1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Maru [420]
4 years ago
5

What is the value of “r” if 2080m cubed =. Pi x r squared

Mathematics
1 answer:
MrMuchimi4 years ago
3 0

Start with

2080 = \pi x r^2

Divide both sides by pi:

\dfrac{2080}{\pi} = x r^2

Divide both sides by x:

\dfrac{2080}{\pi x} = r^2

Consider the square root of both sides:

r=\sqrt{\dfrac{2080}{\pi x}}

You might be interested in
What is -4/5 + (-1/3)
Eddi Din [679]

Answer:-17/15

Step-by-step explanation:

-4/5-1/3

-4/5+-1/3

=-17/15

3 0
4 years ago
which is the equation for the linear function f in the form f(x) = mx + b that has the given values? f(-2) = - 8, f(3) = 7
Xelga [282]

The information we have is:

\begin{gathered} f(-2)=-8 \\ f(3)=7 \end{gathered}

So we can find that two coordinates are ( -2,-8 ) and ( 3,7 ) so we can use the equation to find the slope so:

\begin{gathered} m=\frac{y_2-y_1}{x_2-x_1} \\ m=\frac{7-(-8)}{3-(-2)} \\ m=\frac{15}{5} \\ m=3 \end{gathered}

So the equation now will be:

y=3x+b

So we can replace one coordinate to find b so:

\begin{gathered} 7=3(3)+b \\ 7=9+b \\ 7-9=b \\ -2=b \end{gathered}

So the final equation is:

y=3x-2

5 0
2 years ago
The midpoint of a segment is at (1, 1) and one
Nikolay [14]

Answer:

hold on ill answer in a min i have to do something

Step-by-step explanation:

7 0
3 years ago
How many x-intercepts will the graph of y = 3x2 + 6x + 3 have? (Use the discriminant to
KonstantinChe [14]

Answer:

i think D or B is the answer

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
Jose is thinking of a number.
alexira [117]

The number is 66.

Solution:

Let the number be x.

To find the number x using given conditions.

Start with the last condition.

It is less than 7 times 8 + 23 = 7 × 8 + 23 = 79

So, the number is less than 79 which implies x < 79.          

Using condition (4),  

It is greater than 5 times 4 = 5 × 4 = 20

So, the number is greater than 79 which implies x > 20.    

Combining condition (4) and (7), we get 20 < x < 79.

Using condition (3) and (5),

The number is a multiple of 11 and 6.

The number which is multiplied by both 11 and 6 is 66, 132, ...

But here x lies between 20 < x < 79.

So x = 66.

66 is not odd number and the sum of the digits is divisible by 2.

Therefore condition (1) and (2) also satisfied.

Hence the number is 66.

3 0
4 years ago
Other questions:
  • I need help on this lol​
    10·2 answers
  • Write an expression to represent nine less then equation of two and a number x
    7·1 answer
  • An aquarium with a square base has no top. There is a metal frame. Glass costs 8 dollars/m^2 and the frame costs 7 dollars/m. Th
    9·1 answer
  • Arrange in order from least to greatest 0.38, 0.3886, 0.3722
    6·2 answers
  • Classify the system of equations x=-5-y 4+y=-x+3
    9·1 answer
  • 1572 divide 0.3 you must show all workings
    8·2 answers
  • 38 minus 14, divided by 8
    7·1 answer
  • In an ANOVA the F-calculated for the treatment 4.76 with 3 degrees of freedom in the numerator and 6 degrees of freedom in the e
    14·1 answer
  • Anyone help meeeeeeeee 
    11·1 answer
  • Mow Many Combinations of Four Can You make With {basketball, football soccer volleyball}
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!