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3 years ago

I need help please help me

Mathematics

2 answers:

KatRina [158]3 years ago

6 0

Answer:love your self

Step-by-step explanation:

grandymaker [24]3 years ago

5 0

Answer:

not too sure but I think its 0

Step-by-step explanation:

f(0)= 0

g(0)= -3

0×-3=0

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Please Help! In which of the following intervals does the trigonometric inequality sec(x)

vovikov84 [41]

Since this is multiple choice, we can pick any x from the listed intervals and check whether sec(x) < cot(x) is true.

• From 0 < x < π/2, take x = π/4. Then

sec(π/4) = 1/cos(π/4) = √2

cot(π/4) = 1/tan(π/4) = 1

but √2 < 1 is not true.

• From π/2 < x < π, take x = 3π/4. Then

sec(3π/4) = 1/cos(3π/4) = -√2

cot(3π/4) = 1/tan(3π/4) = -1

and -√2 < -1 is true. So sec(x) < cot(x) is always true for π/2 < x < π.

• From π < x < 3π/2, take x = 5π/4. Then

sec(5π/4) = 1/cos(5π/4) = -√2

cot(5π/4) = 1/tan(5π/4) = 1

and -√2 < 1 is true. So sec(x) < cot(x) is also true for π < x < 3π/2.

• From 3π/2 < x < 2π, take x = 7π/4. Then

sec(7π/4) = 1/cos(7π/4) = √2

cot(7π/4) = 1/tan(7π/4) = -1

but √2 < -1 is not true.

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1 year ago

Solve the equation and check your answer. If the answer is a fraction write it

Dmitry [639]

This is the start of it

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2 years ago

Katya is traveling by train to visit her relatives in another state. The equation y=60x+20 represents the total distance she is

erastovalidia [21]

Step-by-step explanation:

Step one:

Given

The expression for Katya's distance away from home is given by the expression

$y=60x+20$

y represents her total distance away from home

x= represent the time of travel in hours

Step two:

60 represents the rate at which the train is traveling in km per hour

20 represents the initial distance from home

we predict her distance away at a given time

say 4 hours, that is x=4hours

substituting in the expression

y=60x+20

y=60(4)+20

y=240+20

y=260km

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2 years ago

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If one jar of coffee costs $y, what will be the cost of four jars of coffee

Gnoma [55]

4 jars of coffee is going to cost 4 times $4

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2 years ago

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Make d the subject of the formula h = d/3 + 2

Thepotemich [5.8K]

First what you would have to do is distribute the reciprocal to the (d/3 + 2) and the d/3 is canceled out. You are left with h=6/d. When you put the h over 1 in a fraction, it stays the same. Like in trig, you switch the d and the h and you have d/1=6/h.

d=6/h

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2 years ago