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3 years ago

The graph from question #8 shows the total fare, y, for a taxi ride with respect to the miles traveled, x.

1 answer:

7 0

I manage to check the graph from other source. I think the answer will be "The slope is 0.40 and it represents the cost per mile traveled."

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For a certain model of car the distance d required to stop the vehicle if it is traveling at v mi/h is given by the formula d =

enyata [817]

Given that For a certain model of car the distance $d$ required to stop the vehicle if it is traveling at $v$ mi/h is given by the formula $d=v+\frac{v^2}{20}, where [tex]d$ is measured in feet.

If Kerry wants her stopping distance not to exceed 75 ft, then the range of speeds (in mi/h) can she travel is obtained as follows:

$v+ \frac{v^2}{20} \leq75 \\ \\ 20v+v^2\leq1,500 \\ \\ v^2+20v+100\leq1,500+100 \\ \\ (v+10)^2\leq1,600 \\ \\ |v+10|\leq\sqrt{1,600} \\ \\ -40\leq v+10\leq40 \\ \\ -40-10\leqv\leq v\leq40-10 \\ \\ -50\leq v\leq30$

Therefore, the range of speed she can travel is $v\leq30\ mi/hr$

8 0

2 years ago

Help meee please <img src="https://tex.z-dn.net/?f=%20%20%5Csqrt%7B%3F%7D%20%7B78%7D%20%7D%20" id="TexFormula1" title=" \sq

tekilochka [14]

I think it is 8.83? I am not positive but it is worth a try

7 0

2 years ago

PLEASE HELP ASAP!! RATIONAL EXPRESSION MULTIPLE CHOICE QUESTION!! PLS

Solnce55 [7]

The answer is: B

Hope this helped!

4 0

2 years ago

Ali picked three numbers out of a hat. Use the information in the box to work out what numbers he picked. The lowest number was

IgorC [24]

Answer:

The numbers he picked are 11, 17 and 24

Step-by-step explanation:

To solve this, we will work with the information we are given, interpreting it properly.

From the information given , we can already decode that the first of the three numbers is 11. We can write that number down.

The next piece of information we are given is that the range is 13.

The range of a data set is the difference between the highest and lowest numbers in the data set.

Let us say that our highest number is x

$Range =x-11$

$x= range + 11\\x=13+11=24$

Now, we know that the highest number of the data set is 24

Finally, from the information given, we can see that the median number is 17. This is the middle number of the data set. we can simply write that down since the number of figures in our data set is an odd number.

Hence the numbers picked are

11, 17 and 24 arranging them in an ascending order

7 0

2 years ago

Help me I’m not sure the answe

DiKsa [7]

Answer:

i believe it would be the last option.

Step-by-step explanation:

3 0

3 years ago