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dsp73
3 years ago
10

Help!

Mathematics
1 answer:
Galina-37 [17]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Note:

1 gal = 4 quarts

1 pint = 0.5 quart

Re-writing all the choices in dollars and quarts and calculating how much each quart costs

A)  $1 per 1 quart

B)  $2 per gallon = $2 per 4 quarts = $2 ÷ 4 quarts = $0.50 per quart

C)  $1.50 per 2 quarts = $1.50 ÷ 2 quarts = $0.75 per quart

D)  $0.50 per 1 pint = $0.50 per 0.5 quart = $0.50 ÷ 0.5 quart = $1 per quart

If you compare all of the above, it is clear that answer B ($0.50 per quart) is the cheapest rate and hence the best deal.

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Here is what you have to take into account:
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3 years ago
Julio is training for a swimming race. The first part of his training schedule is shown. Session 1 2 3 456 Swimming distance (mi
Volgvan

An arithmetic sequence is a sequence in which the difference between each consecutive term remains same (constant).  

The explicit formula for an arithmetic sequence is A_n=a+(n-1)d, where a is first term of sequence, d is the common difference between consecutive terms.

A) We can see from Julio's swimming distance that it is in arithmetic sequence as after every successive training session Julio's swimming distance increased by 0.30 miles.  

0.55-0.25=0.30

0.85-0.55=0.30

1.75-1.45=0.30

Therefore, we can see that Julio's training schedule is an arithmetic sequence.

B) Let us find Julio will take how many days to swim 2.95 miles by using explicit formula.

A_n=a+(n-1)d

Let us substitute our given information in above formula.

2.95=0.25+(n-1)0.30

2.95=+0.25+0.30n-0.30

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2.95+0.05=0.30n

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6 0
3 years ago
Can I get help solve to find X?
Taya2010 [7]
<h3>Answer:  x = 14</h3>

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

Explanation:

The same tickmarks on each side of the triangle tells us that all three sides are the same length. This triangle is equilateral.

All equilateral triangles have each of their three angles at 60 degrees (they are considered equiangular). This is because 60+60+60 = 180.

Set 2x+32 equal to 60 and solve for x

2x+32 = 60

2x = 60-32

2x = 28

x = 28/2

x = 14

As a check,

2x+32 = 2*14+32 = 28+32 = 60

which helps confirm the answer.

3 0
3 years ago
Rafael is taking a test that contains a section of 12 true-false questions. How many of the possible groups of answers to these
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This is a combination problem. The formula would be:

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8 0
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