Answer:
39-6a
Step-by-step explanation:
(4 - a) - 5(a - 7) Distribute the -5 throughout (a-7)
4 - a - 5a + 35 Combine like terms
4 + 35 - a - 5a
39 - 6a
<span>It can be assumed that the sample mean would would be approximately normal by the mean distribution theorem. The mean distribution theorem states that a large enough sample size will have a distribution and mean approximately the same as the population mean. A sample of 250, half the size of 500, is of sufficient size to assume the distribution mean will be approximately normal like the population mean.</span>
Answer:
3.75
Step-by-step explanation:
Answer:
(x-1)(x-2)
x=1, x=2
Step-by-step explanation:
Answer:
There's only one triangle, so Ill work with that.
A formula for a triangle is 30 x 75 x 1/2.
You can first multiply 30 and 75, or you can first use the 1/2 on 30.
15 x 75 = 1125
A: 1125.
Hoped this helped.
