(-5x^2+2x+6)-(9x^2+2x+9)+(-6x^2+5x-3) simplified
2 answers:
Answer:
−
20
x
^2
+
5
x
−
6
Step-by-step explanation:
Answer:
Step-by-step explanation:
Start by removing the grouping symbols (parentheses) using the sign rules:
Then we re-order and combine like terms:
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A) 125 * 10 = 1250 chinchillas in a year;
1250 * 2 = 2500 chinchillas in two years;
b) y = x + 433, where 433 = 933 - 500;
c) 933 + 433 = 1366 chinchillas they have <span>at the end of two years;</span>
I drew a picture for you. It's below ^.^
Combine costs
59.99(3) + 75 = 179.97 + 75
179.97 + 75 = $254.99 (total cost)
Now add tax: 8% = 0.08
254.99 * 0.08 = 20.3992
254.99 + 20.3992 = 275.3892
Solution: bill would be around $275
Area =
The diameter is double the length of the radius
7 ÷ 2 = 3.5
3.5 × 3.5 = 12.25
= 38.4845100064751
38.4845100064751 rounded to the nearest tenth is 38.5
