2t + 5b = 20
8t + 3b = 29
Multiply the first equation by-4
-8t -20b = -80
8t + 3b = 29
-17b = -51
b = 3
Plug 3 in for b into either equation and solve for t.
2t + 5(3) = 20
2t + 15 = 20
2t = 5
Divide both sides by 2
t = 2.50
Answer:
Dependent variable: Memory
Independent variable: Position
Step-by-step explanation:
We are given the following in the question:
Dr. Graham was curious as to whether memory is affected by position during study.
He wants to check the effect of position(either laying down on a bed or sitting up at a desk) effects the memory(list of 50 words).
Dependent and independent variable:
- Dependent variable is affected by the changes in the independent variable.
- Dependent variable are also known as response variable.
- Independent variables are the free variables.
For the given study
Dependent variable:
Memory that is determined by the recalling power of list of 50 words.
Independent variable:
Position that is either laying down on a bed or sitting up at a desk
225 is about 200
12 is about 10.
To put the same in each vase, we divide.
200÷10=20
So the answer for the best estimate would be D, 20 flowers.
Yes, the set <span>of people who wear expensive perfume is well-defined.</span><span> A set is said to be well-defined if its definition assigns it a unique value. Otherwise, the set is said to be not well-defined or ambiguous."W</span><span><span>ell-defined” means that any given object in the entire world, whether abstract or concrete is either an element of the set or isn't.</span> </span>
3.5 , 3.3, -3, -3.25, -3.3
