Answer:
the answer is 45
Step-by-step explanation:
every triangle has to add up to 180 so 25 + 45 is 70 and 70 + 110 is 180
A--width b--length b=864 Divided by a b=3a divided by 2 864 divided by a = 3a divided by 2 a =24 b=864 divided by 24 = 36 Answer= the length of the basement is 36 feet
Answer: a and b are correct
I am very sure
Step-by-step explanation:
Answer:
(a) 3, 5 and 6
Step-by-step explanation:
In the experiment, 43 are to be given a gel that contains the tooth-whitening chemicals while the remaining 42 are to be given a placebo. Therefore, a placebo is used.
The 43 that will receive the gel are to be selected randomly.
After the experiment, the whiteness of the two groups will be compared to see the effect of the gel.
Therefore for the experiment to be completely random, 3, 5, and 6 apply.
(b)
For the experiment to be double-blind, the researchers who will evaluate the whiteness and interact with the subjects, and the subjects would not know which subjects received either the whitening gel or the placebo.
The phrase which describes the variable expression 8n is A. the product of 8 and n.
You get a product when you multiply, the quotient is when you divide, the difference is when you subtract, and sum when you add.