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denis23 [38]
3 years ago
8

Suppose you add 10% of a number to the number, and then you subtract 10% of the total. Is the result greater than, less then, or

equal to the original number?
Mathematics
1 answer:
anyanavicka [17]3 years ago
5 0
Let's say the number is 9. 10% of 9 is 0.9. Add that to 9 and you would get 9.9. 10% of 9.9 is 0.99. Subtract and you would get 8.91. Then you could do the rest.
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Twenty percent of cars that are inspected have faulty pollution control systems. The cost of repairing a pollution control syste
gulaghasi [49]

Answer:

8%

Step-by-step explanation:

Assumption: her car has faulty pollution control system is independent of the cost of repairing a pollution control system exceeds $100.

Applying the multiplication rule gives:

faulty pollution control system and cost of repairing it exceeds $100 = 0.2*0.4 = 0.08 = 8%

4 0
3 years ago
Which statement correctly describes the end behavior of f(x)=ax+b, where a and b are positive numbers?
sergij07 [2.7K]

Answer:

The correct option is 2.

Step-by-step explanation:

The given function is

f(x)=ax+b

Where, a and b are positive numbers.

The given function is the slope intercept form of a linear function. Where a is the slope and b is y-intercept.

Since slope is positive therefore function approaches to infinity as x approaches to infinity and function approaches to negative infinity as x approaches to negative infinity.

It is also proved by using limits.

lim_{x\rightarrow \infty}f(x)=lim_{x\rightarrow \infty}(ax+b)

Apply limits.

lim_{x\rightarrow \infty}f(x)=a(\infty)+b=\infty

Similarly,

lim_{x\rightarrow -\infty}f(x)=lim_{x\rightarrow -\infty}(ax+b)

Apply limits.

lim_{x\rightarrow -\infty}f(x)=a(-\infty)+b=-\infty

Therefore option 2 is correct.

f(x)\rightarrow \infty \text{ as }x\rightarrow \infty

f(x)\rightarrow -\infty \text{ as }x\rightarrow -\infty

7 0
3 years ago
WILL GIVE BRAINLIEST AND 50 POINTS
Sav [38]

Answer:

all you have to do is count it , or figure out the histogram.

6 0
3 years ago
Solve: |2x + 3| -1 < 4
dybincka [34]
|2x+3|-1<4
|2x+3|<5

1) when 2x +3 is positive     
2x+3<5
2x<2
x<1    (-∞, 1)

2) when 2x+3 is negative
-(2x+3)<5
-2x-3<5
-2x<8
x>-4  (-4, ∞)

(-∞, 1)∩(-4, ∞)=(-4,1)



7 0
3 years ago
Read 2 more answers
Evaluate the expression of 26^3+5 when b=3
arsen [322]

Answer:

i dont knoy sorry i am in hurry

5 0
2 years ago
Read 2 more answers
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