Answer:
V=WHL is the formula you want so width times height times length. so V= 11/2 X 31/2 X 21/2=131/8
hope this helps
Jenna has $43 and Heidi has $17.
Step-by-step explanation:
Total amount = $60
Let,
Amount of Jenna = x
Amount of Heidi = y
According to given statement;
x+y=60 Eqn 1
x=2y+9 Eqn 2
Putting value of Eqn 2 in Eqn 1;
Dividing both sides by 3,
Putting y=17 in Eqn 2
Jenna has $43 and Heidi has $17.
Keywords: linear equations, substitution method
Learn more about substitution method at:
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Answer:
Density is directly related to the mass and the volume. In fact, it tells us of the exact relationship between the two. To find an object's density, we take its mass and divide it by its volume. If the mass has a large volume, but a small mass it would be said to have a low density.
Step-by-step explanation:
The sample of the population is 100 students since they acquired answers from students from middle school and high school, having 50 students each school. 50 + 50 = 100 students as the sample. The total population for either or both of the schools is/are undetermined.
Answer:
The percent error is 40%
Step-by-step explanation:
To calculate the error percentage we have to divide the final amount over the initial amount
350 / 250 = 1.4
then we subtract 1 since this represents the estimated value
1.4 - 1 = 0.4
this is the error factor we have, to express it as a percentage we simply multiply by 100
0.4 * 100 = 40%
The percent error is 40%
