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jeka94
3 years ago
9

t=" log_{2}(x) = - 4" align="absmiddle" class="latex-formula">
WILL GIVE BRANIEST FOR LEGIT ANSWERS WITH WORK​
Mathematics
1 answer:
JulsSmile [24]3 years ago
3 0

Answer: x = 1/16

Step-by-step explanation:

Since the inverse of a Logarithm is an exponential function, we know that the final solution has to involve an exponential function somewhere in it.

1. log B(2) {x} = -4  || given

2. x = 2 ^ -4  || Logarithm rule that allows you to move the base of the logarithm to the base of the exponent on the other side. For example, if you had log B(5) {x} = 3, the base of 5 would move over to the other side and it would be raised to 3; x = 5^3.

3. x = (1) / (2^4) || Simplify. Use the negative exponent rule. This rule always leaves a numerator of 1, and a denominator of your exponent. In this case, it will be 2 ^ -4, so you will do 2^4 which is 16 and you will put that over 1. Resulting in your final answer of x = 1/16

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An object oscillates 4 feet from its minimum height to its maximum height. The object is back at the maximum height every 3 seco
bulgar [2K]

Answer:

y=2\text{cos}((\frac{2\pi}{3})t)

Step-by-step explanation:

We have been given that an object oscillates 4 feet from its minimum height to its maximum height. The object is back at the maximum height every 3 seconds. We are asked to find the cosine function that can be used to model the height of the object.

We know that standard form of cosine function is y = A\cdot \text{cos}(Bt-C)+D, where,

|A| = Amplitude,

Period = \frac{2\pi}{|B|},

C = Phase shift,

D = Vertical shift.

Since distance between maximum and minimum is 4, therefore, amplitude will be half of it, that is, A = 2.

Since objects gets back to its maximum value in every 3 seconds, therefore, period of the function is 3 seconds. We know that period is given by \frac{2\pi}{|B|}, therefore, we can write \frac{2\pi}{|B|}=3, therefore, B = \frac{2\pi}{3}.

We haven't been given any information about phase and mid-line, we can assume the values of C and D to be zero .

Therefore, our function required function would be y=2\text{cos}((\frac{2\pi}{3})t).

6 0
4 years ago
19. one step equations
Juli2301 [7.4K]
19. v/2 = 2 1/30

Turn mixed number(s) to improper fraction(s).
v/2 = 61/30

Multiply both sides by 10.
v/2 × 10 = 61/30 × 10

Simplify.
5v = 61/3

Divide both sides by 5.
5v ÷ 5 = 61/3 ÷ 5

Simplify.
v = 61/15

61/15 or if you want it as a mixed fraction, it would be 4 1/15.
3 0
3 years ago
What is mBCD. Please help. Quickly
Flauer [41]

Answer:

82°

Step-by-step explanation:

m÷ BAD + m÷ BCD = 180°

98° + m÷BCD = 180°

m÷BCD = 180° - 98°= <u> </u><u>8</u><u>2</u>°

6 0
3 years ago
PLEASE HELP ME!!!!!!!!
juin [17]
That would be 242 divided by the total number of people surveyed, or 242/1028.

4 0
4 years ago
Write words to match the expression. 3+(4×12)
I am Lyosha [343]

Answer:

multiply 4x12 and leave it inside the parenthesis, then multiply the 3 with 48


7 0
4 years ago
Read 2 more answers
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