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Zina [86]
3 years ago
15

Please answer the 2 question. Will be marked

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
6 0

Answer:

1. 12.6  2. 21.4

Step-by-step explanation:

1. c=2piR, so if the radius is 2, then 2 times 2 then times 3.14= 12.6(rounding to the nearest tenth)

2.i already explained the formula, so it should be 3.4*2 then times 3.14= 21.4

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Five tickets to a play cost $38. What does each ticket cost if they all cost the same?
ra1l [238]

Answer:

this mah not be right but i believe it is 7.6

Step-by-step explanation:

if i did it correctly where you just divide 38 by 5 it should be 7.6

6 0
3 years ago
On a sheet of paper, you have 100 statements written down.
serg [7]

Answer:

50

Step-by-step explanation:

If the first statement its true (At most 0 of the statements are true), there are not true statements in the paper. So, the first statement its false.

Now, if the first statement its false, this mean there must be at least 1  true statement in the paper.

Now, if the second statement its true ( at most 1 of the statements are true) this implies that the third statement its true (if "at most 1" its true, then "as most 2" must be true).

If any statement (besides the first) its true, then all the statement that follows it must be true.

The first non false statement, then, must be the statement made by the person 51:  "At most 50 statements are true"

And the 49 statements that follows are true as well.

5 0
3 years ago
What is the distance between the points (5.-18) and (8,
romanna [79]

Answer:

\sqrt{10}

Step-by-step explanation:

The horizontal distance from points (5,-18) and (8,-17) is 3 because it is 3 units from 5 to 8.  The vertical distance is 1 since it is one unit from -18 to -17.  Now we can use the equation a^{2}+b^{2}=c^{2} where a=3 and b=1 and c is the distance that you are looking for:

a^{2} +b^{2} =c^{2}\\3^{2} +1^{2} =c^{2}\\9+1=c^{2}\\10=c^{2}\\\sqrt{10}=c

8 0
3 years ago
Read 2 more answers
Dal
iogann1982 [59]

Answer:a

Step-by-step explanation:

6 0
3 years ago
What is the value of b2 - 4ac for the following equation?<br><br> 2x 2 - 2x - 1 = 0
NikAS [45]
2x^2-2x-1=0
\Delta=b^2-4ac

\Delta=(-2)^2-4*2*(-1)=4+8=12
5 0
3 years ago
Read 2 more answers
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