3 years ago

Select all that apply.

Mathematics

1 answer:

tatyana61 [14]3 years ago

5 0

Answer:

5 and 7

2 and 3

Step-by-step explanation:

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Furkat [3]

<span>
It's a binomial problem with n = 5, p = 0.12 ; x = 4
P(x=4) = 5C4(0.12)^4(0.88)^1 = 5*(0.00030736)(0.88) = 0.000912384..</span>

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3 years ago

Given u = (2, -8) and v = (8, -2), what is u times v?

jolli1 [7]

Answer:

$u\cdot v=32$

Step-by-step explanation:

Assuming $u$ and $v$ are vectors, their dot product is $u\cdot v$ where $u_1v_1 + u_2v_2$ :

$u\cdot v=u_1v_1+u_2v_2=(2)(8)+(-8)(-2)=16+16=32$

Therefore, $u\cdot v=32$

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3 years ago

Which ones are true?

zloy xaker [14]

Answer:

The last three answers.

Step-by-step explanation:

4 0

3 years ago

Mike plays basketball. He attempted 32 free throws in January and 28 free throws in February. a. Is the percent change a percent

Margarita [4]

January: 32
February: 28

The percent change is a percent decrease.

6 0

4 years ago

What is the equation of this trend line?<br><br> Enter your answers by filling in the boxes.

zhuklara [117]

Answer:

$k=-2j+24$

Step-by-step explanation:

Take two points from the graph

(0,24) and (6,12)

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{k2-k1}{j2-j1}$

substitute

$m=\frac{12-24}{6-0}$

$m=\frac{-12}{6}=-2$ ---> is negative because is a decreasing function

Find the equation of the line in slope intercept form

$k=mj+b$

we have

$m=-2\\b=24$

Note: The y-intercept is given (0,24)

substitute

$k=-2j+24$

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4 years ago