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professor190 [17]
3 years ago
8

Given a≠±b and (a^2 - b^2) / (a + b ) = 12, find a - b.

Mathematics
2 answers:
polet [3.4K]3 years ago
7 0

Answer:

a - b = 12

Step-by-step explanation:

- Factorise a² - b²

-  Crossed out common factors, (x + a)

--------------------------------------------------))

Hope this helped

Lyrx [107]3 years ago
5 0

Answer:

a-b=12

Step-by-step explanation:

Please consider Brainiest! ; )

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What is the equation of the line that passes through (7, 4) and (4, -2)?
erastova [34]

Solution:

we have been asked to find the equation of the line that passes through (7, 4) and (4, -2).

First we will find the slope of the line using the formula

m=\frac{y_2-y_1}{x_2-x_1}

Plugin the given values we get

m=\frac{-2-4}{4-7}=\frac{-6}{-3}=2

Now using the point slope form of a straight line

(y-y_1)=m(x-x_1)

Plugin the values

(y-4)=2(x-7)\\ \\ y=2x-14+4\\ \\ y=2x-10\\

Hence the correct option is a.


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3 years ago
Set up a proportion and use cross multiplication to solve. 22% of 50 is .a0
solniwko [45]
The answer is 11. 0.22 x 50 is 11.
7 0
3 years ago
Read 2 more answers
Ms. Patel drove 165 miles in 3 hours. If
jeka57 [31]

Answer:

385 miles

Step-by-step explanation:

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165mi/3 hr = 55 mph

we can multiply this number by 7 to see how many miles Patel will travel going this speed.

55 mph × 7hr = 385 miles

4 0
4 years ago
The basic equation for calculating compound interest is A=P(1+r/n)^(nt). If 2000$ is invested at an interest rate of 5% per year
Svetllana [295]
Hi there
The formula is
A=P(1+r/n)^(nt)
A future value?
p Present value 2000
R interest rate 0.05
N compounded quarterly 4
T time 8 years

So
A=2,000×(1+0.05÷4)^(4×8)
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Hope it helps
7 0
4 years ago
Read 2 more answers
Year - Sharing ratics - C 2216
max2010maxim [7]

Answer:  5 : 4

<u>Step-by-step explanation:</u>

The GCF of 60 and 48 is 12. So, divide both numbers by 12.

   60 : 48

<u>  ÷12  </u> <u>÷12  </u>

   5  :   4

4 0
3 years ago
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