Answer:hmm
Step-by-step explanation:
Answer:
The answer is A, "x - 3x =-2x + 4"
Step-by-step explanation:
Hope This Helps
The time in seconds that it took the ball to travel would be = 0.25 seconds.
<h3>Calculation of speed time</h3>
Speed can be defined as the distance covered by an object per unit time.
The speed used to kick the soccer off the ground = 56 feet per second.
The height equation= −16t² + 56t
The time= ?
The formula for speed = distance/time
56= −16t² + 56t/t
56t = −16t² + 56t/t
−16t² = -56t + 56t
−16t² = 0
Make t the subject formula,
t = √1/16
t = 0.25 seconds.
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Answer:
- adult tickets: $13
- student tickets $7
Step-by-step explanation:
The given equations are ...
4a +5s = 87
2a +2s = 40
We observe that the coefficient of 'a' in the first equation is 2 times that in the second equation. We can multiply the second equation by -2 and add it to the first to eliminate 'a' terms.
(4a +5s) -2(2a +2s) = (87) -2(40)
4a +5s -4a -4s = 87 -80 . . . . . . . . . eliminate parentheses
s = 7 . . . . . . . . . . . . . . . . . .simplify
2a +2(7) = 40 . . . substitute for s in the second equation
2a = 26 . . . . . . subtract 14
a = 13 . . . . . . . divide by 2
Adult tickets cost $13; student tickets cost $7.
Answer: False, it's <u>not</u> a solution
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Explanation:
Replace every copy of c with 12. Then simplify.
4c - 2 > 46
4*12 - 2 > 46
48 - 2 > 46
46 > 46 ... false
The statement is false because there isn't a number that's larger than itself (or smaller than itself).
Since the last statement is false, this means the first inequality is false when c = 12.
Therefore, c = 12 is <u>not</u> a solution.
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Another approach:
Let's isolate c in the original inequality.
4c - 2 > 46
4c > 46+2
4c > 48
c > 48/4
c > 12
The solution set consists of numbers larger than 12. We leave 12 itself out of the solution set.
This is because c > 12 would be 12 > 12 which is false.