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igor_vitrenko [27]
3 years ago
13

Help please is for now

Mathematics
1 answer:
zmey [24]3 years ago
3 0
Answer: 5

Steps:
5x - 2y = 30
5(8) - 2y = 30
40 - 2y = 30
-2y = 30 - 40
-2y = -10
y = -10/-2
y = 5

I would appreciate the brainliest if this answer was correct and the steps were clear and helpful! :)
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The side lengths in yards of a triangle and a square are shown in the diagram. The perimeter of the triangle is equal to the per
Tatiana [17]

The value of x given the perimeter of the square is 6.

<h3>What is the value of x?</h3>

The first step is to determine the perimeter of the square.

Perimeter of the square = 4 x length

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The perimeter of the triangle is equal to the sum of the three side lengths

2x + 4x - 2 + 2x + 14 = 10x

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2 years ago
HELPPP ME ASAPPPP PLEASEEE!!
kaheart [24]

y = 90°

Solution:

The reference image for the answer is attached below.

The sum of opposite interior angles is equal to the exterior angles.

m∠BAC + m∠ACB = 110°

m∠BAC + 70° = 110°

m∠BAC = 110° –  70°

m∠BAC = 40°

m∠BAD + m∠DAC = 40°

x + x = 40°

2x = 40°

Divide by 2 on both sides of the equation.

x = 20°

In triangle DAC,

Sum of all the angles of a triangle = 180°

m∠DAC + m∠ACD + m∠CDA = 180°

20° + 70° + m∠CDA = 180°

90° + m∠CDA = 180°

m∠CDA = 180° – 90°

m∠CDA = 90°

∠CDA and y lies on the straight line. So they form a linear pair.

y + m∠CDA = 180°

y + 90° = 180°

y = 180° – 90°

y = 90°

The value of y is 90°.

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2 years ago
Find the coordinates of the midpoint of HX given that H(-1,3) and X(7,-1).
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3 years ago
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Answer:

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