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butalik [34]
3 years ago
5

Question 4......................

Mathematics
1 answer:
svp [43]3 years ago
8 0
I would be the last answer because the h of hours would be multiply by 5.
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If the first chapter of a certain book is 16 pages long and makes up 4% of the book, how many pages does the entire book have?
galina1969 [7]
If 16 pages equal to 4%, how many pages will equal to 100%?

4/100 = 16/x
4x=1600
X= 400

So total pages should be 400.
5 0
2 years ago
In a race 24 out of 25 cyclists finished in less than 51 minutes what percentage of cyclists finished the race in less then 51 m
Gekata [30.6K]

Answer: 96%

Step-by-step explanation:

There are 25 total cyclists and 24 of those finished the race in less than 51 minutes. The question would like this 24 to be expressed as a percentage of 25.

In percentage this would be:

= Number of cyclists who finished in 51 minutes / Total number of cyclists * 100%

= 24 / 25 * 100%

= 96%

4 0
3 years ago
What is the equation of a circle centered at the origin with radius 15?
sashaice [31]

Answer:

D

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ( where r is the radius )

Here r = 15, thus

x² + y² = 15² , that is

x² + y² = 225 → D

6 0
3 years ago
What is the y intercept of the equation of the line that is perpendicular to the line y=3/5x+10 and passes through the point (15
Mama L [17]
It's 20/3. hope it will help you!
5 0
3 years ago
PLZ HELP 30points and brainlist
MariettaO [177]
The answer is b so good luck and i hope that helps
4 0
3 years ago
Read 2 more answers
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