In ΔPQR, sin P= 3/4, sin R= 2/5, and p=40. Find the exact value of r.

Answers

Answer 1

Answer: Hello,

sin (P)/p=sin (R)/r
==>r=sin (P)/(p* sin (R))
r= (3/4)/(40*2/5)
r=3/4 * 5 /(40*2)=(3/4) /16=3/64

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In an experiment, the probability that even A occurs is 0.2 and the probability that event B occurs is 0.5. If A and B are independent events, which statement is true?A.
P(A and B) = 0.1

Answers

The probability of event A and event B will be 0.10. Then the correct option is A.

What is probability?

Its fundamental concept is that someone will nearly surely occur. The proportion of positive events in comparison to the total of occurrences.

Then the probability is given as,

P = (Favorable event) / (Total event)

In an experiment, the probability that event A occurs is 0.2 and the probability that event B occurs is 0.5.

If A and B are independent events. Then the probability is given as,

P(A and B) = P(A) x P(B)

P(A and B) = 0.2 x 0.5

P(A and B) = 0.10

The probability of event A and event B will be 0.10. Then the correct option is A.

More about the probability link is given below.

brainly.com/question/795909

#SPJ2

The missing options are given below.

A. P(A and B) = 0.1

B. P(A or B) = 0.1

C. P(A and B) = 0.7

D. P(A or B) = 0.7

Answer:

oop

Step-by-step explanation:

Evaluate the following expression using the values given: Find 4x to the second power minus y minus 2z

X=-2
Y=3
Z=-1

Answers

The answer isss.. 15!

Locate Square Roots Click to select the correct answers. Click again to unselect answers. Leave the incorrect answers unselected. 28 lies between 5 and 6 39 lies between 7 and 8 85 lies between 8 and 9 52 lies between 7 and 8 21 lies between 4 and 5

Answers

√28 is between 5 and 6
√39 is not between 7 and 8. Its between 6 and 7
√85 is not between 8 and 9. Its between 9 and 10
√52 is between 7 and 8
√21 is between 4 and 5

All the answers I want to know please this is important for me

Answers

1)6.3 times 10 to the 5th power
2)4.08 times 10 to the 8th power
3)8 times 10 to the 7th power
4)1.502 times 10 to the 13th power
5)3.5 times 10 to the 2nd power
6)7.06 times 10 to the 3rd power
7)1.0504 times 10 to the 7th power

8) 42000000
9) 5.7100
10) 80030000000
11) 500000000
12) 7050
13) 1405000000
14) 5020300000

15) B
16) B
17) D
18) C

How many sides does a triangle have? Quickly!

Answers

Hey there!
A triangle is made up of 3 sides and also has 3 angles. All the angles of a triangle add up to 180.
Thank you! :D

4. Andy puts $4,000 into an account that offers 3% interest compounded annually. If no additional deposits or withdrawals are made, how much interest will he earn at the end of 6 years?

Answers

Answer:

A=$ 4,000(1+.03)∧6 will all equal $4776.209 if round $4,776.21.

Step-by-step explanation:

I use the formula A = P(1 + r)

∧t for annually.

if your looking for the interest rate then use formula interest formula I/Pt = r . I stands for Interest amount paid in a specific time period / p which stands for Principle amount (the money before interest) times T which is Time period involved which will equal r the interest rate.

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