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3 years ago

The table shows a proportional relationship between the number of pounds of grapes

Mathematics

1 answer:

AfilCa [17]3 years ago

5 0

Answer:

Pounds of grapes: 11

Total cost: $8.97

Step-by-step explanation:

Because when you look at the prices, the last answer (Pounds of grapes: 11

Total cost: $8.97)is the most correct because it is adding by 2 (2, 4, 6, 8) every time. Its not exactly 8 but its the closet number :)

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Kevin buys 4 folding chairs. Each chair costs $13.50. The sales tax is 6.5%. What is the amount of sales tax for Kevin's purchas

Lorico [155]

I think its $3.51........................

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3 years ago

Find the value of x, y, and z in the image below.

Yakvenalex [24]

Answer:

Step-by-step explanation:

y=18°

x=64°

x+y+z=180

64+18+z=180

82+z=180

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3 years ago

Read 2 more answers

Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follow

guajiro [1.7K]

Answer:

a) x = 1.52

b) s = 1.16

Step-by-step explanation:

We have that:

5 students watched 0 movies.

9 students watched 1 movie.

5 students watched 2 movies.

5 students watched 3 movies.

1 student watched 4 movies.

(a) Find the sample mean x.

Sum divided by the number of students. So

$x = \frac{5*0 + 9*1 + 5*2 + 5*3 + 1*4}{5 + 9 + 5 + 5 + 1} = \frac{38}{25} = 1.52$

(b) Find the approximate sample standard deviation, s.

Standard deviation of the sample.

Square root of the sum of the squares of the values subtracted from the mean, divided by the sample size subtracted by 1. So

$s = \sqrt{\frac{5*(0-1.52)^2 + 9*(1-1.52)^2 + 5*(2-1.52)^2 + 5*(3-1.52)^2 + 1*(4-1.52)^2}{24}} = \sqrt{\frac{32.24}{24}} = 1.16$

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3 years ago

Bailey attends gymnastics practice for 8 hours each week. This is 1/4 the number of hours that the gym is open for practice. How

vichka [17]

8 hours is 1/4 of the time the gym is open. 1/4 is a quarter. You need to times 8 by 4 which equals 32. The gym is open for 32 hours. Hope this helped

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4 years ago

Read 2 more answers

Darience says that he was able to jog 12 miles in 2 hours this weekend Sierra says his unit rate is 6 miles per hour Brandon say

SpyIntel [72]

Answer:

it takes him 6 hours to jog

Step-by-step explanation:

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4 years ago