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2 years ago

11

The perimeter of a rectangle is 45 inches. One side of the rectangle

2 answers:

arlik [135]2 years ago

7 0

Answer: 17.5*5=87.5

Step-by-step explanation:

olchik [2.2K]2 years ago

5 0

Perimeter of a rectangle = 2l + 2w

Since we know that l=5, we can say that:
2(5)=10

45-10=35 , which is the remaining perimeter aside from the 5-inch side lengths.

35=2w
w=17.5 inches

5*17.5=87.5 in^2

So, the area of the rectangle would be 87.5 in^2.

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alexandr402 [8]

Answer:

Option C

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Step-by-step explanation:

we have

$x^{2}-2x-11=0$

we know that

The formula to solve a quadratic equation of the form $ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2}-2x-11=0$

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$a=1\\b=-2\\c=-11$

substitute

$x=\frac{-(-2)(+/-)\sqrt{-2^{2}-4(1)(-11)}} {2(1)}$

$x=\frac{2(+/-)\sqrt{4+44}} {2}$

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8 0

3 years ago

Read 2 more answers

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marta [7]

Answer:

1. Option D.

2. Option A.

Step-by-step explanation:

1. You need to follow these steps in order to estimate the sum of $8.86 + 9.43 + 5.75$ :

Step 1: Add the digits in the ones places of the whole numbers (these are: 8, 9 and 5).

Step 2: Round the decimals to the nearest whole number:

$0.86\approx 1\\\\0.43\approx0\\\\0.75\approx1$

Step 3: Add them together:

$8+9+5+1+0+1=8+9+5+2=24$

2. The procedure to estimate the difference of $83.92-47.23$ is:

$83.92-\\47.23\\........\\40.00\\\ -4.00\\\ \ + 0.70\\-0.01\\...........\\+36.00\\+0\ 0.69\\..............\\36.69$

Rounded to the nearest whole number:

$36.69\approx 37$

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3 years ago

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melomori [17]

0.04444444444All you have to do is divide 2/3 by 3/5.

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3 years ago

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3 years ago

During practice, the Northwood football team drinks water from a cylindrical cooler that has a radius of 6 inches and a height o

bulgar [2K]

Answer:

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Step-by-step explanation:

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3 years ago

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