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Mkey [24]
3 years ago
8

Help please, explain each step or no points.

Mathematics
1 answer:
Leno4ka [110]3 years ago
8 0
The proportion pop/total = 5/7 is presumed to hold for the next 500 songs.

pop/500 = 5/7
pop = 500*5/7 ≈ 357

357 of the next 500 songs downloaded are expected to be pop songs.
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Create a word problem on Algebraic Expressions and Measurement (grade 10)​
mrs_skeptik [129]

Frank can build a fence in twice the time it would take Sandy. Working together, they can build it in 7 hours. How long will it take each of them to do it alone?

Answer

If Frank and Sandy can build the fence in 7 hours, they must be building

1

7

of the fence every hour.

Now, let the amount of time it takes Sandy be

x

hours so that Frank takes

2

x

hours. Sandy can build

1

x

of the fence every hour and Frank can build

1

2

x

of the fence every hour.

We now have the following equation to solve.

1

x

+

1

2

x

=

1

7

2

+

1

2

x

=

1

7

21

=

2

x

x

=

21

2

=

10.50

Thus, Sandy takes

10.50

hours and Frank takes

21

hours.

6 0
3 years ago
Please solve find perimeter
babunello [35]

Answer:

12???

Step-by-step explanation:

5 0
3 years ago
Show math equation of 5x + 6x equation
IgorC [24]
5x + 6x = x(5 + 6) = x(11) = \boxed{11x}
6 0
3 years ago
Read 2 more answers
Pls help me ASAP the plot is on the top I need help with question 16. In class 1 now many students scored 75 or higher. There ar
Virty [35]

Answer:

hey

Step-by-step explanation:

7 0
2 years ago
OPEN ENDED QUESTION
posledela

Answer: I hope this helps :)

Substitution:  45+15(6-1)

Simplify:  120

Step-by-step explanation:

Calculate within parenthases (6-1) =5    =45+15(5)

Multiply left to right 15(5)=75      =45+75

Add leftg to right 45+75=120

Answer = 120

4 0
3 years ago
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