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Alex73 [517]
3 years ago
9

Solve 2(x - 4) - 6(2x - 3) = 0 a. x = -4 b. x = -1 c. x = 0 d. x = 1

Mathematics
1 answer:
larisa86 [58]3 years ago
8 0
2(x - 4) - 6(2x - 3) = 0

Distribute the 2 and the 6 using the distributive property, which is: a(b+c) = ab + ac

2x - 8 - 12x + 18 = 0

Simplify

-10x + 10 = 0

Add 10 on both sides

-10x = -10

Divide -10 on both sides

-10x/-10 = -10/-10

x = 1


Your final answer is d. x = 1.
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Gwar [14]

Answer:

30

Step-by-step explanation:

40-10=30 so N has to be 30

Your answers are N=30 and N-25=5

Hope this helps :)

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5 0
3 years ago
PLEASE HELP FAST Which of the following is a step in simplifying the expression? ​
Ainat [17]

Answer:

A

Step-by-step explanation:

i am pretty sure its A because on the top one their is one negative and all of the other one are positive.

6 0
3 years ago
Read 2 more answers
A class of 10 students hang up their coats when they arrive at school. Just before recess, the teacher hands one coat selected a
Fittoniya [83]

Answer:

0.1274

Step-by-step explanation:

Let X be the random variable that measures the number of children who get their own coat.

Then, the expected value of X is

E[X] = 1P(X=1) + 2P(X=2)+3P(X=3)+...+10P(X=10)

The probability that a child gets her or his coat is

P(X=1) = 1/10

To compute the probability that 2 children get their own coat, we notice that there are 10! possible permutations of coats. The two children can get their coat in only one way, the other 8 coats can be arranged in 8! different positions, so the probability that 2 children get their own coat is

P(X=2) = 8!/10! = 1/(10*9)  and

2P(X=2) = 2/(10*9)

Similarly, we can see that the probability that 3 children get their own coat is

P(X=3) = 7!/10! = 1/(10*9*8) and  

3P(X=3) = 3/(10*9*8*7)

and the expected value of X would be

E[X] = 1/10 + 2/(10*9) + 3/(10*9*8)+...+10/10! = 0.1274

6 0
2 years ago
Are the following triangles congruent?<br> A) SAS<br> B) ASA<br> C) SSS<br> D) NOT
lidiya [134]
The answer is
A) SAS
7 0
3 years ago
Can someone please help me-
puteri [66]

Answer:

can be expressed as decimal: 0.025

s= 1.025* $250

 = $256.25

after 8 years

s= $250* 1.025^8

 ~$304.6

earned $54.6

Step-by-step explanation:

2 and a half is equivilant to 2.5

because it is a % (out of 100) move the decimal 2 places down

2.5-->0.25-->0.025

so can be expressed as decimal: 0.025

interest after 1 year is:

original amount of money * (interest rate+1.0)

+1 because you are adding on to 100%. you already have 100%.  if it was just the interest rate, the amount of money would go down.

so

s= 1.025* $250

=1.025* 250

=256.25

interest after 8 years,

that means you have to take the original, and multiply it by the interest rate, then the new original multiply by intrest rate a total of 8 times

to do this use an exponent, because exponents base the total off the total before them. if that makes any sense srry

s= $250* 1.025^8

 ~$304.6  (I used calculator)

to get her earnings, subtract the new amount of money with her original amount of money

304.6-250

=54.6

$54.6

hope this helps

4 0
2 years ago
Read 2 more answers
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