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ch4aika [34]
2 years ago
10

I really need some help on this question

Mathematics
1 answer:
Leya [2.2K]2 years ago
3 0

Answer:

What is the car's rate in kilometers per minute?

0.9\frac{km}{min}

How many kilometers will the car travel in 5 minutes?

4.5\ km

Step-by-step explanation:

If we know:

\frac{54\ km}{1\ hour}

And there are 60 minutes in an hour:

\frac{1\ hour}{60\ minutes}

We can do:

\frac{54\ km}{1\ hour} * \frac{1\ hour}{60\ minutes} = \frac{54\ km}{60\ minutes} = 0.9 \frac{km}{min}

From here, we figure out the distance from minutes:

0.9\frac{km}{min} * 5 = 4.5\ km

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2/x2-9 - 3x/ x2-5x+6 please show work
Luda [366]

Answer: -3x^3 - 7x^2 - x + 39

Step-by-step explanation:

2/(x^2 -9) - 3x/(x^2-5x+6)

get those denominators factored out

2/(x-3)(x+3) - 3x/(x-3)(x-2)

Multiply both by both denominators

2(x-3)(x-2) - 3x(x-3)(x+3)

Multiply it out

(2x^2 - 10x + 12) - (3x^3 + 9x^2 -9x - 27)

Simplify and it becomes

-3x^3 -7x^2 -x + 39

5 0
3 years ago
Pls answer correctly c:
sergey [27]

Answer:

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Step-by-step explanation:

np brainliest?

4 0
2 years ago
In the diagram, ARST-
antiseptic1488 [7]

Answer:

The scale factor is 4.5

Step-by-step explanation:

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Thus:

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XY = 45

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Scale factor from ∆RST to ∆XYZ = 4.5

5 0
2 years ago
Which sequence of transformations on the red triangle will map it onto the missing portion of the square?
anyanavicka [17]

Answer:

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7 0
3 years ago
What is the distance between points (12, 4) and (12, –10) on the coordinate plane?
Kipish [7]
<span>the distance between points (12, 4) and (12, –10) on the coordinate plane  is 14 units.

</span>
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3 years ago
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