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OLga [1]
3 years ago
10

What’s the x for 0=2x+15x-13

Mathematics
1 answer:
Colt1911 [192]3 years ago
4 0
Add 13 to both sides
13 = 2x + 15x
Simplify right side
13 = 17x
Divide through by 17
13/17 = x
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How can 6.38 x 0.08 = 6.9768? (Show your steps please!)
ELEN [110]

Answer:

6.38 × 0.08 = 5,104 not 6,9768 .

step by step attached

8 0
2 years ago
Write <img src="https://tex.z-dn.net/?f=%28-%20x%5E%7B2%7D%29%20-4x%2B2" id="TexFormula1" title="(- x^{2}) -4x+2" alt="(- x^{2})
marin [14]
Because the coefficient of x^2 is -1, we know that a will be -1.  Knowing that the coefficient of x is -4, we can calculate that p=2.  Thus, we have -1(x+2)^2+q is our equation.  This is equal to -x^2-4x-4+q.  As the constant term must be 2, we can then see that q is 6.

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To solve this equation, we can use the quadratic formula.  Plugging in values, we have:

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7 0
3 years ago
What is the coefficient of a3 after simplifying this expression? 2a3−10ab2+3a3−ab2−7
Sergio [31]

Answer:

<h3>5</h3>

Step-by-step explanation:

Given the expression

2a^3−10ab^2+3a^3−ab^2−7

We are to find the coefficient of a^3

First is to collect the like terms;

2a^3−10ab^2+3a^3−ab^2−7

= 2a^3+3a^3−10ab^2−ab^2−7

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7 0
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scoray [572]
The top row, on the right.

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8 0
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Answer:

40%

Step-by-step explanation:

i used a calculator

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