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Varvara68 [4.7K]
3 years ago
14

Joann works in a publicity office at the state university. she is paid $ 12.00 $12.00 an hour for the first 35 35 hours she work

s each week and $ 18.00 $18.00 an hour for every hour after that. if she makes $ 636.00 $636.00 one week, how many hours did she work?
Mathematics
1 answer:
hram777 [196]3 years ago
6 0
$ 12 per hr for the first 35 hrs.....12 * 35 = 420

420 + 18x = 636
18x = 636 - 420
18x = 216
x = 216/18
x = 12

so she worked 35 hrs regular pay and 12 hrs overtime for a total of 47 hrs
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Solve for x: 2 over 3 equals the quantity x minus 1 end quantity over 5
sweet-ann [11.9K]

Answer:

13 over 3

Step-by-step explanation:

Hi Jakeyriabryant! I hope you’re fine!

I hope I have understood the problem well.

If so, what the exercise raises is the following equality:

(x-1) / 5 = 2/3

From this equation you must clear the "x".

First, we pass the 5 that is dividing on the side of the x, to the other side and passes multiplying

(X – 1) / 5 = 2/3  

(X – 1) = (2/3)*5

X – 1 = 10/3

Then we pass the one that is subtracting from the side of the x, to the other side and passes adding

X  = 10/3 + 1

Remember that to add or subtract fractions they must have the same denominator or a common denominator (in this case we can write 1 as fraction 3/3). Then,

X = 10/3 + 3/3

X = 13/3

I hope I've been helpful!

Regards!

7 0
3 years ago
What does A+5=-5a+5 equal
gladu [14]
0/6 is your answer...
3 0
3 years ago
I need help please and thank you.
Zinaida [17]

Answer:

0

Step-by-step explanation:

The formula gives you a relation between S and n. For every n, you can perform the calculation and obtain an S.

So, for n=0 we get 0/2 (0+1) which equals 0. So (0,0) is an (n,S) pair.

7 0
3 years ago
If two different people are randomly selected from the 864 subjects, find the probability that they are both heavy smokers. Roun
AlekseyPX

Answer:

P = 0.008908

Step-by-step explanation:

The complete question is:

The table below describes the smoking habits of a group of asthma sufferers

               Nonsmokers      Light Smoker     Heavy smoker      Total

Men                        303                     35                           37        375

Women                   413                     31                            45        489

Total                        716                     66                           82        864

If two different people are randomly selected from the 864 subjects, find the probability that they are both heavy smokers.

The number of ways in which we can select x subjects from a group of n subject is given by the combination and it is calculated as:

nCx=\frac{n!}{x!(n-x)!}

Now, there are 82C2 ways to select subjects that are both heavy smokers. Because we are going to select 2 subjects from a group of 82 heavy smokers. So, it is calculated as:

82C2=\frac{82!}{2!(82-2)!}=3321

At the same way, there are 864C2 ways to select 2 different people from the 864 subjects. It is equal to:

864C2=\frac{864!}{2!(864-2)!}=372816

Then, the probability P that two different people from the 864 subjects are both heavy smokers is:

P=\frac{82C2}{864C2}=\frac{3321}{372816}=0.008908

4 0
3 years ago
35.4% expressed as a decimal becomes<br> a. 35.54<br> b. 0.354<br> c. 35.0<br> d. 354
Alja [10]
35.4% expressed as a decimal is .354

*Anchor:  if you got 100% on your test, you got 1 whole test right.
Notice how I moved the decimal back two places to change 100% to 1

*An anchor is something that helps you remember what to do in the future. Use the anchor above to help you remember which way to move the decimal point when you change a percent to a decimal.
5 0
3 years ago
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