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3 years ago

Pls help give u brainlist

Mathematics

1 answer:

Elenna [48]3 years ago

8 0

Answer:

The rate of change is $\frac{7}{4}$ or 1.75. That shows that the cost per video game is $1.75

Step-by-step explanation:

The change in y over change of x or slope can be calculated using the equation:

$m=\frac{y_{2} -y_{1} }{x_{2}-x_{1} }$ so take the last two points: (10, 25) and (15, 33.75).

33.75-25=8.75

15-10=5

8.75/5=1.75 (7/4)

x=video games

y=total cost

Since slope is change in y (cost) per change of x (video games), the answer is:

1.75 cost per video game

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Automobile sales in a country were 20.6 million thisâ year, a 4.9â% increase over last year. Find the number of auto sales in th

inessss [21]

Answer: 19.6 million

Step-by-step explanation:

The exponential growth function is given by :-

$A=A_0(1+r)^x$ , where A is the initial amount , r is rate of interest and x is time period.

Given : The automobile sales in a country this year : A= 20.6 million

The rate of increase : r = 4.9 %=0.049

For last year , we take x = 1 , then the required exponential equation will be :-

$20.6=A_0(1+0.049)^1\\\\\Rightarrow\ A_0=\dfrac{20.6}{1.049}=19.63775\approx19.6$

Hence, the number of auto sales in the country last year = 19.6 million.

7 0

3 years ago

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3 years ago

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dolphi86 [110]

Answer:

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Step-by-step explanation:

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Factor and rewrite the radicand in exponential form: $\sqrt{6^2 x 6}$

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2 years ago

Is an Angle Two or 1 dimensional ?

Nataliya [291]

Answer:

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Step-by-step explanation:

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3 years ago

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zysi [14]

Answer:

Step-by-step explanation:

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3 years ago