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Nadusha1986 [10]
3 years ago
13

Sec^4x-tan^4x=sec^2x+tan^2x

Mathematics
1 answer:
tino4ka555 [31]3 years ago
5 0
\sec^4x-\tan^4x=(\sec^2x-\tan^2)(\sec^2x+\tan^2x)=\sec^2x+\tan^2x

since \tan^2x+1=\sec^2x.
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Solve for the angle denoted by the "?". Round to the nearest tenth.
katovenus [111]
<h3>Answer:   35.4</h3>

====================================================

Explanation:

Let x be the reference angle where the question mark is located.

Opposite this angle x is 27. The adjacent side is 38.

Use the tangent ratio to tie the two sides together

tan(angle) = opposite/adjacent

tan(x) = 27/38

x = arctan(27/38)

x = 35.3947958 .... which is approximate

x = 35.4

Be sure that your calculator is in degree mode. The notation "arctan" refers to "arctangent" which is the same as inverse tangent. Your calculator should have a button labeled \tan^{-1} to help compute this.

7 0
3 years ago
Find the slope of the line that passes through the points (2, 1) and (-4, -5). -1 1 7/5
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The answer is 1.

Use the slope formula to solve.

m=\frac{y2-y1}{x2-x1}

Substitute the corresponding values into the equation.

m=\frac{-5-1}{-4-2}

m=\frac{-6}{-6}

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6 0
3 years ago
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Suppose a family has a gross annual income of ​$36,000, What is the maximum amount the family should spend each month on a mortg
Talja [164]

Answer:

Step-by-step explanation:

Ok, if they make $36,000 every year, that means the maximum they can spend is $36,000.

If the mortgage is a monthly payment, and there are 12 months in a year, that means we will split the $36,000 over 12 different payments. To do that we will divide the 36,000 by 12

36,000 / 12 = $3,000

That means the most they can spend on mortgage is $3,000 per month.

6 0
3 years ago
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il63 [147K]

Answer:

False

Step-by-step explanation:

1+16=17

14+2=16

17 does not = 16

7 0
4 years ago
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NeTakaya

Answer:

if there are answer choices i would put the closest one to 16

8 0
3 years ago
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