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3 years ago

Please help me. this is a geometry problem

Mathematics

1 answer:

drek231 [11]3 years ago

6 0

Step-by-step explanation:

"bisects" means "cuts in half".

that is the whole "secret" for that problem.

now we know, that both line segments are equally long (exactly half of the total length of UV).

so,

4x - 9 = 2x + 5

2x = 14

x = 7

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Find the midpoint P(16,7) and Q(12, -3) With work.

hichkok12 [17]

Answer:

(14, 2 )

Step-by-step explanation:

Use the midpoint formula

[0.5(x₁ + x₂), 0.5(y₁ + y₂) ]

with (x₁, y₁ ) = (16, 7) and (x₂, y₂ ) = (12, - 3)

midpoint = [0.5(16 + 12), 0.5(7 - 3) ] = [0.5(28), 0.5(4) ] = (14, 2 )

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3 years ago

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Four employees of papa Tony's Pizza are cleaning up at the end of a busy night. There is a list of 43 clean up tasks that need t

Eduardwww [97]

Hello There!

You divide 43 by 4:
43/4 = 10.75
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Therefore, each employee would do approximately 11.
However, the exact amount is 10.75

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3 years ago

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Zina [86]

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3 years ago

Write Em Up Wednesdays - Exponent Rules

galina1969 [7]

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3 years ago

Suppose a random sample of n = 16 observations is selected from a population that is normally distributed with mean equal to 101

stepan [7]

Answer:

101, 3, 0.025, 0.7416

Step-by-step explanation:

Given that a random sample of n = 16 observations is selected from a population that is normally distributed with mean equal to 101 and standard deviation equal to 12.

As per central limit theorem we have

a) Mean of sample mean = $E(\bar x) =\\ \mu =101$

Std deviation of sample mean = $\frac{\sigma}{\sqrt{n} } =3$

Mean = 101

Std dev =3.00

b) $P(\bar x >107) = P(Z>\frac{107-101}{3} )\\= P(Z>2) = 0.025$

c) the probability that the sample mean deviates from the population mean μ = 101 by no more than 4.

= $P(|\bar x-101|) \leq 4\\= P(|z|\leq 1.13)\\= 2(0.3708)\\=0.7416$

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4 years ago