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bogdanovich [222]
2 years ago
9

Karsyn has a piece of wood that is 3 feet long. if she uses 2 and 13/16 feet to make a bookshelf, how many feet of wood does she

have left?
Mathematics
1 answer:
Evgesh-ka [11]2 years ago
6 0

Answer:

3/16 is left

Step-by-step explanation:

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Need help on #30 and 31 thanks!!
Nina [5.8K]
30)

\bf \begin{array}{llll}
y=&{{ a}}x^2&{{ +b}}x&{{ +c}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}
\\\\\\
discriminant\implies b^2-4ac=
\begin{cases}
0&\textit{one solution}\\
positive&\textit{two solutions}\\
negative&\textit{no solution}
\end{cases}

31)


a simple case for that would just be, using an equation with an imaginary value, let's do so

\bf \sqrt{-5}=x\implies \sqrt{-1\cdot 5}=x\implies \sqrt{-1}\sqrt{5}=x\implies i\sqrt{5}=x\\\\
-------------------------------\\\\
\textit{so, we'll use that imaginary value then}\\\\
\sqrt{-5}=x\implies -5=x^2\implies 0=x^2+5\implies \boxed{y=x^2+5}

when you get a "solution" or zero with an "i" or an imaginary value, is just a way to say, there's really no solution, the function never touches the x-axis
3 0
3 years ago
What is the volume of the right triangular prism shown? 8 yd 15 yd 4 yd the volume of the prism. Round your answer to the neares
zhuklara [117]

the answer is 27

i hope that helped u

8 0
2 years ago
Which is the equation of a line that is parallel to the line represented by y=7/6x+4
Xelga [282]
Y=7/6x+ (any number) will be a line parallel to the one above.. It has to contain the same slope 7/6
Y=7/6x+_
6 0
3 years ago
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Find the greatest possible error for each measurement 1 1/4c
Vikki [24]

Answer:

0.5

Step-by-step explanation:

6 0
3 years ago
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An ounce is 1/16 of a pound. How many ounces are in 8 3/4 pounds?
ivolga24 [154]
Multiply 8 3/4 lb by the conversion factor   16 oz
                                                                    ------------
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Then 35 lb       16 oz            560 oz
         -------- * -----------  =  ------------- =  140 oz (answer)
            4            1 lb                4
5 0
3 years ago
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