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11Alexandr11 [23.1K]
3 years ago
11

A tutor kept track of how many students she had helped every week for a year. The range of the number of tutored

Mathematics
1 answer:
zzz [600]3 years ago
3 0

Answer: the same time as the first time in the future and the other is a great way to get the best out of the way and I have to say that this was not.

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(a) find the slope m of the tangent to the curve y = 5/ x at the point where x = a > 0.(b) find equations of the tangent line
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3 years ago
The first and second question please..
kotykmax [81]
Ex 1
the number from 1 to 100, I'll call it x

= (((x + 11) * 6 - 3) / 3 + 5) / 2 - x
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Ex 2
theres 16 teams. 
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3 years ago
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Drupady [299]
Why did the person above me say ok for an answer
6 0
3 years ago
Suppose that a biker bikes into the wind for 84 miles and it takes him 7 hours. After a long rest, he returns (with the wind on
Jobisdone [24]

Answer:

Speed of the biker is 13 mph and that of wind is 1 mph.

Step-by-step explanation:

Given:

Time taken by the biker to cover a distance is 7 hrs when he was travelling against the speed of the wind.

Time taken to cover same distance is 6 hours when he was travelling with the speed of the wind.

We have to find the speed of the biker and that of the wind.

Let the speed of the biker is "b" mph

And the speed of the wind is "w" mph

As we know:

Distance = Product of speed and time

Re-arranging the above situation in terms of equation.

⇒ (b-w)\times 7 = 84                          ⇒ (b+w)\times  6 =84

⇒ 7b-7w=84       ...(i)                   ⇒ 6b+6w=84...(ii)

Multiplying equation (i) with 6 and equation (ii) with 7 so that we can eliminate one variable that is "w" after adding both the equation.

⇒ 42b-42w=504 equation (iii)

⇒ 42b+42w=588 equation (iv)

⇒ Adding both the equations.

⇒ 84b=1092

⇒ b=\frac{1092}{84}

⇒ b=13 mph.

Speed of the biker is 13 mph.

⇒ Plugging b=13 in equation (ii),we have:

⇒ 6b+6w=84

⇒ 6w=84-6b

⇒ 6w=84-6(13)

⇒ 6w=84-78

⇒ 6w=6

⇒ w=\frac{6}{6}

⇒ w=1 mph.

Speed of the biker is 13 mph and the speed of the wind is 1 mph whenever the biker is with the speed of the wind the biker's speed increases by 1 mph and subsequently decreases when he is against the speed of the wind.

3 0
3 years ago
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