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alexira [117]
3 years ago
13

Help i don’t know what to do here!

Mathematics
1 answer:
GarryVolchara [31]3 years ago
6 0

Answer:

Find the are

Step-by-step explanation:

pi method

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A train traveled 450 kilometers (450 km) east from its starting point for 9 hours (9 h). What was the average speed of the train
elixir [45]

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You need to find the average for your numbers

Step-by-step explanation:

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3 years ago
Fill in the blanks HELPPP
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ki77a [65]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
48. Line h passes through the point (4, 12) and is parallel to line k.
Misha Larkins [42]

Answer:   <em>y = 3/4 x + 8</em>

Step-by-step explanation: First  you must find the slope of line k.

<em>y2 - y1</em>

<em>m = -----------</em>        <em>The slope is 3/4</em>

<em>        </em><em>x2 - x1</em>

Since the two lines are paralell you know that line h has the same slope.

Next you must find the y-intercept by replacing x and y with the values given by the point.

<em>y = 3/4x + ?  ----->  12 = 3/4(4) + ?</em>

<em>                               12 = 3 + 8</em>

The y-intercept is 8

Your equation for line h is <em> </em><em>y = 3/4 x +8 </em>

<em></em>

<em>Hope this was helpful!</em>

4 0
2 years ago
Do the functions have the same concavity? f(x)=2x^2-10x-30
kumpel [21]

Answer:

Use the inflection points to set up intervals. Substitute a value into each interval to find where the curve is concave up or down.

The graph is concave up

5 0
2 years ago
Read 2 more answers
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