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2 years ago

Which equation can be used to represent the statement?

Mathematics

2 answers:

zzz [600]2 years ago

6 0

Answer:

The right choice is c I got it right hope this helps

Step-by-step explanation:

Just took the test and got it right.

tamaranim1 [39]2 years ago

3 0

Answer:

$\frac{x}{2}$ - 7 = 1 $\frac{5}{10}$

By the way i am not sure

Also mark as brainliest (please)

Step-by-step explanation:

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Find x in this 45°-45°-90° triangle.<br><br> x=

Blababa [14]

Answer:

Step-by-step explanation:

This is the same question as before just flipped around

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3 years ago

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3 years ago

For each of the following scenarios state whether H0 should be rejected or not. State any assumptions that you make beyond the i

scoundrel [369]

Answer:

a) $H_0 :\mu = 4\\ H_1 : \mu \neq 4$ , n = 15 , X=3.4 , S=1.5 , α = .05

Formula : $t = \frac{x-\mu}{\frac{s}{\sqrt{n}}}$

$t = \frac{3.4-4}{\frac{1.5}{\sqrt{15}}}$

$t =-1.549$

p- value = 0.607(using calculator)

α = .05

p- value > α

So, we failed to reject null hypothesis

b) $H_0 :\mu = 21\\ H_1 : \mu < 21$ , n =75 , X=20.12 , S=2.1 , α = .10

Formula : $t = \frac{x-\mu}{\frac{s}{\sqrt{n}}}$

$t = \frac{20.12-21}{\frac{2.1}{\sqrt{75}}}$

$t =-3.6290$

p- value = 0.000412(using calculator)

α = .1

p- value< α

So, we reject null hypothesis

Assume α = .05

p-value = 0.061.

p- value > α

So, we failed to reject null hypothesis

7 0

3 years ago

Help I need the answer please!!!

lara [203]

Answer:

around 30 to 35

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

Suppose it is known that 10% of all people in Texas have a specific blood type. Suppose we take a random sample of 500 Texas res

Mila [183]

Answer:

a) 50

b) 6.71

c) 0.0681

Step-by-step explanation:

check the attached file below

5 0

3 years ago