2 years ago

Brainliest! Help, thanks! Answer quickly

Mathematics

2 answers:

nevsk [136]2 years ago

8 0

Answer B 10 just add the 5 plus 5 :)

IgorC [24]2 years ago

4 0

Answer:

B.10

Step-by-step explanation:

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Multiplying polynomials (3x-8) (2x-2)

Neko [114]

(3x - 8)(2x - 2)
(6x² - 6x - 16x + 16)
6x² - 22x + 16

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3 years ago

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Write the equation of the line that passes through the given points. (0, -1) and (-5.-9)

Elis [28]

Answer:

$y=\frac{8}{5}x-1$

Step-by-step explanation:

Recall:

Slope -> $m=\frac{Rise}{Run}=\frac{\Delta y}{\Delta x}=\frac{y_2-y_1}{x_2-x_1}$
Slope-intercept form -> $y=mx+b$
Y-intercept -> $b$

Given:

$(x_1,y_1) = (0,-1)$
$(x_2,y_2) = (-5,-9)$

Slope calculation:

$Slope=\frac{y_2-y_1}{x_2-x_1}=\frac{-9-(-1)}{-5-0}=\frac{-9+1}{-5}=-\frac{8}{5}=\frac{8}{5}$

Y-intercept calculation:

$y=\frac{8}{5}x+b$

$-1=\frac{8}{5}(0)+b$

$-1=0+b$

$-1=b$

Final equation:

$y=\frac{8}{5}x-1$

3 0

3 years ago

What is a summary number model

Darya [45]

A number model in math is a sentence that illustrates how the parts of a number story are related. The equation may include addition, subtraction, division and multiplication and may be expressed as words or in number form.

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3 years ago

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A circle has a radius of \blue{9}9start color #6495ed, 9, end color #6495ed. An arc in this circle has a central angle of 120^\c

Citrus2011 [14]

Answer:

6 pi

Step-by-step explanation:

Found the answer out on Khan Academy. Hope it helps.

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4 years ago

A kid's pool is cylindrical and has a radius of 5 feet and a height of 2 feet. If a cubic foot holds about 7.48 gallons of water

ikadub [295]

Answer:

1,174.958 gallons

Step-by-step explanation:

Begin by finding the volume of the cylinder V= π x r² x h

V = 3.14 x 25 x 2 = 157.08

Then multiply 7.48 gallons per cubic foot

7.48 x 157.08 = 1,174.958 gallons

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4 years ago