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CaHeK987 [17]
3 years ago
7

Please help! Which expression is equal to..?

Mathematics
1 answer:
Alenkasestr [34]3 years ago
5 0

Answer:

A

Step-by-step explanation:

Before we can add the 2 fractions we require them to have a common denominator.

Multiply the numerator/ denominator of the first fraction by x

Multiply the numerator/ denominator of the second fraction by (x + 3)

= \frac{3x(x)}{x(x+3)} + \frac{(x-2)(x+3)}{x(x+3)}

Now simplify the numerator, leaving the denominator

= \frac{3x^2+x^2+x-6}{x(x+3)}

= \frac{4x^2+x-6}{x(x+3)} → A

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after allowing 30% discount on the marked price of an article,there is a profit of 10% . if the cost price is 1500 find the mark
GenaCL600 [577]

Answer:

2357.14

Step-by-step explanation:

  x - .30x = 1500(1.10)

          .7x = 1650

            x = 2357.14

7 0
3 years ago
Please explain to the point a dummy will understand
valkas [14]

Answer:

pretty sure its 18*5

Step-by-step explanation:

1. Solve 3^2 (three squared)

3 x 3= 9

2. Replace 3^2 with 9

it should now look like this:

2*9*5

3. Multiply left to right

2*9= 18

18*5

hope this helps :p

5 0
3 years ago
Anybody know the answer?
makvit [3.9K]

The first thing we need to do is take in all this information. We already know that the answer is between 0 and 7 because Line Segment AC is equal to 7. Second of all, it is recommended to solve this problem on paper to make it easier. You write the measurement under each individual Line Segment. Now we have to try to find a way how to subtract the Line Segments in order to get the measurement of Line Segment BC. If we were to write an equation. We would get mAB + mBC + mCD + mDE = mAE . We now try to think about the values that they give us to try to simplify it as much as possible. That's all that I can give you. I am sorry. This is a pretty tough and evil question.

5 0
4 years ago
Solve by using the square root method.
ehidna [41]
4x^2-8=136 subtract 136 from both sides

4x^2-144...this is a difference of perfect squares so

(2x+12)(2x-12)

x=±6 or as they put it:

{-6, 6}
3 0
4 years ago
8a + 12s=124<br> 16a +23s=243
Svetach [21]

Answer:

1: a=31/2 - 3s/2 2: a=243/16 - 23s/16

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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