2 years ago

Which two numbers differ by 46

Mathematics

1 answer:

KengaRu [80]2 years ago

3 0

The two numbers that differ by 46 is 23

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Consider the half of the sphere of radius 2 centered at the origin which lies above the xy-plane (a hemisphere). Suppose the den

Harlamova29_29 [7]

Answer:

25.133 units

Step-by-step explanation:

Since the density ρ = r, our mass is

m = ∫∫∫r³sinθdΦdrdθ. We integrate from θ = 0 to π (since it is a hemisphere), Φ = 0 to 2π and r = 0 to 2 and the maximum values of r = 2 in those directions. So

m =∫∫[∫r³sinθdΦ]drdθ

m = ∫[∫2πr³sinθdθ]dr ∫dФ = 2π

m = ∫2πr³∫sinθdθ]dr

m = 2π∫r³dr ∫sinθdθ = 1

m = 2π × 4 ∫r³dr = 4

m = 8π units

m = 25.133 units

5 0

2 years ago

Find the distance between A and B.

Papessa [141]

Answer:

The result is $d = 2\sqrt{5}$ units.

Step-by-step explanation:

The coordinates for A and B:

A = (-2, 0)

B = (2, 2)

-To find the distance between A and B, you need the distance formula:

$d = \sqrt{(x_{2} - x_{1})^2 + (y_{2}-y_{1})^2}$ Where the first coordinate is $(x_{1},y_{1})$ and the second coordinate is $(x_{2}, y_{2})$ .

-Use the coordinates A and B for the equation:

$d = \sqrt{(2+2)^2 + (2-0)^2}$

-Then, you solve the equation:

$d = \sqrt{(2+2)^2 + (2-0)^2}$

$d = \sqrt{(4)^2 + (2)^2}$

$d = \sqrt{16 + 4}$

$d = \sqrt{20}$

$d = 2\sqrt{5}$

So, therefore the distance is $2\sqrt{5}$ units.

7 0

3 years ago

Helpp me... <br><img src="https://tex.z-dn.net/?f=hk%20%3D%202" id="TexFormula1" title="hk = 2" alt="hk = 2" align="absmiddle" c

vredina [299]

<h2>>> Answer </h2>

________

$\:$

hk = 2, ka = 1

soo :

hk + ka = ?

= 2 + 1

= 3

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2 years ago

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Simplify -4 1/4 - (-9 1/2)

Andreas93 [3]

The answer is D) 5 1/4.

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3 years ago

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A bakery has prepared 320 ounces of bread dough. each second, the machine will cut off a 5 ounce section of dough.let d be the a

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How but how much dough has it made

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2 years ago