2 years ago

Solve for x. 75° 11x-2

Mathematics

1 answer:

DaniilM [7]2 years ago

6 0

Answer:

x=7

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=pi%20value%20%20" id="TexFormula1" title="pi value " alt="pi value " align="absmiddle" class

Monica [59]

Answer:

≈ 3.14

Step-by-step explanation:

π, or pi, is an irrational number. We mathmaticians round it to 3.14.

4 0

2 years ago

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Solve the following system by any method -8x-8y=0 -8x+2y=-20

iVinArrow [24]

$\fbox{Solution by using Matrix}$

$\text{Linear Equation} = -8x-8y=0 , -8x+2y=-20$

$\text{Rewrite the linear equations above as a matrix}$

$\left[\begin{array}{ccc}8&-8&0\\-8&2&-20\\\end{array}\right]$

$\text{Apply to Row2 : Row2 + Row1}$

$\left[\begin{array}{ccc}8&-8&0\\-8&-6&-20\\\end{array}\right]$

$\text{ Simplify rows}$

$\left[\begin{array}{ccc}8&-8&0\\0&1&10/3\\\end{array}\right]$

$\text{Note: The matrix is now in echelon form.}$ $\text{The steps below are for back substitution.}$

$\text{Apply to Row1 : Row1 + 8 Row2}$

$\left[\begin{array}{ccc}8&0&80/30\\0&1&10/3\\\end{array}\right]$

$\text{ Simplify rows}$

$\left[\begin{array}{ccc}1&0&10/3\\0&1&10/3\\\end{array}\right]$

$\text{Therefore, the solution is}$

$x= \dfrac{10}{3} \ \text{and} \ \ y=\dfrac{10}{3}$

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3 years ago

A diner has a breakfast special. A customer can chose scrambled, fried, or poached eggs. The breakfast comes with a side of baco

Kryger [21]

3x3x3=27

So, there are 27 combinations.

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2 years ago

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Tate and Black cut a pizza into 8 equal slices. Tate eats 3 slices and Black eats 4 slices. Write a fraction to represent the am

Shtirlitz [24]

7/8 because there are 8 pieces of pizza and they eat 7 slices of pizza.

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