Answer:
-9x^2 - 15x.
-3x.
Step-by-step explanation:
The first quotient is -9x^2 - 15x.
To find the second result we divide the above by 3x + 5:
-3x
____________
3x + 5) -9x^2 - 15x
-9x^2 - 15x
-----------------
..................
The result is -3x.
16x - 15 is the simplified answer
Answer:
The tip was actually a little over 15% so we could surely say it is pretty sound and reasonable.
Step-by-step explanation:
To Determine:
Explain how Kallie can mentally estimate whether her mom's tip is reasonable for a 15% tip?
<em>Information Fetching and Solution Steps:</em>
As
- Kallie's mom takes her out for lunch
- The bill comes to $18.75
- Her mom comments that the waiter did a good job and deserves a 15% tip
- Kallie notices that her mom leaves a $4 tip
So,
- You can find
by moving the decimal point one place to the left - of
will be 
, then half of that will be 
So, 
should be be about 
Therefore, the tip was actually a little over 15% so we could surely say it is pretty sound and reasonable.
Keywords: tip, word problem, decimal
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Answer:
Step-by-step explanation:
The inverse of
y
=
2
x
is
y
=
log
2
x
Explanation:
This is how to do it.
From the given
y
=
2
x
interchange the variables so that
x
=
2
y
then solve for y:
x
=
2
y
take the logarithm of both sides with base
=
2
log
2
x
=
log
2
2
y
log
2
x
=
y
and
y
=
log
2
x
The graph of
y
=
2
x
and its inverse
y
=
log
2
x
. They are symmetric with the line
y
=
x
graph{(y-2^x)(y-log x/log 2)(y-x)=0[-20,20,-10,10]}
God bless....I hope the explanation is useful.
Answer:
Huh!
The circles with of same radii or same circumference or same area are congruent.
No need to proof!
Step-by-step explanation:
Or just type it,
'Since they have the same radii, they are congruent!'
