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2 years ago

Brendan earns 1,826 each month.How much money does he earn in a year??

Mathematics

2 answers:

luda_lava [24]2 years ago

3 0

Answer:

21912 per year

Step-by-step explanation:

There are 12 months in a year, so multiply by 12

1826 * 12

21912 per year

omeli [17]2 years ago

3 0

Answer:

=> 21912 per year

Step-by-step explanation:

=> 1826×12

=> 21912

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Step-by-step explanation:

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3 years ago

Use substitution to solve the following system of equations. What is the value of y? {3x+2y=12{5x−y=7 A) y = -3B) y = 3C) y = -2

Vlad [161]

Answer

B) y = 3

Step-by-step explanation

Given the system of equations:

$\begin{gathered} 3x+2y=12\text{ \lparen eq. 1\rparen} \\ 5x-y=7\text{ \lparen eq. 2\rparen} \end{gathered}$

Isolating x from equation 1:

$\begin{gathered} 3x+2y-2y=12-2y \\ 3x=12-2y \\ \frac{3x}{3}=\frac{12-2y}{3} \\ x=\frac{12}{3}-\frac{2}{3}y \\ x=4-\frac{2}{3}y\text{ \lparen eq. 3\rparen} \end{gathered}$

Substituting equation 3 into equation 2 and solving for y:

$\begin{gathered} 5(4-\frac{2}{3}y)-y=7 \\ 5\cdot4-5\cdot\frac{2}{3}y-y=7 \\ 20-\frac{10}{3}y-y=7 \\ 20-\frac{13}{3}y=7 \\ 20-\frac{13}{3}y-20=7-20 \\ -\frac{13}{3}y=-13 \\ (-\frac{3}{13})\cdot-\frac{13}{3}y=(-\frac{3}{13})\cdot-13 \\ y=3 \end{gathered}$

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1 year ago

Solve the Inequality Give 5 solutions of the inequality ( Show your solution). 2x -3 < 5

marysya [2.9K]

Answer:

Inequality Form:

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Interval Notation:

(−∞,4)

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Step-by-step explanation:

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3 years ago

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svetlana [45]

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3 years ago