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IRINA_888 [86]
3 years ago
10

2. The coach of a cricket team buys 3 bats and 6 balls for 3900. Later, she buys another

Mathematics
2 answers:
Marta_Voda [28]3 years ago
8 0

Answer:

1x + 3y = 1300

Step-by-step explanation:

ollegr [7]3 years ago
5 0

Step-by-step explanation:

variable x = bats

variable y = balls

3x + 6y = 3900

1x + 3y = 1300

I believe this is what they meant by represent it algebraically, but I'm not sure exactly what your class is learning right now. Geometrically, I do not know what they mean. I hope this helps you in some way

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The huge volcano erupted and frightened the baby.

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Select all of the expressions that are undefined. csc(0) sec(0) csc(pi/2) sec(pi/2) csc(pi) sec(pi)
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Answer:

The answer is "undefined, 1, undefined, undefined, and -1".

Step-by-step explanation:

Finding expression:

i) \csc(0) = \ cosec 0^{\circ} \\\\= \frac{1}{sin 0^{\circ}}\\\\= \frac{1}{0} \ \\\\undefined

ii) \csc (\frac{\pi}{2})\\\\= cosec \frac{\pi}{2}\\\\= cosec  \ 90^{\circ}\\\\= \frac{1}{\sin \ 90^{\circ}}\\\\= \frac{1}{1} \\\\=1\\

iii) \sec \frac{\pi}{2} \\\\= sec \ 90^{\circ}\\\\= \frac{1}{\cos 90^{\circ}}\\\\= \frac{1}{0}  \\ undefined

iv) \csc(pi)\\\\= \ cosec (180^{\circ})\\\\=  \frac{1}{\sin 180^{\circ}}\\\\= \frac{1}{0}\\undefined

v) sec (\pi) \\\\=\frac{1}{\cos 180^{\circ}}\\\\= \frac{1}{-1}\\\\= -1

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