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vazorg [7]
3 years ago
10

Find the value of X. I can't figure out what to do when one is at a right angle.

Mathematics
1 answer:
AnnyKZ [126]3 years ago
5 0

Answer:

x = 20

Step-by-step explanation:

Two lines are parallel. So, alternate interior angles are congruent.

x +8 + 6x - 58 = 90

7x - 50 = 90

        7x = 90 +50

       7x = 140

         x = 140/7

x = 20

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Ramon earns $1,735 each month and pays $53.10 for electricity.To the nearest tenth of a percent,what percent of Ramon’s earning
slavikrds [6]
Since $53.10 is a part of $1,735, you would write it as the fraction 53.10/1,735.

Dividing this, you get 0.0306.

To turn this in to a fraction, you multiply it by 100, making it 3.06%.

Since we’re rounding to the nearest tenth of a percent, our final answer would be 3.1%.
4 0
3 years ago
What is the volume of the pyramid below?
lilavasa [31]

Answer:

96m³

Step-by-step explanation:

Base area = 8×6/2 = 24 m²

Height = 12 m

Volume of a pyramid = 1/3 × Base area × Height

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Answered by GAUTHMATH

8 0
3 years ago
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The circumference of a circle is 3Ï€ in.
allsm [11]
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3 years ago
What is the rang y=-x2 - 2x + 3?​
Damm [24]

This is a downward facing parabola, so its range comes in the form

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We can find the x coordinate of the vertex using

x=-\dfrac{b}{2a}=-\dfrac{-2}{-2}=-1

And if we plug -1 in the equation we get the y coordinate of the vertex:

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5 0
4 years ago
Ivan draws PQR on the coordinate plane.
Ivahew [28]

Answer:

Perimeter of PQR = 37 units (Approx.)

Step-by-step explanation:

Using graph;

Coordinate of P = (-2 , -4)

Coordinate of Q = (16 , -4)

Coordinate of R = (7 , -7)

Find:

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Computation:

Distance between two point = √(x1 - x2)² + (y1 - y2)²

Distance between PQ = √(-2 - 16)² + (-4 - 4)²

Distance between PQ = 18 unit

Distance between QR = √(16 - 7)² + (-4 + 7)²

Distance between QR = √81 + 9

Distance between QR = 9.48 unit (Approx.)

Distance between RP = √(7 + 2)² + (-7 + 4)²

Distance between RP = √81 + 9

Distance between RP = 9.48 unit (Approx.)

Perimeter of PQR = PQ + QR + RP

Perimeter of PQR = 18 + 9.48 + 9.48

Perimeter of PQR = 36.96

Perimeter of PQR = 37 units (Approx.)

8 0
3 years ago
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