All categories

3 years ago

If a^2 -b^2 =12 and a-b=4 what is the bay of a +b

Mathematics

1 answer:

slava [35]3 years ago

7 0

Answer:

a+b = 3

Step-by-step explanation:

a = b+4

a^2 = (b+4)(b+4) = b^2 + 8b +16=-b^2 = 12

8b=-4

b = - 1/2

a = 3.5

You might be interested in

The circumference of a circular garden is 138.16 feet. What is the radius of the garden? Use 3.14 for it and do not round your a

kobusy [5.1K]

Answer:

11 feet

Step-by-step explanation:

6 0

3 years ago

The number of foam fingers sold at the Kennedy Center from 1900 to 2004 can be modeled by S =

Juliette [100K]

Answer:

C) 11703

Step-by-step explanation:

from 1900 to 1976 is 76 years.

substitute 76 for t:

S = 2(76)^2 + 2(76) - 1

S = 2(5776) + 152 - 1

S = 11552 + 151

S = 11703

7 0

3 years ago

Find the logarithm of 10

Reptile [31]

It is one

step by step explanation:
calculator

5 0

3 years ago

Its A the answer for ur which expression shows a way

Kobotan [32]

Answer: I think you somehow managed to try to make an answer and then accidentally clicked "add a question" and then just so happened to not realize, so you made your answer as a question...

Step-by-step explanation:

Kidding, but I'm not sure what this is supposed to be answering... There is not much context given lol.

8 0

2 years ago

Can someone answer this for me?

nordsb [41]

Answer:

-2, 4, 6

Step-by-step explanation:

8 0

3 years ago