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2 years ago

Robert earned $194.70 at his job when he worked for 11 hours. How much money did he earn each hour?

Mathematics

2 answers:

Mademuasel [1]2 years ago

7 0

Answer:

$17.70

Step-by-step explanation:

You take how much he made ($194.70) and divide by how many hours he worked (11) to get his hourly rateof $17.70.

GalinKa [24]2 years ago

4 0

Answer:

17.7

Step-by-step explanation:

All you need to do is divide 194.70 with 11 and you get 17.7

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3 years ago

Substitute the given values into the formula, and solve for the unknown variable.

Alla [95]

Answer:

$h=\frac{1}{6}$

Step-by-step explanation:

Given:

$A=\frac{1}{2h} (B+b)\\$

$A=21, B=2, b=5 ,h= ?$

We have to find the value of 'h'

So, putting the given values in the equation to find the value of 'h'.

$A=\frac{1}{2h} (B+b)$

Implementing the given values in the given equations:

$21=\frac{1}{2h}(2+5)\\\\ 21=\frac{1}{2h} (7)\\\\\frac{1}{2h}=\frac{21}{7}\\\\ \frac{1}{2h}=3 \\\\h=\frac{1}{6}$

So, the value of 'h' is

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3 0

3 years ago

The approximate molar concentration of several chemicals are given. Find the pH of each use the calculator and round to the near

mojhsa [17]

Answer:

$pH = 13$ --- Oven Cleaner

$pH = 6.2$ --- Water

$pH =7.4$ --- Blood

$pH = 2.2$ --- Vinegar

Step-by-step explanation:

The given molar concentration are:[Missing from the question]

Oven Cleaner: [h+] = $10^{-13}$

Water: [h+] = $0.0000007$

Blood: [h+] = $0.00000004$

Vinegar: [h+] = $0.0063$

Required

Determine the pH

pH is calculated using:

$pH = -\log(h+)$

So, we have:

Oven Cleaner:

$pH = -\log(10^{-13})$

Using a calculator, we have:

$pH = 13$

Water:

$pH = -\log(0.0000007)$

Using a calculator, we have:

$pH = -1*-6.2$

$pH = 6.2$

Blood:

$pH = -\log(0.00000004)$

Using a calculator, we have:

$pH = -1 * -7.4$

$pH =7.4$

Vinegar:

$pH = -\log(0.0063 )$

Using a calculator, we have:

$pH = -1 * -2.2$

$pH = 2.2$

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3 years ago

How much is 27.99$ with 25% extra

Fofino [41]

Answer:

34.98

Simply add the 27.99 with 25%

= 34.98

8 0

2 years ago

Robert earned $194.70 at his job when he worked for 11 hours. How much money did he earn each hour?​

Robert earned $194.70 at his job when he worked for 11 hours. How much money did he earn each hour?