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mixer [17]
3 years ago
9

Find each unit cost rounded to the nearest cent. Then determine the better buy. 3 cans of corn for $1.68; 5 cans of corn for $2.

45
Mathematics
1 answer:
Bumek [7]3 years ago
4 0

1.68 / 3 = 0.56 per can

2.45 / 5 = 0.49 per can

 the 5 cans for 2.45 is better because it is cheaper per can.

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PLS HELP ME! FOR 50 POINTS!!! I will give brainliest!
lbvjy [14]

Answer:

\frac{x - 3}{x + 4}  \div  \frac{x ^{2} - 1 }{ x}   \\ = \frac{x - 3}{x + 4}  \times  \frac{x}{ {x}^{2}  - 1}  \\  =\frac{x(x - 3)}{(x + 4)( {x}^{2} - 1) }  \\=  \frac{x(x  - 3)}{(x + 4)(x  +  1)(x   -  1)}

8 0
2 years ago
Find the zeros (roots) of the following equations. f(x) = 2x5 - 9x4 + 12x3 - 12x2 + 10x - 3 = 0
Talja [164]
Hi,
f(1)=2*1^5-9*1^4+12*1^3-12*1^2+10*1-3\\
=2-9+12-12+10-3\\
=0\\

f(x)=(x-1)(2x^4-7x^3+5x^2-7x+3)\\


g(x)=2x^4-7x^3+5x^2-7x+3\\

g(3)=2*3^4-7*3^3+5*3^2-7*3+3\\
=162-189+45-21+3\\
=0\\

g(x)=(x-3)(2x^3-x^2+2x-1)\\

h(x)=2x^3-x^2+2x-1\\

h( \dfrac{1}{2} )=2* \dfrac{1}{8} - \dfrac{1} {4}+1-1\\
=0\\

h(x)=(2x-1)(x^2+1)\\


f(x)=(x-1)(x-3)(2x-1)(x+i)(x-i)\\



Roots are 1,3,0.5,i,-i.

8 0
3 years ago
What is the equivalent of 6x-8y?​
liberstina [14]
Plug y=-5 into the equation
6x+8(-5)=-22
6x-40=-22
6x=-22+40
6x=18
x=3
6 0
3 years ago
5.
shutvik [7]
What’s the question? Lol
7 0
3 years ago
A basketball league's average score is 58 points per game. Coach McGee tracks a team's average for five weeks and compares
iogann1982 [59]

Answer:

the 2nd option

Step-by-step explanation:

If you change Week 5 into a decimal, you will get -1.8, which is the same as Week 4.

Hope this helps :)

8 0
3 years ago
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