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Phantasy [73]
1 year ago
6

Which system is equivalent to startlayout enlarged left-brace 1st row 5 x squared 6 y squared = 50 2nd row 7 x squared 2 y squar

ed = 10 endlayout? startlayout enlarged left-brace 1st row 5 x squared 6 y squared = 50 2nd row negative 21 x squared minus 6 y squared = 10 endlayout startlayout enlarged left-brace 1st row 5 x squared 6 y squared = 50 2nd row negative 21 x squared minus 6 y squared = 30 endlayout startlayout enlarged left-brace 1st row 35 x squared 42 y squared = 250 2nd row negative 35 x squared minus 10 y squared = negative 50 endlayout startlayout enlarged left-brace 1st row 35 x squared 42 y squared = 350 2nd row negative 35 x squared minus 10 y squared = negative 50 endlayout
Mathematics
1 answer:
Ray Of Light [21]1 year ago
5 0

If we substitute equation (2) into (1) then we have the equivalent equations; y = 5 - x and 5 - x = 9x².

<h3>What is a mathematical equation?</h3>

An equation must contain two sets of variables, the independent variable and the dependent variable separated by the equality sign.

In this case, the original system of equations are; y = 9x² and x + y = 5. It the follows that, if we substitute equation (2) into (1) then we have the equivalent equations; y = 5 - x and 5 - x = 9x².

Learn more about mathematical equations:brainly.com/question/19939553

#SPJ4

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3 years ago
How many solutions are there to the equation below 6×+30+4×=10(×+3)
Elena-2011 [213]

Answer:

Infinite many solutions. Any x-value can satisfy the equation.

Step-by-step explanation:

Let's work on simplifying the equation a little to investigate which x-values satisfy it. Start by combining like terms on the left side (6x +4x=10x),

then distribute the factor "10" into the binomial (x+10), obtaining 10x +30.

Now we have the same expression on the left and the right of the equal sign:

10x +30=10x+30. We may subtract 30 from both sides, and obtain 10x=10x, and at this point divide by 10 both sides, and we obtain: x=x

The process is shown below.

6x+30+4x=10(x+3)\\6x+4x+30=10x+30\\10x+30=10x+30\\10x=10x\\x=x

x=x is an equation that is verified by absolutely ANY x value on the number line, and there are infinite x-values in the number line.

Therefore there are infinite many solutions to this equation (any x-value will satisfy it).

7 0
3 years ago
What’s the correct answer for this?
Elina [12.6K]

Answer:

C

Step-by-step explanation:

Measure of Arc FED = 51+79

= 130°

Since the measures of arcs and angles are the same

Hence

<FED = 130°

8 0
2 years ago
100 POINTS! Will give BRAINLIST!
dalvyx [7]

Answer:

$441. 155

Step-by-step explanation:

You have to multiply $33.935 x 13.

--------------------------------------------------------------

            33.935

      x            13

----------------------

           101805

      +  339350  

----------------------

       441.155

6 0
2 years ago
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