2 years ago

(a) Martina owns 64 shares of a certain stock. Yesterday the value of each share went up by 8

Mathematics

1 answer:

Mekhanik [1.2K]2 years ago

8 0

Answer:

a. 64 x ($)8 = ($)512

b. 45 (members) / 9(weeks) = 5 (members per week)

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Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AD = 12

Dmitry [639]

Answer:

x = 6

Step-by-step explanation:

let 'x' = BD

x/3 = 12/x

x² = 36

x = $\sqrt{36}$

x = 6

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3 years ago

Please help me divide

Inessa [10]

Hope this work helps you

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3 years ago

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What does x and y equal in this equation x+y=6

lyudmila [28]

The correct answer to this problem is
C=3
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3 years ago

A lamina with constant density rho(x, y) = rho occupies the given region. Find the moments of inertia Ix and Iy and the radii of

jenyasd209 [6]

Answer:

Ix = Iy = $\frac{ρπR^{4} }{16}$

Radius of gyration x = y = $\frac{R}{4}$

Step-by-step explanation:

Given: A lamina with constant density ρ(x, y) = ρ occupies the given region x2 + y2 ≤ a2 in the first quadrant.

Mass of disk = ρπR2

Moment of inertia about its perpendicular axis is $\frac{MR^{2} }{2}$ . Moment of inertia of quarter disk about its perpendicular is $\frac{MR^{2} }{8}$ .

Now using perpendicular axis theorem, Ix = Iy = $\frac{MR^{2} }{16}$ = $\frac{ρπR^{4} }{16}$ .

For Radius of gyration K, equate MK2 = MR2/16, K= R/4.

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3 years ago

Winston has just gone grocery shopping. The mean cost for each item in his bag was $2.71. He bought a total of 9 items, and the

sukhopar [10]

The cost of the 9th item is $3.94

Since the mean cost for the 9 items in his bag was $2.71. Then, the total cost will be: = 9 × $2.71 = $24.39

In order to get the price of the 9th item, we have to calculate the price of all the 8 items given which will be:

$2.01 + $2.20 + $2.68 + $3.59 + $3.12 + $1.64, + $1.75 + $3.46 = $20.45

Therefore, the cost of the 9th item will be:

= $24.39 - $20.45

= $3.94

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3 years ago