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Alexeev081 [22]
3 years ago
10

Income Vincent earns $15 per hour during the week and $18 per hour for overtime

Mathematics
1 answer:
Sedaia [141]3 years ago
3 0

Step-by-step explanation:

1) let's say X will be next to our 15 dollars and y next to 18 dollars

so

15x + 18y = 252

it also tells us that the weekdays is 3 times as many hours as y. In other words:

x = 3y

2) As the question asks for the number of weekend hours, let's solve for y.

Here, it's easier to just substitute x in the original equation. If you put 3y as a replacement of x, the equation becomes:

(15*3y) + 18y = 252

expand to: 

45y + 18y = 252

add on 

63y = 252

divide both by 13

y=4

Therefore Vincent works 4 hours on the weekend so during the weeks he works 20 hours

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Which statements apply to the expression
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Answer:

A, C, D, F

Step-by-step explanation:

Given the expression : (3/5)³

Recall :

a^b where, a = base ; b = exponent

In ; (3/5)^3

Base = 3/5 ; exponent = 3

Similarly ;

a^b = a in b places

(3/5)^3 = (3/5) * (3/5) * (3/5)

(3/5) * (3/5) * (3/5) = (3*3*3) / (5*5*5) = 27/125

Hence, A, C, D and F are all correct

7 0
3 years ago
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5 0
3 years ago
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8 0
3 years ago
The proportion of items in a population that possess a specific attribute is known to be 0.45. a. If a simple random sample of s
yanalaym [24]

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Step-by-step explanation:

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Given : The proportion of items in a population that possess a specific attribute is known to be 0.45.

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Sample proportion of items in a population that possess a specific attribute : \hat{p}=0.48

Now, the formula to find the sampling error :

\text{Sampling error} =\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

\text{Sampling error} =\sqrt{\dfrac{0.48(1-0.48)}{100}}

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shutvik [7]

Answer: B each charm costs 15 dollars

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~Brainliest would be appreciated

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