2 years ago

If x =3, y = -2 and z = 6, find the value of 7xyz

Mathematics

1 answer:

muminat2 years ago

7 0

Answer:sin

(

330

)

csc

(

)

cos

(

390)

Step-by-step explanation:

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Tell whether x and y show direct variation. Explain your reasoning. x=y+2

Mashutka [201]

Answer:

It does not show variation

Step-by-step explanation:

Given

$x = y + 2$

Required

Determine if there's direct variation between x and y

The general form of direct variation is:

$y = kx$

Make y the subject of formula in the given parameters;

$x = y + 2$

$y = x - 2$

Compare $y = x - 2$ to $y = kx$

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6 0

2 years ago

Which set of lengths are not the side lengths of a right triangle? (A-28, 45, 53) (B-13, 84, 85) (C-36, 77, 85) (D-16, 61, 65) [

nikklg [1K]

Side lengths 16, 61, and 65 are not part of a right triangle.

A right triangle's sides should follow this formula, C being the largest number:

$a^{2} + b ^{2} = c^{2}$

$16^{2} = 256$

$61^{2} = 3721$

$65^{2} = 4225$

256 + 3721 = 3977

$3977 \neq 4225$

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2 years ago

What set does not contain the number 3

xxTIMURxx [149]

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Step-by-step explanation;

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2 years ago

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What is yhe area of thr hexagon? 5cm, 8cm and 9.28 cm

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