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Rom4ik [11]
3 years ago
12

I need help with this I’m stuck

Mathematics
1 answer:
IRINA_888 [86]3 years ago
3 0

Answer:

90 degrees

Step-by-step explanation:

have a good day!

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The length of a rectangle is one inch less than three times its width. If the perimeter of the rectangle is 54 inches, find the
CaHeK987 [17]

w - width

3w - 1 - length

54 in - perimeter

w + w + (3w - 1) + (3w - 1) = 8w - 2 - perimeter

The equation:

8w - 2 = 54      <em>add 2 to both sides</em>

8w = 56     <em>divide both sides by 8</em>

w = 7

3w - 1 = 3(7) - 1 = 21 - 1 = 20

<h3>Answer: The length = 20 in.</h3>
7 0
4 years ago
Please help me I’m super confused on this problem!
Lorico [155]

Answer:

m < amc = 54°

Step-by-step explanation:

< amb and < bmc are complementary angles whose sum equals 90°.

Therefore, to find the value of 2x°, we must first solve for x.

We can establish the following equality statement:

< amb + < bmc = < amc

< 2x° + (x + 9)° = 90°

Combine like terms:

2x° + x° + 9° = 90°

3x° + 9° = 90°

Subtract 9 from both sides:

3x° + 9° - 9° = 90° - 9°

3x = 81°

Divide both sides by 3 to solve for x:

3x/3 = 81°/3

x = 27°.

Since x = 27°, substitute its value into 2x° to find m < amc:

2x° = 2(27°) = 54°

Therefore, m < amc = 54°

Please mark my answers as the Brainliest, if you find this helpful :)

5 0
3 years ago
Assume current Federal Exemption is $3300.00. Bill Smith earns $37,500.00, is single; and the tax rate is 2 3/4 %. Calculate the
MatroZZZ [7]
Tax rate is 2+3/4=2.75%
Income taxable
37,500−3,300=34,200
Tax accrued
34,200×0.0275=940.5
3 0
3 years ago
Find the value of x in the given figure using properties of parallel lines.
marshall27 [118]

Answer:

x =42

Step-by-step explanation:

x and 138 are same side interior angles.  Same side interior angles are supplementary when the lines are parallel

x+138 = 180

x = 180-138

x =42

7 0
3 years ago
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The legs of a right triangle measure 8 feet and 15 feet. What is the length of the hypotenuse?
vova2212 [387]

Answer:

17

Step-by-step explanation:

Use the Pythogream theorm where c is the hypotenuse.

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4 years ago
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