Evaluate -4 - 5 + 4 + (-5)
Answers
Answer:
-10
Step-by-step explanation:
Answer:
-10
Step-by-step explanation:
it just works
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A train travels 25 miles in 20 minutes. What is the train speed in miles per hour?
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If the function G(x) = (x - 8)2 + 6 has the same shape as F(x) = x2 + 6, how far to the right of F(x) is G(x) shifted?
Answers
9514 1404 393
Answer:
2 and 3
Step-by-step explanation:
Let x and y represent the first and second numbers, respectively.
3x +3y = 15
4x +2y = 14
Dividing the equations by common factors, we can rewrite them to standard form:
x + y = 5
2x + y = 7
Subtracting the first equation from the second gives ...
(2x +y) -(x +y) = (7) -(5)
x = 2
Using either equation to find y, we have also ...
y = 3
The two numbers are 2 and 3.
Answer:
{3m+3n=15
4m+2n=14
Step-by-step explanation:
What is the acceptable range for the densitometer reading?
exactly 1.8
from 0 to 3.6
from 1.0 to 2.6
from 1.62 to 1.98
from 1.8 to 1.98
Answers
1.8 * 10/100 = 0.18
If we add this value to the original value,
1.8+0.18 = 1.98
If we subtract this value from the original value,
1.8-0.18 = 1.62
therefore the range will be,
from 1.62 to 1.98
Answers
48+40=88
88+40=128
128+50=178
Thats all i found so far in the pattern
30,40,40,50
then it drops
by 140 then adds by 30..
I dont know how else to explain it
Answers
Step-by-step explanation:
Tip amount = $ 141.60 - $120 = $ 21.60
tip percentage = $ 21.60 / $120 x 100% = 18%
Answers
Step-by-step explanation:
Area of a circle is pi times r-square
So...
Do the rest yourself, my calculator and pen are not handy.Sorry
d(x) = –9
m(x) = –7x
p(x) = |x|
Answers
On the attached diagram you can see all graphs of functions b(x), d(x), m(x) and p(x).
Finding the inverse of a function f(x):
1. First, replace f(x) with y. This is done to make the rest of the process easier.
2. Replace every x with a y and replace every y with an x.
3. Solve the equation from Step 2 for y. This is the step where mistakes are most often made so be careful with this step.
4. Replace y with In other words, you’ve managed to find the inverse.
5. Remember: the domain of f is the range of and the range of f is the domain of
.
Using this algorithm, you can find the inverse only in case C:
for m(x)=-7x:
1. y=-7x.
2. x=-7y.
3. y=-x/7.
4. .
5. The domain and the range of m(x) are all real numbers as well as the domain and the range of
Functions b(x) and p(x) are not one-to-one functions (see attached diagram), then you can't find an inverse function. Function d(x) doesn't include x, then you can't also find an inverse function.
Answer C
y=-7x ==>x=-7y==>y=-x/7 is the inverse of m(x)
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