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lesantik [10]
3 years ago
12

Question down below thanks

Mathematics
1 answer:
son4ous [18]3 years ago
8 0

Answer:

A

Thanks mate !

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Is 12.89 irrational
STatiana [176]

No.  It's the ratio of  1,289  to  100 .

Also, it can be written as a fraction with whole numbers
on top and bottom, like this:    1289 / 100 .

Also, it can be written down on paper completely, using
digits and a decimal point or fraction bar.  (You did that.)

Any one of these three facts makes it a rational number.

7 0
4 years ago
Please help me pleeeeeeaaassseee
mr_godi [17]

Answer:

Step-by-step explanation:

answer no 3:

1] Factor out the common term 2.

2(3x+y) = -26

2] Divide both sides by 2.

3x+y= -26/2

3x+y = − 13

 

3]Subtract y from both sides.

3x = - 13-y

4] Divide both sides by 3.

x = -13-y/3

Part 2:-

Add 6y to both sides.

x=21+6y

x=21+6y

​  

4 0
3 years ago
Evaluate 2/3 + 1/3 + 1/6 + … THIS IS CONTINUOUS. It is NOT as simple as 2/3 + 1/3 + 1/6.
Vlada [557]

a=\dfrac{2}{3}\\r=\dfrac{1}{2}

The sum exists if |r|

\left|\dfrac{1}{2}\right| therefore the sum exists

\displaystyle\\\sum_{k=0}^{\infty}ar^k=\dfrac{a}{1-r}

\dfrac{2}{3}+\dfrac{1}{3}+\dfrac{1}{6}+\ldots=\dfrac{\dfrac{2}{3}}{1-\dfrac{1}{2}}=\dfrac{\dfrac{2}{3}}{\dfrac{1}{2}}=\dfrac{2}{3}\cdot 2=\dfrac{4}{3}

5 0
3 years ago
Which expression is a quadratic binomial? 3 x 4 −2x x 2 −9x 2 x 4 +9 x 2 −6x−1 7x²
svetlana [45]
To solve the problem shown above it is important to know that a binomial is a polynomial that has two terms. When the highest exponent of the binomial is 2, it is a binomial with degree 2, this is also called or know as "quadratic binomial". Therefore, keeping this on mind, you must identify which of the polynomial above has degree 2.

 As you can see, the answer is: <span>−6x−1 7x²</span>
4 0
4 years ago
SHOW WORK
nika2105 [10]

Answer:

b=-3

Step-by-step explanation:

9+3=-4b

12=-4b

b=12/-4

b=-3

6 0
3 years ago
Read 2 more answers
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