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natulia [17]
3 years ago
14

A rectangle with perimeter 44cm is 2cm longer than it is wide what are the dimensions

Mathematics
2 answers:
ANTONII [103]3 years ago
6 0

Answer:

Step-by-step explanation:

I believe it 32

Schach [20]3 years ago
3 0

Answer:

P=2l+2w

We are given,  

P=40cm

l=2w+2

Plug these into the first formula and solve for the dimensions,

length and width, of the rectangle:

 

40=2(2w+2)+2w              Simplify

40=4w+4+2w

40=6w+4

36=6w

6=w OR the width is 6cm, therefore,  

the length is

l=2(6)+2

l=14cm

 

To calculate the area of a rectangle, A=lw,

plug the length,14cm, and the width, 6cm, into this formula

A=(14)(6)

A=84cm2 OR the area of the rectangle is 84cm2.

Step-by-step explanation:

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Tasya [4]
The answer will be A
6 0
3 years ago
A pharmaceutical testing company wants to test a new cholesterol drug. The average cholesterol of the target population is 200 m
Rom4ik [11]

Answer:

The required range is 237.5 to 275.

Step-by-step explanation:

Consider the provided information.

The average cholesterol of the target population is 200 mg and they have a standard deviation of 25 mg.

The the value of μ = 200 and the \sigma=25

The company wished to test a sample of people who fall between 1.5 and 3​ z-scores above the mean.

Let the value of z is 1.5.

Now use the z score formula: z=\frac{(x -\mu)}{\sigma}

Substitute the respective values in the above formula.

1.5=\frac{(x -200)}{25}

37.5=x -200

237.5=x

Now let the value of z is 3.

Substitute the respective values in the z score formula.

3=\frac{(x -200)}{25}

75=x -200

275=x

Hence, the required range is 237.5 to 275.

4 0
4 years ago
(Will give Brainly!! :) )
Vlad [161]

Answer:

196.48

Step-by-step explanation:

Area of the semi-circle:

A= (πr^2)/2

A= (3.14 x 64)/2

A= 100.48

Area of triangle:

A= 1/2bh

A= 1/2(16)(12)

A= 96

96 + 100.48= 196.48

brainliest pls

7 0
3 years ago
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The sum of two numbers is 21. The difference between them is 5. What are the two numbers?
Nata [24]

Answer: 13 and 8


Step-by-step explanation:

13+8=21

13-8=5

All I did was trial and error. Plus, it helps to set up an equation : x+x=21, x-x=5

5 0
4 years ago
Larry graphs the inequality x less-than negative 5 using the steps below. Step 1: Draw a number line, and place an open circle a
Yakvenalex [24]

Answer:

<h2>YOUR CORRECT ANSWER'S (D.)</h2>

Step-by-step explanation:

5 0
3 years ago
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