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3 years ago

Plsssss helpñ i would appreciate it!!!

Mathematics

1 answer:

nikitadnepr [17]3 years ago

8 0

I cannot see the whole question but I think it is B

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How many solutions are there to the system of equations graphed below if the lines are parallel ???

Elodia [21]

No solutions

If the lines are parallel that means that the lines NEVER intersect. And since the lines never intersect, there will be no solutions

~~hope this helps~~

6 0

4 years ago

The Arnold

4vir4ik [10]

Well, first I'd start off by adding the hours. 10:30 Am + 1 hour = 11:30 AM.
11:30 Am + 1 hour = 12:30 PM. 12:30 + 1 hour = 1:30 PM. Then I would add the minutes. 3/4 of an hour is 3/4 of 60 minutes which is 45 mins. So, 1:30 PM + 45 minutes would be 2:15 PM.

7 0

4 years ago

Need explanation 20 points The function f is such that f(x) = 2x - 6 Find f^-1(x)

Dvinal [7]

HEYA! <3

Explanation :

GIVEN :

f(x) = 2x - 6

TO FIND :

Inverse of f(x) i.e $f ^{ - 1} (x)$

SOLUTION :

FOLLOW THESE THREE STEPS :

LET Y = f(x)

$\longrightarrow \tt{y = 2x - 6}$

$\longrightarrow{ \tt{ \: 2x - 6 = y}}$

MAKE X A SINGLE TERM IN LHS SIDE

$\longrightarrow{ \tt{2x = y + 6}}$

$\longrightarrow{ \tt{x = \frac{y + 6}{2} }}$

INTERCHANGE THE VALUE OF X AND Y

$\longrightarrow{ \tt{y = \frac{x + 6}{2} }}$

Hence ,

$\boxed{ \boxed{ {f}^{ - 1} (x) = \sf{ \bold{ \frac{x + 6}{2} }}}}$

Hope I helped!

Have a wonderful day / night !

Feel free to leave comments if you have any queries! :D

4 0

3 years ago

I need to solve this 1/4(-8y)-3x+9y-x

Alja [10]

Hope it helps to solve it

5 0

3 years ago

Plese someone answer me b asap

Oduvanchick [21]

Answer:

$\huge\boxed{\sf 9y^2 -22y-24}$

Step-by-step explanation:

$\sf (3y-1)^2 -(2y+4)^2+(2y-3)(2y+3)\\\\Using \ formula:\\\\1) (a-b)^2 = a^2-2ab+b^2\\\\2) (a+b)^2= a^2+2ab+b^2\\\\3) (a+b)(a-b) = a^2-b^2\\\\Applying \ Formulas\\\\(3y)^2-2(3y)(1)+(1)^2-[(2y)^2+2(2y)(4)+(4)^2]+(2y)^2-(3)^2\\\\9y^2-6y+1-[4y^2+16y+16]+4y^2-9\\\\9y^2-6y+1 -4y^2-16y-16+4y^2-9\\\\Combining \ like \ terms\\\\9y^2-4y^2+4y^2-6y-16y+1-16-9\\\\9y^2 -22y-24\\\\\rule[225]{225}{2}$

Hope this helped!

8 0

3 years ago

Read 2 more answers

Plsssss helpñ i would appreciate it!!!​

Plsssss helpñ i would appreciate it!!!