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sergejj [24]
3 years ago
8

Find the area of the shape?

Mathematics
1 answer:
Dominik [7]3 years ago
7 0

Answer:

12π ≈ 37.7

Step-by-step explanation:

                      A = π*r² - π*r²/4

                      A = 3πr²/4

r = 4

                      A = 3π(4)²/4

                     A = 12π ≈ 37.7

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Naddik [55]
223.6 divided by 40 equals 5.59
7 0
4 years ago
Help please, id really appreciate it
Angelina_Jolie [31]

Answer:

Domain: [-2, 2]

Range: [-3, 3]

Step-by-step explanation:

Domain (x) is the left and right. Range (y) is the up and down.

It's a bracket if it is included, meaning, there is no gap or hole.

If it weren't included, it'd be a parentheses instead "( )". For example, if there was an open circle.

It would go to -infinty or +infinity if it were to go on forever, and that would be in parentheses.

EX: (-∞,∞) or (-∞, 8]

You can mix and match the brackets and parentheses depending on whether or not it touches/includes the number, like I've mentioned.

5 0
3 years ago
Mon wants to make 5 lbs of the sugar syrup. How much water and how much sugar does he need to make 75% syrup?
Julli [10]

Answer:

He needs 3.75 lbs of sugar and 1.25 lbs of water.

Step-by-step explanation:

Let x lbs be the amount of sugar in the syrup. Then 5-x lbs is the amount of water in this syrup.

Note

5 lbs - 100%

x lbs - 75%

Write a proportion:

\dfrac{5}{x}=\dfrac{100}{75}

Cross multiply:

100x=5\cdot 75\\ \\100x=375\\ \\x=\dfrac{375}{100}=3.75

So, he needs 3.75 lbs of sugar and 5 - 3.75 = 1.25 lbs of water.

7 0
3 years ago
I need help with what is x 4x=20
Elodia [21]

Answer:

5

Step-by-step explanation:

You are looking for x so what you are really looking for is what times 4 =20 and that is 5.

5x4=20

3 0
2 years ago
Read 2 more answers
How can I explain how to make a 3.5 into a fraction for Mt 10yr old?
stealth61 [152]
The number on the left side of the decimal, write it as a large, in this case, three. The number on the right side of the decimal, write as a small number. Then put a ten under the five, and divide the two with a line. A way to remember this is - Imagine you have 3 cookies. The .5 represents a half of a cookie. You need to have all ten parts of the cookie to make a whole cookie. You'd need 5 more pieces of cookie to make 4 cookies. Hope this helps.
8 0
3 years ago
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