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ira [324]
2 years ago
6

Cam you help me with my math prob

Mathematics
1 answer:
marissa [1.9K]2 years ago
8 0

It should be letter D positive 1

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Use the greatest common factor and the distributive property to rewrite this addition problem as the multiple of a sum of two nu
BartSMP [9]
Your answer is doing to be 45
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2 years ago
Expand 5(2x-4) please please
kotykmax [81]

Answer:

10x - 20

Step-by-step explanation:

<em>Distribute 5 </em>to <em>each</em> of the terms within the parentheses to get 5(2x) - 5(4) = 10x - 20.

7 0
2 years ago
Write a verbal expression to represent the given equation,<br> X - 25 = 3
dexar [7]
A number (X) minus 25 is equal to three.
4 0
2 years ago
Could anyone help me with this question? Thank you!
shutvik [7]

Answer:

C

Step-by-step explanation:

We want to simplify the rational expression:

\displaystyle \frac{n^4-11n^2+30}{n^4-7n^2+10}

First, we can factor both the numerator and the denominator. This yields:

\displaystyle =\frac{(n^2-6)(n^2-5)}{(n^2-2)(n^2-5)}

Cancel like terms:

\displaystyle =\frac{(n^2-6)}{(n^2-2)}

However, since we canceled a term from our expression, we must place restrictions in order to stay true to the original expression.

Rational expressions are undefined whenever the denominator equals 0. The denominator is (before canceling):

(n^2-2)(n^2-5)=0

Solve for n. By the zero product property:

n^2-2=0\text{ and } n^2-5=0

Therefore:

n^2=2\text{ and } n^2=5

By taking the square root of both sides (since we are taking an even root, it is required to have plus/minus):

n=\pm\sqrt{2}\text{ and } n=\pm\sqrt5

Therefore, our fully simplified expression is:

\displaystyle \frac{n^2-6}{n^2-2}\, ,n\neq \pm\sqrt5, \pm\sqrt2

Hence, our answer is C!

4 0
2 years ago
Describe how to write 3,482,000,000 in scientific notation in words
Juliette [100K]
Take all the non-zero digits and separate them from the zeros.
Then with zeros, how many are there?
Then multiply non-zero digits and zeros in powers.
3.482 * 10^6
3 0
3 years ago
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