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Rainbow [258]
3 years ago
15

Which number is rational? −49√ −27√ −3√ -12√

Mathematics
1 answer:
raketka [301]3 years ago
4 0

      −49√

Step-by-step explanation:

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HELP :)
juin [17]

The domain and range of each given relation is:

1. Domain - {3, 4, 5, 6, 7}

Range - {5, 15, 20, 25, 30}

2. Domain - {-1}

Range - {2, 4, 6, 8, 10}

3. Domain - {-6, -5, -3, -2}

Range - {1, 0, -1, -2, -3}

<h3>What is the Domain and Range of a Relation?</h3>
  • A pair of values of a relation is represented as (x, y).
  • The domain of a relation consists of all x-values.
  • Range consist of all y-values.

Thus, the domain and range of each given relation is:

1. Domain - {3, 4, 5, 6, 7}

Range - {5, 15, 20, 25, 30}

2. Domain - {-1}

Range - {2, 4, 6, 8, 10}

3. Domain - {-6, -5, -3, -2}

Range - {1, 0, -1, -2, -3}

Learn more about relation on:

brainly.com/question/1579288

3 0
2 years ago
Given the function ƒ(x )=x^2 - 5, find ƒ(7).<br><br> 49 <br><br> 2 <br><br> 44
rosijanka [135]
Substitute the 7 in anywhere there is an x.
49-5=44
4 0
3 years ago
Read 2 more answers
Which of the following could be the measure of a pair of consecutive angles of a rhombus?
LiRa [457]
Your answer would be A. 122° and 58° because both angles have to equal 180°
4 0
3 years ago
Which equation could be used to find the height of the flagpole
Sauron [17]
X = height of pole (in meters)

With respect to the 50 degree angle, the side x is the opposite leg. It is the leg furthest from the reference angle. The hypotenuse is 5 meters. 

The trig function sine ties together the opposite and hypotenuse

sin(angle) = opposite/hypotenuse
sin(50) = x/5
5*sin(50) = x .... multiply both sides by 5
x = 5*sin(50)

------------------

Since x = 5*sin(50) isn't listed as an answer choice, let's try using cosine. We can't use it right away because we don't know the adjacent side. What we can do is change the reference angle. The missing angle of the triangle is 90-50 = 40 degrees. Let's make the 40 degree angle the reference angle

So x is now the adjacent side with respect to the 40 degree reference angle. The hypotenuse is always the longest side. The hypotenuse stays at 5.

cos(angle) = adjacent/hypotenuse
cos(40) = x/5
5*cos(40) = x
x = 5*cos(40)

This expression is listed. The answer is choice B

4 0
3 years ago
Howard and Jane are surveying their neighbors about the community garden. Their questions, written on the survey, are below:
Sloan [31]

A I think

Step-by-step explanation:

I'm not 100% sure though

8 0
3 years ago
Read 2 more answers
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