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sweet [91]
3 years ago
11

Please please help me

Mathematics
1 answer:
Damm [24]3 years ago
5 0

Answer:

(a)

Step-by-step explanation:

The line y = x + 1 has a solid circle at x = 2 indicating that x is valid for this value, thus

y = x + 1 for x ≤ 2

The line y = x + 2 has an open circle at x = 2 indicating that x = 2 is not part of the solution but that values greater than 2 are valid, that is

y = x + 2 for x > 2

The definition for the function is (a)

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A book sold 35,100 copies in its first month of release. Suppose this represents 9.2% of the number of copies sold to date. How
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Answer:

Total number of copies sold till date are 381522.

Step-by-step explanation:

It is given in the question the book sold 35100 copies in its first month of release and this number is 9.2% of the number of copies sold till date.

To find is how many copies have been sold.

Let the total number of copies sold be = A

Therefore 9.2% × A = 35100

\frac{9.2}{100}A=35100

A=\frac{35100\times 100}{9.2}

A = 381521.74 ≅381522 copies

3 0
3 years ago
Estimate the line of best fit using two points on the line.
mash [69]

Answer:

B. y = -2/3x + 12

Step-by-step explanation:

Formula to find the slope when given two points on a line:

<u>y</u><u>2</u><u> </u><u>-</u><u> </u><u>y</u><u>1</u>

x2 - x1

Substitute the two given points (6, 8) (9, 6):

<u>6</u><u> </u><u>-</u><u> </u><u>8</u>

9 - 6

Slope = -2/3x

We found the slope! And the answer choices already gave us one y-intercept, which is 12. The last thing we do is we form an equation with the information we solved and that was given to us.

y = slope (x) + y-intercept

y = -2/3x + 12

The answer choice that matches this equation is B.

In conclusion, the equation that best estimates the line of best fit shown above is answer choice B.

5 0
3 years ago
Read 2 more answers
12. Zachary Tylar 72% commission? earns commission on sales of $4,255. What is his commission ​
ioda

Answer:

$3063.6

Step-by-step explanation:

72% of $4,255 = $3063.6

The formula for finding percents is number x percent ÷ 100.

4,255 x 72 ÷  100 = 3063.6

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2 years ago
35% of a number is what fraction of that number​
OLEGan [10]

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Step-by-step explanation:

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11111nata11111 [884]

Answer:

3

Step-by-step explanation:

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2 years ago
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