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liberstina [14]
3 years ago
8

Somebody help please​

Mathematics
2 answers:
lozanna [386]3 years ago
6 0

Answer:

\frac{2(a+4b)}{a^2 -b^2 }

Step-by-step explanation:

\frac{3}{a-b} -\frac{1}{a+b} +\frac{4b}{(a-b)(a+b)} =

\frac{3(a+b)}{(a-b)(a+b)} -\frac{a-b}{(a-b)(a+b)} +\frac{4b}{(a-b)(a+b)} =

\frac{3a + 3b -a + b + 4b}{(a-b)(a+b)} =

\frac{2(a+4b)}{a^2 -b^2 }

inessss [21]3 years ago
3 0

Answer: look at the picture i attached!

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-3x + 5 = -4x - 10 solution??? ill give brainlist
mrs_skeptik [129]

Answer:

x=-10

Step-by-step explanation:

hope this helps, sorry if i get wrong

DO NOT PICK ANSWER IT IS WRONG.

3 0
2 years ago
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What is the domain of y= √x-5-1
mariarad [96]
Y = sqrt(x - 5) - 1

for the square root to be a real number x must be >= 5

The domain is x>= 5 , or in interval notation [5, ∞)
4 0
3 years ago
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Geneva treated her parents to dinner at their favorite restaurant the bill was $74.25 Geneva wants to leave 16% of the total tip
Tanya [424]

Answer: The tip would be $11.88.

Step-by-step explanation: Basically, to find the tip of the bill you need to multiply the total, $74.25 by the tip amount which is 16%. To do this you will first need to convert 16% to a decimal. To find the decimal, divide 16 by 100 to get 0.16. Next, you will need to multiply the total of the bill $74.25 by the decimal 0.16. 74.25 multiplied by 0.16 is 11.88. So, the tip would be $11.88.

6 0
3 years ago
What is the GCF of 128 and 9?
kicyunya [14]
128 & 9
Factors of 1: 128, 9
Factors of 2: no
Factors of 3: no
Factors of 4: no
Factors of 5: no
Factors of 6: no
Factors of 7: no
Factors of 8: no
Factors of 9: no

GCF is 1
8 0
2 years ago
Can someone help me please will mark brainlist
ziro4ka [17]

Answer:

day 15

Step-by-step explanation:

13 - 6 miles = 7 miles      or    14     one half miles

   week1   + 14 weeks = week 15

6    6.5    7    7.5   8    8.5   9   9.5   10   10.5   11    11.5   12   12.5    13  

6 0
2 years ago
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