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lina2011 [118]
3 years ago
10

Find sec 0is my answer correct? if not what's the right answer ​

Mathematics
1 answer:
Aleksandr [31]3 years ago
6 0

Answer:

Option(1)

Step-by-step explanation:

By applying secant rule in the given right triangle,

secθ = \frac{\text{Hypotenuse}}{\text{Adjacent side}}

From the picture attached,

Opposite side of angle θ = 5 units

By applying Pythagoras theorem,

(Hypotenuse)² = (leg 1)² + (leg 2)²

                        = (10)² + 5²

                        = 125

Hypotenuse = √125

                     = 5√5

Now substitute these values in the expression of secθ,

secθ = \frac{5\sqrt{5}}{5}

secθ = √5

Option (1) is the correct option.

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Answer:

"To the nearest year, it would be about 9 years"

Step-by-step explanation:

11c)

This is compound growth problem. It goes by the formula:

F=P(1+r)^t

Where

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P is the present (initial) amount

r is the rate of growth, in decimal

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Given,

P = 20,000

r = 8% = 8/100 = 0.08

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We need to find t:

F=P(1+r)^t\\40,000=20,000(1+0.08)^t\\2=(1.08)^t

To solve exponentials, we can take Natural Log (Ln) of both sides:

2=(1.08)^t\\Ln(2)=Ln((1.08)^t)

Using the rule shown below we can simplify and solve:

Ln(a^b)=bLn(a)

We can write:

Ln(2)=Ln((1.08)^t)\\Ln(2)=tLn(1.08)\\t=\frac{Ln(2)}{Ln(1.08)}\\t=9.0064

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Answer:

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Step-by-step explanation:

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Answer:

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Therefore, you will be able to use 9.72 lb (nearest hundredth).

Learn more about percentages here:

brainly.com/question/27998542

brainly.com/question/27975347

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