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3 years ago

What are the domain and range of the function below?

Mathematics

1 answer:

vagabundo [1.1K]3 years ago

4 0

Answer:

domain = 0 < x < infinity / range = y < 4

Step-by-step explanation:

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Write the fraction 2/5 as an equivalent with the given denominator 25

OlgaM077 [116]

Answer:

10/25

Step-by-step explanation:

2/5 = x/25

We need to multiply the bottom by 5 to get to 25

5*5 = 25

What we to the bottom, we do the the top

2/5 * 5/5 = 10/25

6 0

3 years ago

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{6} E { {6}, {14} } true or false

inysia [295]

Answer: true and stop deleting my answers im right im in collage

and I dont need to explain again when i already did so STOP and trust me

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3 years ago

A lifeguard is in a look out chair and sees a person in distress. The eye level of the lifeguard is 15 feet above the ground. Th

faltersainse [42]

Answer:

Horizontal distance between lifeguard and the person is 22 feet.

Step-by-step explanation:

Given: A lifeguard sees a person in distress.The eye level of the lifeguard is 15 feet above the ground. Angle of depression is 34°.

To find: Horizontal distance between lifeguard and the person.

Solution : If we draw a triangle then tan∅ = $\frac{height}{base}$

Here base is the horizontal distance.

Now we put the values in the formula.

tan 34° = $\frac{15}{base}$

Or Base = $\frac{15}{tan34}$

= $\frac{15}{0.675} = 22.22 feet$

So the answer is 22 feet.

7 0

3 years ago

Find the equation of the axis of symmetry.<br>equation of axis of symmetry:

sleet_krkn [62]

9514 1404 393

Answer:

x = -4

Step-by-step explanation:

The axis of symmetry is the vertical line through the vertex. The vertex is the turning point, or minimum, of the function. It is (x, y) = (-4, 0). The x-coordinate there is -4, so the equation of the axis of symmetry is ...

x = -4

5 0

3 years ago

Find the cosine of ∠J.

Luden [163]

Answer:

$\cos = \frac{base}{hypotenuse} = \\ \cos(j) = \frac{ \sqrt{29} }{ \sqrt{94} } = \sqrt{ \frac{29}{94} } \\ answer = \sqrt{ \frac{29}{94} }$

7 0

3 years ago