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Allisa [31]
3 years ago
5

Solve each equation for xx. For each step, describe the operation used to convert the equation. How do you know that the initial

equation and the final equation have the same solution set?
a. 1/5[10−5(x−2)]=1/10(x+1)
b. x(5+x)=x²+3x+1
c. 2x(x²−2)+7x=9x+2x³
Mathematics
1 answer:
ladessa [460]3 years ago
4 0

Answer:

a. x=1.8?

Step-by-step explanation:

im not really sure but i need help also. Im sorry but i just thought to say something.

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Tell whether the triangle with the given side lengths is a right triangle.
kramer

Answer:

no

Step-by-step explanation:

so in order for it to be a right triangle this would have to be true:

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since c represents the hypoteneuse, it will be the longest side. so:

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3600 + 3969 = 7744

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since that statement is not true, the answer is no.

it is not a right triangle  

the square root of 7569 is 87, so the triple would have to be : {60,63,87}

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