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Lina20 [59]
3 years ago
5

Find the value of the sec 19 degrees using you calculator. (This might be a really simple question but I just don't know how to

plug it into my calculator)
Answers: 0.946, 1.011, 0.989, 1.058
Mathematics
1 answer:
USPshnik [31]3 years ago
8 0

If you're using a graphing calculator, make sure you're in DEG mode (not RAD). There probably is no button for the secant function, but remember that secant is defined as the reciprocal of cosine:

\sec19^\circ=\dfrac1{\cos19^\circ}

So on your calculator, you'd type

1/cos(19)

and you should get about 1.0576.

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Graph the line with slope 3/4 passing through the point (3, - 3) .
Svetlanka [38]

Answer:

The line in slope-intercept form is y=3/4x-5.25.

Step-by-step explanation:

4 0
3 years ago
Angle A and B are supplementary. Angle a has a measure of 80. What is the measure of angle B? The measure of angle B is
ololo11 [35]
Well when two angles are supplementary they equal 180.
So if angle A is 80 degrees then that would mean that angle B equals 100 degrees. 


Hope This Helped :) 



4 0
3 years ago
Hello if someone could explain this question that would be great. Thanks.
guajiro [1.7K]

Answer:

Ok time to get math on

So this would be D

A non-filled in dot means < or > (depending where arrow is pointing)

A filled in dot means ≤ or ≥ (depending where arrow is pointing)

if an arrow points right, then it would be greater than, if arrow points left.. Then its less than

So the graph line is showing that it cannot be equal to AND it is lesser than so the only answer choice that would make the most sense is D

A is greater than which is not the answer

B is only equal to which is way off

C is less than but it is equal which is wrong

D is the only right answer

Hope this helps! :)

7 0
3 years ago
Given the proportion x/y = 2/5, what ratio completes the equivalent proportion: x/2= ?/?
prohojiy [21]
Cross multiply the original proportion

5x = 2y Divide by 2
5x/2 = y Now divide by 5
x/2 = y/ 5

So the answer is y/5

8 0
3 years ago
An expression is given -6m+9n-12
Natasha_Volkova [10]

Answer -3(2m-3n+4)

Step-by-step explanation:

6 0
2 years ago
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