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d1i1m1o1n [39]
3 years ago
6

Answer this pls asap

Mathematics
2 answers:
Elena-2011 [213]3 years ago
6 0

Step-by-step explanation:

(2x-11)°+(6x-7)°=180°(being sum of the angle of the triangle is 180°

=2x-11+6x-7=180°

=8x+4=180°

=8x=180-4

=8x=176

=x=176/8

=x=22

Scorpion4ik [409]3 years ago
5 0

Answer:

24.75

Step-by-step explanation:

2x-11 + 6x-7 =180

8x-18=180

8x=198 /8

x=24.75

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What is the experamental probability that the coin lands on heads?
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Answer:

The experamental probability that the coin lands on head is 50 %

Step-by-step explanation:

Given:

Experiment:

A coin is Toss

Let the Sample Space be 'S' that is total number of outcomes for a coin has been tossed = { Head, Tail }

∴ n ( S ) =  2

Let A be the event of getting a Head on tossing a coin i.e  { Head }

∴ n( A ) = 1

Now,

\textrm{Probability} =\frac{\textrm{outcomes for the experiment}}{\textrm{total number of outcomes}}

Substituting the values we get

P(A) = \frac{n(A)}{n(S)} \\\\P(A) = \frac{1}{2} \\\\P(A) = 0.5\\\\P(A) = 50\%

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3 years ago
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Step-by-step explanation:

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<u></u>

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16 times .20 equals 3.2 and the add 3.2 to 16 and get $19.20
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