Which equation represents a proportional relationship between the x and y values?

Mathematics

2 answers:

inn [45]2 years ago

8 0

Answer:

Step-by-step explanation:

noname [10]2 years ago

6 0

D So yea or A I think at least try D

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The value of the surface area (in square centimeters) of the cone is equal to the value of the volume (in cubic centimeters) of

Dovator [93]

Answer:

The height of the cone is 10.9 cm

Step-by-step explanation:

step 1

Find the height of the cone

Applying the Pythagoras Theorem

$12^{2}=5^{2}+h^{2}$

$144=25+h^{2}$

$h^{2}=144-25$

$h^{2}=119$

$h=10.9\ cm$

therefore

The height of the cone is 10.9 cm

6 0

2 years ago

What's the equation of the line that passes through the points (-7,0) and (-7,8)

serious [3.7K]

Answer: x = -7

Step-by-step explanation: use the slope formula and slope intercept form y = mx + b to find the equation

4 0

3 years ago

Read 2 more answers

Please help I found this one a bit confusing

Brums [2.3K]

Answer:

7.2

Step-by-step explanation:

To reach point D from point C, you need to add 4 to the x-value of point C and take away 6 from the y-value. These numbers are the sides of the hypothetical triangle.

The Pythagorean Theorem states that $a^2+b^2=c^2$ . If we plug the side lengths in for a and b, we get $4^2 + 6^2 = c^2$ . This can be simplified to $16+36=c^2$ , or $52 = c^2$ . If we root both sides, we find that c is equal to $\sqrt{52}$ , which is slightly more than 7, at around 7.2.