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snow_lady [41]
3 years ago
9

A plot of land is in the shape of a triangle. If one side is X meters, a second side Is (5x-2) meters and a third side is (7x-4)

meters, express the perimeter of the lot as a simplified expression in X.
Mathematics
2 answers:
lukranit [14]3 years ago
6 0
Perimeter = x + 5x - 2 + 7x - 4

=  13x - 6  meters answer
Anvisha [2.4K]3 years ago
4 0
P(x)=x+5x-2+7x-4
P(x)=13x-6

Hope this helps !

Photon
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A person on a moving sidewalk travels 40 feet in 8 seconds. The moving sidewalk has a length of 200 feet. How long will it take
beks73 [17]

Answer:

The man covers 200 ft in 40 seconds.

Step-by-step explanation:

A person is moving on the sidewalk from one end to the other end.

He walks 40 feet in 8 seconds.

Therefore his speed = \frac{distance covered}{time}

                                   = \frac{40}{8}

                                   = 5 ft/s^{2}

He covers the sidewalk distance at a rate of 5 feet every second.

To calculate the time taken to cover 200 ft,

time = \frac{distance to be covered}{speed}

time =\frac{200}{5}

<u>time  = 40 seconds</u>

Hence the man covers 200 ft in 40 seconds.

4 0
3 years ago
What is the ratio of rectangles to
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Hi! does the problem give any numbers
7 0
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Veronica has been saving dimes and quarters. She has 94 coins in all and the total value is $19.30. How many dimes and how many
Stolb23 [73]

Answer:

Step-by-step explanation:

d + q = 94.....d = 94 - q

0.10d + 0.25q = 19.30

0.10(94 - q) + 0.25q = 19.30

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q = 9.90/0.15

q = 66 <===== there are 66 quarters

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d + 66 = 94

d = 94 - 66

d = 28 <==== there are 28 dimes

3 0
3 years ago
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Explanation:

Any four sided polygon is considered a quadrilateral since "quad" means "four". You can think of a quad bike, which has four wheels, to help remember this math term.

Usually in problems like this, we'll be given information about if certain sides are parallel or the same length. However, we don't this info, so we cannot narrow down this classification anymore.

7 0
2 years ago
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Sin 30 = O/H = 1/2
So Sin 30 = 1/2
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2 years ago
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