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3 years ago

Can someone plz answer this not in decimals 17 divided by 1,569

Mathematics

1 answer:

nordsb [41]3 years ago

7 0

Answer:

in fraction from it is $\frac{17}{1569}$

Step-by-step explanation:

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Semicircles

Studentka2010 [4]

Answer:

The area of the shaded portion of the figure is $9.1\ cm^2$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The shaded area is equal to the area of the square less the area not shaded.

There are 4 "not shaded" regions.

step 1

Find the area of square ABCD

The area of square is equal to

$A=b^2$

where

b is the length side of the square

we have

$b=4\ cm$

substitute

$A=4^2=16\ cm^2$

step 2

We can find the area of 2 "not shaded" regions by calculating the area of the square less two semi-circles (one circle):

The area of circle is equal to

$A=\pi r^{2}$

The diameter of the circle is equal to the length side of the square

$r=\frac{b}{2}=\frac{4}{2}=2\ cm$ ---> radius is half the diameter

substitute

$A=\pi (2)^{2}$

$A=4\pi\ cm^2$

Therefore, the area of 2 "not-shaded" regions is:

$A=(16-4\pi) \ cm^2$

and the area of 4 "not-shaded" regions is:

$A=2(16-4\pi)=(32-8\pi)\ cm^2$

step 3

Find the area of the shaded region

Remember that the area of the shaded region is the area of the square less 4 "not shaded" regions:

$A=16-(32-8\pi)=(8\pi-16)\ cm^2$

---> exact value

assume

$\pi =3.14$

substitute

$A=(8(3.14)-16)=9.1\ cm^2$

8 0

3 years ago

Multiply 12 by the sum of 8 and "t"

Katen [24]

Mathematically, that is 12(8+t). Distribute the 12, and you get 96 + 12t, or 12t + 96.

3 0

3 years ago

What is 5 4/8 + 3 5/8 equal?

tatiyna

9 1/8
4/8+5/8=9/8=1 1/8
5+3=8
8+1 1/8=9 1/8

8 0

2 years ago

Read 2 more answers

If a coin tossed 300 times .Then the nearest expected number for the tail to appear is

Eva8 [605]

Step-by-step explanation:

I think you can solve this question now

8 0

2 years ago

1/5+1/4+2/5 this is adding fractions with unlike denominators what is the answer

attashe74 [19]

What you would do is change all the fractions to 20ths so they have a common denominator. For 1/5, you multiply 4x5 to get 20 in the denominator. Whatever you multiply on the bottom, you must do at the top. Do that for all fractions and you would get this:
4/20 + 5/20 + 8/20= 17/20 because denominator stays the same, add the values in the numerator.
ANSWER: 17/20

5 0

2 years ago