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Natasha2012 [34]
3 years ago
11

Carys calculates the total amount EEE, in dollars, that she earns for working hhh hours using the equation E=10hE=10hE, equals,

10, h.
How many dollars does Carys earn per hour?
dollars
At that rate, how many hours does it take Carys to earn one dollar?
hours
Mathematics
2 answers:
mihalych1998 [28]3 years ago
7 0

Answer:

  • it takes carys 0.1 hours to earn 10 dollars

Step-by-step explanation:

1. First we want to know how much Carys earns for working 1 hour. Since h gives us the number of hours Carys works, we can substitute h= 1 into the equation and solve for E.

  • E = 10h
  • E = 10 ⋅1
  • E = 10

<em>Carys earns 10 dollars per hour </em>

2. For the second question, we know the total amount Carys earns equals 1  dollar, but we do not know the number of hours. We'll substitute into our original equation again.

  • E = 10h
  • 1 = 10h
  • 1/10 = 10h/10
  • 0.1 = h

<em>It takes Carys 0.1 hours to earn 1 dollar.</em>

  • Carys earns 10 dollars per hour.
  • It takes Carys 0.1 hours to earn 10 dollars.

<em>       </em>

<em>       ⇒ p.s : </em><em>I did this on khan Academy </em>

timurjin [86]3 years ago
4 0

Answer:

  • $10 per hour
  • 0.1 hours

Step-by-step explanation:

To find Carys' earnings in one hour, fill in h=1 in the formula:

  E = 10·1 = 10

Carys earns 10 dollars per hour.

__

To find the number of hours required to earn 1 dollar, fill in E=1 in the formula:

  1 = 10h

  0.1 = h . . . . . divide by 10

It takes 0.1 hours for Carys to earn 1 dollar.

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makkiz [27]

Answer:

4,600

Step-by-step explanation:

To solve this problem, we need to multiply add 15% of 4,000 back to 4,000.

First, change 15% into a decimal:

15% -> \frac{15}{100} -> 0.15

Next, multiply 4,000 by 0.15:

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The last step is to add the 600 back to 4,000:

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3 years ago
Jen Butler has been pricing​ Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 79.
xxMikexx [17]

<u>Answer:</u>

Price of the​ adult's ticket = $13

Price of a​ child's ticket = $ 10

<u>Step-by-step explanation:</u>

Given:

Cost of train fares for Three adults and four children = $79

Cost of train fares Two adults and three children  = $ 56

To Find:

Price of the​ adult's ticket and the price of a​ child's ticket =?

Solution:

Let the cost of one adult's ticket be x  and

Let the cost of one child's ticket be y

Then

Three adults and four children must pay $ 79 be

3x + 4y = 79-----------------------------------------------(1)

Two adults and three children must pay $56

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multiply  eq(1) by 2, we get

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multiply  eq(2) by 3, we get

6x + 9y = 168----------------------(4)

Subracting (3) from (4)

 6x + 9y = 168

 6x + 8y = 158

(-)      (-)       (-)

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

0x +  y = 10

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

y=10

Now substitute the value of y in eq (1) to get the value of x

3x + 4(10)= 79

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3x = 79 - 40

3x = 39

x = \frac{39}{3}

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Answer:

12) mode= no mode

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13) mode=74

mean=78

median =74

14) mode=80

mean=73

median=70

15)mode=70

mean=74

median=75

16)mode-no mode

mean=51

median=45

17)mode=86

mean=55

median=77

18)mode=no mode

mean=79

median=78

19)mode=70

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8 0
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A 1L IV contains 60meq of kcal. The IV was discontinued after 400ml has infused. How much lvl did the patient receive
Leya [2.2K]

If a 1L IV contains 60meq of kcal and the IV was discontinued after 400ml has infused, then the amount of IV received by the patient is 24meq of kcal.

Calculation for the Amount of IV

It is given that,

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As per the question,

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Hence, the patient receives 24meq of kcal amount of IV.

Learn more about amount here:

brainly.com/question/4567186

#SPJ1

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