2 years ago

See attachment to help.

Mathematics

1 answer:

kogti [31]2 years ago

5 0

I hope this helps! its in the file below!

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Amanda has 15 coins in her pocket. Of these, 8 are quarter. What is ratio of quarters to coins in Amanda's pocket?i

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8:15 or 8 to 15 would be the ratio because you compare 8 quarters to 15 coins.

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11x^3 + 15x^2 - 25x + 7 = 0

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Answer:

x1 = −2.414

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A trapezoid has an area of 400 square millimeters. The bases are 14 and 36 millimeters. What is the height of the trapezoid?

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50+h=400
-50 -50
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What is 5 - 3x + x - 32 in a simplified expression?

tresset_1 [31]

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-27-2x

Step-by-step explanation:

5-3x+x-32

(collect like terms)

5-32-3x+x

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Homework due at 12:00<br> I Need Help

Leya [2.2K]

Answer:

Step-by-step explanation:

Slope "m" of a line through points

( $x_{1}$ , $y_{1}$ )

( $x_{2}$ , $y_{2}$ )

is m = $\frac{y_{2} -y_{1} }{x_{2} -x_{1} }$

Slopes of perpendicular lines are opposite reciprocal: $m_{1}$ $m_{2}$ = - 1

~~~~~~~~~~~~~~~

The slope of a line through points (0, 7) and (2, 10)

$m_{1}$ = $\frac{10-7}{2-0}$ = $\frac{3}{2}$

Slope of perpendicular line through points (3, 5) and (k, 12) is $m_{2}$ = $-\frac{2}{3}$

or $m_{2}$ = $\frac{12-5}{k-3}$

$\frac{7}{k-3}$ = $-\frac{2}{3}$

2(k - 3) = - 21

k - 3 = - 10.5

<em>k = - 7.5</em>

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2 years ago