mashcka [7]

Answer:

X= 2y - 3  

Kari makes X tryouts. She also makes 3 less than twice as many as Julie which would be X= 2y - 3

Julie makes y tryouts and twice would be 2y.

Step-by-step explanation: hope this helps!!! :)

7 0
2 years ago
Read 2 more answers
17/9 15 divided 6 divided 30 divided and 3^3 from least to greatest
qaws [65]

I assume you mean: Order the following from least to greatest:

17/9, 15 divided by 6, 30, and 3^3

17/9 = 1 8/9

15/6 = 2 1/2

3^3 = 9

So it would be: 17/9, 15 divided by 6, 3^3, and 30

Make necessary adjustments if it was actually 6/30; the wording was confusing.


8 0
3 years ago
A line graph would be useful for:
svetlana [45]
Tracking a change over time.
8 0
3 years ago
Read 2 more answers
How many times greater is the value of the 3 in 4,367 than the value of the 3 in 39?​
Lesechka [4]

Answer: Roughly 111.97

Step-by-step explanation:

1. 39 divided by 3 is 13.  

2. 4367 divided by 3 is not evenly distributed. Rounding, it would work out to be roughly 1455.66 

3. 1455.66 divided by 13 is roughly 111.97 (Again, this does not distribute evenly)

4. To check your work, multiply 111.97 times 13 and you should get somewhere around 1455.66 which is (4367 divided by 3).

Hopefully this helps! Feel free to mark brainliest! :)

8 0
3 years ago
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