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Free_Kalibri [48]
2 years ago
12

What is the PROBABILITY that a person selected at random:

Mathematics
1 answer:
GaryK [48]2 years ago
4 0
Oh ! ℹ️动听 u你第二日桑坦德……
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What is the solution of x+8/5x-1>0?
DerKrebs [107]

Answer:

x<-8 or x>1/5

Step-by-step explanation:

\frac{x+8}{5x-1} >0

First we replace > symbol by = sign

\frac{x+8}{5x-1} =0

To solve for x we multiply 5x-1 on both sides

x+8 =0

x=-8

5x-1=0 solve for x

x= 1/5

WE got two values x=-8  and x= 1/5

Now we make a number line and check with each interval

x<-8,  -8<x<1/5,  x>1/5

Pick x= -9 and check with the given inequality

\frac{-9+8}{5(-9)-1} >0

1/46 >0 is true, so x<-8 satisfies our inequality

Pick x= 0 and check with the given inequality

\frac{0+8}{5(0)-1} >0

-8 >0 is false , -8<x<1/5 does not satifies our inequality

Pick x= 2 and check with the given inequality

\frac{2+8}{5(2)-1} >0

10/9>0 is true , x>1/5  satisfies our inequality

3 0
3 years ago
Read 2 more answers
Can Someone please help me with this I don't know it?!?! I have a test on Friday!!! Thank You!
aleksklad [387]

Answer: a = 3.5

Step-by-step explanation:

14=4a

divide both sides by 4

14/4 = 3.5

4a/4 =1a or a

so a= 3.5

3 0
3 years ago
Read 2 more answers
What is the unit rate of 9.60 for 4 pounds
leva [86]
9.60 / 4 = 2.40 per lb
5 0
3 years ago
Write an equivalent exponential equation for the following three problems.
Naily [24]

<u>Answer with step-by-step explanation:</u>

We are given three different expressions and we are to write an equivalent exponential equation for them.

We know that the standard form of a logarithmic expression is given by:

y = log_a ( x ) which is equivalent to the exponential form  x = a ^ y.

1. log _ {10} (0.1) = -1 ---> 10^{-1}=0.1

2. log _ {3} 9 = 2 ---> 3^2=9

3. log _ 5 ( \frac { 1 } { \sqrt { 5 } } ) = -\frac { 1 } { 2 } ---> 5^{-\frac{1}{2} }=\frac{1}{\sqrt{5} }

8 0
3 years ago
the expression 42 plus 57 shows how much money Nate spent at a store .which expression also shows how much money Nate spend
ArbitrLikvidat [17]

Answer:

66+33

Step-by-step explanation:

42+57= 99

__________

My expression

66+33= 99

Hope this helps!

-Payshence

8 0
2 years ago
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