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Katarina [22]
3 years ago
5

SIMPLIFY 2x + 9 - 0.74x + 2.24

Mathematics
1 answer:
Tatiana [17]3 years ago
4 0
Simplest form add all like things 1.26x+ 11.24
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Mahmoud earns $450 per week plus a 20% commission as a car salesman. He wants his
frosja888 [35]

The complete question implies that we define an inequality that represents the relationship between the number of hours worked in a week and the weekly sales

The inequality that relates the number of hours to the weekly sales is:

450 + 0.20x \ge 35y

We make use of the following representation:

x \to weekly sales from cars.

y \to hours worked in a week

His weekly salary is then calculated as:

Salary (S) = Earnings per week + Commission * Sales from car

So, we have:

S = 450 + 20\% * x

Express percentage as decimal

S = 450 + 0.20* x

S = 450 + 0.20x

Assume he works for y hours in a week.

His hourly rate is:

Hourly = \frac{S}{y} --- i.e. weekly salary divided by number of hours

Hourly = \frac{450 + 0.20x}{y}

For this rate to be at least \$35, the following condition must be true

Hourly \ge 35 --- i.e. is hourly rate must be greater than or equal 35

So, we have:

\frac{450 + 0.20x}{y} \ge 35

Multiply both sides by y

450 + 0.20x \ge 35y

5 0
3 years ago
Evaluate: -1 2/5 ÷ 14/15
Sergio [31]

Answer:

Step-by-step explanation: Turn the mixed number into an improper fraction. -1 2/5 becomes -7/5.  To divide fractions, you keep the first fraction, change the division sign to mulitplication and flip the second fraction.  Then just multiply across the top and across the bottom. You will get 105/70.  Reduce by dividing both numerator and denomination by 35   Result will be 3/2.

3 0
3 years ago
Simplify the expression: 3/(7-i)
salantis [7]
The answer is 0.5. 3/(7-1) 3/6=0.5
7 0
3 years ago
if a student is selected at random find the probability the student is a junior round to the nearest hole percent
Sindrei [870]

Answer:

=4+6+2+2=14

=3+4+6+3=16

=14/16

=7/8

=0.875 answer

Step-by-step explanation:

hope I help !!

5 0
3 years ago
Which is a rational number?<br> 3.<br> 4.<br> 5/5<br> 6.12
k0ka [10]

Answer:

i pretty sure one of em is 6.12

4 0
3 years ago
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