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zvonat [6]
3 years ago
9

C-4d-1 2c-8d=2 solve

Mathematics
1 answer:
Crank3 years ago
6 0
There's 2 variables and only 1 equation given, please check that you entered the problem correctly.

I'm going to assume that should be (c-4d=1) and (2c-8d=2)

multiplying the first equation by 2 will actually give you the same equation as the second, so this is the same line. they intersect at every point, so all real numbers is your answer!
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HELP PLEASE
jok3333 [9.3K]

Answer:

b

Step-by-step explanation:

I mean I believe its b it looks like theres three

3 0
3 years ago
If f(x)=3x+2 what is the equation for f^-1(x)
Elden [556K]

Answer:

  f^-1(x) = (x -2)/3

Step-by-step explanation:

To find the inverse function, swap x and y, then solve for y.

  y = 3x +2 . . . . given function

  x = 3y +2 . . . . inverse relation

  x -2 = 3y . . . . subtract 2

  (x -2)/3 = y . . . divide by 3

f^-1(x) = (x -2)/3 . . . . in functional form

4 0
3 years ago
A=130(1.05)^x by what percent does the balence increase each year?
frosja888 [35]

Answer:

5%

Step-by-step explanation:

The question showing a growing function that commonly used in compound interest calculation. The formula for compound interest is:

A = P (1 +r) ^ t

A= amount of the balance after a period of t

P= principal, the initial money deposit

r= rate

t= time

The percent of balance increase should be represented by the rate(r). In this equation, the principal will be 130, (1+r) will be 1.05, and time will be x.

The value of rate (r) will be:

(1+r) = 1.05

r= 1.05-1= 0.05 = 5%

6 0
3 years ago
Help I need the answers immediately​
Vikki [24]

Answer:

linear pair

Step-by-step explanation:

the sum of linear pair angles is 180 degree.

so if we apply 16 in place of x in both equations and add them we get 180

4 0
3 years ago
The baker pays $0.50 per pound for sugar and $0.75 per pound for butter. Write an expression that shows how much the baker will
stiks02 [169]
.5(20)+.75(6)=$14.50
3 0
3 years ago
Read 2 more answers
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