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andreyandreev [35.5K]
3 years ago
5

Find the equation of the exponential function represented by the table

Mathematics
1 answer:
Elan Coil [88]3 years ago
5 0

Answer:

y=3(2)^x

Step-by-step explanation:

y=3(2)^x

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3(s-5)/4 -3 = 4s- (s-3)/2<br>pls answer fast​
Jobisdone [24]

Answer:

s =  \frac{9± \sqrt{ - 39} }{4}

Step-by-step explanation:

\frac{3(s - 5)}{4 - 3}  =  \frac{4s \times (s - 3)}{2}

➡️ \frac{3(s - 5)}{1}  = 2s \times (s - 3)

➡️ 3s - 15 = 2 {s}^{2}  - 6s

➡️ 3s - 15  -  2 {s}^{2}  + 6s = 0

➡️ 9s - 15 - 2 {s}^{2}  = 0

➡️ - 2 {s}^{2}  + 9s - 15 = 0

➡️ 2 {s}^{2}  - 9s + 15 = 0

➡️ s =  \frac{ - ( - 9)± \sqrt{( - 9 {)}^{2}  - 4 \times 2 \times 15} }{2 \times 2}

➡️ s =  \frac{9± \sqrt{81 - 120} }{4}

➡️ s =  \frac{9± \sqrt{ - 39} }{4}

➡️ s∉ℝ

5 0
3 years ago
Divide the number of meters by to find the number of laps
Igoryamba

Answer:

Solution for Divide the number of meters by to find the number of laps. Runners 3 4 Number of Laps 4. 8 12 Number of Meters 1600 3200 4800 6400 de the…

Step-by-step explanation:

3 0
3 years ago
Solve for k<br> 4k - 6 1<br> 3k - 9 = 3
spin [16.1K]
Add nine to both sides then divide by 3 and K=4
7 0
3 years ago
Read 2 more answers
Scores on a test are normally distributed with a mean of 70 and a standard deviation of 11.5. find p81, which separates the bott
choli [55]

Answer: The score p81 that separates the bottom 81% from the top 19% is 80.12

Step by step:

First, calculate the "z" value. Z is a normally distributed random variable with 0 mean and standard deviation 1. The score value corresponding to the desired percentile p81 can be determined from a z value as follows:

z=\frac{s-\mu}{\sigma}\\z_{p81}=\frac{p_{81}-70}{11.5}\\\implies p_{81}=z_{p81}\cdot 11.5+70

We use a z-table (check online) to find the z value for the 81-st percentile. I found z_{p81}=0.88 and so we use that value to calculate the score for the percentile:

p_{81}=0.88\cdot 11.5+70=80.12

The score p81 that separates the bottom 81% from the top 19% is 80.12



4 0
4 years ago
A new cruise ship line has just launched 3 new ships: the Pacific Paradise, the Carribean Paradise, and the Mediterranean Paradi
Anton [14]
Let x = Pacific Paradise
You can set up the equation like this:
x + (3x - 25) + (x + 18) = 928
(Combine like-terms)
5x - 7 = 928
(Add 7 to both sides)
5x = 935
(divide by 5 to both sides)
x = 187 (# of deluxe staterooms Pacific Paradise)

Next to find the # of deluxe staterooms of the other cruise ships create two equations

Let y = Carribean Paradise
x + 18 = y
(plug in the value of x which is 187)
187 + 18 = y
(combine like-terms)
205 = y (# of deluxe staterooms Carribean Paradise)

Let z = Mediterranean Paradise
3x - 25 = z
(plug in the value of x which is 187)
3(187) - 25 = z
(follow PEMDAS to simplify and combine like-terms)
536 = z (# of deluxe staterooms Mediterranean Paradise)

Finally check your answer by adding up all of your answers to make sure it equals 928

536 + 205 + 187 = ? (928!)



3 0
3 years ago
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