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Finger [1]
3 years ago
12

I need help plsssss?

Mathematics
2 answers:
Tpy6a [65]3 years ago
8 0

Answer:

Alright well the first Answer to your question is

1. 19

2. - 3

3. 39 Hope this helps Have a nice day :)

Step-by-step explanation:

If u want i can explain all of them :)

Question 1: Simplify each term multiply 5 time 2 which gives u ten and u have the other half 3 and the power 2 Raise three up to the power of 2 and u have 10 + 9 which gives u 19

Question 2: Same thing what i did to the first Question

Question 3: All u need to do is add the fraction's, find the LCD (Least common denominator) and combine them.

Hope this helps :) and sorry it took so long

son4ous [18]3 years ago
6 0

Answer:

1. 19

2. 9

3. 39

Step-by-step explanation:

Do PEMDAS to solve them in the order to solve for the correct answer

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Step-by-step explanation:

3 0
3 years ago
A water well is to be drilled in the desert where the soil is either​ rock, clay or sand. The probability of rock ​P(R)equals=0.
GaryK [48]
The tree diagram for the probability is shown below

P(Clay|Positive) is read 'Probability of Clay given the result is Positive'.

This is a case of conditional probability.

The formula for conditional probability is given as
P(Clay|Positive) = P(Clay∩Positive) ÷ P(Positive)

P(Clay∩Positive) = 0.21×0.48 = 0.1008

P(Positive) = P(Rock∩Positive) + P(Clay∩Positive) + P(Sand∩Positive)
P(Positive) = (0.53×0.53) + (0.21×0.48) + (0.26×0.75)
P(Positive) = 0.2809 + 0.1008 + 0.195
P(Positive) = 0.5767

Hence,
P(Clay|Positive) = 0.1008÷0.5767 = 0.175 (rounded to 3 decimal place)

5 0
3 years ago
I don’t understand this question please help
nikitadnepr [17]

Answer:

29

Step-by-step explanation:

angle HGJ - angle HGI = angle IGJ

65 - 36 = 29

6 0
3 years ago
Read 2 more answers
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