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Anuta_ua [19.1K]
3 years ago
8

How do you find X and Y? 4y + 5z = 60 5x + 3y = 60 4x + 3z = 60

Mathematics
1 answer:
oee [108]3 years ago
6 0

Answer:

1. y=5    x=8

2. x=9     y=5

3. x=12    z=4

Step-by-step explanation:

1.    4(5)+5(8)=60

2.   5(9)+3(5)=60

3.   4(12)+3(4)=60

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Solve the system y=x-3 y=-2x+3
vivado [14]

Answer:

x = 2, y= -1 Or (2, -1)

Step-by-step explanation:

Let’s solve the system using substitution. First we can set the equations equal to each other:

x-3= -2x +3

Now solve for x

3x-3= 3

3x = 6

x=2

Now that we have x, we can plug it back into one of the original equations to get y

y= x-3

y= 2-3

y = -1

Finally, the solution to the system of equations is (2, -1).

6 0
3 years ago
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Let f(x)=x^2 and g(x)=x-3. evaluate (fog)(-2)
Studentka2010 [4]
F(x) = x²
g(x) = x - 3

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Answer : <span>(fog)(-2) = 25</span>
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3 years ago
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schepotkina [342]
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5 0
3 years ago
Please solve completely I really need this answered
Harrizon [31]

Answer:

Ted is correct. Maggie made mistakes while trying to isolate x for both equations.

Step-by-step explanation:

For 3x-2=0, in order to move -2 to the left side, Maggie had to add 2 on both sides because -2+2=0. The same problem is seen for x+5=0. Maggie had to subtract 5 on both sides because +5-5=0

3 0
3 years ago
Which of the following statements does not describe the structure of an atom?
blagie [28]

Answer:

B) Inside the nucleus of an atom are protons and electrons.

Explanation:

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