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Kazeer [188]
3 years ago
12

Hi there can anyone help me with this question please

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
5 0
To find the mean of values we have to add all of them and then we count them and divide the added answer by the total number of values
(87+84+86+79+84+90)/6 =510/6 = 85
levacccp [35]3 years ago
4 0
The answer is 4. The mean is 4 beacuse thats what you multiply ... and yeah

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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 <span>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
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8 0
3 years ago
Find the area and the circumference of a circle with Diameter 6 yd . Use the value 3.14 for pi , and do not round your answers .
Maurinko [17]

Step-by-step explanation:

i hope this helps its kind of hard to see but i tried lol

4 0
2 years ago
Eric traveled to three cities on a single highway. The distance from his original location to the first city was 100 miles more
Anna35 [415]

Answer:

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Step-by-step explanation:

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3 years ago
G(x) = 4x + 3; Find g(10)
adelina 88 [10]

Answer:

43

Step-by-step explanation:

g(x)=4x+3

plug in 10

g(10)= 4(10)+3

      = 40+3

      = 43

8 0
3 years ago
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