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Reil [10]
3 years ago
9

When mack babysits he charges $12 an hour plus bus fare. The amount Mack is paid depends on the number of hours he babysits

Mathematics
1 answer:
nikklg [1K]3 years ago
8 0

Question is Incomplete, Complete question is given below.

When mack babysits, he charges $12 an hour plus bus fare. The amount mack is paid depends on the number of hours he babysits.

1. If mack babysits for 1 hour and the bus fare is $2.50, how much will mack be paid?

2. If mack babysits for 4 hours and the bus fare is $2.50, how much will mack be paid?

Answer:

1. Total Amount mack will be paid for 1 hour is $14.50.

2. Total Amount mack will be paid for 4 hours is $50.50.

Step-by-step explanation:

Given:

Charges of mack for 1 hour = $12

bus fare = $2.50

We will fist find for part 1.

1) Given:

Number of Hours= 1

Charges of mack for 1 hour = $12

bus fare = $2.50

we need to find the amount he get paid for it can be calculated by Multiplying Charges of mack for 1 hour with number of hours and then adding bus fare

Total amount he will get paid = Charges of mack for 1 hour × Number of Hours + Bus fare = \$12\times 1 +\$2.50= \$14.50

Hence, Total Amount mack will be paid for 1 hour is $14.50.

Now we will find for part 2.

2) Given:

Number of Hours= 4

Charges of mack for 1 hour = $12

bus fare = $2.50

we need to find the amount he get paid for it can be calculated by Multiplying Charges of mack for 4 hour with number of hours and then adding bus fare

Total amount he will get paid = Charges of mack for 1 hour × Number of Hours + Bus fare = \$12\times 4 +\$2.50= \$50.50

Hence, Total Amount mack will be paid for 4 hour is $14.50.

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Directions
telo118 [61]

Answer:

<h2><u><em>1/8</em></u></h2><h2><u><em>1/4</em></u></h2><h2><u><em>1/3</em></u></h2><h2><u><em>1/2</em></u></h2>

Step-by-step explanation:

Directions

You cut a pizza cut into 2 equal slices and eat 1 slice, or 1/2

of the pizza. You cut another pizza of the same size cut into 4

equal slices, but you still only eat 1 slice. This time you've

eaten only 1/4 of the pizza, which is less than 1/2.

As you divide the pizza into more slices, the bottom number

(the denominator) gets bigger, but the size of each slice gets

smaller.

Drag the fractions in order from least to greatest.

1/3

1/4

1/2

1/8

-------------------

1/3 = 0.33

1/4 = 0.25

1/2 = 0.5

1/8 = 0.125

so

1/8

1/4

1/3

1/2

6 0
2 years ago
Read 2 more answers
Private nonprofit four-year colleges charge, on average, $27,293 per year in tuition and fees. The standard deviation is $7,235.
Natali5045456 [20]

Answer:

a) X\sim(27293,(7235)^2)

b) 0.1567

c) P_{70}=31084.14

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $27,293 per year

Standard Deviation, σ = $7,235

We are given that the distribution of cost of college is a bell shaped distribution that is a normal distribution.

a) Distribution of X

Let X be the cost for a randomly selected college. Then,

X\sim (\mu, \sigma^2)\\X\sim(27293,(7235)^2)

b) Probability that a randomly selected Private nonprofit four-year college will cost less than $20,000 per year.

P( x < 20000) = P( z < \displaystyle\frac{20000 - 27293}{7235}) = P(z < -1.008)

Calculation the value from standard normal z table, we have,  

P(x < 20000) = 0.1567

c) 70th percentile for the distribution.

We have to find the value of x such that the probability is 0.7

P( X < x) = P( z < \displaystyle\frac{x - 27293}{7235})=0.7  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 27293}{7235} = 0.524\\\\x = 31084.14  

The 70th percentile for the distribution of college cost is $31,084.14

4 0
3 years ago
Suppose x varies directly with x if y=16 and x=-8what is the value of x when y=-14
Sonbull [250]

The value of x when y = -14 is 7

Step-by-step explanation:

Direct variation is a relationship between two variables that can

be expressed by an equation in which one variable is equal to a

constant times the other

If y varies directly with x, then

  • y ∝ x
  • y = k x, is the equation of variation where k is the constant of variation

∵ y varies directly with x

∴ y ∝ x

∴ y = k x

To find k substitute x and y by their initial values

∵ y = 16 and x = -8

- Substitute y by 16 and x by -8 in the equation above

∴ 16 = k(-8)

- Divide both sides by -8

∴ -2 = k

∴ The value of k is -2

- Substitute the value of k in the equation above

∴ y = -2 x ⇒ equation of variation

∵ y = -14

- To find x substitute y by -14 in the equation of variation

∵ -14 = -2 x

- Divide both sides by -2

∴ 7 = x

∴  The value of x is 7

The value of x when y = -14 is 7

Learn more:

You can learn more about variation in brainly.com/question/10708697

#LearnwithBrainly

8 0
3 years ago
Help me plz in few minutes test <br>show all work and explain plz
Rus_ich [418]
The median is the vertical line in the box

and the interquartile range is the length of the box itself

So the answer would be B as its median is greater than 80 and it has the large <span>interquartile range...


</span>

I hope that helps!



4 0
3 years ago
Fill in the missing information in the chart.
anastassius [24]

Answer:

Point Slope equations:  

y-4 =-10(x-1)\\y+3 =2(x-5)\\y+7 =\frac{1}{2}(x+7)

Slopes:  

  1. 3
  2. -9
  3. 5

Points on the line:

  1. (5,6)
  2. (-8,4)
  3. (0,2)

Step-by-step explanation:

Basically we use this formula to solve each column y-y_{1} =m(x-x_{1})

m = slope

y-4 =-10(x-1)\\y+3 =2(x-5)\\y+7 =\frac{1}{2}(x+7)

4 0
3 years ago
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