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4 years ago

How to reduce to lowest form 1/4 + 2/5

2 answers:

7 0

First, find the least common denominator, which in this case is 20.
Then, multiply the numerator the same amount of times that you did the denominator, which is 5 and 4, respectively, which equals 5 and 8, respectively.
Then, add the numerators, which equals 13.
So, 13/20 is your final answer.

Alinara [238K]4 years ago

4 0

In order to solve this,we need to make sure that the denominators are the same. We can do this by finding the lowest common denominator, meaning which number in the denominator when multiplied by 1,2,3,4 etc will give us the lowest possible number. In this case it is 20. Since we are changing the denominator we have to multiply the numerator and denominator of 1/4 by 5 which gives us 5/20, and we need to multiply the numerator and denominator of 2/5 by 4, giving us 8/20

Now we just the numerators of the two fractions which gives us the answer of 13/20

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F(x)=(x-2)(x+4) what is the y-intercept and x-intercept

GarryVolchara [31]

Answer:

x-int=-8, y-int=2,-4

Step-by-step explanation:

for the x-int

you set x to 0 then solve the equation to get -8

for the y-int

you set y(or in this case f(x)) to 0 then solve. You solve this by spilting this into 2 linear equations; x-2=0 and x+4=0, then you solve them both to get the two y-intercepts, 2 and -4

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3 years ago

SOLVE EQUATION BY TAKING SQUARE ROOTS.<br> -100+81a^2=0

IceJOKER [234]

Answer:

a = ±10/9

Step-by-step explanation:

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3 years ago

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Brilliant_brown [7]

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3 years ago

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What is the solution to the system of equations y= -5x + 30 x = 10

Arturiano [62]

Answer:

We have been given the equation:

$y=-5x+30$

And x=10

Substitute the given x in the given equation we get:

$y=-5(10)+30$

$y=-50+30$

On simplification we get:

$y=-20$

Required solution is: x= 10 and y=-20

The solution to the system of equation is those points that satisfy the given system of equations.

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3 years ago

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Please help. I'm stuck.

Bezzdna [24]

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3 years ago