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kotegsom [21]
3 years ago
6

Add rational numbers 3/5+4/5= How do you get the answer 1. /5

Mathematics
1 answer:
Nikitich [7]3 years ago
3 0
I don’t understand you second question but this is the work for the first one.

Hope it helps!

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The 7th grade has 195 students. There are 25 more girls than boys in the grade. How many boys are there in 7th grade
Cloud [144]

Answer:

85 boys, 110 girls

Step-by-step explanation:

85 boys+25 more girls= 110 girls

110 girls+85 boys= 195 total students

7 0
3 years ago
Read 2 more answers
#2
I am Lyosha [343]

You have the right idea that things need to get multiplied.

What should be done is that the entire fraction needs to get multipled by the lowest common denominator of both denominators.

Let's look at the complex numerator. Its denominators are 5 and x + 6. Nothing is common with these, so both pieces are needed.

The complex denominator has x - 3 as its denominator. With nothing in common between it and the complex numerator, that piece is needed.

So we multiply the entire complex fraction by (5)(x + 6)(x -3).

Numerator: (\frac{1}{5} -\frac{5}{x + 6})(5)(x +6)(x-3) =\frac{1}{5}(5)(x +6)(x-3) -   \frac{5}{x + 6}(5)(x +6)(x-3)

= (x+6)(x-3) - (5)(5)(x-3)

= (x+6)(x-3) - 25(x-3)

= (x-3)(x + 6 - 25) <--- by group factoring the common x - 3

= (x -3)(x - 19)

Denominator:

\frac{25}{x - 3} * (5)(x + 6)(x - 3) = (25)(5)(x + 6) = 125(x + 6)


Now we put the pieces together.


Our fraction simplies to (x - 3) (x - 19) / 125 (x + 6)

5 0
3 years ago
The distance from P to Q is four times the distance from Q to R. The distance from p to r is 120 metres. What is the distance fr
Leviafan [203]
|----------------------------------120 m ------------------------------|

|--------------|--------------|--------------|--------------|--------------|
P                                                                 Q               R

Distance from P to R = 120m

120 ÷ 5 = 24m

The distance from Q to R is 24m.
4 0
3 years ago
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One of the main reasons why individuals make investments based on their future
Aneli [31]

Answer:

Secure a future for upcoming generation

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2 years ago
A coach is ordering shirts for a team.
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7.50s + 19.99=C
......
6 0
2 years ago
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