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Lera25 [3.4K]
3 years ago
14

Which fraction is equivalent to -3/7 3/-7 -3/-7 -7/3 7/3

Mathematics
1 answer:
Aneli [31]3 years ago
8 0
3/-7 is the correct answer
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When the square of a certain number is diminished by 9 times the number the result is 36?
ArbitrLikvidat [17]
X²-9x=36
minus 36 both sides
x²-9x-36=0
what 2 numbers multiply to -36 and add to -9
-12 and 3
(x-12)(x+3)=0
set to zero
x-12=0
x=12

x+3=0
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Rafael counted a total of 40 white cars and yellow cars there are nine times as many white cars as yellow cars how many white ca
natta225 [31]
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Help me on this . It’s important
bixtya [17]

Answer:

The answer is 16.

Step-by-step explanation:

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3 years ago
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Consider the function below. f(x) = ln(x4 + 27) (a) Find the interval of increase. (Enter your answer using interval notation.)
andrezito [222]

Answer:

a) The function is constantly increasing and is never decreasing

b) There is no local maximum or local minimum.

Step-by-step explanation:

To find the intervals of increasing and decreasing, we can start by finding the answers to part b, which is to find the local maximums and minimums. We do this by taking the derivatives of the equation.

f(x) = ln(x^4 + 27)

f'(x) = 1/(x^2 + 27)

Now we take the derivative and solve for zero to find the local max and mins.

f'(x) = 1/(x^2 + 27)

0 = 1/(x^2 + 27)

Since this function can never be equal to one, we know that there are no local maximums or minimums. This also lets us know that this function will constantly be increasing.

6 0
3 years ago
478000000000 in scientific notation
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Answer:

4.78 x 10^11

Here is the answer to your problem

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