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Virty [35]
3 years ago
6

A newspaper sells both paper and digital subscriptions. The newspaper reports that 1,800 total subscriptions were sold last mont

h and the total revenue from those subscription sales was $20,760. The digital subscriptions, d, cost $8 a month, and the paper subscriptions, p, cost $20 a month. Which of the following systems of equations could be used to solve for the number of each type of subscription that was sold by the newspaper last month?

SAT
1 answer:
grin007 [14]3 years ago
8 0

Answer:d+p=1800 8d+20p=20760

Explanation:

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Answer: See below

Explanation:

For this question, we are given the volume, and we want to find the diameter. We have to work backwards to get our radius, then to find the diameter.

V=\pi r^2h         (Volume of cylinder)

72\pi =\pi r^2h      (The π cancel out)

72 =r^2(8)        (Plug in h=8)

9=r^2              (Divide 8)

r=3               (Square root of 9 is 3)

Now that we have our radius, we can find our diameter.

d=2r             (Equation for diameter)

d=2(3)\\          (Plug in r=3)

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In which region would an archaeologist be most likely to find evidence of roman roads?.
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saharan africa

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. Roman roads are spread to northern Africa.

if the archeologist would go to sub Sahara Africa, he would be more likely to fijd the roads.

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~A certain rectangular prism has a height of h inches, a width that is 3 inches less than its height, and a length that is 4 inc
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Answer:

Volume = 480 cubic inches

Explanation:

We have the following relationships to work with

width w = h -3

length l = h + 4

area of base of prism a = l x w = 60  (1)

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Factoring the LHS we get

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h + 9 = 0 ==> h = -9

h - 8 = 0 ==> h = 8

Since h cannot be negative, h = 8 inches

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We do not have to calculate length and width separately, but if so,

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It is important for a novice entrepreneur to build positive relationships with customers so as to understand their requirements, resolve their problems.

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