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weqwewe [10]
3 years ago
15

The sum of x and 5 is 12. What is the value of x? Enter your answer in the box as a fraction in simplest form. x =

Mathematics
2 answers:
larisa [96]3 years ago
5 0

This might help it has tons of different problems for your subject.


https://www.wyzant.com/resources/lessons/math/algebra/calculators/proportion

zzz [600]3 years ago
4 0
X = 7 because 12-5 is 7
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10. When a rubber ball is dropped from a height, h cm on to a flat concrete floor, it rebounds to 3 5 h cm a height of Given a r
Xelga [282]

Step-by-step explanation:

Let the height above which the ball is released be H

This problem can be tackled using geometric progression.

The nth term of a Geometric progression is given by the above, where n is the term index, a is the first term and the sum for such a progression up to the Nth term is

To find the total distance travel one has to sum over up to n=3. But there is little subtle point here. For the first bounce ( n=1 ), the ball has only travel H and not 2H. For subsequent bounces ( n=2,3,4,5...... ), the distance travel is 2×(3/4)n×H

a=2H..........r=3/4

However we have to subtract H because up to the first bounce, the ball only travel H instead of 2H

Therefore the total distance travel up to the Nth bounce is

For N=3 one obtains

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7 0
2 years ago
victor want to make a book tower of height 48 cm .If the thickness of book is 12 mm ,how many books will he need to make the des
lions [1.4K]

Answer:

40

Step-by-step explanation:

1. Change 48 cm to mm, which will give you 480 mm

2. Divide 480 mm by 12 mm, that will give you 40

Therefore, Victor needs 40 books to make his desired height.

6 0
2 years ago
What is sin(C)? Please explain.
Gnom [1K]

Answer:

sin(C) = opposite side / hypotenuse

= 15/17

7 0
3 years ago
Read 2 more answers
The line plot shows the weight of the bags of beans.what is the average weight of the bags.
Setler79 [48]

Answer:

1/2

Step-by-step explanation:

So you have 12 bags total.

2 are 1/6 so their total weight is 1/3

2 are 1/3 so their total weight is 2/3

3 are 1/2 so their total weight is 3/2

4 are 2/3 so their total weight is 8/3

1 is 5/6 so their total weight is 5/6

Now add all of these up:

1/3 + 2/3 + 3/2 + 8/3 + 5/6 = 36/6 = 6

Then divide by the number of bags to get the average weight: 6/12 = 1/2

7 0
3 years ago
a man is standing on top of a cliff, 80 high, the angle of depression to a boat is 60° . calculate the distance of the boat from
Maurinko [17]

Answer:

20 :3

Step-by-step explanation:

Da distance is 20

80 - 60 = 20 BOOM PEEPS

3 0
3 years ago
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