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pochemuha
3 years ago
12

I need some help on my homework

Mathematics
1 answer:
irakobra [83]3 years ago
6 0
What do you need help with I cant help if I don't know what problems to solve
You might be interested in
Mario has a box of blocks 8 inches long, 6 inches wide, and 7 inches high.
Aleksandr [31]

Answer:

Volume = length× width× height

v=lwh

v=8×6×7

v=48×7

v= 336inches

3 0
3 years ago
A concession stand at a baseball game sells 3 apples for $2.00. How can you find the cost for 10 apples?
Angelina_Jolie [31]
You would do $2.00 ÷ 3 = $0.67
10 × $0.67 = $6.70

10 apples would cost $6.70

HOPE THIS HELPED :)
6 0
3 years ago
Read 2 more answers
A disco ball is shaped like a sphere with a diameter of 16 inches. To the nearest square inch, what is the surface of the disco
Mademuasel [1]
If the diameter is 16 inches, then its radius is half that, r = 8.

\bf \textit{surface area of a sphere}\\\\
A=4\pi r^2\quad 
\begin{cases}
r=radius\\
-----\\
r=8
\end{cases}\implies A=4\pi 8^2
5 0
3 years ago
Mary is going for a walk. She walks 12.5 miles in 5 hours. What is her speed
xz_007 [3.2K]

To find her speed, divide the total distance by the total time:

12.5 miles / 5 hours = 2.5 miles per hour.

3 0
3 years ago
Show all steps to find the product of -3x^3 + 2x - 4 and x^3 + x - 2.
Lana71 [14]

Answer:

  -3x^6 -x^4 +2x^3 -8x +8

Step-by-step explanation:

Use the distributive property 4 times.

  (-3x^3 + 2x - 4)×(x^3 + x - 2)

  = -3x^3(x^3 +x -2) +2x(x^3 +x -2) -4(x^3 +x -2) . . . . once

  = -3x^6 -3x^4 +6x^3 +2x^4 +2x^2 -4x -4x^3 -4x +8 . . . . 3 more times

  = -3x^6 +x^4(-3+2) +x^3(6 -4) +2x^2 +x(-4 -4) +8 . . . . group like terms

  = -3x^6 -x^4 +2x^3 -8x +8

7 0
3 years ago
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