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3 years ago

9

Caroline is planting flowers in her garden. She plants her first 7 flowers in 4 minutes. After 12 minutes, she has planted 21 di

fferent flowe
Plot four data points and the line of best fit to model how long it takes Caroline to plant flowers

1 answer:

Gre4nikov [31]3 years ago

7 0

Answer:

40

Step-by-step explanation:

use slope formula (4-12)/(7-21) = 8/14 (8/14)*70 = 40

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Estimate the value of 52/ to the nearest whole number

REY [17]

It is 52 because when roundest to the whole number 52 is closest

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Answers

1) 4

2) 0, 2, -10

3) 0, 5, -2

Step-by-step explanation:

1) x³ - 64 = 0

x³ = 64

x = 4

2) x³(x² + 8x - 20) = 0

x³(x² + 10x - 2x - 20) = 0

x³(x(x + 10) - 2(x + 10)) = 0

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3) x³ - 3x² - 10x = 0

x(x² - 3x - 10) = 0

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3 years ago

Please look at the picture and answer it thank you.

ElenaW [278]

Answer:

x = 17

Step-by-step explanation:

The sum of all angle measures in any triangle is 180 degrees.

Thus, 23 + 5x - 18 + 90 = 180.

Step 1: Simplify both sides of the equation.

$(5x)+(23+90-18)=180$
$5x+95=180$

Step 2: Subtract 95 from both sides.

$5x+95-95=180-95$
$5x=85$

Step 3: Divide both sides by 5.

$5x/5=85/5$
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Step 4: Check if solution is correct.

$(5*17-18)+23+90=180$
$67+23+90=180$
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Thus, x = 17.

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