Answer:
4/10
Step-by-step explanation:
The best first step
for the elimination method would be: <span>1. multiply the first equation by 2 and the second equation by 3.
</span><span>
2x - 6y = 2 /*2
5x + 4y = 28 /*3
____________
4x - 12y = 4
15x + 12y = 84
____________
4x - 12y + 15x + 12y = 4 + 84
19x = 88
x = 88/19
</span>
Answer:
$59.99
Step-by-step explanation:
11% of $59.99 is $6.60. $59.99+$6.60=66.59
Step-by-step explanation:
Question 2(Multiple Choice Worth 1 points)
(08.02 MC)
The function f(t) = 4t2 − 8t + 7 shows the height from the ground f(t), in meters, of a roller coaster car at different times t. Write f(t) in the vertex form a(x − h)2 + k, where a, h, and k are integers, and interpret the vertex of f(t).
f(t) = 4(t − 1)2 + 3; the minimum height of the roller coaster is 3 meters from the ground
f(t) = 4(t − 1)2 + 3; the minimum height of the roller coaster is 1 meter from the ground
f(t) = 4(t − 1)2 + 2; the minimum height of the roller coaster is 2 meters from the ground
f(t) = 4(t − 1)2 + 2; the minimum height of the roller coaster is 1 meter from the ground
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