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3 years ago

Can someone help me I don’t get it

Mathematics

2 answers:

zhenek [66]3 years ago

7 0

The answer is D 2 gallons

kirza4 [7]3 years ago

3 0

The answer is 2 gallons because 2/4 is the same as 1/2 and he used 1/2 or 2/4 of the paint so he has 2 gallons left

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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

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3 years ago

3(2x+1) =-5-5+3x solve the problem

Firlakuza [10]

Answer:-3

Step-by-step explanation:

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3 years ago

a 3rd grade teacher has 55 students everyday if those 55 students turned into 100 students how many students would it be.

Tamiku [17]

Answer:

45 because you have to subtract 100-55 which would equal 45

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3 years ago

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Which expression is equivalent to the given expression?

Whitepunk [10]

Answer:

4ln x +ln 3-lnx

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3ln x+ln 3

ln(3x+3)is equivalent.

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3 years ago

!(URGENT)! True or False

sergeinik [125]

its false

im sure

hope it helps!

thanks!

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3 years ago

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