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gayaneshka [121]
2 years ago
5

Determine when the rational expression below is equal to zero ?

Mathematics
2 answers:
Airida [17]2 years ago
8 0
It would be negative
Damm [24]2 years ago
7 0

Answer:

Step-by-step explanation:

x-2=0

x=2

x+4=0

x=-4

at x=2,-4 rational expression =0

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Students in band are selling oranges and grapefruit to earn money for a trip. Mrs.Whitten purchased three boxes of oranges and t
Hitman42 [59]

Answer:

The cost of one box of oranges = $3.3

Step-by-step explanation:

Let x be cost of one box of oranges and y be the cost of one box of grapefruit.

We have been given that Mrs. Whitten purchased 3 boxes of oranges and 2 boxes of grapefruit from a student for a total of $22.50. We can represent this information as:

3x+2y=22.50...(1)  

Mr. Rutig purchased 1 box of oranges and four boxes of grapefruit, spending a total of $28.50. We can represent this information as:

x+4y=28.50...(2)

We will solve our system of linear equations using substitution method.

From equation (1) we will get,

y=\frac{22.50-3x}{2}

Substituting y's value in equation (2) we will get,

x+4*(\frac{22.50-3x}{2})=28.50

x+2*(22.50-3x)=28.50

Upon distributing 2 we will get,

x+45-6x=28.50

x-6x=28.50-45

-5x=-16.5

x=\frac{-16.5}{-5}

x=3.3

Therefore, the cost of one box of oranges is $3.3.

6 0
3 years ago
Type this equation in standard form. 3x = 6y + 8
svetlana [45]
The answer is 3x + 6y= 8
5 0
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Write a linear function f with f(0)=3
Ber [7]

Answer:

8087

Step-by-step explanation:

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2 years ago
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In a 60 sheet package of construction paper there are 15 yellow sheets what is the probability that a randomly selected sheet wi
Free_Kalibri [48]

Answer:

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Step-by-step explanation:

5 0
3 years ago
The area of rectangular kitchen tile is 6x^2-8x-30. The width is 2x-6.
mrs_skeptik [129]

Answer:

L=6x^2-4x+5

P=12x^2-4x-2

Step-by-step explanation:

A=WL

So, we know the area is 6x^2-8x-30 and the width is 2x-6

Substitute

(6x^2-8x-30)=(2x-6)(L)

L=(6x^2-8x-30)/(2x-6

Divide

L=6x^2-4x+5

P=2L+2W

Substitute

P=2(6x^2-4x+5)+2(2x-6)

P=12×^2-8x+10+4x-12

Simplify

P=12x^2-4x-2

7 0
2 years ago
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