The bar graph shows the rents paid per month for apartments in an urban neighborhood. The curve shows that the rents are normall
y distributed.
Estimate the percent of apartments residents who pay less than $650 per month.
A. 99%
B. 25%
C. 68%
D. 30%
Estimate the percent of apartments residents who pay less than $650 per month.
A. 99%
B. 25%
C. 68%
D. 30%
1 answer:
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ANSWER
EXPLANATION
If ABCD is a parallelogram, then
line AB is parallel to line DC .
This means that,
and
are alternating angles.
Alternate angles are congruent.
This implies that,
We group like terms to obtain,
This simplifies to,
Also, if ABCD is a parallelogram then,
BC is parallel to AD. This means that,
We group like terms to get,
This simplifies to,
We divide both side by 4 to get,
EXPLANATION
If ABCD is a parallelogram, then
line AB is parallel to line DC .
This means that,
and
are alternating angles.
Alternate angles are congruent.
This implies that,
We group like terms to obtain,
This simplifies to,
Also, if ABCD is a parallelogram then,
BC is parallel to AD. This means that,
We group like terms to get,
This simplifies to,
We divide both side by 4 to get,