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3 years ago

If u steal point i report

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

3 0

Answer:

The correct answer is option A.

Step-by-step explanation:

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What is the volume of a sphere with a diameter of 7.5 cm, rounded to the nearest tenth of a cubic centimeter?

agasfer [191]

Answer:

V≈220.89cm³

Step-by-step explanation:

8 0

3 years ago

Which of the following ratios would form a proportion with 2/3?

dsp73

What are the choices?

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3 years ago

Pls helppppppppppp i give points

d1i1m1o1n [39]

The answer you selected in that photo given, is correct. I can tell just by using common sense and by judging the other options second option (B) is looking the most clearest one to me.

8 0

2 years ago

I need help understanding this ASAP PLZ!!!!

MAXImum [283]

Answer:

$x\geq -2$

Step-by-step explanation:

well the values for x are from -2 to ∞

so we can write it as

$x\geq -2$

5 0

4 years ago

Ed planned to read 25 pages a day of his favorite book by some deadline. However, he read 8 pages more a day and there were just

GaryK [48]

Answer:

175 pages

Step-by-step explanation:

Let's call 'd' the number of days before the deadline, and 'n' the total number of pages of the book.

We have the following equations:

(1) $25 d = n$ --> if we multiply the number of pages per day (25) times the number of days (d), we get the total number of pages of the book (n)

(2) $(25+8)(d-2)=n-10$ --> he reads 8 pages more per day (so, 25+8), for a number of days equal to (d-2) (d is the deadline), and he reads a total of n-10 pages (because only 10 are left)

We can substitute (1) into (2) and we find:

$33(d-2)=25d-10\\33d-66=25d-10\\33d-25d=66-10\\8d=56\\d=7$

So, the deadline is 7 days, and from eq.(1) we find the number of pages in the book:

$n=25d=25 (7)=175$

8 0

3 years ago