Because it gives you a number that is close to the answer and if it is close to your number like for instance, the actual answer is 10 then if you get 5 as your estimate that's close.
Domain is all real numbers
answer is B
Hope it helps
Answer: She will use 6 cans of pinto beans .
She will use 6 cans of kidney beans.
Step-by-step explanation:
As per given,
For bean salad : lima beans : pinto beans : kidney beans
= 3:2:2
Let quantity of lima beans = 3x, pinto beans 2x , kidney beans 2x.
if she use 9 cans of lima beans, then
3x=9
⇒x=9
Now, 2x= 2 x 3 =6
Thus , she will use 6 cans of pinto beans and 6 cans of kidney beans.
Answer:
D
Step-by-step explanation:
Hope I helped
Answer:
Is not the answer but is how to do it. Sorry
Step-by-step explanation:
you got the value of a=2
use the formula
S=n/2 [2a+(n-1)d] then calculate d from here..
put it in t=a+(n-1)d