<span>t in (-oo:+oo)
(3*t)/2+7 = 4*t-3 // - 4*t-3
(3*t)/2-(4*t)+3+7 = 0
(3*t)/2-4*t+3+7 = 0
10-5/2*t = 0 // - 10
-5/2*t = -10 // : -5/2
t = -10/(-5/2)
t = 4
t = 4 is the answer
hope it helps~
</span>
Answer:
1:4
Step-by-step explanation:
84-63=21
there are 21 milk chocolates in the box
ratio of milk chocolates to total number of chocolates=21:84
simplify that=1:4
Answer:
45
Step-by-step explanation:
Answer:
The correct option is d.
Step-by-step explanation:
The directional hypothesis is:
The sample size is, <em>n</em> = 40.
The significance level is:
Use the t-table to compute the right-tailed t-critical value as follows:
The value is positive since the directional hypothesis suggests that the test is right tailed.
The correct option is d.
Answer:
Step-by-step explanation:
11 is the amount per hour, x stands for the number of hours, and he needs to earn at least 90 dollars.