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2 years ago

What is 2/9 in the simplest form

Mathematics

1 answer:

Alexxandr [17]2 years ago

3 0

$\frac{2}{9} \ is \ already \ in \ simplest \ form \\$

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Let the function f(x) have the form f(x) = Acos(x + C). To produce a graph that matches the one shown below, what must the value

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Answer:b

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2 years ago

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Which expression is equivalent to cos 120°?

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Answer:

cos 120° = -1/2

Step-by-step explanation:

cos 120° = (adjacent side) / (hypotenuse.

Here the adjacent side (the side next to the central angle in this 30-60-90 triangle) is -1. Then the hypotenuse is 2 and the opposite side is √3.

Thus, cos 120° = -1/2

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3 years ago

The 2 ft side length of the scale drawing corresponds to a side length of 120 feet for the actual skate park. What is the scale

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Answer:

The scale factor is $\frac{1}{60}$

Step-by-step explanation:

we know that

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3 years ago

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The value V of a certain automobile that is t years old can be modeled by V(t) = 14,651(0.81). According to the model, when will

lakkis [162]

Answer:

a) The car will be worth $8000 after 2.9 years.

b) The car will be worth $6000 after 4.2 years.

c) The car will be worth $1000 after 12.7 years.

Step-by-step explanation:

The value of the car after t years is given by:

$V(t) = 14651(0.81)^{t}$

According to the model, when will the car be worth V(t)?

We have to find t for the given value of V(t). So

$V(t) = 14651(0.81)^{t}$

$(0.81)^t = \frac{V(t)}{14651}$

$\log{(0.81)^{t}} = \log{(\frac{V(t)}{14651})}$

$t\log{(0.81)} = \log{(\frac{V(t)}{14651})}$

$t = \frac{\log{(\frac{V(t)}{14651})}}{\log{0.81}}$

(a) $8000

V(t) = 8000

$t = \frac{\log{(\frac{8000}{14651})}}{\log{0.81}} = 2.9$

The car will be worth $8000 after 2.9 years.

(b) $6000

V(t) = 6000

$t = \frac{\log{(\frac{6000}{14651})}}{\log{0.81}} = 4.2$

The car will be worth $6000 after 4.2 years.

(c) $1000

V(t) = 1000

$t = \frac{\log{(\frac{1000}{14651})}}{\log{0.81}} = 12.7$

The car will be worth $1000 after 12.7 years.

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2 years ago

Help with this question, ASAP!!

andreev551 [17]

Answer: Your answer would be 6

Step-by-step explanation:

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3 years ago