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Galina-37 [17]
3 years ago
15

the function a(b) relates The area of a trapezoid with a given height of 12 and one base length of 9 with the length of its othe

r base

Mathematics
2 answers:
gtnhenbr [62]3 years ago
3 0
Solving for b, we have the equation A(b)=12*(b+9)/2 - we cancel out 12 and the 1/2 to get 6(b+9)=A(b) and get 6b+54=A(b). Subtract 54 from both sides to get 6b=A(b)-54 and divide both sides by 6 to get b=A(b)/6-9 = A
Nutka1998 [239]3 years ago
3 0

Answer:

a apex

Step-by-step explanation:

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balandron [24]

Answer:

Which phrases can be used to represent the inequality 12-3x≥9? Check all that apply. (multi choice)

<u> A Twelve less than three times a number is greater than or equal to nine. </u>

B Twelve less than three times a number is at least nine.

C Twelve less three times a number is at least nine.

D Twelve minus the product of three and a number is no more than nine.

E Twelve less three times a number is at most nine.

F Twelve minus the product of three and a number is no smaller than nine.

G Twelve minus the product of three and a number is larger than nine.

Step-by-step explanation:

12 - 3x>=9

8 0
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Slope-intercept form:  y = mx + b  [m is the slope, b is the y-intercept or the y value when x = 0  --->  (0, y) or the point where the line crosses through the y-axis]

For a line to be perpendicular to another line, the slope has to be the negative reciprocal of the original line's slope.

For example:

Slope(m) = \frac{1}{2}

Perpendicular line's slope: -\frac{2}{1}   or -2         [positive to negative]

m = -\frac{3}{1}  or  -3

Perpendicular line's slope: \frac{1}{3}        [negative to positive]

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m = -1         So the perpendicular line's slope is 1, now plug it into the equation

y = mx + b

y = x + b     To find b, plug in the point (3, 1) into the equation

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1 - 3 = 3 - 3 + b

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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