3 years ago

The cost of a product has been increasing each year. The graph shows data about the product's cost over time.

1 answer:

7 0

By the way the costs have been going up in a diagonal line, it would be reasonable to predict that it would cost $14 in year 10.

A.

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Evaluate the expression 10^2+(3+5)^2 - 5=

vampirchik [111]

Answer:

159

Step-by-step explanation:

10^2+(3+5)^2-5

-> 100 + (3+5)^2 -5

-> 100 + 8^2 - 5

-> 100 + 64 - 5

-> 159

8 0

2 years ago

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I don't know this please help no links Brainliest

slamgirl [31]

The slope-intercept equation is y=mx+b.

The slope formula is $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

Our three points are (5,5), (-5,-7) and (0,-1)

Using our slope formula our slope becomes $\frac{-7-5}{-5-5} =\frac{12}{10} =\frac{6}{5}$

Then, if we use one of our points (pick whichever you want, although (0,1) is the easiest) to solve the equation. So, $y=\frac{6}{5}x-1$ . When we solve for x and y, we get -1=0+b, or b=-1.

When we plug that back into the equation, we get $y=\frac{6}{5}x-1$ .

6 0

3 years ago

kim rented skates for h hours.The rental free was $2.50 per hour. she paid a total a 2.5h=20 b 1.5h=10 c 1.5h=20 d 2.5h=10l of $

Genrish500 [490]

Answer:

2.5h=20

Step-by-step explanation:

3 0

3 years ago

What is 7.8×10^5 hours in days?

Serhud [2]

Since one day has 24 hours....,

; To find the number of days in (7.8 × 10^5)hrs...just divide the hours by 24 hours

; (7.8 × 10^5)÷ 24

; 32 500 days

4 0

3 years ago

The graph shows the mass of a radioactive substance as a function of time

Simora [160]

To know the initial amount of the radioactive substance, you should read the graph in the y - axis when the x = 0, because at x = 0 this means the intial point of the graph or the initial amount of the substance. so at x = 0 the y = 45 so the initial amount is 45 g

5 0

3 years ago

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