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3 years ago

How would I solve and answer these two questions? I'm having a hard time understanding them.

Mathematics

1 answer:

postnew [5]3 years ago

8 0

Answer:

The first one is either 88 feet or 90 feet

Step-by-step explanation:

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Inverse variation equation that relates x and y.

Natalija [7]

Answer:An inverse variation can be represented by the equation xy=k or y=kx . That is, y varies inversely as x if there is some nonzero constant k such that, xy=k or y=kx where x≠0,y≠0 .

Step-by-step explanation:

7 0

3 years ago

6. (5 points) What is 3loga + logb − logc written as a single logarithm?

Jobisdone [24]

Answer: $log(\frac{a^3b}{c})$

Step-by-step explanation:

You need to use the following Properties of Logarithms:

$1)m*log(a)=log(a)^m\\\\2)log(a)+log(b)=log(ab)\\\\3)log(a)-log(b)=log(\frac{a}{b})$

Given the following expression:

$3log(a) + log(b) - log(c)$

You can follow these steps in order to write it as a single logarightm:

- Apply the first property shown above:

$=log(a)^3 + log(b) - log(c)$

- Apply the second property:

$=log(a^3b)- log(c)$

- Finally, apply the third property:

$=log(\frac{a^3b}{c})$

4 0

3 years ago

Which of the following best represents the speed of Halley's comet when it is nearest to Earth?

Tasya [4]

I believe it would be A but i could be way off

8 0

3 years ago

Read 2 more answers

Someone help with this

Fantom [35]

Step-by-step explanation:

6x2 - x + 3 - (-5x2 + 10x - 1)

6x2 - x + 3 + 5x2 - 10x + 1

Solving like terms

11x2 - 11x + 4

5 0

3 years ago

What is 2/-4 simplified<br>

pickupchik [31]

Answer:

-0.5 is the answer I think

8 0

3 years ago

Read 2 more answers