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Blababa [14]
2 years ago
14

Here you go this is the full question please help

Mathematics
2 answers:
hammer [34]2 years ago
8 0
I don’t see anything is there supposed to be a picture or?
Viktor [21]2 years ago
6 0

there is no question to answer
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Which equation is equivalent to √x^2+81 = x+10
jeka57 [31]

Keywords:

<em>equation, operations, equivalent, binomial, square root </em>

For this case we have an equation in which we must apply operations to rewrite it in an equivalent way. We must start by raising both sides of the equation to the square. Thus, we eliminate the square root of the left side of equality and finally solve the binomial of the right side of equality.

So we have:

\sqrt {x ^ 2 + 81} = x + 10\\(\sqrt {x ^ 2 + 81}) ^ 2 = (x + 10) ^ 2\\x ^ 2 + 81 = (x + 10) ^ 2

By definition:(a + b) ^ 2 = a ^ 2 + 2ab + b ^ 2

x ^ 2 + 81 = x ^ 2 + 2 (x) (10) + (10) ^ 2\\x ^ 2 + 81 = x ^ 2 + 20x +100

Thus, x ^ 2 + 81 = x ^ 2 + 20x +100 is equivalent to \sqrt {x ^ 2 + 81} = x + 10

Answer:

x ^ 2 + 81 = x ^ 2 + 20x +100

Option D

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3 years ago
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Which of the h-values satisfy the following inequality?
olasank [31]

Answer:

12

Step-by-step explanation:

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What is 87+56-78=?? if u know the answer plz give it to me right <br> k
PilotLPTM [1.2K]
It equals to 65 for the exact answer
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Solve 7x=56 what is x?
Elena-2011 [213]

Answer:

X=8

Step-by-step explanation:

So since an equation with unknown variable divide 7 on both sides

56/7=8

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3 years ago
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Make s, u subject of the formula<br><img src="https://tex.z-dn.net/?f=v%5E%7B2%7D%20%3D%20u%20%7B%7D%5E%7B2%7D%20%2B%202as" id="
Romashka [77]

Answer:

s = \frac{v^2-u^2}{2a}

Step-by-step explanation:

Given

v² = u² + 2as ( subtract u² from both sides )

v² - u² = 2as ( divide both sides by 2a )

\frac{v^2-u^2}{2a} = s

Given

v² = u² + 2as ( subtract 2as from both sides )

v² - 2as = u² ( take the square root of both sides )

± \sqrt{v^2-2as} = u

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3 years ago
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