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noname [10]
3 years ago
15

Which function is a quadratic function? F(x) =2x^2, g(x) =5x^3,k(x)=-x,b(x)=-9x^4

Mathematics
1 answer:
Katen [24]3 years ago
5 0

Answer:

F(x)=2x^2

Step-by-step explanation:

Basically, a quadratic function has x^2 in it (standard form ax^2+bx+c with non-zero a). The others have x^3, -x, x^4, etc., which clearly are NOT x^2.

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for every girl taking classes at the martial arts schools there are 3 boys who are taking classes at the school. if there are 23
Yuliya22 [10]

You have to be very careful how you set this up. For every girl (who counts as 1) there are 3 boys (who count as 3). The total number in the proportion is 3 + 1 =4. You are given a total, but that is both boys and girls. That's why you need the 4.

3/4 = x / 236 Cross multiply

4x = 3 * 236

4x = 708 Divide by 4

x = 708/4

x = 177

There are 177 boys at the school and 236 - 177 = 59 girls.

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3 years ago
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2 years ago
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zepelin [54]

Answer:

19/25 * 100 = 76%

Step-by-step explanation:

3 0
3 years ago
Which is the approximate measure of this angle? <br> a. 30° <br> b. 80° <br> c. 120° <br> d. 150°?
Simora [160]
I think the answer is D 150 degrees
7 0
3 years ago
How do you solve 2.95/6 = x/50
IRINA_888 [86]

Answer:

x=24.583

Step-by-step explanation:

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6 0
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