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Dafna11 [192]
3 years ago
9

Carys earns 10 dollars an hour. How many hours would it take to earn $1?

Mathematics
2 answers:
Ivahew [28]3 years ago
6 0
It would take her 1 hour to earn $1, you don’t get paid by the minutes.
marysya [2.9K]3 years ago
6 0
I think it would take 1 hour
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The 20 girls in the class represented 55% of the students in the class. How many students are in the class?
inna [77]

Answer:

There are 31 students in the class.

Step-by-step explanation:

4 0
3 years ago
Alex got 27 questions out of 30 correct. what present of the questions did he get correct?(use fish method)
Novosadov [1.4K]

if we take 30 to be the 100%, what is 27 off of it in percentage?

\begin{array}{ccll} amount&\%\\ \cline{1-2} 30 & 100\\ 27& x \end{array} \implies \cfrac{30}{27}=\cfrac{100}{x} \\\\\\ \cfrac{10}{9}=\cfrac{100}{x}\implies 10x=900\implies x=\cfrac{900}{10}\implies x=90

4 0
2 years ago
Two towns, Ancaster and Dundas, are 4 km and 6 km, respectively, from an old railroad line that has been made into a bike trail.
serg [7]
Okay, so first you draw a picture and let x be the distance from point D to the rest stop. Then the distance from point  to the rest stop is  8 - x

You know that the length of the new trail is y + z, where y is the distance from Ancaster to the rest stop and z is the distance from Dundas to the rest stop. 

Now by the Pythagorean theorem,  y^2 = 4^2 + x^2 and  z^2 = 6^2 + (8 - x) ^2

So take square roots of these, add them, and minimize. 

Note: I am assuming the path is perfectly straight, otherwise this approach fails.
8 0
3 years ago
Solve for x. Show your work.
hram777 [196]
5(5+x) = 6(6+4)
25+5x = 60
5x = 35
  x = 7

-----------------
3(3+5) = 4(4+x)
24 = 16 + 4x
4x = 24-16
4x = 8
  x = 2

7 0
3 years ago
Read 2 more answers
0÷x=0<br> pls help it has to be 0 but thats not the answer can't think of anything
sleet_krkn [62]

Answer:

Theres no other answer than 0.

Step-by-step explanation:

I'm sorry!

4 0
3 years ago
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