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slega [8]
3 years ago
6

Please help!! Thank you

Mathematics
2 answers:
Svetlanka [38]3 years ago
8 0

Answer:

(4) -1

Step-by-step explanation:

f(pi/2) = 2(pi/2) =pi

g(f(pi/2)) = g(pi) = cos(pi) = -1

Verdich [7]3 years ago
7 0

Answer:

-1

Step-by-step explanation:

f(pi/2) = 2(pi/2) = pi

g(f(pi/2)) = g( pi) = cos (pi) = -1

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If 28 less than five times a certain number is 232. what is the number?
LuckyWell [14K]
Lets frame a eqn :

Number be x

5x - 28 = 232 \\ 5x = 260 \\ x = 52
so your answer is 52 !!
4 0
3 years ago
PLEASE HELP NOW LIKE LITERALLY. ILL GIVE BRAINLIST AND FULL STAR!!
zavuch27 [327]

Answer:

A= 3/2 B=2/5 C=5/5 (1) D=4/3 E=1/4 F=0 (?)

Step-by-step explanation:

rise over run, otherwise I don't know what you'd be inputting

3 0
3 years ago
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Graph the following sets of points on a number line. y ≥-9 or y ≤-2
Feliz [49]

Answer:

Y has to belong to the interval [-9,-2]

Step-by-step explanation:

-9≤y≤-2

4 0
3 years ago
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creativ13 [48]

Answer:

Each of these equations solves as 1, because each one of them is an instance of the same expression being divided by itself.

This will <em>always</em> give you a value of 1, as long as the denominator does not end up with a zero value.

Take for instance the third question:

\frac{p^4}{p^4}\\= p^4 \times p^{-4}\\= p^{(4 - 4)}\\= p^0\\= 1

This stands true with all three questions.

HOWEVER

I say this assuming that the 5 following the first brackets in the first question is meant to be an exponent, and not a multiple.  Given that the norm is to make any numeric multiples precede the brackets, I assume it is an exponent. and we're good.

It's not using superscript though, which could mean that they want it multiplied by five instead of raised to the power of.

If that's case, we can solve it the same way we solved question 20.  If the bases are the same, then when multiplying or dividing the terms, you can simply add or subtract the exponents respectively:

\frac{(4x + 2y)\times5}{(4x + 2y)^5}\\= 5(4x + 2y) \times (4x + 2y)^{-5}\\= 5(4x + 2y)^1 \times (4x + 2y)^{-5}\\= 5(4x + 2y)^{1 - 5}\\= 5(4x + 2y)^{-4}\\= \frac{5}{(4x + 2y)^{4}}

Again, this is probably not the correct answer for question 18, as that 5 is almost guaranteed to be meant as an exponent.  If it is instead a coefficient though, then this would be the answer to it.

8 0
3 years ago
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sergiy2304 [10]
(10 elements..........) 2^(10)<span>=<span>1024
</span></span><span>A discrete set with n elements has 2^n subsets. 2^n=1024 implies there are n=10 elements in this set. Any subset with 0 through n-1 elements is a proper subset of the set, as in each of those cases there exists at least one element of the set that is not in the subset, which is the requirement to be a proper subset. Therefore, we have 1023 proper subsets.</span>
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3 years ago
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