MATHEMATICS HIGH SCHOOL

What is the value of n so that the expression x^2 + 11x + n is a perfect trinomial?a) 11
b) 25
c) 30.25
d) 36

Answers

Answer 1
Answer: the answer is c) 30.25

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The length of a rectangle is five inches less than twice its width. If the rectangle has a perimeter of 80 inches, findthe length and width.

Answers

the length the width the perimeter
50 + 30 = 80

Points points points

Answers

The answer is  A.  informed decisions.
I hope this helps...

Answer:

The answer is A.

What is the rate of change?
What is the Y- intercept?

Answers

Answer:

The y-intercept is -5 and I’m not sure about the rate of change

Step-by-step explanation:

Thompson's market sells a 25 pound bag of happy chow dog food for $15.49 and a 30 pound bag of super chow dog food for $17.39 which brand is the better buy?Explain

Answers

Answer:

The better buy would be super chow since the price per pound($0.58) is cheaper than Happy chow's $0.62 so a buyer gets the same quantity but at a cheaper price

Step-by-step explanation:

Happy chow is $15.49 for 25 pounds

The price per pound Happy chow=15.49/25 =$0.62

Super chow is $17.39 for 30 pounds

The price per pound of Super chow=17.39/30=$0.58

Happy chows($0.62)>Super chow ($0.58)

The better buy would be Super chow since the price per pound($0.58) is cheaper than Happy chow's $0.62 so a buyer gets the same quantity but at a cheaper price

Happy chow is $15.49 for 25 pounds

The price per pound Happy chow=15.49/25 =$0.62

Super chow is $17.39 for 30 pounds

The price per pound of Super chow=17.39/30=$0.58

Happy chows($0.62)>Super chow ($0.58)

The better buy would be Super chow since the price per pound($0.58) is cheaper than Happy chow's $0.62 so a buyer gets the same quantity but at a

hope it helps!!!!!!!!!!!!!!!!

Ray is purchasing a laptop that is on sale for 25% off. He knows the function that represents the sale price of his laptop is c(p) = 0.75p, where p is the original price of the laptop. He also knows he has to pay 8% sale's tax on the laptop. The price of the laptop with tax is f(c) = 1.08c, where c is the sale price of the laptop.Determine the composite function that can be used to calculate the final price of Ray's laptop by solving for f[c(p)].

f[c(p)] = 1.83p
f[c(p)] = 1.83cp
f[c(p)] = 0.81p
f[c(p)] = 0.81cp

Answers

Answer: f[c(p)]=0.81p

Step-by-step explanation:

Given: Ray is purchasing a laptop that is on sale for 25% off.

The function that represents the sale price of his laptop :

c(p) = 0.75p, where p is the original price of the laptop.

The price function of the laptop with tax :

f(c) = 1.08c, where c is the sale price of the laptop.

Now, consider the composite function that can be used to calculate the final price of Ray's laptop .

\text{ i.e.  }f[c(p)]=f[0.75p]\n\n\Rightarrow f[c(p)]=1.08(0.75p)\n\n\Rightarrow f[c(p)]=0.81p
c(p) = 0.75p   where p is the original price of the laptop
f(c) = 1.08c    where c is the sales price of the laptop

the composite function is:

f(c(p)) = 1.08(0.75p)
f(c(p)) = 0.81p

What is 30 minutes from 3:14?

Answers

you need to subtract 30 minutes from 3:14. you can take out the 14 and subtract it from the 30 to make things easier, then subtract the other 16 from 3:00 and youll get 3:44 :) hope this helps :)
3:14 Plus 0:30

Equals To 3:44
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