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3 years ago

15

Will mark brainliest and thank you!!! Please help!

1 answer:

Usimov [2.4K]3 years ago

7 0

The correct answer is maybe 3

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Solve the system of equations.<br> <br><br> 2x−9y=14<br> x=−6y+7<br>

ipn [44]

Step-by-step explanation:

$put \: x \: into \: equation \: 1$

$2( - 6y + 7) - 9y = 14$

$- 12y + 14 - 9y = 14$

$- 21y + 14 = 14$

$- 21y = 14 - 14$

$- 21y = 0$

$\frac{ - 21y}{12} = \frac{0}{21}$

$y = 0$

$put \: y = 0 \: into \: equation \: 2$

$x = 6y + 7$

$x = 6(0) + 7$

$x = 0 + 7$

$x = 7$

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2 years ago

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Solve the proportion.

Lostsunrise [7]

Answer:

r = 9

Step-by-step explanation:

cross multiply

9 * r = 81

9r = 81

divide both sides by 9

r= 81/9

r = 9

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3 years ago

Which sampling method is generally the weakest

Rudiy27

The answer to that question is Random Sampling

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3 years ago

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What is the area of the polygon shown

kvv77 [185]

Answer:

16 square units

Step-by-step explanation:

(bxh)÷2

4×8=32

32÷2=16

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3 years ago

Find the slope of the line

adoni [48]

Answer:

m = (6-5)/(4-1)

m = 1/3

.............

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3 years ago