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anastassius [24]
4 years ago
15

Identify the error in generating and expression equivalent to 4 + 2x - 1/2(10 - 4x). Then the correct the error

Mathematics
1 answer:
KIM [24]4 years ago
7 0

Answer:

The final expression should be 4x-1

Step-by-step explanation:

The error occurs in the simplification from the 3rd to 4th step. You can see two positive 2x's, but suddenly they vanish.

4 + 2x - 5 + 2x

4 - 5 + 4x

-1 + 4x

4x -1

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Are 0,2,5 closed or not under addition
kvasek [131]

Answer:

There are closed addition.

Step-by-step explanation:

Closure (mathematics) ... For example, the positive integers are closed under addition, but not under subtraction: is not a positive integer even though both 1 and 2 are positive integers. Another example is the set containing only zero, which is closed under addition, subtraction and multiplication.

So, 0,2,5 are closed addition

Please mark me brainliest.

3 0
3 years ago
Can you please help me
ioda

Answer: 1/6

Step-by-step explanation:

<u>Given:</u>

4/9 and 11/18

<u>Solve:</u>

<em>STEP ONE: Make the denominators equal by determining the LCM</em>

LCM = Least Common Multiple

First Five multiples of 9 = 9, 18, 27, 36, 45

First FIve multiples of 18 = 18, 36, 54, 72, 90

As we can see from the list above, both 18 and 36 overlap, however, 18 is less than 36. Therefore, 18 is the LCM.

<em>STEP TWO: Compare the size and determine the greater one.</em>

4/9 = (4 × 2) / (9 × 2) = 8/18

11/18 = 11/18

Since 11 > 8, therefore, 11/18 is greater than 8/18

<em>STEP THREE: Find the difference between the two fractions.</em>

 11/18 - 4/9

=11/18 - 8/18

=(11 - 8) / 18

= 3 / 18

= 1/6

Hope this helps!! :)

Please let me know if you have any questions

6 0
3 years ago
Math Help Please....
stich3 [128]
Triangle ABE is similar to triangle CED (AAA)
10/8 = (2x+6) / (x+6)
x=2
therefore AE = 2(2) + 6
= 10 units
5 0
3 years ago
A baker cut a pie in half. He cut each half into 3 equal pieces and piece into 2 equal slices. He sold 6 slices. What fraction o
prisoha [69]
He sold one half of the pie because if you do it in your head split one half into 3 and get one sixth, then that slit in two is 1 twelfth so if he sold six pieces and six is one half of twelve then you get one half.
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3 years ago
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Determine the equation of the line, written in slope-intercept form, that passes through the points (1,1)
nataly862011 [7]

Answer:

y=-1/2x+3/2

Step-by-step explanation:

8 0
3 years ago
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