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marin [14]
3 years ago
5

7a = 49 in multiplication way? SHOW ALL WORK

Mathematics
2 answers:
Olegator [25]3 years ago
8 0
A WOULD BE 7 BECAUSE 7 TIMES 7 EQUALS 49
aksik [14]3 years ago
4 0
Simplifying
7a = 49

Solving
7a = 49

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '7'.
a = 7

Simplifying
a = 7
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3(7+x to the power of two);x=2
JulijaS [17]

Answer:

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Step-by-step explanation:

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Dmitriy789 [7]

Answer:

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Step-by-step explanation:

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Set up equation

Step 1: Simplify

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Step 2:Multiply by conjugate

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Step 3:Simplify

\frac{30i + 6 {i}^{2} }{ {i}^{2} - 5 {}^{2}  }

We can reduce this and we must make the imaginary number and real number serpate equations.

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7 0
2 years ago
Complete the square for the expression, then factor the trinomial.
Nuetrik [128]

Answer:

Completing the square we get: (x-2)^2-(2)^2

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Step-by-step explanation:

We need to complete the square for the expression x^2-4x

For completing the square the expression would be of form a^2+2ab+b^2=(a+b)^2

For given expression we have to add (2)^2 and subtract to make it complete the square.

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Completing the square we get: (x-2)^2-(2)^2

and factoring the term we get: x(x-4)

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Step-by-step explanation:

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konstantin123 [22]

Answer:

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Step-by-step explanation:

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