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Afina-wow [57]
3 years ago
7

Explain why the graph of the quadratic function ()=2++5 crosses the y-axis by does not cross the x-axis

Mathematics
1 answer:
irga5000 [103]3 years ago
6 0

Answer:

The graph of a quadratic function is a parabola, and its parts provide valuable information about the function.

Step-by-step explanation:

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I need help please!!
Arturiano [62]
The answer would be 2.5 because you would do length times width times height so 5.2 times 9.3 is 48.36 but to get to 120.9 you would multiply it by 2.5 so the answer is 2.5 inches.

-hope this helped!
3 0
3 years ago
What type of angle is 2??
Maksim231197 [3]

Answer:

Vertical Angles...............

6 0
3 years ago
Bob and James are finishing the roof of a house. Working alone, Bob can shingle the roof in 14 hours. James can shingle the same
Snowcat [4.5K]

we know that Bob can do the whole job in 14 hours, how much of the work has he done in 1 hour only?  well since he can do the whole lot in 14 hours in 1 hour he has only done 1/14 th of the job.

we know that James can do it in 18 hours, a bit slower, so in 1 hour he has done only 1/18 th of the job.

let's say it takes both of them working together say "t" hours, so in 1 hour Bob has done (1/14) of the work whilst James has done (1/18) of the work, the whole work being t/t or 1 whole, so for just one hour that'd 1/t done by both Bob and James.

\bf \stackrel{Bob}{\cfrac{1}{14}}~~+~~\stackrel{James}{\cfrac{1}{18}}~~=~~\stackrel{total~for~1~hour}{\cfrac{1}{t}} \\\\\\ \stackrel{\textit{using an LCD of 126}}{\cfrac{9+7}{126}=\cfrac{1}{t}}\implies \cfrac{16}{126}=\cfrac{1}{t}\implies 16t=126\implies t=\cfrac{126}{16} \\\\\\ \stackrel{\textit{7 hrs, 52 minutes and 30 seconds}}{t=\cfrac{63}{8}\implies t=7\frac{7}{8}}\implies \stackrel{\textit{rounded up}}{t=7.88}

7 0
3 years ago
PLZZZZZZZZZZZZZZZ HELP ME FAST
alekssr [168]
So it's actually 0.36363636... with the 36 repeating, right? 

<span>Here's a technique for converting repeating decimals to fractions: </span>

<span>N = 0.3636363636... </span>
<span>100N = 36.36363636... </span>

<span>This means 100N - N = (36.363636...) - (0.36363636...). This simplifies to 99N = 36, because the "0.36363636..." parts of both numbers on the right cancel each other out. </span>

<span>Solving this for N gives </span>
<span>N = 36/99, or 4/11 </span>

<span>If you take a calculator (or use long division) and divide 4 by 11, you'll see that it's 0.36363636...</span>
8 0
3 years ago
Factor the polynomial <br><br> n ^ 4 - 49n ^ 2 = 0
kobusy [5.1K]

Answer:

I have no clue on how to answer this bc I thiugh i knew how to answer

4 0
3 years ago
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