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mestny [16]
3 years ago
9

A worker earns $9 per hour and works 25 hours each week. If the worker receives a 3% pay increase, how much additional pay will

the worker earn each week?
Mathematics
1 answer:
Ber [7]3 years ago
5 0

Answer: $6.75

Step-by-step explanation:

25 hours times $9= $225/week

3% increase from $9.00= $0.27

$9.27 times 25 hours= $231.75

$231.75-$225= $6.75 more per week

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svlad2 [7]
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4 0
3 years ago
Mr. Corsetti spends 2/3 of every year in Florida. How many months does he spend in Florida each year?
igor_vitrenko [27]

Answer:

8 estimate

Step-by-step explanation:

exact 7.98

4 0
3 years ago
What is the standard deviation of the following data set 1,1.2,4,1.28,4.1,5.3?
VikaD [51]
Memorize the definition of standard deviation: the sd is the square root of the average of the squared deviations of the mean. Wow. Let's do it.

Step 1. First we need the mean. That's easy. Add them up and divide by the count. Check if you get 16.88/5 = 2.81333.

Step 2. Now we're going to subtract this from each of the values, and square the result. Don't worry about negative signs, the squaring will get rid of those. Example for the first number:

(1 - 2.813)^2 = 3.29

The list of numbers I get is (rounded, in reality round as little as possible):

3.29, 2.60, 1.41, 2.35, 1.66, 6.18

Step 3: Add them all up. I get 17.49. 
Step 4: Divide by the count of numbers. 17.49/6 = 2.91
Step 5: Take the square root from this result. SQRT(2.91) = 1.707305

TIP: Use excel to do all these steps, then run the set of numbers through Excel's built-in sd function (called  STDEV.P) and see that you get the same result!
3 0
3 years ago
This is not a multiple choice question. Please help!
Shkiper50 [21]
Complentary angle = 90 degrees
 
90 - 16 = your answer
5 0
3 years ago
Simplify the rational expression by rationalizing the denominator √15/√6x
noname [10]

Answer:

√10/2x

Step-by-step explanation:

Multiply by √6 on the top and bottom to rationalize the denominator.

(√15×√6)/(√6x×√6) = √90/6x = (√9×√10)/6x = 3√10/6x = √10/2x

4 0
3 years ago
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