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2 years ago

8

Which conversion requires multiplication?

1 answer:

Taya2010 [7]2 years ago

4 0

Answer:

C

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HELP ASAP! Use a calculator to find the r-value of these data. Round the value to three decimal places.

AleksandrR [38]

We know that
In statistics, the correlation coefficient r measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r is always between +1 and –1

using a excel tool
see the attached figure

<span>the r-value is -0.98534-------> -0.985
</span>
the answer is
-0.985

4 0

4 years ago

Solve. <br><br>2+4y=y−7 <br><br>y=−1/3 <br>y=−1 <br>y=−3<br> I don't know.

vesna_86 [32]

I believe it’s -3 because it just sound realistic

5 0

3 years ago

A scale drawing of Julie's living room is shown below:

stealth61 [152]

Answer:

length = 16 feet

width = 12 feet

Step-by-step explanation:

divide the length and width by 2 so you get 3 and 4. then you proceed to Multiply both by 4 and you get 12 and 16

6÷2 = 3

8÷2 = 4

3x4= 12

4x4 = 16

4 0

3 years ago

Consider the graph above. Write about a situation that could be modeled using this graph. In your response, use the prompts belo

Vikentia [17]

Answer:

See Explanation

Step-by-step explanation:

Given

See attachment for graph

Required

A situation that can be modeled by the graph.

The prompt and the response are as follows:

<u>The type of function:</u>

It is a linear function

<u>The variables modeled in the function</u>

The variables are x and y

<u>The domain and the range</u>

From the graph, we can see that x and y values are not limited to any constraints.

So, the domain and the range are:

$Domain: \{-\infty \le x \le \infty \}$

$Range: \{-\infty \le y \le \infty \}$

<u>Question that could be </u> $answered$ <u></u>

The graph could be used to predict y value, given the x value.

Take for instance, find y when x = 10

The answer can be handpicked directly from the graph. However, the best way is to calculate the graph equation, first.

So, we have:

Pick any two points on the line of the graph

$(x_1,y_1) = (-2,0)$

$(x_2,y_2) = (0,4)$

Calculate the slope (m)

$m = \frac{y_2 - y_1}{x_2 - x_1}$

$m = \frac{4 - 0}{0 - -2}$

$m = \frac{4}{2}$

$m =2$

The equation of the graph is:

$y = m(x - x_1) + y_1\\$

So, we have:

$y = 2(x - -2) + 0$

$y = 2(x +2)$

Expand

$y = 2x +4$

To solve for y when x = 10;

$y = 2 * 10 +4$

$y = 20 +4$

$y = 24$

5 0

3 years ago

4. The distance between Farewell, Texas and Corpus Christi, Texas is

lara [203]

Ccmcmfkskbksjgkejvjd ndnvdsvv

8 0

4 years ago