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kakasveta [241]
3 years ago
8

The following are the last 10 run scores Colin got in cricket: 21, 14, 23, 23, 20, 8, 23, 34, 10, 22 a) Work out Colin's mean sc

ore. b) Colin plays cricket again on Sunday. He gets 22 runs. What is his new mean score? Give your answers as decimals. Please answer ASAP.
Mathematics
1 answer:
irakobra [83]3 years ago
4 0

Answer:

19.8,41.8

Step-by-step explanation:

wish you all the best hope you understand.

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X-(2x+3)<br> how to solve and why you change the sign for the +3?
alekssr [168]

Answer:

-x - 3

Step-by-step explanation:

x-(2x + 3)

=> x-1(2x + 3)

=> x - 2x - 3

=> -x - 3

Therefore, this is the solution. Hoped this helped.

GeniusUser

6 0
3 years ago
Read 2 more answers
If (7^0)^x = 1, what are the possible values of x? Explain answer please
ella [17]
Anything to the 0 power is 1
and 1 to the any power is 1
so x can be any number
3 0
3 years ago
How do you solve 9x-(5x-7)=39
zysi [14]

First thing you would do is distribute the negative on the outside of the parentheses to the inside terms:

9x - 5x + 7 = 39

Now, combine like terms:

4x + 7 = 39

Subtract 7 from both sides to get variables on one side of the equal sign and constants on the other:

4x = 39 - 7

4x = 32

Divide both sides by 4 to isolate the variable x.

x = 32 / 4

x = 8

6 0
4 years ago
Read 2 more answers
A dj is preparing a playlist of 21 songs. how many different ways can the dj arrange the first six songs on the​ playlist?
kirill115 [55]
Answer: The are 39,070,080 different ways the DJ can play the first 6 songs.

We will use the Fundamental Counting Principle to find the answer. Simply determine the number of choices for each position and multiply.

For the first choice there are 21 choices. Then, the number is reduced by 1 each time.

So to get the answer, we have to multiply the numbers below:

21 x 20 x 19 x 18 x 17 x 16
6 0
3 years ago
If (x+2)^2+(y-5)^2=25 is the equation of a circle, which statement describes the circle's graph?
Aleonysh [2.5K]

Answer:

B

Step-by-step explanation:

The standard form of a circle is

(x-h)^2+(y-k)^2=r^2

where h and k are the coordinates of the center of the circle and the radius is squared.  The radius is easy...take the square root of 25 to get that the radius is 5.  Since the pattern for the standard form is "x-" and "y-", if (x+2)^2 is the horizontal placement of the center, it actually was originally written as (x-(-2))^2, so the h coordinate is -2.  Same goes for the vertical movement of the center.  (y-(5))^2 means that the k coordinate is a positive 5.

5 0
3 years ago
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