Please help will grant u the brainliest ...
1 answer:
Answer:
44
Step-by-step explanation:
Substitute k = 1, 2, 3, 4 into the expression and sum the terms.
2(1)² - 4 + 2(2)² - 4 + 2(3)² - 4 + 2(4)² - 4
= 2 - 4 + 8 - 4 + 18 - 4 + 32 - 4
= - 2 + 4 + 14 + 28
= 44
You might be interested in
Answer:
Step-by-step explanation:
<u>Given points </u>
<u>Use slope formula to find the slope</u>
- m = (y2 - y1)/(x2 - x1)
- m = (-7 -5)/(1 + 2) = -12/3 = -4
Slope is -4
They are similar because 4/2 = 8/4
Answer:
55/11 hrs
Step-by-step explanation:
rodrigo 12hrs
DaShawn 10hrs
1/12+1/10=11/60
then reciprocate
60/11=5 5/11 hrs
1/10 of 200 is 20 (
), flo gets 20
4/10 of 200 is 80 (
), Zoe gets 80.
And he gets the rest: 200 - 20 -80 =100: so he gets 100.
Find each percent to the nearest percent. State if it is an icrease or a decrease.
From 45 ft to 92 ft
