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ryzh [129]
3 years ago
10

Lemme know ——————————-

Mathematics
1 answer:
vichka [17]3 years ago
5 0

Answer:

121

Step-by-step explanation:

180 - (56 + 65) = 59

180 - 59 = 121

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Radius of x^2+y^2=25
SOVA2 [1]

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5

Step-by-step explanation:

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3 years ago
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Data consistent with summary quantities in the article "Effects of Fast-Food Consumption on Energy Intake and Diet Quality Among
Olegator [25]

Answer:

a) X[bar]₁=  1839.20 cal

b) X[bar]₂= 1779.07 cal

c) S₁= 386.35 cal

Step-by-step explanation:

Hello!

You have two independent samples,

Sample 1: n₁= 15 children that did not eat fast food.

Sample 2: n₂= 15 children that ate fast food.

The study variables are:

X₁: Calorie consumption of a kid that does not eat fast food in one day.

X₂: Calorie consumprion of a kid that eats fast food in one day.

a)

The point estimate of the population mean is the sample mean

X[bar]₁= (∑X₁/n₁) = (27588/15)= 1839.20 cal

b)

X[bar]₂= (∑X₂/n₂)= (26686/15)= 1779.07 cal

c)

To calculate the sample standard deiation, you have to calculate the sample variance first:

S₁²= \frac{1}{n_1-1}[∑X₁² - (( ∑X₁)²/n₁)]= \frac{1}{14} + [52829538 - (\frac{27588^{2} }{15}) = 149263.4571 cal²

S₁= 386.35 cal

I hope it helps!

7 0
3 years ago
Jenny’s home appraised for 550,000. Her asking price was 560,000 and the properties sold for 575,000. What were the new owners p
Alisiya [41]

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Step-by-step explanation:

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2 years ago
7(-2k+4)-6=7k-20 what is the answer
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The answer to this equation would be k=2
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The ratio of Illinois students to Michigan students was 6:5. How many students were from Michigan?
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We would need to know how many students are in the class to properly answer the question.

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