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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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I kinda need some help as soon as possible I'll give you 20 points
Shtirlitz [24]

Answer:

x= 5

Step-by-step explanation:

20x=100

divide 100 by 20

x=5

8 0
2 years ago
Special air bags are used to protect scientific equipment when a rover lands on the surface of Mars. On Earth, the function appr
Tema [17]
The acceleration due to gravity on earth is g = 32.174 ft/s².
Therefore on Mars, 
g = (2/3)*32.174 = 21.45 ft/s²

When an object falls from rest over a distance h, the final velocity, v, obeys the equation
v² = 2gh
or
v = √(2gh)

Therefore, given h = 15 ft, the impact velocity on Mars is
v = √(2*21.45*15) = 25.367 ft/s
The closest given answer is 25.3 ft/s

Answer:  B) 25.3 ft/s
5 0
3 years ago
ALGEBRA determine the angle measure in the polygon.a. 30°, 150°, 30°, 150°b. 30°,30°,30°,30°c. 45°,225°,45°,255°D. 15°,75°,15°,7
Veseljchak [2.6K]

We know that consecutive angles in a parallelogram are supplementary, as they are consecutive interior angles between parallel lines.

Then, if we add the measure of x° and the measure of 5x° we get 180°. Then, we can write this expression and solve for x:

\begin{gathered} x+5x=180 \\ 6x=180 \\ x=\frac{180}{6} \\ x=30 \end{gathered}

Then, the angle x has a measure of 30° and the angle 5x has a measure of 5*30=150°.

Answer: a. 30°, 150°, 30°, 150°

7 0
1 year ago
What is the measure is B? And an explanation too but if not it’s fine!
Vitek1552 [10]

Answer:

A

Step-by-step explanation:

Two angles are complementary if their angles add up to 90

let x= angle b

35+x=90

x=55

4 0
2 years ago
Stephanie says of the graph of Y is equal to 3X +2 and why is it going to 3X -2 are parallel. Isabella says the grass are perpen
Andre45 [30]
Parallel because the Y moved 4 units down and the slope hasnt changed
5 0
3 years ago
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