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3 years ago

14

Please help! Really confused

1 answer:

Angelina_Jolie [31]3 years ago

5 0

You divide the pay by the number of hours. So, Earl gets the higher rate of pay per hour. ( Melanie= 16.25 ph. Earl= 148 ph)

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The variable x varies directly as the cube of y, and y varies directly as the square root of z. If x equals 1 when z equals 4, w

Aloiza [94]

Answer:

<h2> $z=36$ </h2>

Step-by-step explanation:

According to the question,

$x$ ∝ $y^3$ .......(1)

$y$ ∝ $\sqrt{z}$ .......(2)

From equation 1,2 let constant of proportionality be $k1,k2$ respectively.

⇒ $x=k1(y^3)$ .......(3)

⇒ $y=k2(\sqrt{z} )$ .......(4)

From the above equations putting 4 into 3,

$x=k1((k2\sqrt{z})^3) =k1.k2^3.(\sqrt{z})^3$

Let the new constant to the above equation be $k3$ ,

$x=k3(\sqrt{z})^3$

Given,if x=1, when z=4

$1=k3(\sqrt{4} )^3=k3(8)$

⇒ $k3=\frac{1}{8}$

Now if x=27, then z=?

$27=\frac{1}{8} (\sqrt{z} )^3$

⇒ $(\sqrt{z} )^3=27(8)$

⇒ $\sqrt{z}=3(2)=6$

$z=36$

4 0

3 years ago

Convert 10pi/9 to degree measure.

MrRissso [65]

Answer:

The answer is

<h2>200°</h2>

Step-by-step explanation:

To convert an angle from degrees to radians multiply the value by $\frac{180}{\pi}$

From the question the value to be converted is $\frac{10\pi}{9}$

Converting it into degrees we have

$\frac{10\pi}{9} \times \frac{180}{\pi} \\ = \frac{1800}{9}$

We have the final answer as

<h3>200°</h3>

Hope this helps you

6 0

3 years ago

ASAP! GIVING BRAINLIEST! Please read the question THEN answer CORRECTLY! NO guessing. I say no guessing because people usually g

alexira [117]

Answer:

B. -4<x<2

Step-by-step explanation:

The highest x point is -4 and lowest peak is 2

3 0

3 years ago

Read 2 more answers

What is 7/8 - 1/4 in simplest form?

Stells [14]

Answer: 5/8

Step-by-step explanation:

You could convert 1/4 to 2/8 because the numbers you're subtracting have a common factor of 2. After subtracting 2/8 from 7/8, you're left with 5/8.

4 0

2 years ago

Read 2 more answers

The measure of an interior angle of regular polygon four times the measure of an exterior angle of the same polygon . What is th

zheka24 [161]

<span>Each Exterior Angle = (360 degrees) ÷ (Number of Sides)
Each Interior Angle = 180 - (360 / Number of Sides)

Therefore, since one angle is 4 times the other then,
</span>
4 * (360 degrees) / (Number of Sides) = <span>180 - (360 / Number of Sides)

Number of sides = 10 (it is a decagon)

</span>

4 0

3 years ago