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3 years ago

5

Norma has 9 pies to divide among 4 friends.How many pies will each friend receive if all of the pies must be used and can be div

ided into smaller parts?

1 answer:

Romashka [77]3 years ago

8 0

Answer:

2.25

Step-by-step explanation:

9 divided by 4 is 2.25 hope this helped!

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A farmer has a 100 ft by 200 ft rectangular field that he wants to increase by 15.5% by cultivating a strip of uniform width aro

Advocard [28]

Answer:

(a) The strip should be 5ft wide

(b) The strip around the outside field is 10ft wide.

Step-by-step explanation:

Given:

Length of the rectangular field, L= 200 ft

width of the rectangular field, w = 100 ft

Area of the rectangular field, A = 200ft x 100ft = 20000 ft^2

let the width of the strip = x

The strip around the outside field = 2x

If the field is increased by 15.5%

New area of the field = 1.155 x 20000 = 23,100 ft^2

The increase in area of the field = 3,100 ft

3,100 = New area of field - old area of the field

3100 = (200 + 2x)(100 + 2x) - 20000

3100 = 20000 + 400x 200x + 4x^2 - 20000

3100 = 600x + 4x^2

Divide through by 4

775 = 150x + x^2

x^2 + 150x - 775 = 0

Factorize

(x + 155)(x-5) = 0

x = 5 ft

The strip should be 5ft wide.

The strip around the outside field = 2 x 5 ft = 10 ft

Thus, the strip around the outside field is 10ft wide.

3 0

3 years ago

What is the area of the acute triangle given below?<br> A.18<br> B.72<br> C.36<br> D.26

Temka [501]

Hi there!

Area of a triangle: 1/2bh

Substitute 6 for h and 12 for b.

1/2(12)(6)

Multiply (12)(6).

1/2(72)

Divide 72 by 2.

36

C) 36 sq. units

Hope this helps!

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4 years ago

a man buys a dozen cameras for $1800. He sells them at a profit of $36 each. Express his profit as a percentage of his selling p

Helga [31]

First of all, we need to deduce the price of a single camera:

$\dfrac{1800}{12}=150$

Now, we know that he profits 36 dollars from each camera. So, we are asking: which percentage of 150 is 36? We have

$36 = 150\cdot\dfrac{x}{100}$

This equation literally says: 36 is x-percent of 150. And we need to solve for x:

$x=\dfrac{36\cdot 100}{150} =24$

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3 years ago

Danielle will use the instructions in the box below to make a cleaning solution I

melisa1 [442]

The answer is, A. 13/2 = w/5

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3 years ago

Need help please ? I don't understand

Oxana [17]

Shade in 3 boxes and 59 little cubes and there ya go!

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3 years ago

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