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aivan3 [116]
3 years ago
6

Find the area of the shaded region.

Mathematics
1 answer:
Fofino [41]3 years ago
4 0

Answer:

21.46 cm²

Step-by-step explanation:

So we need to find the r for the circle

r=10/4=5/2

so  the area of one circle is Ac=πr²

Ac=π(5/2)²=25/4π

and there are 4 of them: 25/4π*4=25π=78.54

the area of square is 10²=100

100-78.54=21.46 cm²

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Suppose a man offered to work for 30 days at the following salary: one cent for the first day two cents for the second day four
Ivahew [28]
It would be to little because it would only be 30 cents
8 0
4 years ago
A cylinder has a base radius of 4m and a height of 6m. What is its volume in cubic m,
BlackZzzverrR [31]

Answer:

301.4

Step-by-step explanation:

Volume of a cylinder=pi*r^{2}*h.  Assuming you want 3.14 for pi, we can substitue the 4m for r, 6 for h and 3.14 for pi.

V=3.14*4^{2}*6

V=301.44

Since you want to round to nearest tenths, the answer is 301.4

8 0
4 years ago
PLEASE HELP ME!!!! i dont get this at all
daser333 [38]
Just divide the number that is biggest by 2 and you should get the answers for example #1 10÷2=5, #2 1÷2=0.5 #3 0.01÷2=0.005
5 0
4 years ago
Simplify the square root of 61.
AURORKA [14]
Decimal form is 7.81
3 0
3 years ago
Can someone help me with this?​
Mariulka [41]

Answer:

1) 4+5=9.

2)  2+(-6)=-4

3)  -3+(-7)=-10

4)  (-7)+3=-4

5)  9+(-4)=5

6)  -1+4=3

7)  5+(-5)=0

8)  -3+(-6)=-9

Step-by-step explanation:

In the given number lines, rightarrows represent positive integers and leftarrows represent negative integers.

1)

In first number line we have two rightarrows.

Rightarrow from 0-4 = 4

Rightarrow from 4-9 = 5

So, required sum is 4+5=9.

Similarly,

2)

2+(-6)=-4

3)

-3+(-7)=-10

4)

(-7)+3=-4

5)

9+(-4)=5

6)

-1+4=3

7)

5+(-5)=0

8)

-3+(-6)=-9

8 0
3 years ago
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