2 years ago

1. What is the product of a number and its multiplicative inverse?

Mathematics

1 answer:

Dafna1 [17]2 years ago

5 0

Answer: 1. 5^3

2.-5/1

3. -1/3

Step-by-step explanation:

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Two lines, A and B, are represented by the equations given below!

lara [203]

Answer:

The solutions to the system of equations are:

$y=-8,\:x=-4$

Thus, option C is true because the point satisfies BOTH equations.

Step-by-step explanation:

Given the system of the equations

$\begin{bmatrix}y=x-4\\ y=3x+4\end{bmatrix}$

Arrange equation variables for elimination

$\begin{bmatrix}y-x=-4\\ y-3x=4\end{bmatrix}$

$y-3x=4$

$-$

$\underline{y-x=-4}$

$-2x=8$

$\begin{bmatrix}y-x=-4\\ -2x=8\end{bmatrix}$

solve for x

$-2x=8$

Divide both sides by -2

$\frac{-2x}{-2}=\frac{8}{-2}$

$x=-4$

$\mathrm{For\:}y-x=-4\mathrm{\:plug\:in\:}x=-4$

$y-\left(-4\right)=-4$

$y+4=-4$

$y=-8$

The solutions to the system of equations are:

$y=-8,\:x=-4$

Thus, option C is true because the point satisfies BOTH equations.

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3 years ago

Which term is not a like term:<br><br> 8z, 8, 4z, -8z

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Answer:

Step-by-step explanation:

Like term is having the same variables and powers

each bolded below has the variable z other than 8 (second one)

8z, 8, 4z, -8z

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Divde 13/143 with 13 = 1/11

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I don’t know what it is tbh

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combining like terms is how you solve this problem

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