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Basile [38]
3 years ago
8

Find the value of the missing side. Round your answer to the nearest hundredth

Mathematics
1 answer:
irina [24]3 years ago
4 0

Answer:

let, missing angle be x,

in right angle triangle

h²=p²+b²

x²=12²+16²

x²=144+256

x=√400

x=20

hope it helps.

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Please show work and be done soon
stich3 [128]

9514 1404 393

Answer:

  x = 22.5°

Step-by-step explanation:

Angle BED ≅ angle EBC = 6x, so angle BEA = 4x. The angles FEB and BEA form a linear pair, so we have ...

  4x +4x = 180°

  x = 22.5° . . . . . . divide by 8

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BED and EBC are "alternate interior angles" with respect to transversal BE crossing parallel lines DE and AC.

8 0
3 years ago
Does the point (–7, –7) satisfy the equation y = x?
Nataly_w [17]

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State the property that justifies the statement: If 4x + 9 = 15 and X=2y + 1,
GREYUIT [131]

Answer:

Substitution property of equality

Step-by-step explanation:

Given

4x + 9 = 15 and x = 2y + 1

Then

4(2y + 1) + 9 = 15

Required

State the property

From the list of options, (d) answers the question.

This is so because:

Substitution property of equality states that

If a = b then b = a

In other words, both can replace one another.

So if x = 2y + 1, then 2y + 1 can be substituted for x in 4x + 9 = 15

So:

4x + 9 = 15  becomes

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6 0
3 years ago
Find the missing lengths of the sides
dusya [7]

Answer:

a=9, c=19

Step-by-step explanation:

Aight so basically in 30, 60, 90 triangles there is a formula for the sides

the hypotenuse(the longest side)=2a

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and the middle child =a\sqrt{3}

Based on that we see that a is 9

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Jobisdone [24]
First step find a common multiple, e.g. 45 and subtract
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56y = 364
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Substitute into any equation
9x + 5(6.5) = 28
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9x = -4.5
x = -0.5

x = -0.5   , y = 6.5

6 0
3 years ago
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