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siniylev [52]
2 years ago
8

Hurry please!!!!!!!!!!!!!!!

Mathematics
1 answer:
Neko [114]2 years ago
3 0
I think it’s letter c
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A teacher wrote the following set of numbers on
Rama09 [41]

Answer:

Did you copy this down correctly?

Step-by-step explanation:

b = .125 which is rational

a is irrational because the square root of a prime number is irrational.

If c = 225....

then adding 2 rational numbers = rational sum

But adding (or multiplying) an irrational number to a rational number = irrational number.

6 0
3 years ago
What is the median of the scores shown in the stem-and-leaf plot?
AlekseyPX
The answer is 88. Median is middle number and you don’t count the same number twice
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3 years ago
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An item is regularly priced at $35. It is on sale for 20% off the regular price. How much (in dollars) is discounted from the re
Lisa [10]

Answer:

7

Step-by-step explanation:

you multiply 35 by .20

4 0
3 years ago
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In how many orders can six people line up from left to right for a group photo?
slavikrds [6]

Answer:

720 possible orders

Step-by-step explanation:

To order 6 people in a line, let's imagine them as 6 possible spaces:

( )( )( )( )( )( )

Going from left to right, let's start with space 1.

There are 6 possibilities for space 1 as any of the 6 people could occupy that space in the line.

(6)( )( )( )( )( )

Next, since one person will have already occupied space 1, there are only 5 people left who can occupy space 2, so there are 5 possibilities for space 2:

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Continuing in this fashion, there are now only 4 people left so 4 possibilities for space 3 and etc.

(6)(5)(4)(3)(2)(1)

This means we have 6,5,4,3,2 and 1 possibilities for each space respectively.

Multiply them together and we have:

6x5x4x3x2x1 = 720 possible orders.

Hope this helped!

5 0
3 years ago
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(12x 4 + 17x 3 + 8x - 40) ÷ (x + 2)
IrinaK [193]
(12x^4 + 17x^3 + 8x - 40) ÷ (x + 2)

<span> =<span><span>‌<span><span><span><span><span>12<span>x^4</span></span>+<span>17<span>x^3</span></span></span>+<span>8x</span></span>−40 / </span><span>x+2</span></span></span>‌</span></span><span> =<span><span>‌<span><span><span>(<span>x+2</span>)</span><span>(<span><span><span><span>12<span>x^3</span></span>−<span>7<span>x^2</span></span></span>+<span>14x</span></span>−20</span>) / </span></span><span>x+2</span></span></span>‌</span></span><span> =<span><span><span><span>12<span>x^3</span></span>−<span>7<span>x^2</span></span></span>+<span>14x</span></span>−<span>20</span></span></span>
4 0
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