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Harman [31]
3 years ago
14

Solve for x A) -2 B) 2 C) -4 D) 4

Mathematics
1 answer:
shepuryov [24]3 years ago
4 0

Answer:

x= -2

Step-by-step explanation:

because it is interior working

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Logarithms- How to answer these questions?
kotykmax [81]

Answer:

2. m = b³ (= 216)

3. logp(x) = -4

Step-by-step explanation:

2. The given equation can be written using the change of base formula as ...

... log(m)/log(b) + 9·log(b)/log(m) = 6

If we define x = log(m)/log(b), then this becomes ...

... x + 9/x = 6

Subtracting 6 and multiplying by x gives ...

... x² -6x +9 = 0

... (x -3)² = 0 . . . . . factored

... x = 3 . . . . . . . . . value of x that makes it true

Remembering that x = log(m)/log(b), this means

... 3 = log(m)/log(b)

... 3·log(b) = log(m) . . . . . multiply by the denominator; next, take the antilog

... m = b³ . . . . . . the expression you're looking for

___

3. Substituting the given expression for y, the equation becomes ...

... logp(x^2·(p^5)^3) = 7

... logp(x^2) + logp(p^15) = 7 . . . . . use the rule for log of a product

... 2logp(x) + 15 = 7 . . . . . . . . . . . . . use the definition of a logarithm

... 2logp(x) = -8 . . . . . . . . . . . . . . . . subtract 15

... logp(x) = -4 . . . . . . divide by 2

6 0
3 years ago
Read 2 more answers
What are the prime numbers between 5/2 and 43/5?
Karo-lina-s [1.5K]

1 is the only prime number that will work.

Hope it helped!


4 0
2 years ago
I need more assistance :D Instructions: Using the image, find the distance between the points given on the graph.
lina2011 [118]

Answer:

I usually explain even in the answer.

So we use som\sqrt{x}ething called distance formula which is branched of Pythagorean theorem.

But we dont need to as it just makes it more complicated. We need to find split into 2 vectors, one vertical, and horizontal. The horizontal is 5 long.

The vertical is 1, you can find them by calculating how long is it and how tall.

Use pythogorean theorem from the formula and do 5^2+1^2 = c^2

25+1 = 26, so the answer is √26

I am pretty sure answer is right. Always take abolute value

<u>√26</u>

8 0
3 years ago
The temperature was -6°F. It rose so that the temperature was 0°F. What integers represents the change in temperature.
Flauer [41]

Answer:

+6

Step-by-step explanation:

Just do 0 -(-6).

3 0
3 years ago
I need help I need help on this question
TEA [102]

Answer: Option B

Step-by-step explanation:

8 0
3 years ago
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