3 years ago

Approximately 4/5 of U.S homeowners have a cell phone. what percent of homeowners do not have a cell phone

1 answer:

6 0

Divide 4 by 5 to get .8 Move the decimal two places to get 80%. There is 20% left so 20% percent of homeowners do not have a cell phone

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The cab ride for the dulles airport to the hotel was 15 miles. The total cost of the cab ride was $25.50. The cabbie charges $1.

natali 33 [55]

The total cost of the cab ride was $25.50. The cabbie charges $1.50 per mile the entire trip.

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3 years ago

The length of overline CD is 12 units. C^ prime D^ prime is the image of overline CD under a dilation with a scale factor of n.

Rufina [12.5K]

Answer:

A, D , and E

Step-by-step explanation:

We have that:

$\overline{CD} = 12 \: units$

$\overline{C'D'}$

is the image of CD after a dilation of scale factor n.

We use the relation between the image length and object length:

$\overline{C'D'} = n \times \overline{CD}$

Option A

If n=3/2, then

$\overline{C'D'} = \frac{3}{2} \times 12 = 3 \times 6 = 18 \: units$

This is true.

Option B

If n=4, then

$\overline{C'D'} = 4 \times 12 = 36 \: units$

This is false.

Option C

If n=8, then

$\overline{C'D'} = 8 \times 12 = 96 \: units$

This too is false.

Option D

If n=2, then

$\overline{C'D'} = 2 \times 12 = 24 \: units$

This is true

Option E

If n=3/4, then

$\overline{C'D'} = \frac{3}{4} \times 12$

$\overline{C'D'} = 3 \times 3 = 9 \: units$

This is also true.

4 0

3 years ago

What is the domain and range of the set of ordered pairs?

Delvig [45]

Answer:

D) would be the answer

Step-by-step explanation:

Domain is always the set of x-coordinates in the pairs and the range is always the set of y-coordinates in the pairs.

D: 7, -2, 4, -9, 0

R: 3, -2, 1, 0, 7

Put them in order from least to greatest.

D: -9, -2, 0, 4, 7

R: -2, 0, 1, 3, 7

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3 years ago

A newspaper reporter says that a company made 700,000 profit last year it says this was 12% more then the year before . Work out

Dmitriy789 [7]

Answer:

625000

Step-by-step explanation:

x+12%= 700000

x*1.12=700000

x=700000/1.12

x=625000

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2 years ago

Hank has 52 marbles. Divide them into 2 groups so that for every 6 marbles in the first group there are 7 marbles in the second

Vikki [24]

24 marbles in the first group

28 marbles in the second group

8 0

3 years ago