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3 years ago

Write a word problem that can be solved by ordering 3 decimals to thousand include a solution

Mathematics

1 answer:

IrinaK [193]3 years ago

6 0

Answer:

I have no clue but this was two years ago so hopefully you know the answer by now

Step-by-step explanation:

yes

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a norman window has the shape of a rectangle surmounted by a semicircle. if the perimeter of the window is 25 feet, express the

sp2606 [1]

The area of the window is $\frac{25x}{2} -(1 +\frac{\pi}{2} )\frac{x^2}{2}$

The shape of the Norman window is described as a rectangle surmounted by a semicircle.

Let 'x' be the width of the window.

Then this width corresponds to the diameter of the semicircle.

That is, radius of the semicircle = x/2

Now given the perimeter of the whole window = 25 ft

This perimeter is equal to the sum of 3 sides of the rectangle and the perimeter of the semicircle.

Perimeter of the semicircle = $\frac{2\pi r}{2} = \frac{\pi x}{2}$ , where r is the radius of the semicircle.

Now let 'y' be the length of the window.

Then sum of three sides of the window = 2y + x

So 2y + x + $\frac{\pi x}{2}$ = 25

Therefore, $y =( 25 - x - \frac{\pi x}{2} ) / 2$

Area of the window = Area of the semicircle + Area of the rectangle =

$\frac{\pi x^2}{8} +xy = \frac{\pi x^2}{8} + x( 25 - x - \frac{\pi x}{2} ) / 2\\ = \frac{\pi x^2}{8} + (25x - x^2 - \frac{\pi x^2}{2} ) / 2$

So Area of the window = $\frac{25x}{2} -(1 +\frac{\pi}{2} )\frac{x^2}{2}$

Learn more about area of circle and rectangle at brainly.com/question/4694841

#SPJ4

7 0

2 years ago

Dr. Jon planned to reward his class with candy because everyone got a A on the test. He surveyed every 4th student that entered

USPshnik [31]

This is an example of a systematic sample.

Dr. Jon developed a system in order to get a random sample. His plan was to survey the 4th student that entered his classroom.

8 0

3 years ago

Brainliest if correct

densk [106]

Answer:

u⁷

Step-by-step explanation:

When multiply variables with exponents , all you do is add the exponents

so,

our powers are 3,3,1 (because no exponent means to the power of 1)

Adding the powers is 7

so u⁷

6 0

2 years ago

Read 2 more answers

Find the GCF of 6,36

Ksju [112]

Answer:

Okay, so the answer would be 6. please let this be the brainliest.

Step-by-step explanation:

Find the prime factorization of 36

36=2x2x3x3

gcf-2x3

7 0

3 years ago

11x+7y=49 in y=mx+b format

Korolek [52]

7y=49-11x
y=7-11x/7

y=-11x/7+7
I think?

4 0

3 years ago

Read 2 more answers