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Leona [35]
2 years ago
5

Please solve this math problem... I will mark you brainliest

Mathematics
1 answer:
lubasha [3.4K]2 years ago
7 0
The answer would be x = 45 and y = 15. This is because congruent sides have congruent angles. If this is the case, you can fill in your triangle like this. All three sides of a triangle add up to 180 degrees. So, you set up your equation like this. Now you should have two different equations that add up to 180. Using the elimination method, you can solve this double variable equation. You can solve for any variable first but here I choose x. Now that you found x, you can substitute it back into one of your original equation to find y. I hope it helps!

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Solve 2x2 + 20x = −38.
cestrela7 [59]
2x^2+20x=-38  divide both sides by 2

x^2+10x=-19, halve the linear coefficient, square it, than add that value to both sides of the equation, in this case add (10/2)^2=25...

x^2+10x+25=6  now the left side is a perfect square

(x+5)^2=6  take the square root of both sides

x+5=±√6  subtract 5 from both sides

x=-5±√6    (so answer c.)
4 0
3 years ago
PLEASE HELP LOOK AT THE PICTURE...What is 5 1/3 hours in hours and minutes? 5 hours 20 minutes 5 hours 30 min 5 hours 3 minutes
zepelin [54]
5 hours and 20 minutes because 1/3 as a decimal is 0.3 continued (i wrote down 0.33 so its simplified) and 0.33 decimal hours is 20 minutes.
8 0
2 years ago
What is the inverse of the given relation? y= 4x-8
andrew-mc [135]

to inverse a equation make all y's x and andy x's y


Thus the inverse is

x=4y-8


Evaluated to

4y=x+8

y=  \frac{1}{4}x +2

4 0
3 years ago
Given the graph below, which of the following statements is true?<br>​
miss Akunina [59]

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8 0
3 years ago
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Which is the graph of f(x) = 4^x?
creativ13 [48]

Answer:

the first graph!!

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