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Ad libitum [116K]
3 years ago
11

Convert 7 meters per minute to yards per hour round to the nearest 10

Mathematics
2 answers:
Aneli [31]3 years ago
5 0
It should be 459.318.
Usimov [2.4K]3 years ago
3 0
6.4 yph 

Hope this helps **
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How to solve this problem?
OverLord2011 [107]
What happens when a quadratic function touches the x-axis only once?  It means that the quadratic function has only one real zero.  So which formula should we use? How about the almighty quadratic formula?

So when does the quadratic formula give you only one real zero? When the discriminant is equal to zero!

The discriminant is: b²-4ac

In our quadratic equation that means:
b = (3+m)
a = 4
c = 1

Thus, we need to solve: (3+m)²- 4*(4)*(1) = 0

m²+ 6m + 9 - 16 = 0
m² + 6m - 7 = 0
(m+7)(m-1) = 0
m = -7, 1

That's it! Plug back in and graph to see that it actually works!
6 0
3 years ago
Shen picks a rational number.What is true about the opposite of his number?
iogann1982 [59]
A lot depends upon your interpretation of "opposite."  Do you mean "reciprocal?"

If you give the number a, the reciprocal would be 1/a.  Is that what you mean?

Or do you mean "the number with opposite sign?"  If you give the number b, "the number with opposite sign" would be -b.

Consider both cases.  Choose a rational number (such as 7/8).  Find the reciprocal of this number.  Find the number with opposite sign of this number.
5 0
3 years ago
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Help I'm Timed!! PLZ!!!!!!!!<br> the question is in the pic!
VladimirAG [237]

The answer is X is greater than -2! <3

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At 5 seconds, an object's velocity is 9 meters per second. At 8 seconds, the object's velocity is 25 meters per second. Assuming
RideAnS [48]

Acceleration  =  (change in speed) / (time for the change) .

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Time for the change = (8 sec  -  5 sec)  =  3 seconds

Acceleration  =  (change in speed) / (time for the change)

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(rounded to the nearest hundredth ...  5.33 m/s² . )
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3 years ago
Using the probability scale, what is the probability that a red cube will be drawn when a cube is selected from a bag that has 5
dmitriy555 [2]

Answer:

D

Step-by-step explanation:

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