round 19 in 120 to the nearest tenth cause the tenths place is bigger than 5 19 = 20 so 120 divided by 6=20
Answer:
The first answer one is true
Answer:
Step-by-step explanation:
Formula
V = pi * r^2 * h
Givens
h = 22 cm
r = d/2 = 7/2
r = 3.5
pi = 3.14
Solution
V = 3.14 * 3.5^2 * 22
V = 846.23 cm^3
Answer:
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Step-by-step explanation:
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Answer:
%P = 8%
the percentage of fat in the mixture is 8%
Step-by-step explanation:
Given;
The percentage of fat in the mixture is;
%P = total mass of fat in mixture/total mass of mixture × 100%
%P = F/T × 100% ….....1
Mass of fat in mixture is;
She purchases 5 pounds of ground beef which is 15% fat
F1 = 15% of 5 pounds = 0.15×5 pounds
F1 = 0.75 pound
and combines it with 7 pounds of ground turkey which is only 3% fat
F2 = 3% of 7 pounds = 0.03 × 7
F2 = 0.21 pound
Total mass F = F1 + F2
F = 0.75+0.21
F = 0.96 pound
Total mass of mixture T = 5 + 7 pounds
T = 12 pounds.
From equation 1,
%P = F/T × 100%
%P = 0.96/12 × 100%
%P = 0.08×100%
%P = 8%
the percentage of fat in the mixture is 8%
