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zubka84 [21]
3 years ago
6

Solve the formula for the volume V = πr 2 h for h.

Mathematics
1 answer:
Vlad1618 [11]3 years ago
3 0

Answer:

The answer is 5 because it is what it is.

Step-by-step explanation:

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At the arcade, Sami won 2 blue tickets, 1 yellow ticket, and 3 red tickets for 1500 total points. Jamie won 1 blue ticket, 2 yel
aleksandrvk [35]

Answer:

\left[\begin{array}{ccc}2&1&3\\1&2&2\\2&3&1\end{array}\right]  \left[\begin{array}{c}b&y&r\end{array}\right]   = \left[\begin{array}{c}1500&1225&1200\end{array}\right]

Step-by-step explanation:

Given

b = blue

y = yellow

r = red

Required

Represent as a matrix

For Sammy:

2\ blue + 1\ yellow + 3\ red =1500

So, we have:

2b + 1y + 3r = 1500

2b + y + 3r = 1500

For Jamie:

1\ blue + 2\ yellow + 2\ red =1225

So, we have:

1b + 2y + 2r = 1225

b + 2y + 2r = 1225

For Yvonne:

2\ blue + 3\ yellow + 1\ red =1200

So, we have:

2b + 3y + 1r = 1200

2b + 3y + r = 1200

The system of equations are:

2b + y + 3r = 1500

b + 2y + 2r = 1225

2b + 3y + r = 1200

To represent as a matrix, we have:

\left[\begin{array}{ccc}b_1&y_1&r_1\\b_2&y_2&r_2\\b_3&y_3&r_3\end{array}\right]  \left[\begin{array}{c}b&y&r\end{array}\right]  = \left[\begin{array}{c}Total_1&Total_2&Total_3\end{array}\right]

This gives:

\left[\begin{array}{ccc}2&1&3\\1&2&2\\2&3&1\end{array}\right]  \left[\begin{array}{c}b&y&r\end{array}\right]   = \left[\begin{array}{c}1500&1225&1200\end{array}\right]

3 0
3 years ago
Ok. The point (3,0) lies on a circle with the center at the origin. What is the area of the circle?
Fittoniya [83]
If a point on the circle is (3,0) then the radius is 3 units. 
The area of the circle is \pi *r^{2}
\pi *9
about 28.27 units
7 0
4 years ago
A certain state uses the following progressive
mr_godi [17]

9514 1404 393

Answer:

  $3684

Step-by-step explanation:

The tax on the first $2000 is 0.02×$2000 = $40.

The tax on the next $9000 -2000 = $7000 is 0.05×$7000 = $350.

The tax on the next $70000 -9000 = $61000 is 0.054×$61000 = $3294.

Then the total tax due is $40 +350 +3294 = $3684.

The state income tax owed is $3684.

_____

<em>Additional comment</em>

For amounts over $9000, the tax owed can also be computed as ...

  tax = (income × 0.054) - $96

which we consider to be a much simpler calculation.

7 0
3 years ago
I need some help here I will be giving away 20 pts for answers (ignore #6 My attempts at answering it)
Dominik [7]
Yea I kinda need it more clear ....
6 0
3 years ago
HJ=53 IK=56 JK=15 find the length of HI and IJ
Nana76 [90]

HI = (HJ + JK) - IK

HI = (53 + 15) - 56 = 69 - 56 = 13

IJ = HJ - HI = 53 - 13 = 40

7 0
4 years ago
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