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Illusion [34]
3 years ago
14

A rectangular parking lot has a perimeter of 500 feet. The width is 20 feet less than the length. Find the dimensions of the par

king lot.
Mathematics
1 answer:
Ket [755]3 years ago
3 0

Answer:

115ft and 135 ft

Step-by-step explanation:

L - length

W - width

If width is x ft, then length is (x+20)

Put all in perimeter formula

500= 2 times ((x+20)+x)

500= 2 times (x+20)+x)

500=2 times (2x+20)

500=4x+40

4x=500-40

4x=460

x=460/4

So width is 115 ft, then length is 115+20=135 ft

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What is 4,000/80 show your work
attashe74 [19]
Well you may already know that 8 x 5 = 40.

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3 years ago
Vectors a = (2, 4) , b = (−1, 2), and c = (c1, c2) all have the initial point at the origin, what are the coordinates of their t
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Answer:

A(2,4), B(-1,2). and C(c_1,c_2)

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\vec{p}=\binom{x}{y}-\binom{0}{0}\\\implies \vec{p}=\binom{x}{y}

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7 0
3 years ago
An architect notices that the scale on a blueprint he is using has been torn off. However, he sees that a 21.6-foot wall that ha
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4 0
3 years ago
Avery deposited $400 in an account that earned 2.47% interest compounded annually. She did not make additional deposits or withd
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Answer:

Amount ($451.9), Interest ($51.9)

Step-by-step explanation:

We need to use the formula of A = P(1 + \frac{r}{n})^n*t

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T = time in years

We have P = $400, r = 2.47%, n = 1 and t = 5 years.

Now lets plug it all in!

A = 400 (1 + \frac{0.0247}{1})^{1*5}

A = 400 * 1.0247^5

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Now we need to find the interest...

We will use A = P + I since A is 451.9 and P = 400

451.9 = 400 + I

I = 451.9 - 400

I = 51.9

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3 years ago
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