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rewona [7]
3 years ago
11

I need answer Immediately!!!!!!

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
7 0

Step-by-step explanation:

number of hours = more than 12

above 80= 16

total sat = 33

percentage above 80 = 16 / 33 * 100

= 48.48%

to the nearest whole number = 48%

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Why is it necessary to learn how to factor if you can just use the quadratic formula to solve quadratic equations?
xxTIMURxx [149]
Because u might need it in the real world.
4 0
3 years ago
Find the equation of the line that is perpendicular to y=-2x-9 and contains the points (8,-4)
avanturin [10]

The slope of the given line is -2, and since perpendicular lines have negative reciprocal slopes, the slope of the line we want to find is 1/2.

Substituting into point-slope form,

y+4=\frac{1}{2}(x-8)\\\\y+4=\frac{1}{2}x-4\\\\\boxed{y=\frac{1}{2}x-8}

6 0
1 year ago
What is the length of the segment with end points -3,4 and 5,4
Luda [366]

Answer:

8

Step-by-step explanation:

The distance or the length between two points can be computed using the formula:

d = \sqrt{(X_2-X_1)^2+(Y_2-Y_1)^2}

X₁ = x-coordinate of first point

X₂ = x-coordinate of the second point

Y₁ = y-coordinate of first point

Y₂ = y-coordinate of the second point

When we right down the coordinates of a point, we always start with the X and then the Y.

(X,Y)

You have the following coordinates or points

Point 1: (-3,4)

Point 2: (5,4)

Based on that we have the following given:

X₁ = -3

X₂ = 5

Y₁ = 4

Y₂ = 4

Now we just fill in the formula:

d=\sqrt{(X_2-X_1)^2+(Y_2-Y_1)^2}\\\\ =\sqrt{(5-(-3))^2+(4-4)^2}\\\\ =\sqrt{8^2 + 0^2}\\\\ =\sqrt{8^2} \\\\=8

7 0
3 years ago
The garden is circular in shape with a radius of 13 ft.
Sonbull [250]

Answer:

81.68

Step-by-step explanation:

7 0
3 years ago
Help out.........................................................................
solniwko [45]
3.4 = -13.6 - 3.4c + 1.7c
3.4 = -13.6 - 1.7c
1.7c = -13.6 - 3.4
1.7c = 17
c = 10
8 0
3 years ago
Read 2 more answers
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