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Vlad1618 [11]
2 years ago
8

What is the equation of this trend line?

Mathematics
1 answer:
Ilya [14]2 years ago
3 0

Answer:

The trend line is N = -2M + 110

Step-by-step explanation:

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Bill is building a deck. He wants the length of the deck to be 7 feet. If he wants the area of the deck to be 105 square feet, w
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The answer is 15 feet
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Find the volume of the sphere. Round to the nearest tenth, if necessary. (Use π = 3.14)
ankoles [38]

Steps:

Shape: Sphere

Solved for volume

Radius: 3

Formula: V=4 /3πr3

1: know the height. We don't have to round to the nearest tenth. The correct answer for this question is 113.0.

Answer:  113.0

<em><u>Please mark brainliest</u></em>

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6 0
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3(2x+1)=7-2(x+5)<br> Can you please show me how to solve this step by step please
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3(2x+1) = 7-2(x+5)
    6x+3 = 7-2x-10
         -3             -3
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       +2x     +2x
         8x = -6
        ----    -----
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8 0
3 years ago
What is the volume of the cone with diameter 7in and height 9in? Round to the nearest cubic inch
dezoksy [38]
Diameter = 7 cm
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8 0
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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

3 0
3 years ago
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