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Anastaziya [24]
3 years ago
14

Whats the value of x?

Mathematics
1 answer:
Paul [167]3 years ago
4 0

Answer:

6.92820323=x

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

sin theta = opp / hyp

sin 60 = x /8

8 sin 60 = x

6.92820323=x

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z² +x² - y= -2²+ -1² - 3

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3 years ago
At Ron’s Roller Rink, the number of customers has been decreasing at a steady rate of 5% per year. If there were 900 skaters per
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What is 0.3 +0.5 +0.8= ?
notka56 [123]

Answer:

1.6

Step-by-step explanation:

first break it up into parts so it’s easier

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4 0
3 years ago
3 of the digits 0-9 are chosen randomly by a computer what is the probability that it will choose 3 sequential digits?
Sindrei [870]

Answer:

B. 1/15

Step-by-step explanation:

The number of ways in which we can select x elements from a group of n elements is calculated as:

nCx=\frac{n!}{x!(n-x)!}

So, the number of ways in which a computer can select 3 digits is calculated as:

10C3=\frac{10!}{3!(10-3)!}=120

Because there are 10 digits from 0 to 9.

Then, from that 120 options there are 8 that have 3 sequential digits. These options are:

{0,1,2} {1,2,3} {2,3,4} {3,4,5} {4,5,6} {5,6,7} {6,7,8} {7,8,9}

So, the probability that it will choose 3 sequential digits is equal to:

P=\frac{8}{120}=\frac{1}{15}

7 0
4 years ago
Im trying to test u to see if u know it. :D<br> 28 ÷ 13
dolphi86 [110]

Answer:

\huge \fbox \pink {A}\huge \fbox \green {n}\huge \fbox \blue {s}\huge \fbox \red {w}\huge \fbox \purple {e}\huge \fbox \orange {r}

\frac{28}{13}  \\  = 2.15

6 0
3 years ago
Read 2 more answers
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