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MakcuM [25]
3 years ago
13

Approximately 4/5 of u.s. homeworkowners have a cell phone.what percent of homeowners do not have a cell phone?

Mathematics
1 answer:
harina [27]3 years ago
3 0
So you need to get the fraction to a percentage. Divide 100 by 5 to see how much you need to multiply the 4 by. 100/5 is 20. So you times the 4 by 20 to get 80. 80% have a cellphone so simply minus 80 from 100 to get your answer of those who don't. Therefore the answer is 20.
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A town's population went from 25,800 to 42,600 in 15 years. What was the percent of changes?
melomori [17]
42,600 - 25,800 = 16800. That is the increase in 15 years.

You then calculate the increase as a percentage of the original population; 25,800.

16,800 / 25,800 * 100 = 65.11%
8 0
3 years ago
A new car is purchased for 22400 dollars. The value of the car depreciates at 11% per year. To the nearest tenth of a year , how
m_a_m_a [10]

Answer:

t= 12.9 years

Step-by-step explanation:

Value after t years = initial value ( 1 - r )^t

Where,

Value after t years= $5000

Initial value = $22,400

r= depreciation rate = 11%

t= length of time (years)

Value after t years = initial value ( 1 - r )^t

5000 = 22,400 ( 1 - 0.11)^t

5000 = 22,400(0.89)^t

Divide both sides by 22,400

(0.89)^t = 5000 / 22,400

(0.89)^t = 0.2232

Take the log of both sides

t log 0.89 = log 0.2232

t= log 0.2232 / log 0.89

= -0.6513 / -0.0506

= 12.87

t= 12.9 years

5 0
3 years ago
Paul wants to build this model with clay but he does not know how many cubic centimeters of play to purchase how much play shoul
WITCHER [35]
There isn't a picture so I can't see the model to help you.
7 0
3 years ago
Help me!!!! im having trouble!!! it's really easy!
Lera25 [3.4K]

tsp c pt qt gal C

Hope this helps

5 0
3 years ago
Read 2 more answers
HELPPPPPPPP TQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
viva [34]

Answer:

Area = 120

Step-by-step explanation:

Triangle formula:

\frac{1}{2}(b x h)

Given:

\frac{1}{2}(10 x 24)

Multiply 10 and 24 to get 240.

10 x 24 = 240

Divide 240 and 2 to get 120.

240 ÷ 2 = 120

So answer is 120.

3 0
3 years ago
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