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Alex Ar [27]
2 years ago
11

I need help on this problem pls 13 - 2n = 7 - 3n

Mathematics
1 answer:
Mrrafil [7]2 years ago
6 0
13 - 2n = 7 - 3n
Answer: n = -6
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John's garden is 12ft long and 15ft wide. How<br> long is John's garden in yards?
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Answer:

4 yards long

Step-by-step explanation:

John's garden is 12 ft long and 3 ft go into a yard. With this information you then divide 12 by 3 to see how many yards would go into the 12. 12/3=4

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Which statement best describes how to determine whether f(x) = x2 – x + 8 is an even function? Determine whether –x2 – (–x) + 8
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B.

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FIRST PERSON TO ANSWER THIS CORRECTLY GETS BRAINLEIST
cupoosta [38]

Answer:

Nine less than twice a number 2x-9

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2 years ago
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Let f(x) = log(x). Find values of a such that f(kaa) = kf(a).
meriva

Answer:

a = k^{\frac{1}{k-2}}

Step-by-step explanation:

Given:

f(x) = log(x)

and,

f(kaa) = kf(a)

now applying the given function, we get

⇒ log(kaa) = k × log(a)

or

⇒ log(ka²) = k × log(a)

Now, we know the property of the log function that

log(AB) = log(A) + log(B)

and,

log(Aᵇ) = b × log(A)

Thus,

⇒ log(k) + log(a²) = k × log(a)         (using log(AB) = log(A) + log(B) )

or

⇒ log(k) + 2log(a) = k × log(a)            (using log(Aᵇ) = b × log(A) )

or

⇒ k × log(a) - 2log(a) = log(k)

or

⇒ log(a) × (k - 2) = log(k)

or

⇒ log(a) = (k - 2)⁻¹ × log(k)

or

⇒ log(a) = \log(k^{\frac{1}{k-2}})          (using log(Aᵇ) = b × log(A) )

taking anti-log both sides

⇒ a = k^{\frac{1}{k-2}}

3 0
3 years ago
PLEASE HELP ME PLEASE??
BigorU [14]

Answer:

Table A is correct

Step-by-step explanation:

All you have to do is multiply the hours by 5 to get the answer.

Table B is adding not multiplying.

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4 0
3 years ago
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