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lina2011 [118]
2 years ago
13

How Do You Write The Expression For Triple 9 Then Multiply 8

Mathematics
1 answer:
Kitty [74]2 years ago
8 0
9^3 x 8 is the answer I believe
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Scilla [17]

Answer:

Step-by-step explanation:

3 0
2 years ago
A cone has a height of 12 millimeters and a radius of 10 millimeters. What is it’s volume. Use 3.14 and round to the nearest hun
olchik [2.2K]
I need points so I can ask my question hope you get your answer
5 0
2 years ago
​Joe's annual income has been increasing each year by the same dollar amount. The first year his income was ​$17 comma 90017,900
Vedmedyk [2.9K]

Answer:

In 17th year, his income was $30,700.

Step-by-step explanation:

It is given that the income has been increasing each year by the same dollar amount. It means it is linear function.

Income in first year = $17,900

Income in 4th year = $20,300

Let y be the income at x year.

It means the line passes through the point (1,17900) and (4,20300).

If a line passes through two points (x_1,y_1) and (x_2,y_2), then the equation of line is

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

The equation of line is

y-17900=\frac{20300-17900}{4-1}(x-1)

y-17900=\frac{2400}{3}(x-1)

y-17900=800(x-1)

y-17900=800x-800

Add 17900 on both sides.

y=800x-800+17900

y=800x+17100

The income equation is y=800x+17100.

Substitute y=30,700 in the above equation.

30700=800x+17100

Subtract 17100 from both sides.

30700-17100=800x

13600=800x

Divide both sides by 800.

\frac{13600}{800}=x

17=x

Therefore, in 17th year his income was $30,700.

5 0
3 years ago
Simplify (8x^2 - 1 + 2x^3) - (7x^3 - 3x^2 + 1).
Elenna [48]

Answer:

31x^2-2 is the answer....

Step-by-step explanation:

7 0
3 years ago
In a week, 13 hens laid 65 eggs. What is the independent variable
scZoUnD [109]

Answer:

The hens are the independent variable

Step-by-step explanation:

An independent variable is something that isn't dependent on anything else. Whose laying the eggs? The hens right? So the number of eggs laid is dependent on the number of hens laying them. Basically the hens are the independent variable because the number of eggs is relying on the number of hens laying them.

5 0
3 years ago
Read 2 more answers
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