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Aleks04 [339]
3 years ago
7

A = 100(1+r)^4 Expand the right of this formula. appreciate your help with an explanation

Mathematics
1 answer:
suter [353]3 years ago
4 0

Answer:

100r^4 + 400r^3 + 600r^2 + 400r + 100

Step-by-step explanation:

Expanding ( r + 1 )^4 gives :-

r^4 + 4r^3 + 6r^2 + 4r + 1

So multiplying 100 with r^4 + 4r^3 + 6r^2 + 4r + 1 gives :-

100r^4 + 400r^3 + 600r^2 + 400r + 100

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It's D. the median for town A, 30, is less than the median for town B, 40.

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3 years ago
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Novay_Z [31]

Answer: answers down below in the picture

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8 0
3 years ago
Read 2 more answers
Solve for x.
Daniel [21]

Answer:

x=-\frac{9}{4} \\ or \:\\x = -2\frac{1}{4}

Step-by-step explanation:

-2 (x + 1/4)+1=5\\\\-2\left(x+\frac{1}{4}\right)+1=5\\\\\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}\\\\-2\left(x+\frac{1}{4}\right)+1-1=5-1\\\\Simplify\\-2\left(x+\frac{1}{4}\right)=4\\\\\mathrm{Divide\:both\:sides\:by\:}-2\\\frac{-2\left(x+\frac{1}{4}\right)}{-2}=\frac{4}{-2}\\\\Simplify\\x+\frac{1}{4}=-2\\\\\mathrm{Subtract\:}\frac{1}{4}\mathrm{\:from\:both\:sides}\\\\x+\frac{1}{4}-\frac{1}{4}=-2-\frac{1}{4}\\\\Simplify\\x=-\frac{9}{4}\\\\x = -2\frac{1}{4}

4 0
4 years ago
Hello please help with the following i've been up all night i need help(SHOW WORK):
gladu [14]

1) 462/11= 42

  42x7=294

2) 9.38/7= $1.34

3) 6/11= 0.54545454545455

4) 1/4= 0.25

   2/9= 0.22222222222

   3/10= 0.30

   2/1= 2.00

   1/5= 0.20

   least to greatest- 1/5, 2/9, 1/4, 3/10, 2/1

5) 9/15= 0.6 > 60%

    to turn into a percent, move 2 decimal places!

6) 10/4= 2.5

    2.5x18= 45

7) 2/3= 0.66666666666

   0.66666666666x7= 4.66666666667

5 0
2 years ago
Pat's income is 20 % more than Adam. How much percent is Adam's income less than Pat's?
pantera1 [17]

Answer: 20%

Step-by-step explanation: The same number applies here. Think about it this way, let's say you have a friend named Sofia and she has 3 dollars more than you, how many dollars do you have less than Sofia? 3 dollars. That's the easiest way I can explain it.

4 0
3 years ago
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