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valkas [14]
3 years ago
12

What is the constant of proportionality?

Mathematics
2 answers:
Maksim231197 [3]3 years ago
5 0
Yes, y=5x is a direct variation and the constant of variation is 5 .
Rom4ik [11]3 years ago
3 0
This might be wrong but probably y= 0.5x ?
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Agata [3.3K]
A= π r2 and v=3.14d

---Volume(v=3.14d):

3.14(15) equals 47.1

47.1 rounds to 47

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4 0
4 years ago
Two angles are complementary. One angle's measure is 3 more than 9
Basile [38]

Answer:

The measure of one angle is 81.3° and the other angle is 8.7°.

Step-by-step explanation:

We are given that two angles are complementary. One angle's measure is 3 more than 9  times the other angle.

Let the measure of one angle be 'x' and the measure of other angle be 'y'.

So, according to the question;

  • <u>The first condition</u> states that two angles are complementary, this means that the sum of both angles must be equal to 90°, i.e;

                                 x + y = 90°

                                 x = 90° - y  ---------------- [equation 1]

  • The second condition states that One angle's measure is 3 more than 9  times the other angle, i.e;

                             x = 3 + 9y ------------ [equation 2]

Now, both the equations we get;

90 - y = 3 + 9y

9y + y = 90 - 3

10y = 87

y=\frac{87}{10} = 8.7°

Now, putting the value of y in equation 1 we get;

                x = 90° - y

                x = 90° - 8.7° = 81.3°

Hence, the measure of one angle is 81.3° and the other angle is 8.7°.

5 0
3 years ago
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