3 years ago

Which graph best represents the solution to the system of equations shown below?

Mathematics

1 answer:

lesya [120]3 years ago

4 0

The answer is a linear graph

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Answer: 832

Step-by-step explanation:

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3 years ago

If r + 14 = -9, what justifies r = -23

kramer

Answer:

you subtract 14 from -9 and that justifies it

Step-by-step explanation:

Hope this helps

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4 years ago

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FIRST PERSON WHO ANSWERS THIS CORRECTLY GETS BRAINLIEST

Firdavs [7]

Answer: Im pretty sure it would be 67, find area of each side then add

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3 years ago

For population parameter μ = true average resonance frequency for all tennis rackets of a certain type, each of these is a confi

Andreyy89

Answer:

X[bar]= 115

Step-by-step explanation:

Hello!

Every Confidence interval to estimate the population mean are constructed following the structure:

"Estimator" ± margin of error"

Wich means that the intervals are centered around the sample mean. To know the value of the sample mean you have to make the following calculation:

$X[bar]= \frac{Upper bond + Low bond}{2}$

$X[bar]= \frac{115.6+114.4}{2}$ = 115

Since both intervals were calculated with the information of the same sample, you can choose either to calculate the sample mean.

I hope it helps!

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3 years ago

What are the corresponding steps used to find the product of (2x + 1)(x + 1)?

Margarita [4]

Answer:

(2 x +1) ( x + 1) = 2 x² + 3 x + 1

Step-by-step explanation:

The steops used to find the product of (2 x + 1) (x + 1) are

=( 2 x )× x + (2 x) × 1 + x + 1

= 2 x² + 2 x + x + 1

= 2 x² + 3 x + 1

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4 years ago