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LenKa [72]
3 years ago
12

6sqrt20 + 8sqrt5 - 5sqrt45

Mathematics
1 answer:
marta [7]3 years ago
4 0

Answer:

11.1803398875

Step-by-step explanation:

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Solve equation <br> 91=7(7+2r)
aksik [14]

The answer you are looking for is:

r = 3

8 0
3 years ago
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Convert the equation y= -4x + 2/3 into general form equation and find t the values of A,B and C.
alukav5142 [94]

Answer:

<em>Standard form: </em>12x+3y-2=0<em></em>

<em>A = 12, B = 3 and C = -2</em>

<em></em>

Step-by-step explanation:

Given:

The equation:

y= -4x + \dfrac{2}3

To find:

The standard form of given equation and find A, B and C.

Solution:

First of all, let us write the standard form of an equation.

Standard form of an equation is represented as:

Ax+By+C=0

A is the coefficient of x and can be positive or negative.

B is the coefficient of y and can be positive or negative.

C can also be positive or negative.

Now, let us consider the given equation:

y= -4x + \dfrac{2}3

Multiplying the whole equation with 3 first:

3 \times y= 3 \times -4x + 3 \times \dfrac{2}3\\\Rightarrow 3y=-12x+2

Now, let us take all the terms on one side:

\Rightarrow 3y+12x-2=0\\\Rightarrow 12x+3y-2=0

Now, let us compare with Ax+By+C=0.

So, <em>A = 12, B = 3 and C = -2</em>

6 0
3 years ago
Do only 6 and 7 , 7th grade math
Paha777 [63]
#6 80, 162.5
#7 .375, .4 repeating
7 0
3 years ago
97.5-(-81.25) =<br> Step by step
zvonat [6]
Your answer is 178.75

97.5-(-81.25)
you want to apply the keep change change rule
97.5+81.25 = 178.75
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3 years ago
What is the fraction in the simplest form? 9/12
Harrizon [31]
The answer is 3/4. Hope I was able to help

8 0
4 years ago
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