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siniylev [52]
3 years ago
6

Help me solve this statistics question please!!

Mathematics
1 answer:
Leni [432]3 years ago
7 0

It's B, D, and E.

Hope ok. :)

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Which of the following data could be graphed using a dot plot? Select all that apply.​
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You need to provide more information, images data etc.

Step-by-step explanation:

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The sales tax on the model rocket shown is $1.92. What is the percent of sales tax?
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3 years ago
ONLY answer if yk it i’m giving best answer brainliest!!
S_A_V [24]

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-x^4-10x+1/10

Step-by-step explanation:

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Which equation represents a line that is perpendicular to line PQ?
valentinak56 [21]

Answer:

B. y=1/3x+4

Step-by-step explanation:

Hi there!

We are given the line PQ and we want to find the line that is perpendicular to it

Perpendicular lines have slopes that are negative and reciprocal. When they are multiplied together, the result is -1

So first, let's find the slope of the line PQ

The point P is given as (-8, 7) and the point Q is given as (-4, -5)

The formula for the slope calculated from two points is \frac{y_2-y_1}{x_2-x_1} where (x_{1} y_1) and (x_2, y_2) are points

We have the needed information for the slope, but let's label the values of the points to avoid any confusion

x1=-8

y1=7

x2=-4

y2=-5

Now substitute into the formula (m is the slope, and remember: the formula contains SUBTRACTION):

m=\frac{(-5-7)}{(-4--8)}

simplify

m=\frac{-5-7}{-4+8}

add

m=-12/4

divide

m=-3

So the slope of the line PQ is -3

As said above, perpendicular lines have slopes that have a product of -1

So to find the slope of the line perpendicular to PQ, use this formula:

-3m=-1

divide both sides by -3

m=1/3

The only line that has a slope of 1/3 is B (y=1/3x+4), so B is the answer.

Hope this helps!

3 0
3 years ago
R= I didn’t know it at all so if some one could help me‍♀️ Thank you
alexdok [17]

Answer:

1

Step-by-step explanation:

1

3 0
3 years ago
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