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2 years ago

6

Please help ill mark brainliest

1 answer:

Tatiana [17]2 years ago

4 0

The square is 8 grams because on the right side the triangle equals 4 and on the left side the 3 triangles equal 12 so if each square was 8 and there are two squares then that would be 16+4=20 and then the left side is 4x3 triangle which is 12 plus 1 square which is 8 equals twenty making them equal

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The graph below shows the distance Sean rode his bike. Does this represent a proportional relationship?

Black_prince [1.1K]

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Alternative C.

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2 years ago

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Graph the solution of the inequality on a number line. x − (5 − 3x) ≤ 2x − 1

egoroff_w [7]

Answer:

x ≤ 2

Step-by-step explanation:

x − (5 − 3x) ≤ 2x − 1
x - 5 + 3x ≤ 2x - 1
4x - 5 ≤ 2x - 1
4x - 2x ≤ 5 - 1
2x ≤ 4
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The graph includes all point to the left from point 2, same point included

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2 years ago

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Assume that the amount of beverage in a randomly selected 16-ounce beverage can has a normal distribution. Compute a 99% confide

ioda

Answer:

The question is incomplete, but the step-by-step procedures are given to solve the question.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1 - 0.99}{2} = 0.005$

Now, we have to find z in the Ztable as such z has a pvalue of $1 - \alpha$ .

That is z with a pvalue of $1 - 0.005 = 0.995$ , so Z = 2.575.

Now, find the margin of error M as such

$M = z\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

$M = 2.575\frac{\sigma}{\sqrt{n}}$

The lower end of the interval is the sample mean subtracted by M.

The upper end of the interval is the sample mean added to M.

The 99% confidence interval for the population mean amount of beverage in 16-ounce beverage cans is (lower end, upper end).

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2 years ago

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Well in THAT case it would be C. because it is a PROGRAM, and PROGRAMS are softwares on computers ;)

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2 years ago

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Is 4(5a-8)+2a equivalent to 12a-6

dem82 [27]

No, it would end up being 20a-32 which is not equivalent to 12a-6

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3 years ago

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