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1 year ago

Mr. Barrow scored his high school students' essays on a scale of 0 to 10. He recorded data about the scores in the table below.

Mathematics

2 answers:

Fynjy0 [20]1 year ago

7 0

09 08 07 06 10 1

wrryetryytrwertry (It was too short)

vivado [14]1 year ago

5 0

Answer:

the answer, look at the table and match it whith the dotted table line .

It should go like,

3 should have 1 dot

4 should have 1 dot

5 should have 2 dots

6 should have 5 dots

7 should have 4 dots

8 should have7 dots

9 should have 3 dots

10 should have 2 dots

Step-by-step explanation:

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1/4, since the radius is also halved if the diameter is halved, meaning (radius/2)^2 is radius^2 * 1/4.

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1 year ago

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Max wrote the number 0.785. After multiplying his number by a power of 10, he arrived at the number 7,850.0. What power of 10 di

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Answer:

10 to the 4th power

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1 year ago

In 2004, a magazine's circulation was about 1,000,000 readers. In 2014, the magazine had about 2,000,000 readers. Write a linear

professor190 [17]

Answer:

$r(t)=100,000t+600,000$

Step-by-step explanation:

Let

r ----> the number of readers (y-coordinate or dependent variable)

t ----> the number of years after 2000 (x-coordinate or independent variable)

Remember

2004 ----> represent t=4 years

2014 ----> represent t=14 years

we have the ordered pairs

(4,1,000,000) and (14,2,000,000)

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{2,000,000-1,000,000}{14-4}$

$m=\frac{1,000,000}{10}$

$m=100,000\frac{readers}{year}$

step 2

Find the equation of the line in point slope form

$r-r1=m(t-t1)$

we have

$m=100,000\\point\ (4,1,000,000)$

substitute

$r-1,000,000=100,000(t-4)$

step 3

Convert to slope intercept form

$r=mt+b$

isolate the variable r

$r-1,000,000=100,000t-400,000\\r=100,000t-400,000+1,000,000\\r=100,000t+600,000$

step 4

Convert to function notation

$r(t)=100,000t+600,000$

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1 year ago

which of the following represents a chord, but not a diameter, of the circle? A. TS, B. SN, C.TR, D.MN

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Answer: A diameter goes straight across the circle and passes through the center point (point M). A radius stops at the center point, making the line go halfway across the circle (basically half the diameter). A chord goes across the circle, but does not go through the center point. Therefore, the answer is C, because it does not go through the center point.

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1 year ago