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faltersainse [42]
3 years ago
8

Simplify this expression. 4(9n-9) a. -10n+20 b. -10n+19 c. 36n-36 d. -8n+56

Mathematics
2 answers:
lesya692 [45]3 years ago
8 0
<span>4(9n-9)
= 4*9n -4*9 (distributive property)
= 36n -36

The correct answer is c. </span>36n -36~
luda_lava [24]3 years ago
4 0
C. If you multiply 4 times 9= 36n- 36(you have to multiply all the numbers in the parenthesis by the outside number.
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A. Is this an arithmetic sequence? How do you know?
pogonyaev

Answer:

a. Yes. The difference is common and equal to $1750

b. $1750

c. $20000 was initial investment

d. This is linear equation with start point of 20000 and slope of 1750:

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e. After another 10 years (on the top of 5 given) the investment will be:

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f. After 20 years the value of investment will be:

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7 0
3 years ago
Rewrite <img src="https://tex.z-dn.net/?f=%5Cfrac%7B200x%20-%20300%7D%7Bx%7D" id="TexFormula1" title="\frac{200x - 300}{x}" alt=
lord [1]

Answer:

We can rewrite this as \frac{200x}{x} + \frac{-300}{x}.

\frac{200x}{x} simplifies to 200 after eliminating x from the numerator and denominator and \frac{-300}{x} becomes -\frac{300}{x} so the final answer is 200 - \frac{300}{x}.

6 0
3 years ago
Find the Distance between points A and B: A (8, 12) B: (2, 4)
mote1985 [20]
ANSWER-the distance is (6,8)
if you set the equation up from 2-8=6 which is your x value and 4-12=8 is your y value it should also give you your Distance between the two points
4 0
2 years ago
1.
ElenaW [278]
Neither A nor B because there is repetition of X values
3 0
2 years ago
Read 2 more answers
I want to ask how to do n some concepts I m.not clear can u explain it thx
satela [25.4K]
I basically pick a couple random numbers for both variables and plug them in to see if they are true.
4 0
3 years ago
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