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Aleonysh [2.5K]
3 years ago
9

I really need help with this( 25 points to whoever answers)

Mathematics
1 answer:
masya89 [10]3 years ago
6 0
Look over all of the possible answers.  If any of them contains either M or N or both, the result is irrational.  There's one exception:  N^2 produces a rational number because the radical disappears.
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What is the value of x in the a.p<br> x+1,2x-1 and x+5
xxTIMURxx [149]

Answer:

x = 4

Step-by-step explanation:

Since the terms are in an arithmetic progression then there is a common difference between consecutive terms, that is

2x - 1 - (x + 1) = x + 5 - (2x - 1) ← distribute parenthesis on both sides

2x - 1 - x - 1 = x + 5 - 2x + 1, that is

x - 2 = - x + 6 ( add x to both sides )

2x - 2 = 6 ( add 2 to both sides )

2x = 8 ( divide both sides by 2 )

x = 4

The 3 terms are 5, 7, 9

7 0
3 years ago
A car rental agency Advertise renting a car for $24.95 per day and $.33 per mile is Kevin rent the car for today how many whole
pychu [463]

Answer:

Kevin can drive 681 miles.

Step-by-step explanation:

In order to find the amount that he can drive in one day and only pay $250, we have to write an equation for the cost. Using x as the miles he drive, we can express the equation as:

y = .33x + 24.95

Now, we can plug in 250 for y.

250 = .33x + 24.95

225.05 = .33x

681.97 = x

Since we are looking for only whole miles, we have to round down to 681.

6 0
3 years ago
Find the equivalent expression by drawing a line from the left column to the right
Gala2k [10]

Answer/Step-by-step explanation:

2(3x - 1) = 2*3x 2*-1 = 6x - 2

(x*y)2 = (xy)2 = 2xy

2(2x - 3) = 2*2x 2*-3 = 4x - 6

3x + 4x + 2 = (3x + 4x) + 2 = 7x + 2

7x - 7 = 7(x) - 7(1) = 7(x - 1)

x(6 + 9) = x(15) = 15x

2 + 9x + 1 + 3x = (9x + 3x) + (2 + 1) = 12x + 3

4(x + 2) + x = 4x + 8 + x = 4x + x + 8 = 5x + 8

6 0
3 years ago
Which fraction is not equivalent to 7 /30
dybincka [34]
These are the ones that are not equivalent to eachother. 1. 18/30
2. 8/10
3. 4/9
4. 14/18
5. 10/20
6. 20/32
7. 18/30

8 0
3 years ago
Read 2 more answers
Amy's penny bank is 1/2 full. After she adds 360 pennies, it is 5/6 full. How many pennies can Amy's bank hold?
stellarik [79]

Answer:

1,080 Pennies

Step-by-step explanation:

This question is fairly simple, you just have to simplify it. You are starting at already half-full, so you can keep that 1/2 in mind. Then, she adds 360 pennies to get 5/6. If you convert 1/2 into 3/6, you can see that 360 pennies fills 2/6 of the piggy bank. So now you can solve two different ways. The first, you can take 360 and multiply it by 3 to get the amount that can fit in the piggy bank, because 2 * 3 = 6 and that would make it 6/6, or 1. The other way would be to divide 360 by 2 to get 1/6 of the piggy bank, or 180. Then you can multiply 180 by 6 to get the entire amount.

Hope this helped ^-^

5 0
3 years ago
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