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Otrada [13]
3 years ago
15

A sum of 2 numbers is 8,8, thier diffrence is 1.8

Mathematics
2 answers:
statuscvo [17]3 years ago
8 0

Answer:

5.3+3.5=8.8

Step-by-step explanation:

x+y=8.8

x-y=1.8

add both equations togeather which cancel out y because there is a +y and a -y

2x=8.8+1.8

<u>2x=10.6</u>

2      2

x=5.3

8.8-5.3=3.5

5.3-3.5=1.8

5.3+3.5=8.8

Elena L [17]3 years ago
7 0

Answer:

457

Step-by-step explanation:

57;;/*_&445

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tatuchka [14]

Answer:

4

Step-by-step explanation:

The distance between the two points is (-1,-4) - (-5,-4)

5 0
3 years ago
6+2[x+8]+3x+11+x help plzzzzz
Alex787 [66]
6+2(x+8)+3x+11+x
First you have to expand the brackets:
6+2x+16+3x+11+x
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And finally, combine like terms:
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Hope this helps :)
4 0
3 years ago
Please help.<br> Algebra.
Akimi4 [234]

1. A

Since parallel lines never cross, then there can be no intersection; that is, for a system of equations that graphs as parallel lines, there can be no solution. This is called an "inconsistent" system of equations, and it has no solution.

--------------------------------------------------------------------------------------------------------------

2. C

That's right. If a system of equations has a solution, then their graphs intersect,  and the point where they intersect is the solution because it's the point that  satisfies each equation in the system.

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8 0
3 years ago
What is the rate of change of the function described in the
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5 0
3 years ago
Find the least common multiple of these two expressions. 15x^7y^3u^8 and 6y^4u^5
snow_tiger [21]

Answer:

30x^7y^4u^8

Step-by-step explanation:

We have been given two expressions 15x^7y^3u^8 and

6y^4u^5

Now we need to find out least common multiple of these two expressions.

First we need to find out what is common factor of both expressions. 15x^7y^3u^8 and

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Least common multiple means find the expression which can be divided by both expressions.

15 and 6 both goes into 30

so 30 is part of LCM (least common multiple )

Now pickup the highest exponent of each variable.

So we get x^7y^4u^8

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8 0
3 years ago
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