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4 years ago

Rich makes $12.50 an hour. If Rich works 56 hours in one week, how much would he earn for the week?

Mathematics

1 answer:

Roman55 [17]4 years ago

7 0

The answer should be $700

Because $12.50 · 56 = $700

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motikmotik

Step-by-step explanation:

$\frac{x - 9}{15} = \frac{2x - 9}{10} \\$

$\frac{x - 9}{3} = \frac{2x - 9}{2} \\$

$2( x - 9) = 3(2x - 9) \\$

$2x - 18 = 6x - 27$

$27 - 18 = 6x - 2x$

$9 = 4x$

$x = \frac{9}{4} \\$

5 0

3 years ago

What's the simplified form of this expression? 3-[-2/3 x (7 +2) =11]

svetoff [14.1K]

Answer:

x = 4/3

Step-by-step explanation:

7 0

3 years ago

Which statement is true about the extreme value of the given quadratic equation? y = -3x2 + 12x − 33

Zina [86]

Answer:

The equation has a maximum value with a y-coordinate of -21.

Step-by-step explanation:

Given

$y =-3x^2 + 12x - 33$

Required

The true statement about the extreme value

First, write out the leading coefficient

$Leading = -3$

$-3 < 0$ means that the function would be a downward parabola;

Downward parabola always have their vertex on top of the parabola and as such, the function has a maximum value.

The maximum value is:

$x = -\frac{b}{2a}$

Where:

$a= -3; b =12; c =-33$

So, we have:

$x = -\frac{12}{2 * -3}$

$x = -\frac{12}{-6}$

$x =2$

Substitute $x =2$ in $y =-3x^2 + 12x - 33$

$y = -3*2^2 + 12 * 2 - 33$

$y = -21$

<em>Hence, the maximum is -21.</em>

8 0

3 years ago

The area of the figure

Klio2033 [76]

Answer:

[(4+6)x6]÷2-pie(2)^2

17.4336cm

7 0

3 years ago

Solve for n. n+1=4(n-8)

castortr0y [4]

In the problem. N+1=4(n-8)... the main goal is to isolate the variable(n) so, I would first distribute 4.. thus meaning 4•n + 4•-8=4n + - 32.... this works because of the distributive property. This would leave u with 4n + -32=n +1.... seeing that there was like terms in both side of the equation... I can cancel the n out of the other side; 1= (4n-n) -32, which is the same as 1=3n-32.... you can do the same with the whole numbers.... cancel the -32 out of one side by adding 32 to both sides; 33=3n and then easily u can find that 3•11= 33 so n=11

8 0

3 years ago