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FrozenT [24]
3 years ago
15

Use the distributive property to find the product of the rational number. 5/2 (- 8/5 + 7/5)

Mathematics
1 answer:
Serjik [45]3 years ago
7 0

9514 1404 393

Answer:

  -1/2

Step-by-step explanation:

The factor outside parentheses multiplies each term inside.

  5/2(-8/5 +7/5)

  = (5/2)(-8/5) +(5/2)(7/5)

  = -8/2 +7/2 = -1/2

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Anton has a deck that is 890 cm by 2891 cm. If he wants to add 66 cm. how large would his deck be?
Aliun [14]

Answer:

The answer is 2,763,796 cm². Or 276.3796m², which is the footprint of a nice size house.

Step-by-step explanation:

890cm \times 2891cm = 2572990 {cm}^{2}

890 + 66 = 956

956cm \times 2891cm = 2763796 {cm}^{2}

4 0
3 years ago
A regular hexagon has a radius of 20in. What is the approximate area of the hexagon
Wittaler [7]

Answer:

A= 1038 in²....

Step-by-step explanation:

There are several ways to find the area of a regular hexagon

In a regular hexagon, split the figure into triangles.

Find the area of one triangle.

Multiply this value by six.

We will apply the formula of area of regular polygon:

A= 1/2r²nsin(360/n)

r = radius

n = number of sides of the regular polygon

We know that,

r= 20 in

n= 6

Now substitute the values in the formula:

A= 1/2(20)²(6)sin(360/6)

A= (20)²(3)sin(360/6)

A= (20)²(3)sin(60)

A=3*(20)² *√3/2

A= 1200 * √3/2

A= 600*√3

A= 1038 in²....

Therefore the approximate area of hexagon is 1038 in²....

8 0
3 years ago
Read 2 more answers
Two ratios that are equivalent to 7:10?
Vitek1552 [10]

Step-by-step explanation:

70:100 (They're related because 7 x 10 = 70 and 10 x 10 = 100)

14:20 (They're related because 7 x 2 = 14 and 10 x 2 = 20)

4 0
3 years ago
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3 Possible Solutions

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The figure below shows a rectangular prism with a height of h inches.
zubka84 [21]
All you have to do here is to mult. the area of the bottom face of the prism by the height, obtaining 56h cubic inches.
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3 years ago
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