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Brut [27]
3 years ago
7

Which is equivalent to 80(1/4^x)

Mathematics
2 answers:
BabaBlast [244]3 years ago
4 0
20/x ???
(By simplifying)
elena55 [62]3 years ago
3 0
80/(4^x)? The question is confusing
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What is the equation of a sine function with an amplitude of 2 and a period of 4
antiseptic1488 [7]

Answer: C

Step-by-step explanation:

For this problem, we need to know the standard form of a sine function and the meaning of each part.

Standard form: y=asin[b(x-h)]+k

a=amplitude

b=period

h=phase shift

k=vertical replacement/shifting

Now that we know the standard form and the components, we know that we can forget about k and plug in 0 for h. This would leave us with y=asin[b(x)]. We know that the amplitude is 2, therefore, a=2. To find the period, you divide 2π by the given period. \frac{2\pi }{b} =\frac{2\pi }{4\pi } =\frac{2}{4} =\frac{1}{2}, therefore, b=1/2.

y=asin[b(x)]             [plug in a=2]

y=2sin[b(x)]             [plug in b=1/2]

y=2sin(\frac{1}{2}x)

Therefore, C is the correct answer.

7 0
2 years ago
Evaluate the expression<br> 8^2<br> -----<br> 8^4
gayaneshka [121]
8^2= 8 times 8 = 64

8^4= 8 times 8 times 8 times 8= 4,096
6 0
3 years ago
Using the lists below, match the economic system with the correct indigenous culture.
yanalaym [24]

Answer:

where is this from

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Simplify using log properties: −log1/100 <br> -10 <br> 2 <br> -2 <br> 1/2
Andreyy89

The answer is 2 .

simplify log(down)10 (1/100) : -2

apply log rule : -log(down)10 (100)

rewrite 100 in power-base form : -log(down)10 (10^2)

apply log rule again : -2log(down)10 (10)

apply one more time : -2*1

Multiply : -2

refine from -(-2) = 2

I hope this helps





5 0
3 years ago
Which ordered pair is a solution of the equation y = 4x? (1, 3) (-1, -4) (-4, -1) (1, -4)
Sphinxa [80]
(-4,-1) because -1 × 4= -4 and -4=y
4 0
3 years ago
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