What is 270 divided by 6
2 answers:
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Answer:
The discriminant is 40
Step-by-step explanation:
First, rewrite the equation as so that the equation is in the form of
. Thus, the discriminant is
. This tells us that since the discriminant is greater than 0, then there are 2 real solutions.
Answer:
She caught up with Jordan at 6:39 AM
Step-by-step explanation:
We solve this question making linear functions for the distances that Jorden and his mom have driven, and then we equalize them to find the moment they caught up.
Jorden leaves home for school on his bike everyday at 6:00 AM, traveling at 32 km/h.
Her mom will have left 15 minutes after he left, when he will already have traveled
So, his position after t minutes can be modeled by the following function:
His mom
His mom goes after him starting from home, so the initial position is 0, with a velocity of 52 km/h. So her position can be modeled by the following function:
At what time did she catch up with Jorden,
She catches up t minutes after 6:15 AM.
t is found when
So
0.4 of an hour is 0.4*60 = 24 minutes.
So she catched up with Jordan after 6:15 AM + 24 minutes = 6:39 AM
Answer:
E. 5
Step-by-step explanation:
Let's rewrite the equation in the form of y=mx+b, where m is the slope and b is the y-intercept (the value of y when x = 0).
2x + y = 5
y = -2x+5
M, the slope, is -2
<u>5, b, is the y-intercept</u>
See attached graph.
