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Viefleur [7K]
3 years ago
15

4 out of 5 U.S. homeowners have a cell phone.what percent of homeowners do not have a cell phone?

Mathematics
2 answers:
timama [110]3 years ago
7 0
Percent means parts out of 100
x/100=x%

4/5=x%
4/5=x/100
times 100 oth sides
400/5=x
80=x
80% do
100-do=do not have
100-80=20
answer is 20%
-BARSIC- [3]3 years ago
5 0
20%
4/5=0.8
Move the decimal twice to the right and you get 80.
Which equals 80%
Also percent equals 100.
Then you subtract 100 from 80 and get 20.
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Aaron is at a spot in his book where the page numbers of the two facing pages have a product of 1980 what are the two page numbe
Alona [7]
Basically you know that they are 2 consecutive numbers whose product is 1980. 
<span>n*(n+1)=1980 </span>
<span>n^2 + n - 1980 = 0 </span>
<span>(n -44)(n + 45)= 0 </span>
<span>n=44 </span>
<span>so the 2 page numbers is 44 and 45. </span>

<span>The faster way is just to take the square root of 1980 and since that is 44.497 you can conclude that the 2 numbers is below and above it (44, 45)</span>
5 0
2 years ago
Given the equation for the total surface area of a cylinder, solve for the height of the cylinder.
schepotkina [342]
H= (2pier^2)/ 2pier all subtracted by s so the last equation from the picture.
Hope it helps!
4 0
3 years ago
Read 2 more answers
A project has an initial cost of $60,000, expected net cash inflows of $14,000 per year for 9 years, and a cost of capital of 14
vredina [299]

Answer:

74

Step-by-step explanation:

60,000 + 14,000

ANS 14%

ANSWER: 74

6 0
3 years ago
I need the answer for number 6 please:)
Goshia [24]

Answer: 12.5

25 / 2 = 12.5

and so does

25 x .50 = 12.5

We are just cutting the price in half, or 50%.

Hope this helps you!

5 0
3 years ago
The graphs below have the same shape. What is the equation of the blue graph?
postnew [5]

Answer:

<h2>C. G(x) = (x - 1)² - 3</h2>

Step-by-step explanation:

f(x) + n - shift the graph of f(x) n units up

f(x) - n - shift the graph of f(x) n units down

f(x - n) - shift the graph of f(x) n units to the right

f(x + n) - shift the graph of f(x) n units to the left

===================================

Look at the picture.

The graph of F(x) shifted 1 unit to the right and 3 units down.

Therefore the equation of the function G(x) is

G(x)=(x-1)^2-3

4 0
3 years ago
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