3 years ago

Make a graph of the following region 1< x+y in the standard (X

Mathematics

1 answer:

artcher [175]3 years ago

4 0

Slope of 1 dotted line

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What basic trigonometric identity would you use to verify that (sin2x + cos2x)/cosx=secx

Oksana_A [137]

Answer:

Step-by-step explanation:

sin(2x) = 2 sin(x) cos(x) cos(2x) = cos2(x) – sin2(x) = 1 – 2 sin2(x) = 2 cos2(x) – 1. Now I am not sure if this is right but I remember another similar formula. Here is the correct formula cot x = cos x / sin x

2 ) ( sin² x + cos² x ) / cos x = sec x

1/cos x = sec x

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3 years ago

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What is the result if 3x-9 is evaluated when x = -5?

Anton [14]

Answer:

Step-by-step explanation:

I wonder if it is the minus that is causing the problem?

Let x = - 5

3*(-5) - 9

-15 - 9

This is a money question. If you are 15 dollars in debt and you spend another 9, where are you? (In the company of the American government. They do this all the time).

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3 years ago

Convert the rate 1000 ounces per 2 hours to cups per minutes?

Andrews [41]

125 cups in 120 minutes (because 1000 oz/8 = 125 cups and 2 hrs is 120 minutes)

$\frac{125}{120} = \frac{n}{1}$

now reduce the fraction by dividing the numerator and denominator by 5 = (optional)
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So 24n = 25 Divide both sides by 24
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3 years ago

Solve, then type your answer into the box. Use the sketch pad(s) to show your work, or the graph on the next page to upload an i

Andrei [34K]

Answer:a

Step-by-step explanation:

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2 years ago

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What is 1000+2000+3/4

Pani-rosa [81]

the answer is 3000.75 (3000 and 3/4)