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notka56 [123]
4 years ago
6

Why will the value of y for the function y equals 5x + 1 always be greater than that of y equals 4x + 1 when X is greater than 1

?
Mathematics
1 answer:
mezya [45]4 years ago
6 0

"Why?" in math has various meanings.

Let's solve

5x +1 > 4x + 1

That's easily solved,

5x - 4x > 1 - 1

x > 0

Since x>1 is included in x>0, it's in the solution set to the above inequality, so all such x make the inequality true.

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What is y greater Than or equal to 1/3x-2
KiRa [710]

Answer:

The given equation is

⇒y≥\frac{1}{3x-2}

As domain of the function is 3 x-2≠0

             x≠2/3

⇒For different values of x we get different values of y.

When,  x>2/3 , we get positive values of y.

So , y≥ 0

and  when x< 2/3 , we get values of y which are negative.

i.e y≤0

At x=2/3, function is not defined.So at that point there does not exist any value of y.





4 0
4 years ago
150 miles in 6 gallons
Andreas93 [3]

Answer:

uh thanks for the points

Step-by-step explanation:

7 0
3 years ago
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Whats the gamble formula
Juli2301 [7.4K]

\quad\quad\quad\quad\huge\tt{Answer \: ☕}

┈──────────────────────────┈

<h3>The formula looks like this: </h3>

  • (Probability of Winning) x (Amount Won per Bet) – (Probability of Winning) x

  • (Amount Won per Bet) – (Probability of Losing) x (Amount Lost per Bet).

So, in our example we would plug in these variables, a 50% chance of winning, winning $6, a 50% chance of losing, and $5 lost.

<h3>The formula for expected value = </h3>

  • (fair win probability) x (profit if win) - (fair loss probability) x (stake).

This is the formula in the OddsJam sports betting expected value calculator.

\LARGE \tt{Example: \color{purple}{ Amount \:  of \:  Win}}

┈──────────────────────────┈

\quad\quad\quad \large\tt{Solve \:  for \:  \color{red}{Amount  \: of  \: Win}}

\quad\quad \quad\quad \large\tt{x = Amount  \: of \:   Win}

_ _ _ _ _ _ _ _ _ _ _ _

\quad\quad\quad \implies\sf{0 =  \frac{2}{3} * \times  - .50}

\quad\quad\quad\implies\tt{0 + .50 =  \frac{2}{3}* \times  - .50 + .50 }

\quad\quad\quad\implies\tt{0 + .50 =  \frac{2}{3} * \times  + 0}

\quad\quad\quad\implies \color{blue}\boxed{ \tt \color{red}{.50 =  \frac{2}{3}* \times  }}

_ _ _ _ _ _ _ _ _ _ _ _

Therefore, the amount of win is \tt{.50 =  \frac{2}{3}* \times  }

\large\tt{From: \: \#Brainly.PH}

┈──────────────────────────┈

4 0
2 years ago
A college-entrance exam is designed so that scores are normally distributed with a mean of 500 and a standard deviation of 100.
yawa3891 [41]

Answer:

The probability is  0.003

Step-by-step explanation:

We know that the average \mu is:

\mu=500

The standard deviation \sigma is:

\sigma=100

The Z-score is:

Z=\frac{x-\mu}{\sigma}

We seek to find

P(x800)

For P(x>800) The Z-score is:

Z=\frac{x-\mu}{\sigma}

Z=\frac{800-500}{100}

Z=3

The score of Z = 3 means that 800 is 3 standard deviations from the mean. Then by the rule of the 8 parts of the normal curve, the area that satisfies the conficion of 3 deviations from the mean has percentage of 0.15%

So

P(x>800)=0.15\%

For P(x<200) The Z-score is:

Z=\frac{x-\mu}{\sigma}

Z=\frac{200-500}{100}

Z=-3

The score of Z = -3 means that 200 is 3 standard deviations from the mean. Then by the rule of the 8 parts of the normal curve, the area that satisfies the conficion of 3 deviations from the mean has percentage of 0.15%

So

P(x

Therefore

P(x800)=P(x800)

P(x800)=0.0015 + 0.0015

P(x800)=0.003

6 0
3 years ago
What's -9 x 7 plssssssssss answerrrrr quicklyyyy
NNADVOKAT [17]
It’s -63 all you would be multiple like normal 63 which then you put a negative symbol on front
6 0
3 years ago
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