Oil has a volume of 9000cm cubed and a density of 0.8g/ cm cubed. what is the mass of the oil?

Answers

Answer 1

Answer: Density = 0.8 g/cm³

Volume = 9000 cm³

D = m / V

0.8 = m / 9000

m = 0.8 x 9000

m = 7200 g

hope this helps!

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If x = −3, which number line shows the value of |x|?

Answers

The value of the absolute expression |x| at x = - 3 will be 3.

What is Algebra?

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

The expression is given below.

⇒ |x|

If x = - 3, then the value of the expression will be given as,

⇒ |-3|

The value of the absolute function is always positive. Then the value of the expression is given as,

⇒ |-3|

⇒ 3

The value of the absolute expression |x| at x = - 3 will be 3.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ3

Answer:

answer is number three

Step-by-step explanation:

Hope this helps!

Joanne wants to put wallpaper in her daughter's room. Each wall measure 16.8 feet long by 12.9 feet wide. What is the area of one wall in her daughter's bedroom?

Answers

Answer: The area of one wall is 216.72 ft^2.

Step-by-step explanation:

16.8 * 12.9 = 216.72

A soccer player kicks the ball down the field to a teammate. The height of the soccer ball above the ground, h, in relation to the time in seconds, t, is represented by the quadratic function shown in the table.Time (seconds) Height (feet)
0 0
0.5 12
1 16
1.5 12
Use the table to complete the statements.

The height of the soccer ball above the ground is symmetric about the line t =
second(s).

The ball landed on the ground at t =
second(s).

Answers

you can see that the height is the same at 0.5sec and 1.5 sec (12ft)

so therefore the height is symmetric about the line t=(midpoint of 0.5 and 1.5)

(0.5+1.5)/2=2/2=1

so the height is symmetric about the line t=1

the ball lands on the ground when height=0

since it is symmetric about t=1, and at t=0, the height is 0

1-0=1, so the difference between symmetry and desired height is 1

we must go in the oposite direction to find the next 0 height

so from symmetry to 0 height is 1+1=2, so at t=2 seconds

Answer:

6,12

Step-by-step explanation:

We found that Juan’s investment account can be modeled by the function, c(x) = 7x2 - 6x + 5, in thousands of dollars. What was Juan’s initial investment?$5
$10
$5,000
$10,000

Answers

Answer:

Option (a) is correct.

The Juan’s initial investment is $ 5

Step-by-step explanation:

Given : Juan’s investment account can be modeled by the function, $c(x)=7x^2-6x+5$ , in thousands of dollars.

We have to find the Juan’s initial investment.

Since, Juan’s investment is modeled by function

$c(x)=7x^2-6x+5$

Since initial investment is when he start the investment and is given by when

x = 0

Thus, $c(0)=7(0)^2-6(0)+5$

Simplify , we get,

c(0) = 5

Thus, the Juan’s initial investment is $ 5

initial investment was when x=0, when no change had occured

c(0)=7(0)^2-6(0)+5
c(0)=5

this is in thousands
5*1000=5000
answer is $5000 is initial

What is the radius of a circle circumscribed about a rectangle with a length of 8 centimeters and a width of 6 centimeters?

Answers

if we think about it, the touching parts of the rectangle and circle are the corners

the distance between opposite corners is the diameter of the circle
the radius would be 1/2 diameter
so we just use the pythagorean theorem to find the legnth of the diagonal and thus the diameter then halve that to get radtius

a^2+b^2=c^2
c=hypotonuse
a and b are legs

8^2+6^2=c^2
64+36=c^2
100=c^2
10=c

10=diameter
10/2=5=radis

5 centimeters

Mr. Mendez ran 13.1 miles at a constant rate for 150 minutes.To find how he ran,you solve the equation 13.1=x•150.What does x represent?

Answers

Answer:

His speed in miles per minute

Step-by-step explanation:

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