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damaskus [11]
3 years ago
15

Solve for h: Z=4πr^2h/3

Mathematics
1 answer:
CaHeK987 [17]3 years ago
7 0

So firstly, multiply by 3 on both sides: 3z=4\pi r^2h

Next, divide both sides by 4πr², and your answer will be: \frac{3z}{4\pi r^2} =h

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8/9÷3= 7/8 1/5 8/27 2/3​
natima [27]
8/9 divided by 3 = 8/27

have a wonderful day! the steps are down below! :)

4 0
3 years ago
A pond initially contains 1000000 gal of water and unknown amount of an undesirable chemical. water containing 0.01 g of his che
Marta_Voda [28]

Answer: Yes

Step-by-step explanation:

4 0
3 years ago
For mutually exclusive events r1​, r2​, and r3​, we have ​p(r1​) = 0.05​,​ p(r2​) = 0.6​, and ​p(r3​) = 0.35. ​also, p( q | r 1
labwork [276]

From the definition of conditional probability:

P(R_1\mid Q)=\dfrac{P(R_1\cap Q)}{P(Q)}

By the law of total probability,

P(Q)=P(Q\cap R_1)+P(Q\cap R_2)+P(Q\cap R_3)

P(Q)=P(Q\mid R_1)P(R_1)+P(Q\mid R_2)P(R_2)+P(Q\mid R_3)P(R_3)

P(Q)=0.42

Since

P(R_1\cap Q)=P(Q\mid R_1)P(R_1)

we end up with

P(R_1\mid Q)=\dfrac{0.03}{0.42}\approx0.0714

5 0
3 years ago
Please help asap!!! !!!!....!!
bazaltina [42]
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  3. <em><u>ㅎㅇ로오규</u></em>
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  5. <em><u>ㅗㅌ고럭</u></em>
4 0
3 years ago
Please Help!!!
ipn [44]

Answer:

2. x=5

y=10

3. x=21

y=4

Step-by-step explanation:

2. 13y=20x+3y    10y=20x

8x+y=180-13y      14y=180-8x

y=2x    plugging that into 14y=180-8x   28x=180-8x     36x=180   x=5

plug x into 10y=20x    10y=100    y=10

3. 3(x+y)=(4x-9)    3x+3y=4x-9   x=3y+9

5x=180-4x+9        9x=189          x=21

plug 21 into x=3y+9     21=3y+9    12=3y    4=y

3 0
3 years ago
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