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liq [111]
3 years ago
7

PLEASE HELP ME!!! I'm suck on this one. I WILL MARK BRAINEST!!!

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0
If you took out the outlier, (25) the mean would change because to find the mean you add the numbers together and then divide the total you get by the amount of numbers presented. With the outlier: 70 divided by 7 = 10 
Without the outlier: 45 Divided by 6 = 7.5. As you can see, there is a difference of 2.5 if you take the outlier away.

                               Hope this helps, and good luck! 
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The equation y - 2 = 3(x + 1) is in point-slope
attashe74 [19]
Y-2=3x+3
Then add two
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Hope this helps sorry if wrong
5 0
4 years ago
Work out the value of a and b in the identity.<br> 3ax + 6 - 4(x + b)= 11x + 14
Levart [38]

Answer:

a=5, b=-2

Step-by-step explanation:

If you simplify the equation, you get:

3ax +6 -4x -4b - 11x - 14 = 0 =>

3ax - 15x -4b -8 = 0

group together x's and constants:

(3a-15)x -8 -4b = 0

To make this 0 for all x, we have to find an a such that 3a-15 = 0 and b such that -8-4b = 0. this leads to a=5, b=-2

5 0
4 years ago
David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use a credit card. Past evidenc
shusha [124]

Answer:

0.6535

Step-by-step explanation:

Given that during a one-hour period twenty-five customers buy gasoline at this station.

Let X be the no of persons out of these 25 who pay by cash.

X has two outcomes and each trial is independent of other.

Hence X is binomial (n=25, p=0.40)

Required probability

= P(X\geq 10)\\=P(10)+P(11)+...+P(25)\\=\Sigma_{10}^{25}  25Cr (0.4)^r (1-0.4)^{25-r}

=0.6535

7 0
3 years ago
1. if 5 oranges cost 60 cents, how much does 1 orange cost?
Ivahew [28]
1. 12 cents each
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8 0
3 years ago
Make x the subject of the formula 3 b ( 2 x − a 2 ) = 5 d − 7 g x
n200080 [17]

Answer:

<h2>x=\frac{5d+6ba}{6b+7g}</h2>

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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