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2 years ago

Plss need help, question on pic below

Mathematics

2 answers:

horsena [70]2 years ago

7 0

Answer:

polygon klhij is congruent to polygon vwstu

Step-by-step explanation:

tresset_1 [31]2 years ago

5 0

Polygon KLHIJ ≅ Polygon VWSTU

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Please answer these for me <3

gtnhenbr [62]

8-21

9- -16 i think lemme do the next ones

6 0

2 years ago

A sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's p

charle [14.2K]

Answer:

So the value of the test statistic is -0.85.

Step-by-step explanation:

We know that a sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 54% of the chips do not fail in the first 1000 hours of their use.

We get that:

$n=1800\\\\p_1=53\%=0.53\\\\p_2=54\%=0.54\\$

We calculate the standar deviation:

$\sigma=\sqrt{\frac{0.53 \cdot (1-0.53)}{n}}=\sqrt{\frac{0.53 \cdot 0.47}{1800}}=0.01176$

We calculate the value of the test statistic:

$z=\frac{p_1-p_2}{\sigma}=\frac{0.53-0.54}{0.01176}=-0.85$

So the value of the test statistic is -0.85.

5 0

3 years ago

What is 48 divided by 8

mylen [45]

48 ÷ 8 = 6

Hope this helps!

8 0

3 years ago

Read 2 more answers

There are 18 bicycles. There are more more blue than yellow. There are 2 less yellow than green. How many of each color are ther

nasty-shy [4]

The are 8 blue bicycles, 6 green bicycles, and 4 yellow bicycles and total they equal 18.

5 0

2 years ago

ANSWER FAST NO LINKS 23=x-13 9+x=14 12=x+8

Anna35 [415]

Answer:

23=x-13, x=36

9+x=14, x=5

12=x+8, x=4

Step-by-step explanation:

23=x-13. You want to isolate x so you have to add 13 to both sides. x=23+13, x=36

9+x=14. You want to isolate x so you have to subtract 9 from both sides. x=14-9, x=5.

12=x+8. You want to isolate x so you have to subtract 8 from both sides. x=4.

If this has helped please mark as brainliest

3 0

2 years ago