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Aliun [14]
3 years ago
11

Here is a list of what John weighed in pounds on six different days. Find the mean of his weight to the nearest pound. 98, 101,

96, 95, 100, 96
Mathematics
1 answer:
Molodets [167]3 years ago
6 0
The answer to the nearest pound is 98. (The not rounded answer I got was 97.6)
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Which is the standard form of the equation of the parabola that has a vertex of (3, 1) and a directric of x = -2?
vagabundo [1.1K]
Check the picture below.  So,the parabola looks like so, notice the distance "p". since the parabola is opening to the right, then "p" is positive, thus is 5.

\bf \textit{parabola vertex form with focus point distance}\\\\
\begin{array}{llll}
\boxed{(y-{{ k}})^2=4{{ p}}(x-{{ h}})} \\\\
(x-{{ h}})^2=4{{ p}}(y-{{ k}}) \\
\end{array}
\qquad 
\begin{array}{llll}
vertex\ ({{ h}},{{ k}})\\\\
{{ p}}=\textit{distance from vertex to }\\
\qquad \textit{ focus or directrix}
\end{array}\\\\

\bf -------------------------------\\\\
\begin{cases}
h=3\\
k=1\\
p=5
\end{cases}\implies (y-1)^2=4(5)(x-3)\implies (y-1)^2=20(x-3)
\\\\\\
\cfrac{1}{20}(y-1)^2=x-3\implies \boxed{\cfrac{1}{20}(y-1)^2+3=x}

8 0
3 years ago
Read 2 more answers
in a video game, each player starts the game with k points and loses 2 points each time a task is not completed. If a player who
KIM [24]
The value of k is 400 points.

If the player fails to complete 100 tasks, then they lost 200 points. At the end of the game, they had 200 points.

We can write and solve the following equation to determine where they started.

x - 200 = 200
x = 400
8 0
3 years ago
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Let g represent the minimum amount of money Jamie needs to earn to pay his bills. Jamie works part time at an accounting firm. H
inessss [21]

Jamie has earned $80 +75 +145 +250 +80 = $630 so far this week. He needs to earn an additional $875 -630 = $245 to pay his bills.

If Jamie only has one last task, he must earn $245 on that task to pay his bills this week.

7 0
3 years ago
Simplify this expression.<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%5E%7B9%7D%20%7D%7B4%5E%7B3%7D%20%7D" id="TexFormula1
gogolik [260]

9x9x9x9divide by 4x4x4

3 0
3 years ago
Read 2 more answers
Х
devlian [24]

Answer:

-6

Step-by-step explanation:

x-intercept is y = 0, so the point is (-6, 0), answer is -6

3 0
2 years ago
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