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Katarina [22]
3 years ago
6

Follow the steps to solve this equation.

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
6 0

Answer:

1. Use the distributive property:6x + 18 – 4x=10x –4 + 6

Mkey [24]3 years ago
6 0

Answer:

2

Step-by-step explanation:

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Iv)<br>6x+3y=6xy<br>2x + 4y= 5xy​
Margaret [11]

Answer:

Ok, we have a system of equations:

6*x + 3*y = 6*x*y

2*x + 4*y = 5*x*y

First, we want to isolate one of the variables,

As we have almost the same expression (x*y) in the right side of both equations, we can see the quotient between the two equations:

(6*x + 3*y)/(2*x + 4*y) = 6/5

now we isolate one off the variables:

6*x + 3*y = (6/5)*(2*x + 4*y) =  (12/5)*x + (24/5)*y

x*(6 - 12/5) = y*(24/5  - 3)

x = y*(24/5 - 3)/(6 - 12/5) = 0.5*y

Now we can replace it in the first equation:

6*x + 3*y = 6*x*y

6*(0.5*y) + 3*y = 6*(0.5*y)*y

3*y + 3*y = 3*y^2

3*y^2 - 6*y = 0

Now we can find the solutions of that quadratic equation as:

y = \frac{6 +- \sqrt{(-6)^2 - 4*3*0} }{2*3} = \frac{6 +- 6}{6}

So we have two solutions

y = 0

y = 2.

Suppose that we select the solution y = 0

Then, using one of the equations we can find the value of x:

2*x + 4*0 = 5*x*0

2*x = 0

x = 0

(0, 0) is a solution

if we select the other solution, y = 2.

2*x + 4*2 = 5*x*2

2*x + 8 = 10*x

8 = (10 - 2)*x = 8x

x = 1.

(1, 2) is other solution

8 0
3 years ago
Which inequality symbol has a open circle
Anuta_ua [19.1K]

Answer:

When graphing a linear inequality on a number line, use an open circle for <em><u>"less than" or "greater than",</u></em> and a closed circle for "less than or equal to" or "greater than or equal to".

3 0
2 years ago
Read 2 more answers
Can someone help me solv for x?
Alexxx [7]

Answer:

AB=AC

X²+8 =33

X²=33-8

X²=25.

X=√25

X=5

5 0
3 years ago
7: (page 311) Triangle DEF has vertices D(1,2), E(1,6), and F(4,2). What are the coordinates of
jekas [21]

Answer:

u

Step-by-step explanation:

3 0
2 years ago
odd function f(x) is defined for all real values of x. for the function g(x)=2.3+f(x-9), calculate g(6)+g(8)+g(10)+h(12).
PilotLPTM [1.2K]

Answer:

easy theanswer is -14x

Step-by-step explanation:

4 0
2 years ago
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