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ludmilkaskok [199]
3 years ago
14

Help me and I give you points because u like points ;)

Mathematics
2 answers:
Nastasia [14]3 years ago
7 0

Answer:-1/6

Step-by-step explanation:

ValentinkaMS [17]3 years ago
4 0

Answer:

-1/5

Step-by-step explanation:

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Elza [17]
The answer is 9 3/7 the last one
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A garden hose supplies 36 gallons of water in 3 minutes. What is the garden hose's water flow in gallons per minute.
Ne4ueva [31]

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12

Step-by-step explanation:

36/3 =12

8 0
2 years ago
The perimeter of a rectangle is represented by the expression 12x-2812x−28. The length of the rectangle is represented by the ex
Minchanka [31]

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8 0
2 years ago
Please help i dont understand what its asking
Arisa [49]

Multiply both the numerator and denominator by 2+\sqrt3, which is called the "conjugate" of 2-\sqrt3:

\dfrac{5+\sqrt3}{2-\sqrt3}\cdot\dfrac{2+\sqrt3}{2+\sqrt3}

Why do we pick this number? Recall the difference of squares factorization:

a^2-b^2=(a-b)(a+b)

Now replace a=2 and b=\sqrt3. Then

(2-\sqrt3)(2+\sqrt3)=2^2-(\sqrt3)^2=4-3=1

So in your fraction, you end up with

\dfrac{5+\sqrt3}{2-\sqrt3}=\dfrac{(5+\sqrt3)(2+\sqrt3)}1=(5+\sqrt3)(2+\sqrt3)

Finally, just expand the product.

(5+\sqrt3)(2+\sqrt3)=10+7\sqrt3+(\sqrt3)^2=\boxed{13+7\sqrt3}

7 0
2 years ago
What is the answer please help
Paladinen [302]
4 + 9 = 13
12 - 8 = 4
5 0
3 years ago
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