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blagie [28]
3 years ago
8

5x - 2y = 26 y + 4 = x​

Mathematics
1 answer:
natka813 [3]3 years ago
5 0
There ya go hope that’s right I was kinda confused on what I was solving cuz there wasn’t rly any specifics sorryyyy

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2. When a person is selected at random from a very large population, the probability that the selected person is righthanded is
raketka [301]

Answer:

a) 0.5514

b) 0.0058

Step-by-step explanation:

Data provided in the question:

Probability that the  the selected person is righthanded, P(R) = 0.82

Therefore,

Probability that the  the selected person is not righthanded, P(R') = 1 - 0.82

= 0.18

Now,

a. They are all right-handed

P (They are all right-handed) = P(R) × P(R) × P(R)

= 0.82 × 0.82 × 0.82

= 0.5514

b) None of them is right-handed

P (None of them is right-handed) = P(R') × P(R') × P(R')

= 0.18 × 0.18 × 0.18

= 0.0058

4 0
3 years ago
In a group of twelve people, four had been selected for a transfer. If two of the twelve are selected, what is the probability t
masya89 [10]

Answer:

9%

Step-by-step explanation:

Probability of the first person being selected is 4/12 and the probability of the second person being selected is 3/11

The probability of both is:

4/12 x 3/11

= 1/11 which is 9%

5 0
2 years ago
Read 2 more answers
Find the total area the regular pyramid.<br><br><br><br> T. A. =
alexira [117]
The answer would be   A = 54raiz (3) + 18raiz (91)
Formula:
 A = Ab + Al Where, Ab=base area A= lateral area

 The area of the base is: Ab = (3/2) * (L ^ 2) * (root (3)) Where, L= side of the hexagon. Substitute: Ab = (3/2) * (6 ^ 2) * (root (3)) Ab = (3/2) * (36) * (root (3)) Ab = 54raiz (3)


 The lateral area is: Al = (6) * (1/2) * (b) * (h) Where, b= base of the triangle h= height of the triangle Substitute: Al = (6) * (1/2) * (6) * (root ((8) ^ 2 + ((root (3) / 2) * (6)) ^ 2)) Al = 18 * (root (64 + 27)) Al = 18raiz (91)

 The total area is: A = 54raiz (3) + 18raiz (91)

6 0
4 years ago
Read 2 more answers
Find the value of x.
AnnyKZ [126]

Answer: 69

Step-by-step explanation: a triangle adds up to 180 degrees. It is an isosceles triangle (2 sides are the same angle) 180-42=138 then do 138/2=69

5 0
3 years ago
Twenty-five ten-thousandths in scientific notation?
Marta_Voda [28]
The answer should be 2.5x10^-4

6 0
4 years ago
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