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AlexFokin [52]
3 years ago
9

Hillary paid $8 for 12 donuts. What is the approximate unit cost of each donut​

Mathematics
1 answer:
nalin [4]3 years ago
4 0

Answer:

$0.67

Step-by-step explanation:

Divide 8(dollars) by 12 (donuts) and you get  0.66666666666666666666666666666667

But, round it and you get .67

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Vera_Pavlovna [14]
[-5]<[-6] is the answer
6 0
3 years ago
It has been said that newspapers are disappearing, replaced by various electronic media. In 2004, newspaper circulation (the num
shutvik [7]

Answer:

A. y=-1.2x+59

B. 42.2 million

Step-by-step explanation:

Part A:

Given:

Newspapers circulated in year 2004, y_{1}=59\textrm{ million}

Newspapers circulated in year 2014, y_{2}=47\textrm{ million}

Let the time x start at the year 2004. So, x_{1}=0

For the year 2014, x_{2}=2014-2004=10

Therefore, linear relationship between newspapers circulated and time passed since 2004 is given as:

y-y_{1}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}(x-x_{1})\\y-59=\frac{47-59}{10-0}(x-0)\\y-59=-\frac{12}{10}x\\y=-1.2x+59

Therefore, the equation describing the relationship is: y=-1.2x+59

Part B:

For the year 2018, x=2018-2004=14

Plug in 14 for x in the above equation and solve for y. This gives,

y=-1.2(14)+59\\y=-16.8+59\\y=42.2

Therefore, in the year 2018, the newspaper circulation will be 42.2 million.

8 0
3 years ago
If r+s/r =3 and t+r/t =5, what is the value of s/t ? (A) 12 (B) 35 (C) 4 (D) 8 (E) 16
Leno4ka [110]

Answer:

The answer of this question is (D) 8

3 0
3 years ago
A machine salesperson earns a base salary of $40,000 plus a commission of $300 for every machine he sells. Write an equation tha
elixir [45]

Answer:

40,000+300×

Step-by-step explanation:

300× × + the 40,000

8 0
3 years ago
Tell whether x and y are in a proportional relationship. Explain<br> your reasoning.
notsponge [240]
No because they 90 to 200 is 110 but 200 to 325 is 125

110 obviously does not equal 125
8 0
3 years ago
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