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Gemiola [76]
2 years ago
6

Give the exact value of the trigonometric function.

Mathematics
1 answer:
zimovet [89]2 years ago
8 0

Answer:

D) undefined

Step-by-step explanation:

we would like to simplify the following

\displaystyle  \sec \left( \frac{\pi}{2}  \right)

remember that, sec is the recipocal of cos

so,

\displaystyle   \frac{1}{\cos \left( \frac{\pi}{2}  \right) }

by unit circle we acquire

\displaystyle   \frac{1}{0}

remember that, dividing by 0 is undefined

hence,

\displaystyle  \sec \left( \frac{\pi}{2}  \right)  =\rm undefined

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The water level in ricky lake changes at an average of -7/48 inch for 1 year.Based on the rate above how much will the water lev
bearhunter [10]

we are given

The water level in Ricky lake changes at an average of -7/48 inch for 1 year

It means that

In 1 year , the water level changes at \frac{-7}{48} inches

and we have to find the water level change after 5 years

so, we can multiply both sides by 5

In 5*1 year , the water level changes at 5*\frac{-7}{48} inches

In 5 years , the water level changes at \frac{-35}{48} inches

Hence,

the water level change after 5 years is \frac{-35}{48} inches........Answer

3 0
3 years ago
Classify each polynomial by degree and number of terms. 1. Quartic monomial v 5x? - 7x + 9 2. Cubic binomial 2x3 + 3 < 3. Qua
ElenaW [278]

The degree of a polynomial is categorized by its highest power of its leading variable.

<h3>Degree and number of terms of a polynomial</h3>

Given the following polynomial functions, we are to classify them based on their degrees and the number of terms

For the polynomial function 5x^4 - 7x + 9

The degree is 4 being quartic and there are three terms in the expression

For the polynomial  2x3 + 3 < 3, the degree is 3 (cubic) with three terms in the expression.

For a Quintic quadnomial​, the degree of the polynomial is 5.

Learn more on polynomials here: brainly.com/question/4142886

4 0
2 years ago
Jose purchased 4/9 pound of peanut and 7/11 pounds of raisins find the total weight of his purchase
azamat

Answer:

The total weight of his purchase is 1.08 pounds

Step-by-step explanation:

To find the total weight of his purchase, we sum the weight of each of his purchases.

He purchased:

4/9 pound of peanut.

7/11 pounds of raisins

Total:

The least common multiple between 9 and 11 is 99.

Then

\frac{4}{9} + \frac{7}{11} = \frac{11*4 + 9*7}{99} = \frac{107}{99} = 1.08

The total weight of his purchase is 1.08 pounds

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3 years ago
Which equations are equivalent to the expression below ? Check all that apply
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It looks like selections A and C are identical. (Neither is equivalent to 9^x.)

If B is supposed to be 3^(2x), it is equivalent to F and D and to the given expression.

Of course, D evaluates to 9^x, so is equivalent.

Choice E evaluates to 3^(x+2), which is not equivalent to 3^(2x).

The applicable choices appear to be

... B. 3^(2x)

... D. (3*3)^x

... F. (3^x)*(3^x)

7 0
3 years ago
Do this to get brainiest!
IceJOKER [234]

Answer: 8. 3^4+n^4, 9. 7^3+m^4, and 10. s+2t^3.

Step-by-step explanation:

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3 years ago
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