3 years ago

I don’t know how to do this and I need know know how quick!!

Mathematics

1 answer:

4vir4ik [10]3 years ago

3 0

It is the Top left answer!

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What is the reflection of point P(-1, 6) across the line y = x?

gladu [14]

If you are reflecting across the line y = x, then the x value becomes the y-vale and the y-value becomes the x-value. So the answer would be (6, -1) (Just trade places with x and y.)

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3 years ago

Solve y+1=-3/4 (x+2) and y-3= 2/3 (x-4) please show how you solve it

VashaNatasha [74]

Answer:

y = -3/4x-5/2 and y = 2/3x-1/3

Step-by-step explanation:

y+1 = -3/4(x+2)

y+1 = -3/4x-3/2

y = -3/4x-3/2-1

y = -3/4x-5/2

-----

y-3 = 2/3(x-4)

y-3 = 2/3x-8/3

y = 2/3x-8/3+3

y = 2/3x-1/3

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3 years ago

If b = 5, what is b to the square root of 3

liubo4ka [24]

Is 125 because u need to take the 5 and add 3 on the top

6 0

3 years ago

find the measure of the indicated angle that makes lines u and v parallel. (i will mark brain liest, please help.)

Lelu [443]

Answers:
1. 130
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7 0

3 years ago

Suppose a simple random sample of size n = 1000 is obtained from a population whose size is N = 2,000,000 and whose population p

faltersainse [42]

Answer:

$p(x\geq 520) = 0.0293$

Step-by-step explanation:

Given data:

random sample size n = 1000

Population size is N - 2,000,000

P = 0.49

We know

$\sigma_p = \sqrt{\frac{p*(1-p)}{n}}$

$\sigma_ p = \sqrt{\frac{0.49*(1-0.49)}{1000}} = 0.0158$

Probability for having X =520

sample proportion $\hat p = \frac{520}{1000} = 0.52$

$p(x\geq 520) = P(\hat p\geq)$

$= P(Z\geq \frac{0.52 - 0.49}{0.0158})$

$= P(Z\geq 1.89) = 0.0293$

$p(x\geq 520) = 0.0293$

6 0

3 years ago

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