Answer:
(2x+3)(5x-9)
Step-by-step explanation:
10x^2-3x-27
10x^2 + 15x - 18x - 27
(5x)(2x+3)-9(2x+3)
(2x+3)(5x-9)
Hope this helps!
Answer: 4 hours and 24 minutes
Step-by-step explanation:
Answer:
x=7 x=-7
Step-by-step explanation:
Solution is attached.
Answer: B
Step-by-step explanation:
It is one sided test of R-squared being zero versus being greater than zero.
These are the steps of the test.
1. State the null and alternative hypothesis: ...
2. Compute the test statistic: ...
3. Find a (1 - 0.05)×100% confidence interval for the test statistic. ...
4. Decide whether to accept or reject the null hypothesis: 5.991 ∉ [0, 2.28], so reject H 0 .
5. Determine the p-value.
Answer:
Total after tax and discount is $7.78
Step-by-step explanation:
(10.49×0.3)= 3.15
10.49 - 3.15 = 7.34
(7.34×0.06)= 0.44
7.34 + 0.44 = 7.78