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Llana [10]
3 years ago
6

Simplify the expression and show work.

Mathematics
1 answer:
nasty-shy [4]3 years ago
4 0

Answer:

72/149

Step-by-step explanation:

Just to clarify, the curly braces mean the same thing as normal parenthesis.

(12 + 5^2) = (12 + 25) = 37

(-7-15)^2 = (-22)^2 = 484

6^3  = 216

(12 + 5^2) - (-7-15)^2 = 37 - 484 = 447

6^3 / ((12 + 5^2) - (-7 - 15)^2) = 216 / 447 = 72/149

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Answer:

x = 47

Step-by-step explanation:

KY + YV = KV

KY + 22 = x

KY = x - 22

By angle bisector property:

\frac{TK}{TV}  =  \frac{KY}{YV}  \\  \\\frac{87.5}{77}  =  \frac{x - 22}{22}  \\  \\ x - 22 =  \frac{87.5 \times 22}{77}  \\  \\ x - 22 =  \frac{1,925}{77}  \\  \\ x - 22 = 25 \\  \\ x = 25 + 22 \\  \\ x = 47

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4 years ago
Read 2 more answers
1. Suppose we have a six-sided die that we roll once. Let ai represent the event that the result is i. Let Bj represent the even
Alex787 [66]

Using the probability concept, it is found that there is a

a) 0.2 = 20% probability that 3 is obtained.

b) 0.3333 = 33.33% probability that 6 is obtained.

c) 0.6667 = 66.67% probability of a number greater than 3.

d) 0.6667 = 66.67% probability of an even number.

A probability is the <u>number of desired outcomes divided by the number of total outcomes</u>.

Item a:

There are 5 numbers greater than 1, one of which is 3, hence:

p = \frac{1}{5} = 0.2

0.2 = 20% probability that 3 is obtained.

Item b:

There are 3 numbers greater than 3, one of which is 6, hence:

p = \frac{1}{3} = 0.3333

0.3333 = 33.33% probability that 6 is obtained.

Item c:

There are 3 even numbers, two of which are greater than 3, hence:

p = \frac{2}{3} = 0.6667

0.6667 = 66.67% probability of a number greater than 3.

Item d:

There are 3 numbers greater than 3, two of which are even, hence:

p = \frac{2}{3} = 0.6667

0.6667 = 66.67% probability of an even number.

A similar problem is given at brainly.com/question/25667645

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Answer:21

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