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wel
2 years ago
13

I NEED HELP NOWWWW PLSSS

Mathematics
1 answer:
zalisa [80]2 years ago
5 0

The data shows that the number of male, female, adult, and baby moose that are in the park will be 52, 34, 58, and 28 respectively.

<h3>What is data?</h3>

It should be noted that data simply means the facts and statistics that are given which are used for analysis.

In this case, the data shows that the number of male, female, adult, and baby moose that are in the park will be 52, 34, 58, and 28 respectively. This can be seen from the information in the table.

Learn more about data on:

brainly.com/question/19243813

#SPJ1

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Jocelyn is training for a race by running several miles each day. she tracks her progress by recording her average speed in minu
Luden [163]

Finding the regression equation, her average speed on the 9th day should be expected to be of 6.92 minutes per mile.

<h3>How to find the equation of linear regression using a calculator?</h3>

To find the equation, we need to insert the points (x,y) in the calculator.

Researching the problem on the internet, the values of x and y are given as follows:

  • Values of x: 1, 2, 3, 4, 5, 6.
  • Values of y: 8.2, 8.1, 7.5, 7.8, 7.4, 7.5.

Hence, using a calculator, the equation for the average minutes per mile after t days is given by:

V(t) = -0.15143t + 8.28

Hence, for the 9th day, t = 9, hence the estimate is:

V(9) = -0.15143(9) + 8.28 = 6.92 minutes per mile.

More can be learned about regression equations at brainly.com/question/25987747

#SPJ1

4 0
2 years ago
Decrease £19064.67 by 9.5%
ANTONII [103]

Answer:

17253.52

Step-by-step explanation:

100-9.5=90.5

19064.67*0.905=17253.52

3 0
3 years ago
Suppose that pulse rates among healthy adults are normally distributed with a mean of 80 beats/second and a standard deviation o
olga_2 [115]

Answer:

0.3520

Step-by-step explanation:

We have been given that the pulse rates among healthy adults are normally distributed with a mean of 80 beats/second and a standard deviation of 8 beats/second. We are asked to find the proportion of healthy adults have pulse rates that are more than 83 beats/sec.

First of all, we will find z-score corresponding to sample score of 83 as:

z=\frac{x-\mu}{\sigma}, where,

z = Z-score,

x = Sample score,

\mu = Mean,

\sigma = Standard deviation.

Upon substituting our given values in z-score formula, we will get:

z=\frac{83-80}{8}=\frac{3}{8}=0.375\approx 0.38

Now, we need to find the probability that a z-score is greater than 0.38.

Using formula P(z>a)=1-P(z, we will get:

P(z>0.38)=1-P(z

Using normal distribution table, we will get:    

P(z>0.38)=1-0.64803

P(z>0.38)=0.35197

P(z>0.38)\approx 0.3520

Therefore, 0.3520 of healthy adults have pulse rates that are more than 83 beats/sec.

8 0
4 years ago
If C (Circumfrence) = 314 m, what is the area?
IRINA_888 [86]

Answer:

   7850 m^2

Step-by-step explanation:

The circumference of a circle is given by

C = 2*pi *r

314 = 2 * 3.14 *r

314 = 6.28 r

Divide each side by 6.28

314/6.28 = 6.28 r/6.28

50  m= r

Now we need to find the area

A = pi * r^2

A = 3.14 *r^2

A = 3.14 (50)^2

  = 3.14 (2500)

   7850 m^2

8 0
3 years ago
Solve the equation y=2x^2-x-6 using the quadratic formula show the steps to solving
saul85 [17]

Answer:

x1 = 2 \\ x2 =  -  \frac{3}{2}

Step-by-step explanation:

x =  \frac{ - b +  -  \sqrt{ {b}^{2} - 4ac } }{2a}  \\ x =  \frac{1 +  -  \sqrt{ {( - 1)}^{2} - 4(2)( - 6) } }{2(2)}  \\ x =  \frac{1 +  -  \sqrt{1  + 48} }{4}  \\ x =  \frac{1 +  -  \sqrt{49} }{4}  \\ x =  \frac{1 +  - 7}{4}  \\  \\ x1 =  \frac{1  + 7}{4}  =  \frac{8}{4}  = 2 \\ x2 =  \frac{1 - 7}{4}  =   - \frac{6 }{4}  =  -  \frac{3}{2}

7 0
4 years ago
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