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Alenkinab [10]
3 years ago
7

A wild 30 points appears!

Mathematics
1 answer:
IrinaVladis [17]3 years ago
3 0

Answer:

tyyyyyyyyyyyyyyyyyyyyyyyy!!!!!

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Pls help due tonight. BRIANLIEST IF CORRECT. Prob easy tho.
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-13 and -5 hope this helps???

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3 years ago
4 + 8x + 2.2 - 10x pls help need to simplefy
Verdich [7]

Answer:

Here use this to help you

Step-by-step explanation:

https://www.geteasysolution.com/4+8x+2.2-10x=

8 0
2 years ago
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Differential Equations and Slope Fields
stiv31 [10]

Answer:

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Step-by-step explanation:

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3 years ago
Water is leaking out of an inverted conical tank at a rate of 6800.0 cubic centimeters per min at the same time that water is be
m_a_m_a [10]

Answer:

6.82 mt^3/min

Step-by-step explanation:

By congruence of triangles, the radius r of the cone base when its height is 1 meter satisfies the relation

r/1 = 2.5/6

(See picture attached)

So, r = 0.4166 meters when the water is 1 meter high.

The volume of a cone with radius of the base = R is given by

V=\frac{\pi R^2h}{3}

So, the volume of water when it is 1 meter high is

V=\frac{\pi* 0.(4166)^2}{3}=0.1817\;mt^3

One minute later, the height of the water is 1 meter + 30 centimeters = 1.30 mt

The radius now satisfies

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and now the radius of the base is

r = 0.5416 mt

and the new volume of water is 0.3071\;mt^3

So, the water is raising at a speed of

0.3071-0.1871 = 0.12 mt^3/min

This speed equals the difference between the water being pumped and the water leaking,

So,  

<em>0.12 = Speed of water being pumped -6.8  </em>

and

Speed of water being pumped = 6.8+0.12 = 6.82 mt^3/min

8 0
3 years ago
What is the value of x, if the perimeter of the rectangle is 76?<br><br> This is the problem :
krok68 [10]
Add all of the sides together which then equal 76. So it would simplify to 14x+20=76. Then 14x=56. And 56/14=4. X=4
5 0
3 years ago
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