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Lelechka [254]
3 years ago
8

Jane has 10 days to study for four

Mathematics
1 answer:
sammy [17]3 years ago
5 0
10x3=30 hours
30/4= 7.5 hours to study for each exam
You might be interested in
Which of the following is between 0.40 and 0.47?
tatyana61 [14]
The answer is C. 21/50 is 0.42. 7/50 is 0.14. 19/50 is 0.38. 43/50 is 0.86. To convert a fraction to a decimal, you will have to divide the numerator by the denominator.
Hope this helped.
6 0
3 years ago
Can I get step by step explanation on these please
OLga [1]

Aloha, thanks for using Brainly.

Step-by-step explanation:

For 1. 7/8 is 90 percent so .90

For 2+. Add the bottom together, whatever you get divide top by bottom.

The others you just divide them by each other.

6 0
3 years ago
25 points to whoever solves the whole page
faust18 [17]

Answer:

row 1

5

4

-9

10

23

2

-19

18

-13

row 2

7

10

25

31

42

-2

23

11

23

row 3

-3

15

-11

37

-7

3

35

3

0

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Find the surface area of a sphere with a diameter of 30 m. Express your answer in terms of π.
shutvik [7]

Answer:

900π m2

Step-by-step explanation:

surface are of a sphere is 4π(r)^2

now diameter is 30m,so radius will be 15 m

how, 4π(15)^2=900π (m2)

8 0
3 years ago
The surface area of a cube is 600 cm. what is its volume? 200 1000 600 800​
Studentka2010 [4]

Answer:

1000 cm^3

Step-by-step explanation:

First, Find the side length of the cube. The surface area is all the area on the surface of a 3-dimensional object. Since a square has 6 congruent faces the formula for surface area is 6s^2 where s is the side length. Since we know the surface area we can solve for the side length.

600=6s^2- DIvide by 6

100=s^2- Take the square root of both sides.

10=s

The volume of a cube is s^3.

10^3=V

1000=V

3 0
3 years ago
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