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emmasim [6.3K]
2 years ago
5

Find x on this problem

Mathematics
1 answer:
barxatty [35]2 years ago
3 0
X is equal to 15 explanation is that you subtract 180 for 165 to find x which is equal to 15
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Please explain me I can’t understand
valina [46]

Step-by-step explanation:

They are asking, like units are in the sum

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3 years ago
What is the greatest common factor of 30,48,60
nydimaria [60]
The greatest common factors of 30,48,60 is 6.
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X-z=-3
mina [271]

Answer:

that is impossible

Step-by-step explanation:

because you have 2 equations where y+z equal different numbers

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2 years ago
At an art exhibition there are 12 paintings of which 10 are original. A visitor selects a painting at random and before decides
Reika [66]

Answer:

a) 0.8333

b) 0.75

c) 0.8181 or 0.9090

Step-by-step explanation:

a)

The probability the visitor selects an authentic painting is  

10/12 = 0.8333

b)

Since the opinion of the expert does not depend on your choice, the events are <em>independent</em>, so the probability that the expert says is authentic and it really is, is

0.8333*0.9 = 0.75

c)

If the expert decides the painting is a copy and it is not, then there are 11 paintings of which 9 are authentic, so the probability the visitor selects a new original painting is

9/11= 0.8181

If the expert decides the painting is a copy and it is, then there are 11 paintings of which 10 are authentic, so the probability the visitor selects a new original painting is

10/11= 0.9090

8 0
3 years ago
Choose the best definition for the following phrase: combining like terms (1 point)
Maksim231197 [3]

combining like terms in a polynomial is adding or subtracting together terms that have the same degree in the exponents.

example. 3x^3 + 5x^6 + 2x^3 +7x + 9x^6

= 7x + 5x^3 + 14x^6

4 0
3 years ago
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