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- The equation :
Area = length x width
- Substitute the values in :
Area = (x - 5)(x - 5 + 22)
(Note : the 'x' is for the algebraic expression x in the example above)
- Now you have to simplify the second parenthesis:
Area = (x - 5)(x + 17)
- Now expand :
Area = x^2 + 17x - 5x - 85
- Simplify by collecting like terms :
Area = x^2 + 12x - 85
(Note : x^2 means x squared)
Now you have your answer as:
x^2 + 12x - 85 feet^2
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Well first you have to divide 620/20 which is 31. So his car goes 31 miles per gallon so you have 2 gallons and .25 of a gallon. So first off 2*31=62 miles then the 1/4 or .25. Multiply the 31 by .25 which is 7.75 now add 62 and 7.75 and you get how far his car can go.
62+7.75=69.75 miles
Answer:
The solution of the system of equations is the point 
Step-by-step explanation:
we have
-----> equation A
-----> equation B
Multiply the equation B by 2 both sides
------> equation C
Adds equation A and equation C
Find the value of y
Substitute the value of x in equation A
The solution of the system of equations is the point
Answer:
-1 and 6
Step-by-step explanation:
We can use trial and improvement for this
Pairs of numbers that have a sum of 5:
2, 3 = 6
1, 4 = 4
0, 5 = 0
-1, 6 = -6
-2, 7 = -14
-3, 8 = -24
-4, 9 = -36
-5, 10 = -50
-1 and 6 have a sum of 5 and a product of -6
Answer:
∠MNO = 75°
Step-by-step explanation:
∠mno = 1/2 ( arc MLP - arc MOP )
arc MLP = 241 and arc MOP = 91
so ∠MNO = 1/2 ( 241 - 91 )
241 - 91 = 150
150/2 = 75
Hence, ∠MNO = 75°
