Answer:
response variable- time required for water to turn to ice
control group- second freezer
explanatory variable- new formula
Step-by-step explanation:
Answer:
When x = 3, the solutions to the expressions are–20 and –20
Step-by-step explanation:
–4(3) – 8 Multiply
-12 - 8 Subtract
-20
-2(3 + 1) - 2(3 + 3) Simplify in the parentheses
-2(4) - 2(6) Multiply
-8 - 12 Subtract
-20
John wanted to go on a train. the equation y=9/5 x describes the number of miles y that a train travels in x minutes. what is the constant speed of the train in terms of hours?
The constant speed of the train is 108 miles per hour
Answer:
94 cents?
Step-by-step explanation:
2%*40=80%
1.80*0.52=0.936
In 40 years, mail may cost about 94 cents.
(I think this is the correct answer ://)
Answer:
900
Step-by-step explanation:
Sum of interior angle for a polygon = (n-2)180
7 sides
=(7-2)180
=5*180
=900