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2 years ago

6

Carlos earns $12 an hour for 40 hours of work and $18 an hour for 6 hours of overtime. Write an expression that shows how much C

arlos earned. Then evaluate your expression.

1 answer:

Sergeeva-Olga [200]2 years ago

3 0

(12x40)+(18x6)
or
(12x40)+(18x6)=588
thank you for letting me answer and god bless <3

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Work out the value of z, given that x+y=42 and x/13=y/8=z/9.

Andru [333]

Answer:

z = 18

x = 26 and y = 16

Step-by-step explanation:

Given:

$x + y = 42$

$\dfrac{x}{13}=\dfrac{y}{8}=\dfrac{z}{9}$

Rewrite $x + y = 42$ to make $y$ the subject:

$\implies y=42-x$

Substitute this into $\dfrac{x}{13}=\dfrac{y}{8}$ :

$\implies \dfrac{x}{13}=\dfrac{42-x}{8}$

Cross multiply:

$\implies 8x=13(42-x)$

$\implies 8x=546-13x$

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Substitute found value of y into $\dfrac{y}{8}=\dfrac{z}{9}$ and solve for z:

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4 0

2 years ago

Simplify (8j3 – 5j2 – 5) – (6j3 – 12j2 + 8j – 7)

muminat

(8j3 - 5j2 - 5) - (6j3 - 12j2 + 8j - 7) =
(8j3 - 6j3) - (5j2 - 12j2) - 8j - (5-7) =
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3 years ago

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Len [333]

Answer:

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Step-by-step explanation:

Original equation for slope-intercept.

Y=MX+B

Substitute given values

X=slope

B= Y-intercept

Given slope:

6

Given y intercept:

-6

Simply plug in given values into the original equation

y=m6-6

6 0

2 years ago