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Vesnalui [34]
3 years ago
5

Express the sum in simplest form 1/x + 1/y PLEASE!!!!!! I’m trying to graduate

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
8 0

Answer:

(x-y)

Step-by-step explanation:

convert the numerator and denominator so they can be written as single fractions.. (x/y) -(y/x) = (x/y)*(x/x) - (y/x)*(y/y) = (x^2 -y^2) / (xy) ; now the denominator (1/y)*(x/x) + (1/x)*(y/y) = (x+y)/ (xy) ; now remember that dividing by a fraction is the same as multiplying by the reciprocal so your problem now becomes [(x^2 -y^2)/(xy)] * [(xy)/(x+y)] = (x^2-y^2) / (x+y) = [(x+y)(x-y)]/(x+y) = final answer (x-y)

olga nikolaevna [1]3 years ago
8 0

\frac{y + x}{xy}

hope this helps!

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15 points please help!! :)<br> Find the value of x.
andriy [413]

Answer:

Question 4: -11

Question 5: -7

Step-by-step explanation:

Four

Every triangle has 180 degrees.

So all three angles add to 180

<em><u>Equation</u></em>

60 + 80 + x + 51 = 180

<em><u>Solution</u></em>

Combine the like terms on the left. This is the first time I've seen x be a negative value. Almost all of the time it isn't, which should make you wonder.

191 + x = 180    

Subtract 191 from both sides.

191 - 191 + x = 180 - 191

x = - 11

Five

If a triangle is a right triangle and one of the angles is 45, then so is the other one.

<em><u>Proof</u></em>

a + 45 + 90 = 180         Combine like terms on the left

a + 135 = 180                Subtract 135 on both sides.

a + 135-135=180-135    Combine the like terms

a = 45

<em><u>Statement</u></em>

That means 52 + x = 45 and here is another negative answer. Subtract 52 from both sides

52 - 52 + x = 45 - 52    Combine like terms.

x  = - 7

6 0
3 years ago
Read 2 more answers
Jackson drinks 0.44 liters of water, which was 55% of the water in the bottle. How much water was in the bottle to start?
Delicious77 [7]

Answer:

He had 0.8 liters to start with...

Step-by-step explanation:

0.44 is 55% of what? (what = x)

Equation: Y = P% * X

X = Y/P%

X = 0.44/55%

55% = 0.55

X = 0.44/0.55

X = 0.8

7 0
4 years ago
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Pls help I’ll give crown
Strike441 [17]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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defon

Answer:

c

Step-by-step explanation:

6 0
4 years ago
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Is greater than, less than or equal to 125°?
muminat

Answer:

the answer is C.

Step-by-step explanation:

equals to 125

4 0
3 years ago
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