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exis [7]
3 years ago
10

Adrian works in New York City and makes $42 per hour. she works in an office and must get her suit dry cleaned everyday for $75.

if she wants to make more than $260 a day , at least how many hours must she work?
Mathematics
2 answers:
Ulleksa [173]3 years ago
3 0

Adrian will need to work 8 hours a day

kondor19780726 [428]3 years ago
3 0
We can make such equation which represents our problem.
Assume that x is number of working hours .
42*x-75>260
42x-75>260 /+75 add 75 both sids
42x>335 /:42 divide both sides by 42
x>7,97
Adrian will stay at work at least 8 hours.
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Mia bought 10 boxes of brownies at the store for a total of $64. The tax on the purchase was $5. What was the cost of each box?
Pavel [41]

Let r represent cost of each box.

We have been given that Mia bought 10 boxes of brownies. So cost of 10 boxes would be 10r.

We have been given that Mia bought 10 boxes of brownies at the store for a total of $64. The tax on the purchase was $5. So the total cost of 10 boxes would be cost of 10 boxes plus tax.

We can represent this information in an equation as:

10r=64+5

We can subtract 64 from both sides as:

10r-64=64-64+5

10r-64=5

Therefore, our required equation is 10r-64=5 and option 'c' is the correct choice.

7 0
3 years ago
Use pi = 3 <br>calculate the area of a circle with diameter of 16m
damaskus [11]
Area of a circle = <span>πr^2 

to find the radius we divide the diameter by 2 

r = 8
</span><span>π=3 
</span>
plug these  values into your formula and solve 

a=(3)(8)^2

a = 192m squared
7 0
4 years ago
An integer N is to be selected at random from {1, 2, ... , (10)3 } in the sense that each integer has the same probability of be
Andrej [43]

Answer:

Probability of N Divisible by 3 - 0.33

Probability of N Divisible by 5 - 0.2

Probability of N Divisible by 7 - 0.413

Probability of N Divisible by 15 - 0.066

Probability of N Divisible by 105 - 0.0095

Step-by-step explanation:

Given data:

Integer N {1,2,.....10^3}

Thus total number of ways by which 1000 is divisible by 3 i.e. 1000/3 = 333.3

Probability of N divisible by 3 {N%3 = 0 } = \frac{333.3}{1000} = 0.33

total number of ways by which 1000 is divisible by 5 i.e. 1000/5 = 200

Probability of N divisible by 5 {N%5 = 0 } = \frac{200}{1000} = 0.2

total number of ways by which 1000 is divisible by 7 i.e. 1000/7 = 142.857

Probability of N divisible by 7 {N%7 = 0 } = \frac{142.857}{1000} = 0.413

total number of ways by which 1000 is divisible by 15 i.e. 1000/15 = 66.667

Probability of N divisible by 15 {N%15 = 0 } = \frac{66.667}{1000} = 0.066

total number of ways by which 1000 is divisible by 105 i.e. 1000/105 = 9.52

Probability of N divisible by 105 {N%105 = 0 } = \frac{9.52}{1000} = 0.0095

similarly for N is selected from 1,2.....(10)^k where K is  large then the N value. Therefore effect of k will remain same as previous part.

3 0
4 years ago
Read 2 more answers
Mateo has 72 pounds of apples. He needs 34 pounds of apples for each batch of applesauce. How many batches of applesauce can Mat
mr Goodwill [35]

Answer:

  2 batches

Step-by-step explanation:

(72 lb)/(34 lb/bat) = 2 2/17 bat

___

72 ÷ 34 = 2 remainder 4.

Mateo can make 2 full batches, and will have 4 pounds of apples remaining.

The fraction 4/34 can be reduced to 2/17. That is the fraction of a batch that Mateo could make with the extra 4 lbs. of apples.

3 0
3 years ago
Which of the following represents equivalent ratios?
rjkz [21]
Option 4
you can multiply the numerator and denominator by 15 to get 30/45
30/45 simplified is 2/3
8 0
3 years ago
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