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Alekssandra [29.7K]
3 years ago
15

|-6|+|3| I really don't get it do I simply find the sum our is it

Mathematics
2 answers:
Lemur [1.5K]3 years ago
5 0
9 because anything in the absolute value signs can't be negative, so it would be 6 + 3 = 9


MrMuchimi3 years ago
3 0
|a|=  \left\{\begin{array}{ccc}a&if\ a\geq0\\-a&if\ a < 0\end{array}\right\\\\|-3|=3\\|\ 0\ |=0\\|\ 6\ |=6\\|-100|=100\\\\\\|-6|+|\ 3\ |=6+3=9
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The radius of a cylindrical vessel is 7 cm and height is 1400 m . Find the cost of painting its inner curved surface area at the
Olegator [25]

Answer:

Cost = 616000 DHS per square centimetre.

Step-by-step explanation:

curved surface of a cylinder = 2\pirh

r = 7 cm

h = 1400 m = 140000 cm

The outer curved surface area of the cylinder = inner curved surface area of the cylinder

The inner curved surface of the cylinder = 2\pirh

                                      = 2 x \frac{22}{7} x 7 x 140000

                                      = 2 x 22 x 1 x 140000

                                      = 6160000

The inner curved surface of the cylinder is 6160000 square centimetre.

But, the cost of painting is at the rate of 10 DHS per square centimetre.

The inner curved surface of the cylinder = 6.16 x 10^{6} square centimetre.

cost of painting the inner curved surface area = \frac{6.16*10^{6} }{10}

                                                                       = 616000 DHS per square centimetre

The cost of painting the inner surface is 616000 DHS per square centimetre.

6 0
3 years ago
A cyclist travels 2/3 of his journey at the average speed of 12 miles per hour. He then travels the remaining 30 miles of his jo
Debora [2.8K]
Would it be <span>SOLVE FOR TIME TRAVELED WITH IN 60 MILES @ 12MILES/HR 
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T=60/12
T=5HRS
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7 0
3 years ago
A professor wants to award prizes for 1st, 2nd, 3rd, 4th and 5th in the class of 30. In how many ways can the prizes be awarded
aniked [119]

Answer:

Selection =  17100720\ ways

Step-by-step explanation:

Given

Students = 30

Positions = 5 i.e. first to fifth

Required

Determine number of selection

1st position = Any of the 30 students

2nd position = Any of the 29 students

3rd position = Any of the 28 students

4th position = Any of the 27 students

5th position = Any of the 26 students

Number of selection is then calculated as:

Selection =  30 * 29 * 28 * 27 * 26

Selection =  17100720\ ways

8 0
3 years ago
IF U HELP RN ILL GIVE U BRAINLIEST
shutvik [7]

Answer:

i need more info. that part dont help. if you took pic of the sentence they gv you that would be easier to work with.

Step-by-step explanation:

5 0
2 years ago
Please help me with this surds question.
noname [10]

the answer is 0.2 or one fifths

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3 years ago
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