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OverLord2011 [107]
3 years ago
12

Find the value of x in the figure. A. 18 B. 33 C. 35 D. 41

Mathematics
1 answer:
kykrilka [37]3 years ago
3 0

Answer:

D 41

Step-by-step explanation:

remember, the sum of all angles in a triangle is always 180 degrees.

so, we have already 35 for one angle, that leaves 145 for the other two.

x + 2 + 2x + 20 = 145

3x + 22 = 145

3x = 123

x = 41

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Expanded Notation:

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3 years ago
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Vivek worked 35 hours and earned $385. At this rate, how many hours would it take him to earn $143?
earnstyle [38]
35 divided by 385 is 11. This means Vivek will earn $143 in 11 hours.
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the value of a collectible coin can be represented by the equation y=2x+9.74 where x represents the number of years that consuel
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Step-by-step explanation:

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4 0
3 years ago
the length of a rectangle is 5 less than twice the width.if the perimeter of the rectangle is 146,find the area of the rectangle
raketka [301]

Answer:

The area of the rectangle is 1222 units²

Step-by-step explanation:

The formula of the perimeter of a rectangle is P = 2(L + W), where L is its length and W is its width

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∵ The length of a rectangle is 5 less than twice the width

- Assume that the width of the rectangle is x units and multiply

   x by 2 and subtract 5 from the product to find its length

∴ W = x

∴ L = 2x - 5

- Use the formula of the perimeter above to find its perimeter

∵ P = 2(2x - 5 + x)

∴ P = 2(3x - 5)

- Multiply the bracket by 2

∴ P = 6x - 10

∵ The perimeter of the rectangle is 146 units

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- Equate the two expression of P

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∵ A = 47 × 26

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7 0
3 years ago
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Allushta [10]

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Step-by-step explanation:

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