Answer:
Step-by-step explanation:
y=.02x+9 - First Part
y=.05x - Second Part
Answer:
Step-by-step explanation:
Let and be independent random variables representing the lifetime (in 100 hours) of Type A and Type B light bulbs, respectively. Both variables have exponential distributions, and the mean of X is 2 and the mean of Y is 3.
Answer:
x
3
y
6
−
64
is the difference of two cubes and can be factored in the following pattern.
a
3
−
b
3
=
(
a
−
b
)
(
a
2
+
a
b
+
b
2
)
a
3
factors to a
b
3
factors to b
The pattern of the signs follows the acronym SOAP
S = same sign as the cubes
O = opposite sins of the cubes
AP = always positive
x
3
y
3
factors to xy
64
factors to 4
x
3
y
3
−
64
=
(
x
y
−
4
)
(
x
2
y
2
+
4
x
y
+
16
)
Step-by-step explanation:
Answer:
22 hours.
Step-by-step explanation:
Using algebra:
<u>6.5x</u> = <u>143</u>
6.5 6.5
x = 22
If the graph is out of 100 people that means one person is one percent. So 22% of adults like basketball and 15% like baseball, add the two together and you get 37 percent
