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den301095 [7]
3 years ago
13

Un depósito abierto tiene la forma de un cono circular recto Un depósito abierto tiene la forma de un cono circular recto. El de

póstio mide 8 pies de diámetro a través de su parte superior y tiene 6 pies de altura. Si el depósito se encuentra vacío, y se bombea agua a través del fondo (vértice del cono)... ¿Cuánto trabajo se realiza para llenar el depósito hasta una altura de 2 pies?
Mathematics
1 answer:
balu736 [363]3 years ago
7 0

i do not speak spanish

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Sonja [21]

Answer:

Minimum -1, maximum 1.

At points (3π/4. -1) and  (π/4 , 1)

Step-by-step explanation:

The maximum value for the sine of an angle is 1 and the minimum is -1.

The angle will have values of π/2 and 3π/2 at these points.

As the angle is 2x the angle values will be  π/4 and  3π/4.

6 0
3 years ago
Find the roots.<br><br> 2x^2 + 4x - 5 =0
xz_007 [3.2K]

Answer:

-1\pm\dfrac{\sqrt{14}}{2}

Step-by-step explanation:

2x^2+4x-5=0

Using the quadratic formula:

x=\dfrac{-4\pm \sqrt{16+40}}{4}=-1\pm\dfrac{\sqrt{14}}{2}

Hope this helps!

8 0
3 years ago
You’re given two side lengths of 3 centimeters and 5 centimeters. Which measurement can you use for the length of the third side
bogdanovich [222]

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6 centimeters and 4 centimeters

Step-by-step explanation:

According to the Triangle Inequality, the sum of the lengths of any two sides of a triangle has to be greater than the third side. The answer choices that satisfy the Triangle Inequality is 6 centimeters and 4 centimeters.

8 0
3 years ago
Are the following triangles congruent?<br> A) SAS<br> B) ASA<br> C) SSS<br> D) NOT
lidiya [134]
The answer is
A) SAS
7 0
3 years ago
At cracker barrel there are 15 side items to choose from. You order a variety plate that consists of 5
Nataly_w [17]

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3003

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It is going to be 15C5

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