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yawa3891 [41]
3 years ago
7

A. According to every running expert out there, in order to reduce the risk of injury, you are not supposed to increase the amou

nt that you run in any week by more than 10% of the previous week. Let’s suppose that I am trying to increase the amount that I run by the maximum allowed by the 10% method. This week, I ran 19.2 miles. Answer the following questions and SHOW ALL WORK.
b. Is this exponential growth or decay?
c. How many miles can I run next week?
d. How many miles can I run in 4 weeks?
e. Write a function that models how many miles I can run after x weeks.
Mathematics
2 answers:
romanna [79]3 years ago
8 0
B should be the answer

allochka39001 [22]3 years ago
3 0

Answer:

I THINK THE ANSWER WOULD BE B

Step-by-step explanation:

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A line that contains the point (-8,-1) and is perpendicular to -15x +3y = 9
zaharov [31]
Put the other line in point slope form...(solve for y :D )

3y=15x+9

y=5x+3, so this line has a slope of 5

For a line to be perpendicular to another the slopes have to be negative reciprocals of each other...mathematically...

s1*s2=-1

So for the other line to be perpendicular to the first:

5m=-1, m=-1/5, thus our other line (so far) is:

y=b-x/5, now we can use the point (-8,-1) to solve for the y-intercept, "b":

-1=b-(-8)/5

-1=b+8/5

-1=b+1.6

b=-2.6

So the perpendicular line that contains the point (-8,-1) is:

y=-0.2x-2.6
7 0
3 years ago
5r^2-3rs<br> r=4<br> s=5 <br> help
Sonbull [250]
5*4^2-3*4*5=80-60=20

Hope that helps you
4 0
3 years ago
A triangle has vertices A(1, 1), B(2, 4), and C(4, 2). Line p is parallel to side AB and contains point C.
kenny6666 [7]

Answer:

p:y = 3x-10

Step-by-step explanation:

We are given the following in the question:

A(1, 1), B(2, 4), C(4, 2)

i) Slope of AB

A(1, 1), B(2, 4)\\\\m = \dfrac{y_2-y_1}{x_2-x_1}\\\\m = \dfrac{4-1}{2-1}=3

Thus, slope of AB is 3.

ii) Point slope form

The point slope form of a line can be written as:

y - y_1 = m(x - x_1)

The point intercept form of line can be written as:

y = mx + c

The line is parallel to AB and contains point C(4, 2). Since line p is parallel to AB, line p will have the same slope as line AB

Putting values, we get,

y - 2 = 3(x-4)\\y = 3x-12+2\\y = 3x-10

which is the required slope intercept equation of line p.

4 0
3 years ago
How do u do percentages
melomori [17]
By changing the number into a decimal, and then moving the decimal twice to the right. 
5 0
3 years ago
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Twenty-five bakery customers were surveyed to determine if they like cake or pie. The results are shown in the Venn diagram. Cir
nikitadnepr [17]

Answer:

Probability = 2/7

Step-by-step explanation:

AS the Venn diagram is not given in the question, the question is incomplete. I've attached the Venn diagram of this question below for a better understanding of the question and its solution.

In the Venn diagram we can see that

Costumers who like Cake = 10

Costumers who like Pie = 8

Costumers who like both = 4

So it means that

Total costumers who like Cake = 10 + 4 = 14

Total costumers who like Pie = 8 + 4 = 12

We have to find probabilty that a costumer who likes cakes also likes pie

So

Total costumers who like cake = 14

Costumers out of 14 who also like pie = 4

Probability = (No. of costumers who also like pie) / (Total costumers who like cake)

Probability = 4/14 = 2/7

5 0
3 years ago
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