I believe it’s 5xy since all the numbers are factors of five and since each number contains the variables xy.
Answer:
Step-by-step explanation:
4x+9y=-14
make x 0
9y=-14
y=-1.5(repeating)
to figure out x make y zero.
4x=-14
x=-3.5
hope this helped!
Answer:
9
Step-by-step explanation:
<em>Degrees of freedom</em> is the number of values in the final calculation of a statistic that are free to vary. Degrees of freedom are related to sample size and calculated by n-1 where n is the <em>sample size</em>.
The Supervisor selects 10 teddy bears as sample from 5000 teddy bears produced daily. Therefore in this situation, there are 10-1=9 degrees of freedom
40 tens = how many hundreds. 40 x 10 = 400
