<span><span>∑<span>i=2</span><span>i=10</span></span>(4+2n)=</span><span>
You can do it by hand, w/o much work .
plug in n=2 into (4+2n)
then plug in n=3 into (4+2n)
then plug in n=4 into (4+2n)
etc until you get to n=10. Add them all up.
</span><span>add 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 24
</span><span>144 jumps!</span>
<span>If Walter had $24 taken away for 12 bus rides, that means each bus ride cost him $2 — to find what one ride costs, divide 12 by 12 (=1). Then you must do the same to the cost: 24/12 = 2.</span>
Answer:The length of a side is
9 cm
. The length of the diagonal is
12.73 cm.
Step-by-step explanation:
2/3=10/15
1/5=3/15
3/15+3/15+3+15=9/15
Answer: He can cut 3 pieces
Hope this helps!
Answer:
140·80=11200
Step-by-step explanation:
From exercise we have example for how we find half the sum of 246 and 388, we can enter "(246+388)/2".
Based on this example, we will calculate what is required in the task using a calculator. So we use a calculator to find the product of the following numbers, 140 and 80.
We calculate, and we get
140·80=11200
