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Lostsunrise [7]
2 years ago
15

WILL MARK BRAINLIEST!! EASY 25 POINTS!! DUE IN 20 MINUTES!!

Mathematics
1 answer:
vfiekz [6]2 years ago
3 0

Answer:

  • C. 4

Step-by-step explanation:

<u>Given function:</u>

  • y = 5x² – 20x + 24

<u>Convert the equation into vertex form:</u>

  • y = 5x² - 20x + 20 + 4 =
  •      5(x² - 4x + 4) + 4 =
  •      5(x - 2)² + 4

Vertex is (2, 4) at which the minimum y-value is 4

Correct choice is C

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What do I do after I find the implicit differentiation?
Murrr4er [49]

for the implicit integration I got:

1+3y^2y'-y'=0\\y'=-\frac{1}{3y^2-1}

the vertical tangent would at points at which y' goes to infinity.

that happen when the right-hand side has singularities, that is, the denominator is 0:

3y^2-1 =0\\y^2=1/3\\|y|=\sqrt{1/3}\\y=\pm\sqrt{1/3}

so the two points y above have a vertical tangent.


3 0
3 years ago
Read 2 more answers
A juggler is performing her act using several balls. She throws the balls up at an initial height of 4 feet, with a speed of 15
mestny [16]
The correct answer is B) 1.15 seconds.
8 0
3 years ago
A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.49, 0.39
Lostsunrise [7]

Answer: cops are pigs

Step-by-step explanation: they smell like bacon

8 0
3 years ago
Find S5 for a geometric series for which a1=81 and r=1/9.
Minchanka [31]

ANSWER

S_5=91\frac{10}{81}




EXPLANATION


The sum of the first n terms of a geometric sequence is given by;


S_n=\frac{a_1(1-r^n)}{1-r} ,-1


Where n, is the number of terms and a_1 is the first term.


When n=5, we have a_1=81, we get;


S_5=\frac{81(1-(\frac{1}{9})^5)}{1-\frac{1}{9}}


S_5=\frac{81(1-\frac{1}{59049})}{1-\frac{1}{9}}


S_5=\frac{81(\frac{59048}{59049})}{\frac{8}{9}}




S_5=\frac{7381}{81}


S_5=91\frac{10}{81}




6 0
3 years ago
Story Problems
Gnom [1K]
Problem 3: Let x = price of bag of pretzels Let y = price of box of granola bars  
We have Lesley's purchase: 4x+2y=13.50
 And Landon's: 1x+5y=17.55 
 We can use the elimination method. Let's negate Landon's purchase by multiplying by -1. -1x-5y=-17.55 
 We add this four times to Lesley's purchase to eliminate the x variable.
 2y-20y=13.50-70.2
 -18y=-56.7
 y = $3.15 = Price of box of granola bars
 
 Plug back into Landon's purchase to solve for pretzels.
 x+5*3.15=17.55
 x+15.75=17.55
 x = $1.80 = price of bag of pretzels
  
 Problem 4.
 Let w = number of wood bats sold
 Let m = number of metal bats sold
 
 From sales information we have: w + m = 23
 24w+30m=606 
 Substitution works well here. Solve for w in the first equation, w = 23 - m, and plug this into the second. 
 24*(23-m)+30m=606
 552-24m+30m=606
 6m=54
 m=9 = number of metal bats sold
 Therefore since w = 23-m, w = 23-9 = 14. 14 wooden bats were sold.


6 0
3 years ago
Read 2 more answers
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