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Paul [167]
3 years ago
8

PLEASE HELP ME Find the area of the circle. Round your answer to the nearest hundredth.

Mathematics
1 answer:
krek1111 [17]3 years ago
5 0

Answer:

The area is about 10 in.

Step-by-step explanation:

3 x 3 = 9 rounded to 10

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Find the side length of X
7nadin3 [17]

Answer:

7√3

Step-by-step explanation:

We can use pythagoreans theorem to solve this

Since, we know one side, and the hypotenuse, we can solve for the other side.  

Pythagoreans theorem: a²+b²=c²

Where a and b are two sides, and c is the hypotenuse (the side opposite of the right angle)

In this triangle, 7 is the side, and 14 is the hypotenuse.

I will plug in the values into pythagoreans theorem, and then simplify:

a^{2}+b^{2} =c^{2} \\\\7^{2} +x^{2} =14^{2} \\\\49+x^{2} =196\\\\x^{2} =147\\\\x=\sqrt{147} \\\\x=\sqrt{49*3 }\\\\ x=\sqrt{7^{2} *3 }\\\\x=7\sqrt{3}

So x = 7√3

6 0
3 years ago
Which of the following are like terms?
SVETLANKA909090 [29]

Answer: D) 13y^25 and 2y^25

Like terms involve the same variables, and each of those variables must have the same exponents.

Another example of a pair of like terms would be 5x^3y^2 and 7x^3y^2. Both involve the variable portion "x^3y^2" which we can replace with another variable, say the variable z. That means 5x^3y^2 becomes 5z and 7x^3y^2 becomes 7z. After getting to 5z and 7z, it becomes more clear we have like terms.

5 0
3 years ago
Simplify please <br> (n^11)^2
Citrus2011 [14]

Answer:

n^22 (I love your profile picture by the way)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Question 21 on this pictured math sheet please. Have a great day!
Yuki888 [10]

Answer:

39

Step-by-step explanation:

f(x) = 2x - 1.....(1) \\ g(x) = 3x + 5....(2) \\ plug \: x = 5 \: in \: (2) \\ g(5) = 3 \times 5 + 5 = 15 + 5 = 20 \\  \therefore \: f(g(5)) = 2 \times 20 - 1 = 40 - 1 = 39 \\  \\   \huge \red{ \boxed{\therefore \: f(g(5)) =39}}

7 0
3 years ago
How to solve 3(4y+2)
weeeeeb [17]

Answer:

12y+6

Step-by-step explanation:

You have to use the distributive property and do 3 x 4y and 3 x 2 and you get 12y+6.

3 0
3 years ago
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