Question

Need help with one question..giving out medals!

Answer 1

hard

Answer 2

yes but I am still confused

Answer 3

want to now how or the answer?

Answer 4

\[\sum_{start}^{finish}\]

Answer 5

Can you help me out step by step?

Answer 6

it says to find the sum of -2n + 3 for n = 4 to n = 7.

you'll want to add the sum for n = 4,5,6,7

(-2)(4) + 3 + (-2)(5) + 3 + (-2)(6) + 3 + (-2)(7) + 3

Answer 7

= -8 + 3 -10 + 3 - 12 + 3 - 14 + 3 = -32

Answer 8

∑[n=4,7,-2n+3] = -32

Answer 9

oh ok thanks

Answer 10

glad i could help

Answer 11

click the best response please