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Nataly [62]
3 years ago
15

Somebody Help In This Homework!

Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0
Idek what that is...I’m 10
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You are planning a trip to Japan in the fall. You estimate that for two weeks, you will need $5,263 (This includes airfare, room
Gemiola [76]
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After 14 pay periods, you will have saved
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This is more than your estimated trip requirement.

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It’s t20=20

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2 years ago
-10(1+4n)-8 I NEED HELP PLSSSSSSS!!!
kirill [66]
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3 years ago
The area A, in square meters, of a rectangle with a perimeter of 60 meters is given by the equation A = 30w − w2, where w is the
Delvig [45]

Answer:

Step-by-step explanation:

The area is given in two ways:  1) as a formula:  A = 30w - w^2, and 2) as a specific numerical value:  A = 200 m^2.

Equating these, we get:

A = 200 m^2 = A = 30w - w^2

Rewriting this equation in the standard form of a quadratic function:

-30w + w^2 + 200 m^2 = 0

or  w^2 - 30w + 200 = 0, which in factored form is (w - 10)(w - 20) = 0.

Then w = 10 and w = 20.

The perimeter of the rectangle is P = 60 m, and this equals 2w + 2l.  Therefore, 30 m = w + l, or l = 30 - w.  

We have already found that w could be either 10 or 20.

If w = 10, then l = 30 - 10 = 20, and the perimeter would thus be:

P = 2(10) + 2(20) = 20 + 40 = 60.

This satisfies the constraints on w.

The width of the rectangle is 10 meters.  The length is 20 meters.

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3 years ago
A checking account had the following activity over a 2-day period : a withdrawal of $35.47, a deposit of $92.63, and a service c
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2 years ago
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