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4 years ago

What is vertical angles congruence theorem

2 answers:

8 0

This mean that vertical angles, angles that are opposite each other and formed by two intersecting straight lines, are congruent.

gizmo_the_mogwai [7]4 years ago

7 0

I don’t really know bro

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An integer is chosen at random from 1 to 50 inclusive. Find the probability that the chosen integer is divisible by 3. A- 3/50 B

11111nata11111 [884]

First, we need to know how many things between 1 and 50 are divisible by 3, this would be 16. Then we would divide this by the total number of integers, 16/50=8/25. This means your answer is C.

4 0

3 years ago

Read 2 more answers

Help me with this question pls

Shalnov [3]

Answer:

Step-by-step explanation:

Step 1:

PQ + OP = OQ

Step 2:

7 + x = 9

Step 3:

x = 2

Answer:

OP = 2

Hope This Helps :)

8 0

3 years ago

Read 2 more answers

Can u plz help me answer question 30

slamgirl [31]

We are given:

$3x^3-2x^2$

There seems to be nothing I can do to simplify this equation. However, I can factor out an $x^2$ since they both have at least an $x^2$ . Here is what we get:

$x^2(3x-2)$

This is in the simplest form I can get into. I cannot do anything more to simplify this expression. This is your final answer.

3 0

3 years ago

The operations manager of a large production plant would like to estimate the mean amount of time a worker takes to assemble a n

xz_007 [3.2K]

Answer:

(15,595, 16,805)

Step-by-step explanation:

We have to:

m = 16.2, sd = 3.75, n = 150

m is the mean, sd is the standard deviation and n is the sample size.

the degree of freedom would be:

n - 1 = 150 - 1 = 149

df = 149

at 95% confidence level the t is:

alpha = 1 - 95% = 1 - 0.95 = 0.05

alpha / 2 = 0.05 / 2 = 0.025

now well for t alpha / 2 (0.025) and df (149) = t = 1,976

the margin of error = E = t * sd / (n ^ (1/2))

replacing:

E = 1,976 * 3.75 / (150 ^ (1/2))

E = 0.605

The 95% confidence interval estimate of the popilation mean is:

m - E <u <m + E

16.2 - 0.605 <u <16.2 + 0.605

15,595 <u <16,805

(15,595, 16,805)

5 0

3 years ago

Round this number to the nearest 100 38288

N76 [4]

The answer to this is 38300 hope this helped

8 0

3 years ago

Read 2 more answers