Answer:
32
Step-by-step explanation:
3+4 = 7, 56/7 = 8, 8 * 4 = 32
the first picture you have to use B X L X H ( base, length and height) and i got 1728 mm^3
for the second one, you have to use the formula L X H ( P+ Q/2) ( length times height times the product of the base width plus the top width divided by 2 and i got the answer of 196 m^3.
i hope this helps :)
Answer:
15.53 sq inches, 15.71 inches
Step-by-step explanation:
(3 * 4) + (1.5^2 * pi)/2 = 12 + 3.53 = 15.53 sq inches
3 + 4 + 4 + (2pi * 1.5)/2 = 15.71 inches
Answer:
Quarters = 10
Dimes = 15
Step-by-step explanation:
d = number of dimes, q = number of quarters
d + q = 25 is the equation for number of coins
0.1d + 0.25q = 4 is the equation for value of coins
First, solve for d in terms of q:
d + q = 25
d = 25 - q
Then substitute that into the other equation:
0.1(25 - q) + 0.25q = 4
2.5 - 0.1q + 0.25q = 4
0.15q = 1.5
q = 10
And back to d = 25 - q, d = 25 - 10 = 15
Check the math:
0.1(15) + 10(0.25) = 1.5 + 2.5 = 4
LMK if you have questions
So we are given the following system:
Using the first equation again we get:
