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ella [17]
2 years ago
6

The reciprocal of the cosine is the ___.

Mathematics
2 answers:
Mariulka [41]2 years ago
7 0

Answer:

The correct answer is A

Step-by-step explanation:

The secant is the distance from the center to the vertical tangent in a certain direction.

Elan Coil [88]2 years ago
3 0

Answer:

A. secant

Step-by-step explanation:

For trigonometric ratios, we know that cosine is \frac{adjacent}{hypotenuse}. The reciprocal of something is just flipped over. So the reciprocal of cosine is \frac{hypotenuse}{adjacent}, which is the ratio for secant.

Another way we can remember this is       sec x = \frac{1}{cos x} \\\\cos x = \frac{1}{sec x}

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What is the surface area of the box if it is scaled up by a factor of 10?
Elodia [21]

Answer:

6l², where l is the length of one side.

If the side is increased 10 times,

6(10l)²

=100 x6l²

The surface area increases 100 times. Thus, the new surface area is

272 * 100

= 27,200 sq in

Step-by-step explanation:

3 0
2 years ago
Which of the ordered pairs below satisfy the following equation? Check all that apply. y = 7x A. (84, 12) B. (42, 7) C. (12, 84)
m_a_m_a [10]
So you have many ordered pairs here that look like (x , y) So you take each one, for example (84,12) and plug it into that equation you have <span>y=7x</span> (84 , 12) means (x = 84, y = 12 ) so we plug those in <span>12=7(84)</span><span> Does that come out true? if it doe...we have a solution..if not...obviously not :)</span>
5 0
2 years ago
Lf 60% of a number is 90, what is it number? a)30 b)54 c)150 d)180​
Ede4ka [16]
Hogshodoydyioyyxxgjgxxigxxgigxix
6 0
2 years ago
Kwan's parents bought a home for $50,000 in 1997 just as real estate values in the area started to rise quickly. Each year, thei
poizon [28]

A. First let us start with the linear model.

The equation is in the form of y = m x + b

Calculating for the slope m:

m = (309,587 – 50,000) / (2007 – 1997)

m = 25,958.7

 

Subsituting:

y = 25,958.7 x + b

Taking x = 1997, y = 50,000. Solve for b:

50,000 = 25,958.7 (1997) + b

b = -51,789,523.9

 

The complete equation is therefore:

y = 25,958.7 x - 51,789,523.9

 

 

B. The exponential model has the following form:

y = a b^x

where a and b are constants

 

Taking x1= 1997, y1 = 50,000; x2 = 2007, y2 = 309,587

50,000 = a b^1997

309,587 = a b^2007

 

Combining in terms of a:

50,000 / b^1997 = 309,587 / b^2007

b^2007 / b^1997 = 309,587 / 50,000

b^10 = 6.19174

b = 1.2

 

Substituting:

y = a 1.2^x

 

Solving for a:

50,000 = a 1.2^1997

a = 3.75 x 10^-154

 

The complete equation is:

y = 3.75 x 10^-154 * 1.2^x

3 0
3 years ago
The diameter of a small gear is 16 cm. This is 2.5 cm more than 1/4 of the diameter of a larger gear. What is the diameterof the
Alex787 [66]
16 cm - 2.5 cm = 13.5 cm, which is 1/4 of the diameter of the large gear. Take 13.5 cm * 4, and you have the diameter of the large gear, which is 54 cm.
6 0
3 years ago
Read 2 more answers
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