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3 years ago

13

a hockey team scored the following number of goals in their last 5 games: 2,3,5,3,2 which is the mean absolute deviation of the

number of goals?

1 answer:

Juli2301 [7.4K]3 years ago

6 0

Should be 5 because it’s in the middle

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3.920 * (1.018)^x = 5.500<br><br>X=?

Andrei [34K]

Answer:

19

Step-by-step explanation:

3.920(1.018)ˣ = 5.500

First we can divide both sides by 3.920 to get: (1.108)ˣ = 1.403
Then we can take the natural log of both sides to get: ln[(1.108)ˣ] = ln(1.403)
We can then use logarithmic rules to move the x exponent to the front: xln(1.108) = ln(1.403)
Then we can divide both sides by ln(1.108) to get: $x=\frac{ln(1.403)}{ln(1.018)}$
Then using a calculator we get x = 18.98 ≈19

5 0

2 years ago

How are you today? <br>Take some time to reflect on your day! <br>Have a great day!

PolarNik [594]

Answer:

I am good!

Step-by-step explanation:

Have a fantastic day!

6 0

2 years ago

Read 2 more answers

What is the value of a1 of the geometric series? Sigma-Summation Underscript n = 1 Overscript infinity EndScripts 12 (negative o

worty [1.4K]

Answer:

12

Step-by-step explanation:

The given geometric series is

$\sum_{n = 1}^{ \infty} 12( { - \frac{1}{9} })^{n - 1}$

We want to determine the first term of this geometric series.

Recall that the explicit formula is

$a_{n} = 12( { - \frac{1}{9} })^{n - 1}$

To find the first term, we put n=1 to get:

$a_{1} = 12( { - \frac{1}{9} })^{1 - 1}$

This gives us:

$a_{1} = 12( { - \frac{1}{9} })^{0}$

$a_{1} = 12(1) = 12$

Therefore the first term is 12

6 0

3 years ago

Read 2 more answers

Solve the system

Alexxandr [17]

Answer:

x = $\frac{2u+v}{7}$

y = $\frac{2v - 3u }{7}$

Jacobian value = 1/7

Step-by-step explanation:

Given data:

u = 2x -y

v = 3x + 2y

solving the system for x and y in terms of u and v

x = $\frac{2u+v}{7}$

y = $\frac{2v - 3u }{7}$

The value of the Jacobian = 1/7 ( solution attached below )

Image under the transformation of the triangular region with vertices ( 0,0) , (2,4) and (2,-3) in the x-y plane is attached below

5 0

2 years ago

Jack scored a mean of 15 points per game in his first 3 basketball games. In his 4th game, he scored 27 points. What is his mean

timurjin [86]

His mean score for the first 4 games will be 18 points.

Explanation

In the first 3 games, the mean of the scores is 15 points . Mean is the simple average of some numbers.

So, the total score in first 3 games = $(15*3)= 45$ points

Now, in the 4th game, he scored 27 points. So, the total score in the first 4 games = $45+27= 72$ points

Thus, the average of scores in first 4 games = $\frac{72}{4} = 18$ points

So, his mean score for the first 4 games will be 18 points.

7 0

3 years ago