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SVETLANKA909090 [29]
3 years ago
5

Is 1+4(3x-10) -12x equivalent to -9

Mathematics
1 answer:
kvasek [131]3 years ago
8 0

No. It’s not because you have to multiply 4 times 3x, as well as -10. Then use that for the like numbers.
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Which of the following sets is closed under division?
erastovalidia [21]
The correct option is NON ZERO RATIONAL NUMBERS.
A rational number is a number that can be expressed as a fraction of two integers. A non zero rational number is a rational number that does not equal to zero. A set of number is said to be closed under division if all the problems that concern the set of numbers can be solved under division. 
4 0
4 years ago
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The product of a number and 2 is 3 less than the quotient of a number and 5 .
sergey [27]

Answer:

The sentence you have can be expressed in algebra (using x as 'the number'):

2x + 5 = x / 3.  (We add 5 to the left side because that product is less than the right side.)

Now all you have to do is to combine the x terms on one side of equation, putting the constant on the other side of the equation, and solve for x.

or

Let the unknown number that we are solving for be x.

The product of a number and 2  means 2*x

5 less than the quotient of a number and 3 means x/3 - 5.

So,

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(6x - x)/3 = -5

5x/3       = -5, now multiply both sides of the equation by 3

5x          = -15  now divide both sides of the equation by 5

x = - 3. So the number is -3.

Step-by-step explanation:

6 0
3 years ago
What is the mean of the data? 2, 4, 6, 8
wel

Answer:

5 mate

Step-by-step explanation:

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8 0
3 years ago
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Help me for brainlist if you dont explain no brainlist
olchik [2.2K]

- 2x and 70 are equal, because they are vertical angles.

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3 0
3 years ago
5i-√-16<br><br> ??? please help
N76 [4]

Answer:

We know that √-1 = i

So, √-16 =

\sqrt{(16) \times ( - 1)}  =  \sqrt{16}  \times  \sqrt{ - 1}  = 4i

<h3>5i-√-16 </h3>

=5i-4i

= i

6 0
3 years ago
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