Answer:
a) -3
b) 117
c) 100
Step-by-step explanation:
(a) 2(1)²-5(1)
1²= 1
2×1= 2
2-5= -3
(b) 2(9)²-5(9)
9²= 81
81×2= 162
162-45= 117
(c) 2(4)²-5(4) +2(8)²-5(4)
4²=16
16×2= 32
32-20= 12
8²=64
64×2= 128
128-40= 88
88+12= 100
hope it helps!
Do (10 x 10) then (10 x 20), and then add your two answers together.
Its simple :)
The answer to 3 3/16 divided by 3/8 is 8 1/2. This is because you have to turn the mixed number into an improper fraction and then divide by the method of keep change flip in order to get your answer
It is 8.525. what u do is 21÷40 and get .525 and then u add the 8 in the front and get 8.525
Step 1: Put the numbers in numerical order from smallest to largest. Step 2: If there is an odd number of numbers, locate the middle number so that there is an equal number of values to the left and to the right.
