3 years ago

Answer this please with steps

Mathematics

1 answer:

Ahat [919]3 years ago

5 0

hdhsjsjsbisksjjsklslsjs

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blondinia [14]

Answer:

86°

Step-by-step explanation:

180° is the sum of all angles in a triangle

The two angles given are 68° and 26°

The equation is : 180° - 68° - 26° = x°

180° - 68° - 26° = 86°

x° = 86°

If my answer is incorrect, pls correct me!

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-Chetan K

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Samara was playing a game. She wrote down this number sentence to find the total number of points for 11 games in a row.

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There are 3 people who are chosen to serve on a comitee out of a group of 3 girls and 4 boys. How many different committees can

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Please answer asap this person made a mistake what is the error and correct solution to this problem

stiv31 [10]

Answer:

Step-by-step explanation:

Hello, please consider the following.

$(4+x)^2=4^2+2\cdot 4\cdot x+x^2=16+\boxed{8}x+x^2\\\\\text{ ... and not ...}\\\\16+\boxed{4}x+x^2$

So the correct equation becomes.

$x^2+64=16+8x+x^2\\\\8x=64-16=48\\\\\text{ we divide by 8 both sides of the equation.}\\\\x=\dfrac{45}{8}=6$

Hope this helps.

Do not hesitate if you need further explanation.

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