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2 years ago

The number of trees in garden discrete or continous

Mathematics

1 answer:

lana [24]2 years ago

4 0

Answer:

The number of trees in a garden is discrete because you can count them easily.

Step-by-step explanation:

Discrete= The amount of something that is counted.

Continuous= Something that has to be measured.

Hope that helps. x

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Find the volume of the solid that lies between planes perpendicular to the x-axis at x = pi/4 and x = 5pi/4. The cross-sections

svp [43]

Answer:

The volume of the solid = π²

Step-by-step explanation:

As per the given data of the questions,

The diameter of each disk is

D = 2 sin(x) - 2 cos(x)

So its radius is

R = sin(x) - cos(x).

The area of each disk is

$= \pi \times(sinx-cosx)^{2}$

$= \pi \times [sin^{2}(x) - 2 sin(x) cos(x) + cos^{2}(x)]$

$= \pi[1-2sin(x)cos(x)]$

$= \pi[1-sin(2x)]$

Now,

Integrate from $x=\frac{\pi}{4}\ \ \ to\ \ \ x=\frac{5\pi}{4}$ , we get volume:

$V=\int_{\frac{\pi}{4}}^{\frac{5\pi}{4}} \pi[1-sin(2x)]dx$

After integrate without limit we get

$V=\pi[x+\frac{cos2x}{2}]$

Now after putting the limit, we get

V = π²

Hence, the required volume of the solid = π²

3 0

3 years ago

Enter the unknown value that makes this statement true 40% of ______ is 60

SpyIntel [72]

40% of 150 is 60. That’s math

7 0

3 years ago

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What is the slope and y-intercept of the graph?

ValentinkaMS [17]

Answer:

slope= -1

y-intercept = 24

Step-by-step explanation:

2x +2y=24

2x-24=-2y

divide by then u get:

-1x + 12= y

-1 is ur slope

y-intercept

let x=0

y= -1(0)+12

y =0+12

y = 12

7 0

2 years ago

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Can a triangle be formed with 4cm 8cm and 12cm

worty [1.4K]

No. 4^2 + 8^2 or 16 + 64 is 80, and the hypotenuse, 12 (144) is not 80.

7 0

3 years ago

Helppppppoppp please 10 points !!!

Evgesh-ka [11]

Answer:

2x+27+x+27=180

3x+54=180

3x=180-54

x=126/3

x=42

angle B=x+27

=42+27

=69 degree

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers