3 years ago

Capacity, but only to

Mathematics

1 answer:

Mariulka [41]3 years ago

8 0

Answer:

350

Step-by-step explanation:

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Answer:

24;120;201600

Step-by-step explanation:

25. 3 salads, 4 main courses, 2 vegetables, 1 dessert

3*4*2*1=24

26. 5*4*3*2*1=120

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3 years ago

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Marizza181 [45]

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3 years ago

In ΔIJK, i = 180 cm, ∠J=89° and ∠K=38°. Find the length of k, to the nearest 10th of a centimeter.

vodka [1.7K]

Answer:

138.8 cm

Step-by-step explanation:

Angle I =180 - 89 - 38 = 53

Using sine law

i/sinI = k/sinK

180/sin53 = k/sin38

k = 138.76

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4 years ago

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Dmitriy789 [7]

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3 years ago

Find the volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.

Morgarella [4.7K]

Answer:

624.8 pi

Step-by-step explanation:

Given that a parabola open up with original as vertex is rotated about x axis

LImits for x are 1 and 5

y = x^2 is the parabola

We have volume when rotated about x axis is

$\pi \int\limits^a_b {y^2} \, dx$

Here lower limit = 1 and higher limit = 5

$\pi \int\limits^5_1 {y^2} \, dx \\=\pi \int\limits^5_1 {x^4} \, dx \\=\pi (\frac{x^5}{5} )_1^5\\=\pi (\frac{1}{5} )(5^5-1^5)\\= 624.8 \pi$

Volume generated = 624.8 pi

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3 years ago