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True [87]
3 years ago
15

Find the value of A in the equation 5/a+3=3/A-2

Mathematics
2 answers:
amid [387]3 years ago
4 0
5+3a = 3-2a
So
5a = -2
a=-2/5=-0.4
tresset_1 [31]3 years ago
3 0
If you would like to find the value of a in the equation 5/a + 3 = 3/a - 2, you can do this using the following steps:

<span>5/a + 3 = 3/a - 2     /*a
</span>5 + 3a = 3 - 2a
3a + 2a = 3 - 5
5a = -2
a = -2/5

The correct result would be <span>-2/5.</span>
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Select the rational expression that is equivalent to the given expression below. 4/x-3
Aliun [14]
To find the correct option we need to calculate each of the given options.
Option (1):
\frac{x+2}{x-3} /  \frac{4}{x+2} =  \frac{x+2}{x-3} *  \frac{x+2}{4} =  \frac{(x+2)^2}{4(x-3)}

Option (2):
\frac{x+2}{x-3} *  \frac{4}{x+2} =  \frac{4}{x-3}

Option (3):
\frac{x+2}{x-3} - \frac{4}{x+2} = \frac{(x+2)^2-4(x-3)}{(x-3)(x+2)}

option (4)
\frac{x+2}{x-3} + \frac{4}{x+2} = \frac{(x+2)^2+4(x-3)}{(x-3)(x+2)}


So, the correct answer is option (2)
7 0
3 years ago
Read 2 more answers
The width of a rectangle is 30% of its length. what is the area of the rectangle?
miskamm [114]

Answer:

L x (.3 * L) = Area

Step-by-step explanation:

30% = 0.3  so width = 0.3 times L

area is L x W

4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20-%207%28x%20-%204%29%20%2B%203x%20-%2027" id="TexFormula1" title=" - 7(x - 4) + 3x - 27" al
sweet-ann [11.9K]

The answer is -4x + 1.

5 0
3 years ago
Please help! 10 PTS!
Valentin [98]
5/2+2/3+n=1/6
5/2=15/6
2/3=4/6
15/6+4/6+n=1/6
19/6+n=1/6
n=1/6-19/6
n=-18/6
n=-3
So, your answer is -3
7 0
3 years ago
Read 2 more answers
Malila wants to make the International Marine Signal flag shown. What is the area of the flag? _______________ inches squared
Kamila [148]

Answer:

The area of the flag is 1750 square inch

Step-by-step explanation:

The complete question is attached.

Solution

The flag consist of two triangles of base 12.5 inch and height 100 inch and one rectangle of width 5 inch and length of 100 inch

Total Area

(2 * 0.5 * 12.5 *100) + (5 *100)

1750 square inch

6 0
3 years ago
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