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hram777 [196]
3 years ago
11

Mrs. Morton has a special reward system for her class. When all her students behave well, she rewards them by putting 3marbles i

nto a marble jar. When the jar has 100 marbles or more, the class has a party. Right now, the jar contains 24 marbles.
Mathematics
1 answer:
storchak [24]3 years ago
4 0
This is a statement, not a question. 76 marbles are needed for another party if that's the question ;)
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Answer:

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Harlamova29_29 [7]

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Step-by-step explanation:

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3 years ago
A rectangle with a length of L and a width of W has a diagonal of 10 inches. Express the perimeter P of the rectangle as a funct
KatRina [158]
<h2>Answer:</h2>

The expression which represents the perimeter P of the rectangle as a function of L is:

          Perimeter=2(L+\sqrt{100-L^2})

<h2>Step-by-step explanation:</h2>

The length and width of a rectangle are denoted by L and W respectively.

Also the diagonal of a rectangle is: 10 inches.

We know that the diagonal of a rectangle in terms of L and W are given by:

10=\sqrt{L^2+W^2}

( Since, the diagonal of a rectangle act as a hypotenuse of the right angled triangle and we use the Pythagorean Theorem )

Hence, we have:

10^2=L^2+W^2\\\\i.e.\\\\W^2=100-L^2\\\\W=\pm \sqrt{100-L^2}

But we know that width can't be negative. It has to be greater than 0.

Hence, we have:

W=\sqrt{100-L^2}

Now, we know that the Perimeter of a rectangle is given by:

Perimeter=2(L+W)

Here we have:

Perimeter=2(L+\sqrt{100-L^2})

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4 years ago
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5 0
3 years ago
Read 2 more answers
Thank u so much if u can get me the answers and the work for them. :)
Licemer1 [7]
6. Answer: B
Length of 1 side is 6
Perimeter is 6×6 = 36
5 times larger
Length of one side 6×5 = 30
Perimeter is the 30×6 = 180
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7. Answer: H
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22 × 10ft = 220 feet

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= 27 + 12
= 39 ft^2

9. Answer: C
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3 years ago
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