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hichkok12 [17]
3 years ago
15

Solve and show all work: (−3)^2=

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
7 0
(-3)^2 = (-3)(-3) = 9
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If the measure of ABC is 57º, what is the measure of AB?
azamat

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114°

Step-by-step explanation:

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3 0
3 years ago
The expression 3(x - 9) is equivalent to....
MrMuchimi

Answer:

d

Step-by-step explanation:

3(x - 9)

3×x - 3×9

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3 0
3 years ago
Find the area lying above the x-axis and below the parabolic curve y = 4x -x2 A. 8 B. 16 C. 10 2/3 D. 8 1/3
dimaraw [331]
To find the area between the x-axis and the parabolic curve, take the integral of the area in which the curve is above the x-axis.
function of the graph is
y = 4x - x²
We can tell by the function (specifically -x²) that the parabola will point downward.
To find the domain in which y>0, let's find the roots (0's) of the function:
0 = 4x - x²
0 = x (4 - x) 
x = 0 or x = 4
Between x=0 and x=4, the curve is above the x-axis. To find the area of the graph, let's take the integral on this range:

First, take the antiderivative of 4x - x²:
2x² - (1/3) x³
Then, plug x=4 into the anti-derivative, and subtract the anti-derivative at x=0:
2(4)² - (1/3)(4³) - (0 - 0)
32 - 64/3
96/3 - 64/3 = 32/3 

Closest Answer is C) 10
7 0
3 years ago
In simplest form 1 3/10 x 18=
Murljashka [212]

Answer:

54/10 or 27/5

8 0
2 years ago
Read 2 more answers
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