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Jlenok [28]
3 years ago
5

What is the domain of the function f(x) 2/5 startroot x = ? all real numbers all real numbers less than 0 all real number less t

han or equal to 0 all real numbers greater than or equal to 0
Mathematics
2 answers:
victus00 [196]3 years ago
7 0

Answer:

D. all real numbers greater than or equal to 0

Step-by-step explanation:

Edge 2020

lina2011 [118]3 years ago
5 0

Answer:

\boxed{\sf all \ real \ numbers \ greater \ than \ or \ equal \ to \ 0}

Step-by-step explanation:

The domain of a function is all possible values for x.

\sf f(x)=\frac{2}{5} \sqrt{x}

There are restrictions on x.

The square root of a number can be undefined if that number is less than 0.

The value of x is all real numbers greater than or equal to 0.

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A tree 6m high casts a shadow 4m long. What angle do the sun's rays make with the ground?​
Usimov [2.4K]

Answer:

tan x° = 56.31°

Step-by-step explanation:

6/4= 1.5

hence x° = 56.31

7 0
3 years ago
What is the value of sin 0 given that (3-4) is a point on the terminal side of 0
Effectus [21]

Using trigonometric relations, we will see that:

sin(θ ) = -0.8

<h3>How to get the sine of the angle?</h3>

For any point (x, y), the angle between the positive x-axis and the ray that connects the origin with the point (x, y) is:

θ = Atan(y/x)

In this case, the point is (3, -4), then the angle is:

θ = Atan(-4/3) = -53.13°

Then the sine of theta is:

sin(θ  = -53.13°) = -0.8

If you want to learn more about trigonometric functions:

brainly.com/question/8120556

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8 0
2 years ago
PLEASE HELP: CONSUMER MATH
Katen [24]

Answer:

78.09

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
J /-2 + 7 = -12. what is the value of j<br>​
anyanavicka [17]

Answer:

<h2><u>j = 38</u></h2>

Explanation:

ʲ⁄₋₂ + 7 = -12

Subtract 7 From Both Sides

ʲ⁄₋₂ + 7 - 7 = -12 - 7

Simplify

ʲ⁄₋₂ = -19

Multiply Both Sides By -2

(-2) ʲ⁄₋₂ = -19 (-2)

<h2><u>j = 38</u></h2>
8 0
3 years ago
Read 2 more answers
Bobby will buy coffe and hot chocolate for his co-workers each cup of coffe costs $2.25 and each cup of hot chocolate costs $1.5
snow_lady [41]
He buys three cups of hot choclate cause 1.50*3= 4.50
and he buys 5 cups of coffe cause 2.25*5=11.25
and 11.25 + 4.50=15.75

3 0
3 years ago
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