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disa [49]
3 years ago
6

3 1/4 divided by 1 1/4 =

Mathematics
2 answers:
gladu [14]3 years ago
6 0
Change to improper fractions
13/4 5/4
keep the first fraction the same
Change sign to multiply
Flip second fraction
13/4 x 4/5 = 52/20
change back to mixed fraction
2 12/20
Vladimir [108]3 years ago
4 0

Answer:

2.6, 2 3/5, 2 6/10

Step-by-step explanation:

2.6 as a fraction is 2 3/5. When you read the decimal 2.6, it is read as ''2 and 6 tenths. '' This can also be written as a mixed number of 2 6/10.

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A rectangle and a square have the same area. The length of the rectangle is seventy feet more than two times its width. The leng
Zanzabum

Using the side of the square find the area:

Area = 30^2 = 900 square feet.

The rectangles area is the same, 900 square feet.

Let the width = X

The length would be 2X + 70

Area = length x width

X * 2x+ 70 = 900

This expands to 2x^2 * 70x = 900

Use the quadratic formula to solve for x:

-70 +/- sqrt(70^2-4*2(-900))/2*2

X = 10

Width = x = 10 feet

Length = 2x + 70 = 90 feet

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2 years ago
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Step-by-step explanation:

1)

Hypotenuse2 = Perpendicular2 + Base2

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therefore,

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2 years ago
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7nadin3 [17]

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C.

Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

This event that's taking place is happening twice. The event is the mail getting delivered. It's happening two times. Luckily, you already know the probability of it happening once. Because it happens twice, you just square it. (0.9)^2. 0.81 chance of it happening in two consecutive days.

8 0
3 years ago
Read 2 more answers
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Marysya12 [62]

In general, nCr = n! / r! (n-r)!

Here, 7C3 = 7! / 3!(7-3)!

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=35x24 / 24

=35

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3 years ago
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