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Licemer1 [7]
3 years ago
10

Hazhair bought 2 DVDs for $12.95 each. He spent $25 on magazines. Did he spend more on DVDs or magazines? How much more? Write e

quations to show your work.
Mathematics
1 answer:
marshall27 [118]3 years ago
3 0

Answer

5.9

12.95*2=25.9

25.9-20

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Is -9, -4, 1 and 6 arithmetic
ra1l [238]

Answer:

Yes. It is an arithmetic sequence.

Step-by-step explanation:

The sequence would be add 5 every time.

-9 + 5 = -4

-4 + 5 = 1

1 + 5 = 6

8 0
2 years ago
at the zoo, the yellow birds are fed 1/3 of a bag of seed each day. the blue birds get fed 1/4 as much as the yellow birds. how
agasfer [191]
1/12 is the answeris it ok
5 0
3 years ago
Solve by applying the counting principle. James is choosing a Four-digit Passcode for his smartphone. How many different Passcod
EleoNora [17]

Answer:

10k.

Step-by-step explanation:

1) if for the 1st position can be used 0-9 digits (10 digits), for the 2d - 0-9 digits, for the 3d - 0-9 digits and for the 4th - 0-9 digits, then

2) the required number of pwd is: 10*10*10*10=10⁴=10000.

4 0
1 year ago
A mining company estimates that the marginal cost of extracting x tons of copper ore from a mine is 0.6 + 0.008x, measured in th
Serhud [2]

Answer:

The cost of extracting the first 50 tons of copper is $151,000.

Step-by-step explanation:

Start-up costs of $150,000.

For the 50 tons of cooper.

C(x) = 0.6 + 0.008x

So

C(50) = 0.6 + 0.008*50 = 1

1 thousand dollars.

So

$150,000 + $1,000 = $151,000

The cost of extracting the first 50 tons of copper is $151,000.

8 0
2 years ago
Jina received a $70 gift card for a coffee store. She used it in buying some coffee that cost $7.51 per pound. After buying the
dem82 [27]

Answer: 3 pounds

Step-by-step explanation:

The equation can be set up according to slope form: y=mx+b where x represents cost per round.

$70 = $7.51x + $47.47

Subtract 47.47 to both sides: $22.53 = $7.51x

Divide both sides by 7.51: 3 = x

4 0
3 years ago
Read 2 more answers
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