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Eddi Din [679]
3 years ago
7

Ashley uses 1/2 cup of melted butter to spread equally on 12 slices of toast. How much melted butter is on each slice of toast?

Mathematics
1 answer:
Sholpan [36]3 years ago
3 0

Answer: 1/24

Step-by-step explanation:

1/2 divided by 12

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tamaranim1 [39]

Answer:

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Step-by-step explanation:

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Solve the formula for the specified variable.
iragen [17]
D is the correct answer
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2 years ago
Which distribution is used to test the claim that women have a higher mean resting heart rate than men?
xeze [42]

This question is incomplete, the complete question is;

Assume that two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Which distribution is used to test the claim that women have a higher mean resting heart rate than men?

A.t

B.F

C.Normal

D. Chi-square

Answer:

A) t  test

Step-by-step explanation:

A t-test uses sample information to assess how plausible it is for the population means μ1​ and μ2​ to be equal.

The formula for a t-statistic for two population means (with two independent samples), with unknown population variances shows us how to calculate t-test with mean and standard deviation and it depends on the assumption of having an equal variance or not.

If the variances are assumed to be not equal,

he formula is:

t =  (bar X₁ - bar X₂) / √( s₁²/n₁ + s₂²/n₂ )

If the variances are assumed to be equal, the formula is:

t =  (bar X₁ - bar X₂) / √ (((n₁ - 1)s₁² + (n₂ - 1)s₂²) / (n₁ + n₂ - 2)) ( 1/n₁ + 1/n₂)

it called t-test for independent samples because the samples are not related to each other, in a way that the outcomes from one sample are unrelated from the other sample.

hence option A is correct. t test

4 0
3 years ago
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Wewaii [24]

Answer:

A

Step-by-step explanation: hope this helps!!

3 0
3 years ago
PLEASE CAN SOMEONE find the value of the trigonmetric ratio
VashaNatasha [74]
For this case we have the following trigonometric relationship:
 sine (x) = C.O / h
 Where,
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 C.O: opposite leg
 h: hypotenuse
 Substituting values:
 sine (C) = 9/41
 Answer:
 
the value of the trigonometric ratio is:
 
sine (C) = 9/41
5 0
3 years ago
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