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kvv77 [185]
2 years ago
15

What is the value of the x and the y? -3x-7y=-63

Mathematics
1 answer:
PIT_PIT [208]2 years ago
4 0

Step-by-step explanation:

-3x - 7y = -63

-(3x + 7y) = -63

3x + 7y = -63/-1

3x + 7y = 63

Value of x

3x + 7y = 63

3x = 63 - 7y

x = (63 - 7y)/3

Value of y

3x + 7y = 63

7y = 63 - 3x

y = (63 - 3x)/7

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In the figure, three line segments cross at a common point. Angle A is 45°, and angle E is 85°. What is the measurement of angle
katen-ka-za [31]

Answer: Measure angle H = 42°


Step-by-step explanation:

"In a triangle, the measure of the exterior angle is equal to the sum of the measures of the two non-adjacent angles to the exterior angle"

In given we have,

angle E is an exterior angle to triangle DFH

The two non-adjacent angles to angle E are angles D and H

Based on the above rule,

measure angle E = measure angle D + measure angle H

We are given this:

angle E = 87°

angle D = 45°

Substitute with the givens in the above rule and solve for the measure of angle H as follows:

angle E = angle D + angle H

87° = 45° + measure angle H

measure angle H = 87° - 45°

measure angle H = 42°

Hope this helped!

5 0
2 years ago
i need to find the area of a rectangle using the formula A=b*h the height is 810 cm the base is 10 meters...i know i need to con
leva [86]

Answer:

81000cm^{2}  or   8.1m^{2}

Step-by-step explanation:

1m = 100cm

10m = 1000cm

a= b*h

a= 1000cm * 810cm

= 810000cm^{2}

1m^{2} = 10000cm^{2}

810000cm^{2} = 8.1m^{2}

7 0
3 years ago
A jewelry store sells necklaces in lengths that vary from 16 inches to 22 inches. Any necklaces outside of this criteria are rej
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Answer:

16-22

Step-by-step explanation:

3 0
3 years ago
What is the absolute value of -6
patriot [66]

Answer:

6

Step-by-step explanation:

Absolute value just means you make negatives into positives so it's just 6.

8 0
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4 0
2 years ago
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