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Ivahew [28]
3 years ago
9

Need help fast please

Mathematics
1 answer:
iris [78.8K]3 years ago
7 0

Answer:

c.

Step-by-step explanation:

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Please answer with correct answers thank you... 6-7
sineoko [7]

Answer:

6.  300/4 feet per hour or feet/hour

7. 90/10 feet per second or feet/sec

Try simplifying the fractions though.  

Step-by-step explanation:

average rate of change just means the change in distance per the change in time (per meaning divided by).  what is the change in distance?  700-400 = 300.  change in time is 6-2 = 4 hours. so 300/4  

Same thing, change in distance is 100 - 10 feet and change in time is 40-30 seconds so the average rate of change is 90/10 feet per second

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3 years ago
Ben and Angela were riding their bicycles one afternoon. They kept track of their own cycling rates, as shown in the graphs belo
lesya [120]
Whats the actual question here??
7 0
3 years ago
If the line passing through the points (a, 1) and (−2, 6) is parallel to the line passing through the points (−12, 9) and (a + 2
iren2701 [21]

\frac{6 - 1}{ - 2 - a}  =  \frac{9 - 1}{ - 12 - a - 2}  \\  \frac{5}{ - 2 - a}  =  \frac{8}{ - 14 - a}  \\ 16 + 8a = 70 + 5a \\ 3a = 54 >  > a = 18
8 0
3 years ago
If anyone is good in Pythagoras theoram please help me
Yanka [14]

Answer:

a^2+B^2=c^2

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which equation does not represent a direct variation?
tatuchka [14]
Okay I think there has been a transcription issue here because it appears to me there are two answers. However I can spot where some brackets might be missing, bear with me on that.

A direct variation, a phrase I haven't heard before, sounds a lot like a direct proportion, something I am familiar with. A direct proportion satisfies two criteria:

The gradient of the function is constant s the independent variable (x) varies

The graph passes through the origin. That is to say when x = 0, y = 0.

Looking at these graphs, two can immediately be ruled out. Clearly A and D pass through the origin, and the gradient is constant because they are linear functions, so they are direct variations.

This leaves B and C. The graph of 1/x does not have a constant gradient, so any stretch of this graph (to y = k/x for some constant k) will similarly not be direct variation. Indeed there is a special name for this function, inverse proportion/variation. It appears both B and C are inverse proportion, however if I interpret B as y = (2/5)x instead, it is actually linear.

This leaves C as the odd one out.

I hope this helps you :)
4 0
3 years ago
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