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arsen [322]
4 years ago
7

-21

Mathematics
1 answer:
kondaur [170]4 years ago
5 0

Answer:

-21

Step-by-step explanation:

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The equation 2y = 8x represents a proportional relationship. What is the constant of proportionality?
Sphinxa [80]

Answer:

C) 4

Step-by-step explanation:

Given equation:

2y=8x

The above equation represents proportional relationship.

To find the constant of proportionality.

Solution:

<em>The equation representing proportional relationship is given by:</em>

<em>y=kx</em>

<em>where k represents constant of proportionality.</em>

So, in order to find the value of k for the given proportionality relationship, we will solve for y

We have:

2y=8x

Solving for y

Dividing both sides by 2.

\frac{2y}{2}=\frac{8x}{2}

y=4x

∴ k=4

Thus, the constant of proportionality = 4.

4 0
4 years ago
The ratio of triangle abc to the corresponding side of similar triangle def is 3:5. the perimeter of triangle def is 48in. what
Vlad1618 [11]
ABC : DEF
3: 5
3 x 9.6 : 5 x 9.6
28.8 : 48
Perimeter of triangle ABC = 28.8 inch
7 0
4 years ago
Find the 12th term for the arithmetic sequence:
Sav [38]
68 should be the answer... Sorry if I'm wrong
4 0
4 years ago
2/3 times what equals 24?
Vikki [24]

Answer:

2/3 x = 24

1/3 x = 12

x = 36

36

8 0
3 years ago
Read 2 more answers
Help explain for brainlist
Lina20 [59]

Answer:

C. 8

Step-by-step explanation:

\because \:  {s}^{3}  = 64 \\ s =  \sqrt[3]{64}  \\ s = 4 \\ side \: of \: cube = 4 \: units \\ when \: side \: is \: halved \\ new \: side \: length =  \frac{4}{2}  = 2 \\  \: new \: volume =  {2}^{3}  = 8 \: cubic \: units

7 0
3 years ago
Read 2 more answers
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