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3 years ago

8

(Warning this is an extremely hard question)

1 answer:

lesya [120]3 years ago

4 0

I don't have my glasss on and there are too many 1's which are messing with my eyes but all i have to say is PEMDAS
bonus question - i used to like school but at this point i just want to graduate

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chris has 5 stack of dvd each stack has10 dvds if chris add 2 more identical stacks of dvds to the shelves how many dvds will ch

Wewaii [24]

First if each stack has 10 cds and there is 5 stacks you do 10 X 5= 50. then you add two more stacks of 10 ( 2 stacks of 10=20) and add 20 to 50 which is 70

5 0

4 years ago

Determine how much money you will have after 8 years if you invest 4,000$ at 7% compounded monthly

Solnce55 [7]

You would get $26,880.
0.07*4000= 280; so $280 are added every month
There are 96 months in 8 years, so multiply 280*96 which =26,880

7 0

3 years ago

Elimination method 3x+4y=18 9x-5y=3

tatiyna

Answer:

The solution would be (10, -3)

Step-by-step explanation:

In order to solve using elimination, multiply the top equation by -3 and then add the equations together.

-9x - 12y = -54

9x - 5y = 3

---------------

17y = -51

y = -3

Now that we have a value for y, we can put it into either equation and solve for x.

3x + 4y = 18

3x + 4(-3) = 18

3x - 12 = 18

3x = 30

x = 10

4 0

3 years ago

Solve the proportion. 5/7 = 10/x+6

Leviafan [203]

X=8

Hope this helps write the answer

6 0

3 years ago

Read 2 more answers

Please resolve this problem for me! I've been having trouble with this for a while.

Bad White [126]

Answer:

a) 41

b) -31

c) 25/3

Step-by-step explanation:

The instructions explain what a function is pretty clearly.

Basically, whatever is in the parentheses next to the $f$ , you plug in to the expression that is the function.

ex: $f(x) = x + 4$

$f(5) = 5 + 4 = 9$

Okay, onto the problems:

a) $f(x) = 3x - 1$

First, plug in 14, since that is given:

$f(14) = 3(14) - 1$

and solve.

$f(14) = 42 - 1$

$f(14) = 41$

So, 41 is the answer to a.

b) Do the same thing you did in problem a. Plug in the number inside the parentheses and solve.

$f(-10) = 3(-10) - 1$

$f(-10) = -30 - 1$

$f(-10) = -31$

-31 is the answer to b.

c) For this problem, you have to do a bit of algebra.

First, take the base function f(x):

$f(x) = 3x - 1$

Then, set f(x) = 24:

$24 = 3x - 1$

and solve by isolating x.

$25 = 3x$

$\dfrac{25}{3} = x$

$x = \dfrac{25}{3}$

25/3 is the answer to c.

8 0

2 years ago