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Galina-37 [17]
3 years ago
9

4.2: Weekend Earnings

Mathematics
1 answer:
Volgvan3 years ago
7 0
5.15 for the first hour after subtracting 12.20(7.15)
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I need help please help me​
lesantik [10]

Answer:37

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
PLEASE HELP
Eva8 [605]

Answer: 51 Children and 36 Adults.

Step-by-step explanation: Let's call x the number of children admitted and call z the number of adults admitted.

We know that x+z= 87

We also know that 3.25x+3.5z= 291.75.

We want to find the value of x and z. Then we solve the system of equations:

Multiply the first equation by -3.5 and add it to the second equation:

-3.5x-3.5z= -304.5

3.25x+3.5z= 291.75

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

-0.25x=-12.75

x= -42.75 ÷ -0.25

x=51

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

Now we substitute the value of x in the first equation and solve for the variable z

51+z=87

z=87-51

z= 36

Omg took me like 10 minutes to calculate would appreciate brainliest. Have a wonderful day.

6 0
3 years ago
Create a real-life situation that can be describe with the unit rate 9:1. Describe how quantities are related.
iris [78.8K]
I have 81¥ and I'm going to the US, so I need to convert my Yen into US Dollars, if i get 1 USD (US Dollar) for every 9¥, how many USD will i have if i convert all of my Yen?
4 0
3 years ago
Solve please ...... thx
kati45 [8]
The answer   to   the   questions   is   2.359
3 0
3 years ago
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You have just timed a person doing a hair cut for the first time. It took 50 minutes. What unit improvement factor learning curv
Sladkaya [172]

Answer: C. 70 percent

Step-by-step explanation:

Given, Time for the first unit = 50 minutes

Time for the second unit = 35 minutes

The unit improvement factor learning curve = (The time for the second unit) ÷ (time for the first unit) x 100.

So, The unit improvement factor learning curve  = 35÷ 50 × 100 = 70 percent.

Hence, the correct option is "C. 70 percent".

3 0
3 years ago
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