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ladessa [460]
3 years ago
14

How to solve an equation using the completing the square?

Mathematics
1 answer:
djyliett [7]3 years ago
4 0
I usually used formula
f(x)=a(x+b/2a)^2+c-b/4

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Price $98.50. tax rate:6.2% sales tax?
Svetlanka [38]

Hello!

First, let's find 6.2% of 98.5, and then add that price.

98.5(0.062)≈6.11

Now we add.

98.5+6.11= 104.61

Therefore, our final cost would be $104.61.

I hope this helps!

3 0
3 years ago
A special piece of equipment is used at a construction site to dig holes. A hole is dug to a depth of 3.25 feet when the equipme
MrRissso [65]

Answer:

13 hours and 12 minutes 


Step-by-step explanation:

You put 3.25 as a fraction which is 3 1/4. then I took 3 1/4 and misused it by 11 1/2. 23/2 - 13/4 = 8 1/4 then we took the 5/8 and divided it by 33/4 (3 1/4) I got 13 1/5. 13 1/5 is 13 hours and 12 minutes.

6 0
3 years ago
X²-x-30<br> Factored form of each expression
Kaylis [27]
Answer is (x - 6)(x + 5)
x -6 = 0
x = 6
x + 5 = 0
x = -5
{-5, 6}
4 0
3 years ago
Sophie records the total number of cans of cat food she uses after different numbers of days. She wants to know if the number of
dolphi86 [110]

The number of cans is proportional to the number of days, because each day it uses 2 c

4 0
1 year ago
Rabiyas mother is tired so rabia decided iron her clothes but the ironing cloth herself but the ironing board is too high for he
xeze [42]

This is a guess, but, from what I've researched, maybe decrease? I've looked into it alot and that's just I think, though, it may depend on the previous height. Still, just an educated guess (I've got 100% on all kinds of quizzes because of educated guesses so, it may work!)

4 0
3 years ago
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