Option C is your answer.
Add (- 3) + 2 to get - 1 for the exponents. 2^ (-1) is the same as 1 / 2^1 which is 1/2.
Answer:
response variable- time required for water to turn to ice
control group- second freezer
explanatory variable- new formula
Step-by-step explanation:
In the given question, it is given that ramp is 17 feet long, rises 8 feet above the floor, and covers a horizontal distance of 15 feet.
And we have to find the value of tan B.
And tangent of any angle is equal to the ratio of vertical by horizontal. That is:
tanB=8/15
And that's the required missing ratio for tan B.
You just need to take (63÷105)×100
Answer:
13
Step-by-step explanation:
6 + 7 = 13
