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navik [9.2K]
3 years ago
6

Help please! Sorry about all the questions, I'm stuck.

Mathematics
2 answers:
OLEGan [10]3 years ago
6 0

Answer:

A

Step-by-step explanation:

any number divisible by 9 is also divisible by 3,because 3 is a factor of 9.

nalin [4]3 years ago
4 0

Let's use the process of elimination:

We know the bottom two are incorrect, because numbers that are divisible by 9  ARE divisible by 3.

Take 18 for an example. 18 is divisible by 3 (3 * 6 = 18), and 9 (9*2 = 18).

Some of the numbers that are divisible by 9 are also divisible by 3 isn't the best statement, because we know that all multiples of 9 are divisible by 3.

Now we have 2 of them.

I think it's the second one, because the first one doesn't explain the details between the relationship of 9 and 3 (as well as the second one).,

So I think it's the second from the top.

(A number that is divisible by 9 is also divisible by 3, because all factors of 9, are factors of 3.)

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3 years ago
Which statement best describes how to determine whether f(x) = 9- 4x4 is an odd function?
vitfil [10]

Answer:

Option C.

Step-by-step explanation:

Note: In the given function the power of x should be 2 instead of 4, otherwise all options are incorrect.

Consider the given function is

f(x)=9-4x^2

If f(-x)=f(x), then f(x) is an even function.

If f(-x)=-f(x), then f(x) is an odd function.

Now, substitute x=-x in the given function.

f(-x)=9-4(-x)^2

f(-x)=9-4(x)^2

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So, the given function not an odd function. It means it is an even function.

To check whether the given function is odd, we have to determine whether 9-4(-x)^2 is equivalent to -(9-4(x)^2).

Therefore, the correct option is C.

6 0
3 years ago
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Answer:

y=1/2x+3

Step-by-step explanation:

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Hopefully that helped :).

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2 years ago
Kate can mow lawns at a constant rate of 45 lawns per hour. How many lawns can Kate mow in 20 hours?
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Step-by-step explanation:

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