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3 years ago

8

Eric surveys students at his school and finds that 80% have a pet. He wants to estimate the probability that, if he randomly sel

ected 4 students, more than 2 would have a pet.

1 answer:

NNADVOKAT [17]3 years ago

7 0

Yes that is correct what is the question

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Who tryna do my edualastic test for math

lianna [129]

Answer:

umm i can try to help you with the test

Step-by-step explanation:

3 0

3 years ago

Steve paid 10% tax on a purchase of $40. Select the dollar amount of the tax and the total dollar amount Steve paid on the numbe

Shalnov [3]

10% of 40 =
10% × 40 =
.10 × 40 = 4.00

Tax is $4
Amount Paid is 40 + 4 = $44

6 0

3 years ago

Consider the line 5x-8y=8 what is the slope of a line perpendicular to this line what is the slope of a line parallel to this li

Sophie [7]

$\text{Let}\ k:y=m_1x+b_1\ \text{and}\ l:y=m_2x+b_2,\ \text{then}\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\l\ \parallel\ k\iff m_1=m_2\\\\\text{Convert the equation to the slope-intercept form}\ y=mx+b.\\\\5x-8y=8\qquad\text{subtract}\ 5x\ \text{from both sides}\\\\-8y=-5x+8\qquad\text{divide both sides by (-8)}\\\\y=\dfrac{5}{8}x-1\to m_1=\dfrac{5}{8}\\\\perpendicular:\ m_2=-\dfrac{1}{\frac{5}{8}}=-\dfrac{8}{5}\\\\parallel:\ m_2=\dfrac{5}{8}$

8 0

3 years ago

5-2 ????=7-5 ???? which value of x is the solution to the above equation?

saw5 [17]

5-2x=7-5x
-2x+5x=7-5
3x=2
X=2/3

8 0

3 years ago

Helpppppppppppppppppppppppp

motikmotik

Answer:

1A, 2C, 3X, 4A, 5B, 6W, 7X

Step-by-step explanation:

Im not sure about these answers, can you have the same letter for a different number?

5 0

4 years ago