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Dovator [93]
3 years ago
14

Please help!! Its a review and i need at least a 90!!

Mathematics
1 answer:
ANEK [815]3 years ago
4 0

Answer:

What grade is this.

Step-by-step explanation:

I think its the 3rd one

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Step-by-step explanation:

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the length of a rectangle exceeds its breadth by 4 cm. if the area of the rectangle is 96cm squared . find the length and breadt
olchik [2.2K]

Answer:

length=12; breadth=8

Step-by-step explanation:

l=w+4

w(w+4)=96

w²+4w-96=0

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Answer:

C

Step-by-step explanation:

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6 0
3 years ago
A map of the Orchid Hill Neighborhood is shown. The population of Orchid Hill Neighborhood is 360 people.
Lisa [10]

Answer:

(a) The area is 0.03 square miles

(b) The population density is 12000 people per square miles

Step-by-step explanation:

Given

See attachment for complete question

Solving (a): Area of Orchid Hill (in square miles)

The dimension of the neighborhood is 4 blocks by 3 blocks

Since each block are of the same dimensions

The area is calculated as:

Area = 4blocks * 3 blocks

If 20\ blocks = 1\ mile then:

1\ block = \frac{1}{20} mile

1\ block = 0.05mile

So, we have:

Area = 4blocks * 3 blocks

Area = 4 * 0.05 * 3 * 0.05

Area = 0.03mi^2

Solving (b): The population density of the neighborhood as people per square mile

From the question, we have:

People = 360

Area = 0.03mi^2 --- calculated

So, the population density is:

Density = \frac{People}{Density}

Density = \frac{360}{0.03}

Density = 12000

5 0
3 years ago
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