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VMariaS [17]
2 years ago
6

PLEASE HELP AND HURRY

Mathematics
1 answer:
Inessa [10]2 years ago
6 0

Answer:

4.75x=54+2.5x    x=24

Step-by-step explanation:

x=Number of games

4.75x=54+2.5x

Subtract 2.5x from both sides:

2.25x=54

Divide both sides by 2.25:

x=24

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you were overcharged 4.52 on your cell phone bill 3 months in a row. the cell phone company says that it will add -4.52 to your
Digiron [165]

<u>Answer:</u>

No, incorrect. It should be -13. 56 unit

<u>Step-by-step explanation:.</u>

I am overcharged  4.52 unit on my cell phone 3 months in a row.

So, net amount I am overcharged = 4.52 \times 3 unit

                                                           = 13.56 unit

So, in the next bill there should be an adjustment of - 13.56 unit. But, here it is given - 13.28 unit only. So, this is incorrect.

7 0
2 years ago
Which number produces a irrational number when added 0.25
Helen [10]
I think the easiest way to think about this is to put 0.25 into fractional form. 0.25 = 1/4 because 4 divided into 1 = 0.25

So 1/4 added to 2/9 will give us a fraction (rational number). Of course to determine what the fraction is, we have to get a common denominator.
(In case you wanted to know what that rational number is: The least common denominator would be 36. So changing 1/4 by multiplying top and bottom by 9 gives 9/36 and changing 2/9 by multiplying top and bottom by 4/4 gives 8/36 and adding 9/36 to 8/36 gives 17/36 - a rational number.)
6 0
2 years ago
A sample of 100 wood and 100 graphite tennis rackets are taken from the warehouse. if 13 wood and 10 graphite are defective and
Nimfa-mama [501]

Let's split the problem in non-intersecting subsets: we have 87 good wood racquets, 13 defective wood rackets, 90 good graphite racquets, 10 defective graphite rackets.


The probability that the racket is wood or defective covers the following subsets: good wood, defective wood and defective graphite, which have, respectively, 87, 13 and 10 elements.


Since the total is 200 elements, the probability is


\frac{87+13+10}{200} = \frac{110}{200} = 0.55

8 0
3 years ago
The formula for the area of a sector with a central angle in radians is ?
zlopas [31]
S= \frac{r^2*\alpha}{2}

4 0
3 years ago
What are the dimensions of this matrix?Help!!!
cupoosta [38]

Answer:

The dimensions ⇒ 3 × 4

Step-by-step explanation:

* Any matrix has two dimensions

- Raw and column

- The dimensions very important in the operations on matrices

- We called the number of raw m and the number of column n

- We must write the number of raw before the number of column

- m × n is the dimensions of the matrix

* Example : If the dimension of a matrix is 2 × 3, that

  means the matrix has 2 raw and 3 column

* Now lets look to our problem

∵  It has 3 raw and 4 column

∴ Its dimensions is 3 × 4

4 0
3 years ago
Read 2 more answers
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