ANSWER PLEASE 40 POINTS!

Mathematics

2 answers:

tangare [24]3 years ago

8 0

Answer: |10 - (-8)|

The absolute value is 18

Step-by-step explanation:

The distance between two numbers is a subtraction equation.

10 - (-8) Subtracting a negative is like adding a positive

10 + 8 = 18

If you look at it as the first negative sign means -1 multiplied by the next negative number, "Remember that a negative times a negative is a positive!"

sergiy2304 [10]3 years ago

6 0

Answer:

|-10 - (-8)|

Step-by-step explanation:

Distance from 10 to 0: 10
Distance from 0 to -8: 8
Put them together (with absolute value): |-10 - (-8)|

I hope this helps!

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Determine the inverse of the function. (show work please)

uysha [10]

Answer:

This is easy -- it's just a list of steps. At this level, the problems are pretty simple.

Let's just do one, then I'll write out the list of steps for you.

Find the inverse of f( x ) = -( 1 / 3 )x + 1

STEP 1: Stick a "y" in for the "f(x)" guy:

y = -( 1 / 3 )x + 1

STEP 2: Switch the x and y

( because every (x, y) has a (y, x) partner! ):

x = -( 1 / 3 )y + 1

STEP 3: Solve for y:

x = -( 1 / 3 )y + 1 ... multiply by 3 to ditch the fraction ... 3x = -y + 3 ... ditch the +3 ... subtract 3 from both sides ... 3x - 3 = -y ... multiply by -1 ... -3x + 3 = y ... y = -3x + 3

STEP 4: Stick in the inverse notation, f^( -1 )( x )

f^( -1 )( x ) = -3x + 3

Step-by-step explanation:

5 0

3 years ago

Can someone make sure the first 3 questions are correct and help me on the 4th one?

Ratling [72]

Sorry, I'm no help because I have no idea how to do those!

4 0

3 years ago

Is 0.102 less than 3/7

Bond [772]