Answer:
26
Step-by-step explanation:
Put 10 in the formula where x is, then do the arithmetic.
y = 10(1.1^10) ≈ 10(2.5937) ≈ 26
Mark will be running 26 miles per day 10 weeks from now.
Answer:
x = 
Step-by-step explanation:
Given
= 
( cross- multiply )
25 × 2x = 5 × 4
50x = 20 ( divide both sides by 50 )
x = 
=
Answer:
C
Step-by-step explanation:
divide 14 by 4 to solve it, you get 3.5 or 3 1/2
Answer:
Step-by-step explanation:
Yes, it's reasonable.
What you are doing is solving the question by rounding. You come up with an answer. Suppose you loose the decimal somewhere and you get 0.36? Is that reasonable? Do you just write the answer in the provided blank and move on. What now?
You get it wrong?!!
But your estimate should be about 9/3 = 3. Now you look at your calculator with great misgivings, because it made a mistake. Did it or did you? Well ultimately you did, but you have to blame something. So the calculator takes the heat.
Who knows? Maybe the decimal doesn't work. It's stuck or something. In any event you should be aware that there's no way the answer could be 0.36 when you estimate it to be 3.
46.8 is 39% of 120. Hope this helped you!
