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laiz [17]
2 years ago
15

What is the solution to x2 – 9x < –18? ASAP will give brainliest

Mathematics
1 answer:
UNO [17]2 years ago
8 0
Hshsuwuuwjwj7272727272hhahaj
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A swimming pool in the shape of a rectangular prism is 10 feet long, 20 feet wide, and 5 feet deep. How much water could the swi
sasho [114]

Answer:

1,000 units^3 of water

Step-by-step explanation:

20•10•5 =1,000

8 0
3 years ago
Why do you need to calculate mean, or modo of a set of data?
goldfiish [28.3K]
To find the average of the data
3 0
3 years ago
What is solution to this system of equations? x + 4y = 12 and x = 0<br>PLSSS hurry​
Margaret [11]

Answer:

x=0 and y=3

Step-by-step explanation:

If x=0, then we can just plug that value into the other equation and solve for y:

x+4y=12

0+4y=12

4y=12

y=3

Therefore, the solution to the system of equations is x=0 and y=3

3 0
3 years ago
Read 2 more answers
Given f(x)=-1/7√16-x^2 find f^-1(x)
Vera_Pavlovna [14]

Answer:

f^{-1}(x)=\pm \sqrt{49x^2-16}

Not a function.

Step-by-step explanation:

The given function is;

f(x)=-\frac{1}{7}\sqrt{16-x^2}

Let y=-\frac{1}{7}\sqrt{16-x^2}

Interchange x and y;

x=-\frac{1}{7}\sqrt{16-y^2}

Solve for y;

-7x=\sqrt{16-y^2}

Square both sides

(-7x)^2=(\sqrt{16-y^2})^2

49x^2^2=16-y^2

49x^2^2-16=y^2

y=\pm \sqrt{49x^2-16}

The inverse is

f^{-1}(x)=\pm \sqrt{49x^2-16}

f^{-1}(x)=\pm \sqrt{49x^2-16} is not a function because one x-value maps onto to different y-values.

6 0
3 years ago
The elevation of Location 1 is 20 feet above sea level and the elevation of Location 2 is 50 feet below sea level.
bearhunter [10]

Answer:

C.

Step-by-step explanation:

Location 1 is 20 feet ABOVE the sea level while Location 2 is 50 feet BELOW the sea level.

Location 1 would be 20

Location 2 would be -50

And think of the greater than and lesser than symbol as a alligators mouth it would go towards the bigger number so, -50 < 20, Location 1 is higher, is the answer.

8 0
2 years ago
Read 2 more answers
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