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dezoksy [38]
3 years ago
13

Attached pic...please simplify

Mathematics
2 answers:
liraira [26]3 years ago
5 0

Answer:

The answer is C

kati45 [8]3 years ago
3 0
Answer: C

Explanation:

First use the properties of radicals to get y / x * 1 / 2y.

Multiply the fractions to get y / x root 2y.

Next up rationalize and you get root 2y/2x

So your answer is C
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Marco can paddle his canoe at a rate of 6 miles per hour on unmoving water. However, today Marco is canoeing down (with the curr
Radda [10]

Answer:

S = v1 t1 = 7 t1    traveling downstream

S = v2 t2 = 5 t2    traveling upstream

7 t1 = 5 t2

7 (6 - t2) = 5 t2     since t1 + t2 = 6

42 - 7 t2 = 5 t2

t2 = 42 / 12 = 3.5 hrs so t1 = 2.5 hrs

S = 7 t1 = 7 * 2.5 = 17.5 mi

Also, S = 5 t2 = 5 * 3.5 = 17.5 mi

3 0
3 years ago
U - 4u + 4 = 7 what is U
valentina_108 [34]
Try to get the u’s on one side so for this to happen, you would subtract the four from both sides.
u - 4u = 7 - 4

combine like terms

-3u = 3

divide by -3

u = -1
8 0
3 years ago
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What is the area of this rectangle in square inches??
rodikova [14]
The area is A. 84 square inches
7 0
3 years ago
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What is 385,734 rounded to the nearest ten thousand?
klasskru [66]

Answer:

390,000

Brainliest?

6 0
3 years ago
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What is the factorization of the trinomial below -x^2+x+42
aksik [14]
For the given trinomial

a=-1, b=1 ,c=42

We need to multiply a by c
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We split the middle term with these two factors
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To obtain,

- {x}^{2} + 7x -6x + 42
We now factor

- {x}^{2} + x + 42 \: = x( - x + 7) + 6( - x + 7)
This implies

- {x}^{2} + x + 42: = (x + 6)(7 - x)
4 0
4 years ago
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