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solmaris [256]
2 years ago
10

Which of the following relations has a range of {-3}?

Mathematics
1 answer:
vesna_86 [32]2 years ago
3 0
The range is A. {(1, -3), (6,-3), (-3, -3)}
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Another set of help? i need a hand lol
Zepler [3.9K]

Answer: C=14π≈43.98 ft

Step-by-step explanation:

To find the circumference of the circle, we use the equation C=2πr or C=πd. These 2 equations are equivalent because 2r is the same as d, diameter. In this case, we can use C=πd because the problems already gives us the diameter.

C=πd

C=14π≈43.98 ft

I hope this helps!

5 0
3 years ago
Carla was asked to draw all the lines of symmetry for a regular pentagon. She drew
Elena L [17]

Answer:

Simple, Her Pentagon is not straight

Step-by-step explanation:

Carla's Pentagon is not straight. Her symmetry line is off scale. Simply fix the Line on the pentagon And it will be correct.

Hope this helps ^

7 0
2 years ago
Find the constant of proportional (r) in the equation y = rx​
RUDIKE [14]

Answer:

Constant of proportionality,  

Step-by-step explanation:

Constant of proportionality states that the constant value of the ratio of two proportional quantities x and y,

it is written in the form of y = kx, where k is the constant of proportionality.

Given the equation:                         .....[1]

where r is the constant of proportionality.

From the table we consider

x = 14 and y = 1.4

Substitute these given values in [1] to solve for r;

Divide both sides by 14 we get;

therefore, the Constant of proportionality,  

4 0
2 years ago
Word Choices: fusion - heating - sublimation - chemical - physical - pressure - boiling
lys-0071 [83]

Answer:

hey, hope this helps :)

Step-by-step explanation:

1. Matter changes state because of physical pressure and temperature;  properties do not change.

heating gives molecules energy that causes them to vibrate faster, breaking their bonds and melting.

3. Heat energy that helps break the molecular bonds of a solid is heat of fusion

4. The temperature at which a liquid turns into a gas is the boiling point.

5. sublimation is when a solid turns straight into a gas.

4 0
2 years ago
Which of the following equations will produce the graph shown below?
melisa1 [442]
The graph is a circle, centered at the origin, with radius=4.

We know that we can write the equation of a circle with radius r and center (a,b) as :

                      (x-a)^2+(y-b)^2=r^2.

Thus, substituting (a, b) with (0, 0) and r with 4, we have:

                      x^2+y^2=16.

The solutions of this equation are all the points forming the circle shown in the picture. The solutions of this equation are still the same even if we multiply both sides of the equation by 2, because rewriting the equation as:

x^2+y^2=16\\\\x^2+y^2-16=0\\\\2(x^2+y^2-16)=0, 

we would still have the same roots.

Thus, the equation of the circle can be written as :

                                    2x^2+2y^2=32.


Answer: B

5 0
3 years ago
Read 2 more answers
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