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motikmotik
3 years ago
12

Help a girl out thank you ​

Mathematics
2 answers:
KonstantinChe [14]3 years ago
8 0

Answer: number 2

Step-by-step explanation:

Vadim26 [7]3 years ago
4 0

Answer:

2

Step-by-step explanation:

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Solve the equation a/a^2-9 +3/a-3=1/a+3
MAXImum [283]
Answer is: a= -4
STEP
1
:

1
Simplify —————
a + 3
Equation at the end of step
1
:

a 3 1
(————————+—————)-——— = 0
((a2)-9) (a-3) a+3
STEP
2
:

3
Simplify —————
a - 3
Equation at the end of step
2
:

a 3 1
(————————+———)-——— = 0
((a2)-9) a-3 a+3
STEP
3
:

a
Simplify ——————
a2 - 9
Equation at the end of step
3
:

a 3 1
(————————————————— + —————) - ————— = 0
(a + 3) • (a - 3) a - 3 a + 3

Equation at the end of step
4
:

(4a + 9) 1
————————————————— - ————— = 0
(a + 3) • (a - 3) a + 3
Pull out like factors :

3a + 12 = 3 • (a + 4)

Equation at the end of step
6
:

3 • (a + 4)
————————————————— = 0
(a + 3) • (a - 3)

3•(a+4)
——————————— • (a+3)•(a-3) = 0 • (a+3)•(a-3)
(a+3)•(a-3)

a+4 = 0

Subtract 4 from both sides of the equation :
a = -4
7 0
3 years ago
The ratio of the interior angles of a triangle is 2:3:5. What are the angle measures
Talja [164]
2:3:5
2x+3x+5x=180
10x=180
x=18
2x=36
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5x=90
6 0
3 years ago
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Solve for x .........
Allisa [31]

Answer:

90x

Step-by-step explanation:

3 0
2 years ago
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galben [10]

15 percent of the fruit in the fruit bowl are oranges

3 0
2 years ago
How many ways can you make 35?
Ksju [112]
35 é divisível por 5 e 7
5 e 7 são números primos, logo, 35 pode ser escrito...
5*7, 7*5, 35*1
7 0
3 years ago
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