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Dafna1 [17]
3 years ago
13

Simplify the expression

Mathematics
2 answers:
olasank [31]3 years ago
7 0

Answer:

3x^{\frac{1}{2}}y^{-1}

Step-by-step explanation:

The given expression is:

\frac{15xy}{5x^{\frac{1}{2}}y^2}

We have to simplify the above given expression.Thus,

Firstly, divide the constant terms, we get

\frac{15}{5}=3

Now, applying the exponent law, that is \frac{x^a}{x^b}=x^{a-b}, we have

\frac{xy}{x^{\frac{1}{2}}y^2}=x^{1-\frac{1}{2}}y^{1-2}=x^{\frac{1}{2}}y^{-1}

Thus, the simplified form of the above given equation is:

3x^{\frac{1}{2}}y^{-1}

SashulF [63]3 years ago
4 0

Answer:

The simplified form of given expression\frac{15xy}{5x^{\frac{1}{2}}y^2} is \frac{3x^{\frac{1}{2}}}{y}

Step-by-step explanation:

Given: Expression \frac{15xy}{5x^{\frac{1}{2}}y^2}

We have to write the given expression in simplified form,

Consider the given expression \frac{15xy}{5x^{\frac{1}{2}}y^2}

Divide the numbers \frac{15}{5}=3

we get,

=\frac{3xy}{y^2x^{\frac{1}{2}}}

Apply exponent rule , \frac{x^a}{x^b}\:=\:x^{a-b}

\frac{x}{x^{\frac{1}{2}}}=x^{1-\frac{1}{2}}=x^{\frac{1}{2}}

we get,

=\frac{3yx^{\frac{1}{2}}}{y^2}

Cancel y term, we have,

=\frac{3x^{\frac{1}{2}}}{y}

Thus, The simplified form of given expression\frac{15xy}{5x^{\frac{1}{2}}y^2} is \frac{3x^{\frac{1}{2}}}{y}

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it cost $35 for one adult and two children to attend a show. It cost $60 for two adults and three children to attend the same sh
N76 [4]
Assume that,
adult = x
child = y

x+2y = 35 (1st equation)
2x+3y = 60 (2nd equation)
x = 35-2y (3rd equation)

Substitute 3 into 2 :

2(35-2y) + 3y =60
70-4y +3y = 60
y = 10

x+2y = 35
x+2(10) =35
x +20 =35
x = 15

One adult = $15


7 0
3 years ago
Can somebody answer quick please!
kirill115 [55]

Answer:27/2

Step-by-step explanation: The ratio stays the same. So 4/6 = 9/x. Solve that and get 27/2

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