Answer:
185 hshshdhshdhehehehshehe
Step-by-step explanation:
hjwjahajahwhwjw hhhhhaaaaccckkkkeeeeerrrrrrr I am
Step-by-step explanation:
B
1100
To find the sum of the first n terms of an arithmetic series use the formula,
S
n
=
2
n(a
1
+a
n
)
S
20
=
2
20(10+100)
S
20
=
2
2200
S
20
=1100
Answer:what do you need help with?
Step-by-step explanation:
Answer: 5 / 12
Step-by-step explanation:
100% / 240% = 10 / 24 = 5 / 12
Answer:
see attachment
Step-by-step explanation:
We want to sketch the graph of

We want to use tables so we choose some few points and plot.
When x=-6,
y=(-6)²+4(-6)+8=20
When x=-4,
y=(-4)²+4(-4)+8=8
When x=0,
y=(-2)²+4(-2)+8=4
When x=0,
y=(0)²+4(0)+8=8
When x=2,
y=(2)²+4(2)+8=20
The table and graph are shown in attachment.