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victus00 [196]
4 years ago
14

The equation of the piecewise function f(x) is below. What is the value of f(3)

Mathematics
1 answer:
Anna35 [415]4 years ago
8 0

Answer:

5.

Step-by-step explanation:

f(3) means the value of f(x) when x = 3.

So we want f(x) when x ≥ 0.

That is f(x) = x + 2, therefore f(3) = 3 + 2 = 5.

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Without solving, tell what is true of the product of 3 and 2/3 =?
Kisachek [45]

Answer:

3 is a whole number while 2/3 is less than 3

Step-by-step explanation:

5 0
3 years ago
What is the value of h for the parallelogram?
anastassius [24]

Answer:

  9.6 units

Step-by-step explanation:

The area of the parallelogram is the product of the base length and distance between parallel sides, either way you figure it.

  16 × 6 = area = 10 × h

  96 = 10h

  h = 96/10 = 9.6 . . . . units

3 0
3 years ago
24. Which of the following trigonometric expressions is NOT equivalent?
vampirchik [111]
Tan t /(sec t -cos t)= sin t/(cos t *(1/cos t -cos t))
=sin t/(cos t*(1-cos ²t)/cos t))
=sin t/sin² t=1/sin t [or=cosec t.]
8 0
3 years ago
Need help, due ASAP. Please help.
omeli [17]

Answer:

a = 36.37 cm

c = 18.19 cm

Step-by-step explanation:

to find a, use tan

⇒ tan = \frac{opposite}{adjacent}

⇒ tan 60 = \frac{21}{a}

tan of 60 is 1.732

⇒ 1.732 = \frac{21}{a}

multiply 21 on both sides

⇒ 1.732 x 21 = \frac{21}{a}x 21

⇒ 36.37 = a

to find c, use sine

⇒ sine = \frac{oppsosite}{hypotenuse}

⇒ sine 60 = \frac{21}{c}

sine of 60 is 0.866

⇒ 0.866 = \frac{21}{c}

muliply 21 on both sides

⇒ 0.866 x 21 = \frac{21}{c} x 21

⇒ 18.19 = c

4 0
3 years ago
, Ohio in 1990, the number of residents has decreased by 5% every 5 years. In 1990, there were 182,000 residents in Dayton, Ohio
Sphinxa [80]

Answer:

133,787 residents

Step-by-step explanation:

First thing we need to do here is calculate the number of 5 years between 2020 and 1990

That would be 2020-1990 = 30/5 = 6

Now to estimate the present population, we will be needing an exponential equation

P = I(1-r)^n

where P is the present population at 2020

I is the population at 1990 which is 182,000

r is the percentage decrease every 5 years which is 5% or simply 5/100 = 0.05

n is the number of 5 years between 1990 and 2020 which is 6

Plugging all these values we have;

P = 182000(1-0.05)^6

P = 182000(0.95)^6

P = 133,786.724

To the nearest whole number, P = 133,787 residents

3 0
3 years ago
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