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3241004551 [841]
3 years ago
10

Find the missing side of the triangle

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
4 0

I dont know the answer lol but imma say B

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Aaaaaaaaaaaaaaa a aaaaaaaaaaaaaaaaaaa khan academy
Paraphin [41]

Hi again

Answer:

7t=105

Mu walked 15 laps

8 0
3 years ago
Read 2 more answers
What is the difference between 43.68 - 40.67
mote1985 [20]
It would be 3.01 because 40.00-40.00 is 0 then take away the other numbers 3.68- 0.67 is 3.01
7 0
3 years ago
Paige has 1 ½ feet of rope for a project. She only needs 2/3 of it. How much rope does she need?
Grace [21]

Answer:

1 foot

Step-by-step explanation:

1 1/2 = 3/2

2/3*3/2 = 1

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3 years ago
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The values shown represent the y-values that correspond to x-values from x = 1 through x = 5.
rjkz [21]
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7 0
3 years ago
A publishing company claims that in fall 2019, the average price of college textbooks for a single semester is $385. Suppose you
hram777 [196]

Answer:

We accept H₀ . We don´t have enough evidence to express the publisher claim is not true

Step by Step explanation:

We must evaluate if the mean of the price of college textbooks is different from the value claimed by the publisher

n < 30 then we must use t - distrbution

degree of freedom   n  - 1     df = 22 - 1     df = 21

As the question mentions " different " that means,  a two-tail test

At 0,01 significance level     α  = 0,01       α/2  =  0,005

and t(c)  = 2,831

Test Hypothesis

Null Hypothesis                      H₀          μ  =  μ₀

Alternative hypothesis           Hₐ          μ  ≠  μ₀

To calculate t(s)

t(s)  =  (  μ  -  μ₀ ) /σ/√n

t(s)  =  (  433,50 - 385 ) / 86,92 / √22

t(s)  =  2,6171

Comparing   t(c)   and t(s)

t(s) < t(c)

Then  t(s) is in the acceptance region we accept H₀. We don´t have enough evidence to claim that mean price differs from publisher claim

6 0
3 years ago
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