Answer:
The answer is B.
Step-by-step explanation:
4x-7 = 2x+9
2x = 16
x = 8
And then we put x into the equations.
y = 32 - 7
y = 25
We then check it with the other equation just to make sure we are correct.
y = 16 +9
y = 25
Therefore, the answer is (8,25).
Answer:
6.20%
Step-by-step explanation:
Missing question and graph attached.
Given: Total number of sample collected for female between age 20-29 is 548.
34 females that weighed over 250 pounds.
Now, finding percentage of females aged 20 to 29 weighed over 250 pounds.
Percent of Female over 250 pound aged 20-29=
⇒Percent of Female over 250 pound aged 20-29=
⇒ Percent of Female over 250 pound aged 20-29=
∴ Percent of Female over 250 pound aged 20-29=
Hence, 6.20% of females aged 20 to 29 weighed over 250 pounds.
The answer to number nine is 40
Answer: n equals 13.
Reason:
to get n the first thing you need to do si to get the n by itself, you do this by canceling out -26 by adding 26, and you also must add to the other side of the equation to balance it out. now with the n alone we know the answer. n = 13
n - 26 + 26 = - 13 + 26
n = 13