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VMariaS [17]
3 years ago
11

Jane finished a race in 7 minutes. How many seconds is this.

Mathematics
2 answers:
Serggg [28]3 years ago
7 0

Answer:

420 seconds

Step-by-step explanation:

(60 seconds in a minute, 60 x 7 = 420)

#Nova

Murljashka [212]3 years ago
4 0

Answer:

420 seconds

Step-by-step explanation:

There are 60 seconds in a minute, since there are 7 minutes, all we need to do is multiply the minutes by seconds.

60 × 7 = 420

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The sides of a rectangular room are perpendicular to each other.
stiv31 [10]

Answer:

120 m^2

Step-by-step explanation:

Length of the room = 10 m

Breadth of the room = 12 m

We know that, Area = Length * Breadth

Hence,

Total Area of carpet needed to cover the floor of the room = 12 * 10 = 120 m^2

5 0
2 years ago
Describe how to determine the average rate of change between x = 3 and x = 5 for the function f(x) = 3x3 + 2. Include the averag
Serhud [2]

Answer:

147

Step-by-step explanation:

Average rate of change is given by the total rise over total run.

f(x) = 3x^3+2\\f(3)=3*3^3+2=83\\f(5)=3*5^3+2 = 377

So,

total rise = 377 - 83 = 294

total run = 2

average rate of change = \dfrac{294}{2} = 147

8 0
3 years ago
Choose the answer that makes the sentence true. (Blank) real numbers are integers. A. All B. Some C. No
zvonat [6]

Answer:

Some real numbers are integer

Step-by-step explanation:

Real numbers ;

  1. Natural numbers (counting numbers) = Integer
  2. Whole numbers = Integers
  3. Integers =Integers
  4. Rational numbers (fractions , repeating or terminating decimals) = Fraction and decimal are not integers
  5. Irrational numbers. = Not integer
4 0
3 years ago
Read 2 more answers
There are 5,000 books in the​ town's library. Of​ these, 4,700 are fiction. To find the percent of the books that are​ fiction,
adell [148]

Answer:

94%

Step-by-step explanation:

4,700/5,000 x 100%

0.94 x 100% = 94%

8 0
3 years ago
Read 2 more answers
Martina and charlotte are sharing a pizza.The pizza is cut into eight pieces. Martina ate a quarter of the pizza. Charlotte ate
Zigmanuir [339]

Answer:

4 pieces

Step-by-step explanation:

This is because 3 add 1 makes 4 and 8 minus 4 makes 4

3 0
3 years ago
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