4 years ago

Identify y = sec(x)

Mathematics

1 answer:

marta [7]4 years ago

3 0

Answer:

Step-by-step explanation:

sec(x) = 1/cos(x)

You know cos(x) = 1 for x=0, so sec(0) = 1.

You also know that sec(x) has vertical asymptotes where cos(x) = 0, at odd multiples of π/2. Only selection D matchest these characteristics.

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Two sides of a triangle have the same length. The third side measures 3 m less than twice that length. The perimeter of the tria

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Answer:

two sides have the length of 7m

third side is 11m

Step-by-step explanation:

perimeter is the sum of all sides

let 'n' = length of congruent sides

let '2n - 3' = length of third side

25 = n + n + 2n - 3

25 = 4n - 3

28 = 4n

n = 7m

2(7) - 3 = 11m

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3 years ago

Katie has a tin of chocolates.

alexgriva [62]

I got 36
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3 years ago

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4 years ago

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An angle turns through 2/8 of the circle.what is the measure of this angle

Anastasy [175]

Answer:

90°

Step-by-step explanation:

note that $\frac{2}{8}$ simplifies to $\frac{1}{4}$

There are 360° in one turn of the circle , then

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2 years ago

The graph of a proportional relationship passes through (9, 18) and (1, y). Find y.

spayn [35]

Answer:

Step-by-step explanation:

Because it's a proportional relationship and it goes through the point (9, 18) the equation is y = 2x so when x = 1, y = 2.

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3 years ago