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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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Can u help me ASAP!!!
Rom4ik [11]
Can be reduced to 1/3
8 0
3 years ago
Write an equation of the circle with center (-3, 4) and radius 6.
Sedaia [141]

Answer:

(x+3)²+(y-4)²=36.

Step-by-step explanation:

For this, we need to use the equation of a circle which is:

(x-h)²+(y-k)²= r²

Simply substitute the center values for 'h,k', and the radius for 'r'.

This will give you:

(x+3)²+(y-4)²=36.

3 0
3 years ago
If you know this pls help ):
Aleksandr-060686 [28]
From the right hand side, we will need to find a way to rewriting 3x²y in terms of cube roots.
We know that 27 is 3³, so if we were to rewrite it in terms of cube roots, we will need to multiply everything by itself two more twice. (ie we can rewrite it as ∛(3x²y)³)

Hence, we can say that it's:
 \sqrt[3]{162x^{c}y^{5}} = \sqrt[3]{(3x^{2}y)^{3}} * \sqrt[3]{6y^{d}}
= \sqrt[3]{162x^{6}y^{3+d}}

Hence, c = 6 and d = 2
4 0
3 years ago
HELP MEE PLEASEEEE BROO !!!
Anika [276]

Answer:

5

Step-by-step explanation:

Scale factor is just the amount every side is multiplied by.

7*5=35

6 0
3 years ago
Which matrix represents the system of equations below? <br> {-2x-7y=3<br> {7x-6y=12
bekas [8.4K]

Answer:

\left[\begin{array}{ccc}-2&-7\\7&-6\\\end{array}\right] \left[\begin{array}{ccc}x\\y\\\end{array}\right] = \left[\begin{array}{ccc}3\\12\\\end{array}\right]


3 0
2 years ago
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