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Diano4ka-milaya [45]
3 years ago
15

HOW DO u do this?? Plz help!!!! Question 2

Mathematics
1 answer:
Alexxandr [17]3 years ago
8 0
Figures F and E ate congruent because they're the exact same shape with the same measurements
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Which of these numbers is not rational?
velikii [3]
The square root of 3 which is the first choice


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3 years ago
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I don't understand the substitution method?
liq [111]
It depends on what variable you are tying to solve for first. Say you are trying to solve for x first and then y on the first problem you wrote.

In substitution you solve one of the equations for example with
6x+2y=-10
2x+2y=-10
you solve 2x+2y=-10 for x

2x+2y=-10
-2y = -2y (what you do to one side of the = you do to the other)
2x=-10-2y (to get the variable by its self you divide the # and the variable)
/2=/2 (-10/2=-5 and -2y/2= -y or -1y, they are the same either way)
x=-5-y

now you put that in your original equation that you didn't solve for:
6(-5-y)+2y=-10 solve for that
-30-6y+2y=-10 combine like terms
-30-4y=-10 get the y alone and to do this you first get the -30 away from it
+30=+30
-4y=20 divide the -4 from each side
/-4=/-4 (20/-4=-5)
y=-5

now the equation you previously solved for x can be solved for y.
x=-5-y
x=-5-(-5) a minus parenthesis negative -(- gives you a positive
-5+5=0
x=0

and now we have solved the problem. x=0 and y=-5

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3 years ago
Find the value of x in the triangle shown below
gregori [183]

Answer:

A or 53 squared

Step-by-step explanation:

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ILL GIVE U BRAINLYIST IF U GET IT RIGHT
yawa3891 [41]

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34

Step-by-step explanation:

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2 years ago
Almost done please help I’m begging y’all it’s almost time
Nikolay [14]

I believe that it is 2x^2+1x-2

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