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Jlenok [28]
3 years ago
6

Help will give branliest 15 pointss..

Mathematics
2 answers:
Ber [7]3 years ago
7 0

Answer:

x = 3

Step-by-step explanation:

2x + 3 = 9

2(3) + 3 = 9

6 + 3 = 9

Hope this helps!

=)

svp [43]3 years ago
7 0

Answer: x=4

Step-by-step explanation: do the problem backward. 9-3=6, 6 divided by 2 is 4.

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What is the mean of this data? 7,5,5,3,2,2
Vikentia [17]

Answer:

4

Step-by-step explanation:

The mean is the average of a data set. It can be found by adding up all of the values in a data set and then dividing it by the number of values in the data set.

The values in this data set;

7,5,5,3,2,2

The number of values in this data set,

6

Find the mean;

\frac{sum\ of\ vlaues}{number\ of\ values}

=\frac{7+5+5+3+2+2}{6}\\\\=\frac{24}{6}\\\\=4

8 0
2 years ago
An electronics store has portable CD players on sale for $54.95. If the local sales tax is 6.5%, what is the total cost of a CD
borishaifa [10]

Answer:

Total cost of CD player = $58.52

Step-by-step explanation:

Given data:

Price of CD player on sale= $54.95

Local sales tax = 6.5%

Total cost of CD player = ?

Solution:

Local sales tax= (6.5 * 54.95)/100 = $3.57

Total cost of CD player = Price of CD player on sale + Local sales tax

                                       =  $54.95 + $3.57

         Total cost of CD player = $58.52



7 0
3 years ago
Please help me I’ve asked this questions several times and I really need help with this I do not understand it at all
Ulleksa [173]

Answer:

(-5,-2)

(-4,-3)

(-6,-1)

Step-by-step explanation:

-5(x)-2(y)=-7

-4(x)-3(y)=-7

-6(x)-1(y)=-7

6 0
2 years ago
100 Points please answer the question ​
ZanzabumX [31]

Answer:

B) 54 inches

Step-by-step explanation:

2*3 = 6

3*3 = 9

A= l*w

6*9=54

4 0
3 years ago
Read 2 more answers
By decreasing each dimension by 1 unit​, the area of a rectangle decreased from 40 square feet​ (on the​ left) to 28 square feet
BabaBlast [244]
Attached a pic of the solution (s).

7 0
3 years ago
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