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3 years ago

10

Please answer correctly! I will mark you as Brainliest!

1 answer:

Ymorist [56]3 years ago

7 0

<h3>Answer:</h3>

We know that,

Volume of cone = 1/3πr²h

1/3 × π × (7)² × 9
49 × 3π
147π inches³

So. <u>Correct choice</u> - [B] 147π inches³

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Find the quotient and remainderbfor 52 ÷8

svet-max [94.6K]

52/8 = 6 remainder 4

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4 years ago

Read 2 more answers

14 − 3m = 5 what is M=?

Rashid [163]

Isolate the variable by dividing each side by factors that don't contain the variable.

m = 3

mark brainliest answer if you life my answer and is great

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3 years ago

A large storage tank, open to the atmosphere at the top and filled with water, develops a small hole in its side at a point 10.4

vlabodo [156]

Answer:

Therefore the diameter of the hole is $1.94 \times 10^{-3}$ m.

Step-by-step explanation:

Bernoulli's equation,

$P_1+\frac12 \rho v^2_1+\rho g h_1= P_2+\frac12 \rho v^2_2+\rho g h_2$

P₁ = P₂= atmospheric presser

$\rho$ = density

$\frac12 \rho v^2_1+\rho g h_1= \frac12 \rho v^2_2+\rho g h_2$ [since P₁ = P₂]

$\Rightarrow\rho (\frac12 v^2_1+ g h_1)= \rho(\frac12 v^2_2+ g h_2)$

$\Rightarrow\frac12 v^2_1+ g h_1= \frac12 v^2_2+ g h_2$

$\Rightarrow\frac12 v^2_2-\frac12 v^2_1=g h_1- g h_2$

$\Rightarrow v^2_2- v^2_1=2g h$ [ $h_1-h_2=h$ ]

Here $v_1\approx 0$

$\Rightarrow v^2_2=2g h$

$\therefore v_2=\sqrt {2gh$

Here g= 9.8 m/s² , h = 10.4 m

The velocity of water that leaves from the hole $v_2$ = $\sqrt {2\times 9.8\times 10.4}$ m/s

=14.28 m/s.

Given, the rate of flow from the leak is $2.53\times 10^{-3}$ $m^3/min$

$=\frac{2.53\times 10^{-3}}{60}$ $m^3/s$

Let the diameter of the hole be d.

Then the cross section area of the hole is $=\pi (\frac d2)^2$

We know that,

The rate of flow = Cross section area × speed

$\Rightarrow \frac{2.53\times 10^{-3}}{60} =\pi (\frac d2)^2\times 14.28$

$\Rightarrow (\frac d2)^2=\frac{2.53\times 10^{-3}}{60\times 14.28\times \pi}$

$\Rightarrow d= 1.94 \times 10^{-3}$

Therefore the diameter of the hole is $1.94 \times 10^{-3}$ m.

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4 years ago

jamie joined the marching band. to pay for a uniform, he borrowed $150 for 4 months with 5% interest per month. what was the toa

antiseptic1488 [7]

Answer: $ 180

Step-by-step explanation:

Since, the amount he borrow = $ 150

Also, After borrowing the money for the dress he is charged 5% per month for 4 months,

Thus, The total amount of dress

$A = \text{ The initial amount of the dress + The interest he paid for the dress}$

$A = 150 + \frac{150\times 5\times 4}{100}$

$A = 150 + 30 = 180\text{ dollars}$

Hence, the total amount of the dress = $180

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4 years ago

Kelly tells you that when variables are in the denominator, the equation one over two plus three over x equals three over four b

Gnom [1K]

The equation is 1/2+3/x=3/4, it is still solvable
the equivalent of the equation is (1.x+2.3)/2.x = 3/4, or (x+ 6)/2.x=3/4, this last can be solved as follow: 4.(x+ 6) = 2x.3, 4x+ 24 = 6x, so 24=6x-4x=2x, and when 2x= 24 , it means x=24/2 =12, finally the equation is solvable because x=12 is a solution

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4 years ago