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salantis [7]
3 years ago
7

Plz help!!! will give 20 points

Mathematics
2 answers:
dybincka [34]3 years ago
7 0

Answer:

I think the answer would be 1/2

Zigmanuir [339]3 years ago
5 0

Answer:

1/2

Step-by-step explanation:

-2 and 3 are out of the equation because they do not represent chance, 3/2 is out of the equation because the question says it has to be a possibility and 3/2 means it WILL happen, but 1/2 is a possibility that it could and could not happen. Hope I helped!

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The cost to make a Nike shoe is $20 USD and the store wants to make a profit of 75% of the cost price.
Alenkasestr [34]

so 75%of 20 is 15.00

and then we 20.00+15.00= 35.00

plus sales tax of 5%

so I got 36.75$ after taxs

4 0
3 years ago
Giselle has $16.25 in her wallet and needs to get to her uncle���s house 8 miles away. a taxi costs $2.50 for the first mile and
Talja [164]
$2.50 + $1.75 (7) =

$2.50 + $12.25 = $14.75
6 0
3 years ago
Each score in a set of data is multiplied by 3, and then 4 is subtracted from the result. If the original mean is 10 and the ori
olganol [36]

The new mean and standard deviation is 26 and 15, when each score in data set is multiplied by 5 and then 7 is added.

According to the question,

Original mean is 10 and original standard deviation is 5 . In order to find to new mean and standard deviation when each score in data set is multiplied by 5 and then 7 is added.

First "change of scale" when every score in a data set is multiplied by a constant, its mean and standard deviation is multiplied by a same constant.

Mean: 10*3 = 30

Standard deviation: 5*3 = 15

Secondly "change of origin" when every score in a data set by a constant, its mean get  added or subtracted by the same constant and standard deviation remains constant.

Applying change of origin in the above mean and standard deviation  

Mean: 30 - 4 = 26

Standard deviation: Remains same = 15

Hence, the new mean and standard deviation is 26 and 15, when each score in data set is multiplied by 5 and then 7 is added.

Learn more about Mean and standard deviation here

brainly.com/question/26841432

#SPJ4

5 0
2 years ago
Add these fractions 5/7 + 2/7 is it to 3 or
svp [43]

Answer:

1

Step-by-step explanation:

5/7+2/7 add the numerator to equal 7/7 simplify to 1/1 equals 1

3 0
2 years ago
Read 2 more answers
Find the intersection points of the linear and quadratic functions shown below f(x)=2x-5 g(x)= x2+2x-21
Mice21 [21]

Answer:

(-4,-13) and (4,3) the intersection points.

Step-by-step explanation:

Intersection point of two functions is a common point which satisfies both the functions.

Given functions are,

f(x)=2x-5

g(x)=x^2+2x-21

For a common point of these functions,

f(x)=g(x)

2x-5=x^2+2x-21

-5=x^2-21

0=x^2-16

x^2=16

x=-4,4

For x=-4,

f(-4)=g(-4)=2(-4)-5

                       =-13

For x=4,

f(4)=g(4)=2(4)-5

                  =3

Therefore, (-4,-13) and (4,3) the intersection points.

3 0
3 years ago
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