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Makovka662 [10]
3 years ago
14

Match the graph of the equation: y=−6x2−12x−7

Mathematics
1 answer:
Vsevolod [243]3 years ago
8 0

Answer:

Step-by-step explanation:

What graph

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A polyhedron with one pentagonal base is a
alekssr [168]
I think it is an apex
3 0
3 years ago
two trains leave the station at the same time one heading west and the other East the westbound train travels at 55 miles per ho
Diano4ka-milaya [45]
Recall your d = rt, distance = rate * time

so... one train goes west and the goes the opposite way... alrite... so... notice, by the time 338 miles have been covered by both, it will have been "t" hours, and whatever "t" is, is the same amount of time the westbound train has been running as well as the eastbound train has been running.

now, let's say, since by "t" hours they've covered 338 altogether, so, if the westbound train has covered say "d" miles, then the eastbound train would have covered the slack from 338 and d, that is, "338 - d".

\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
Westbound&d&55&t\\
Eastbound&338-d&75&t
\end{array}
\\\\\\
\begin{cases}
\boxed{d}=55t\\
338-d=75t\\
----------\\
338-\boxed{55t}=75t
\end{cases}
\\\\\\
338=75t+55t\implies 338=130t\implies \cfrac{338}{130}=t\implies \stackrel{hours}{2.6}=t

so, 2hours and 36 minutes.
8 0
3 years ago
Which graph represents the line that has intercepts at (5,0) and (0,-4)?
AleksAgata [21]

Answer:

H.

Step-by-step explanation:

The graph goes through 5 of the x -axis and -4 on the y axis

7 0
3 years ago
Read 2 more answers
Please help. Click to view picture. Algebra question. HELP ME PLEASE ASAP
Ugo [173]
Second answer if it still helps
4 0
2 years ago
How many solutions does 6 - 3x = 4 - x - 3 - 2x have?
White raven [17]

Answer:

No Solution

Step-by-step explanation:

6 - 3x = 4 - x - 3 - 2x  (Given)

6 - 3x = -1 -3x (combine like terms)

7 (addition)

The x cancels each other out so no solution.

7 0
3 years ago
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