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joja [24]
3 years ago
13

What is the constant of proportionality?

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
3 0

Answer: The constant of proportionality is 3.25.

Step-by-step explanation: Divide 6.5 by 2, 9.75 by 3, or 13 by 4 and every time you will get an answer of 3.25.

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The value of y is directly proportional to the value of x. If y = 180 when x = 50, the value of y when x = 25?​
Triss [41]

Answer: y = 90

Step-by-step explanation:

Since x and y are proportional, when x =25 (which is 50 divided by 2), y would be 90 since 90 is 180 divided by 2.

8 0
3 years ago
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Ms. Allen makes beaded purses. She used 4,725 beads to make 3 identical purses (they are exactly the same and use the same numbe
solong [7]
4,725 divided by 3 equals 1,575
5 0
3 years ago
What is the value of the function y= 3x - 1 when x=-1?
lora16 [44]

Answer:

-4

Step-by-step explanation:

y=3x - 1                      x= -1

y = 3(-1) -1

y = -3 -1

y= -4

5 0
2 years ago
What is the volume of the sphere?
nataly862011 [7]

The volume of the sphere in the given image, to the nearest tenth, is: 2,143.6 cm³.

<h3>How to calculate the Volume of a Sphere?</h3>

A sphere is a solid shape that is round. The volume of a sphere is the amount of space it contains, which is calculated by the formula expressed as:

Volume = 4/3 × π × r³, where r is the radius of the sphere.

The parameter of the sphere is given below:

Radius of the sphere (r) = 8 cm.

π = 3.14

Substitute r = 8 into 4/3 × π × r³ to find the volume of the sphere

Volume of the sphere = 4/3 × π × r³ = 4/3 × 3.14 × 8³

Volume of the sphere = 4/3 × 3.14 × 512

Volume of the sphere = (4 × 3.14 × 512)/3

Volume of the sphere = (6,430.72)/3

Volume of the sphere = 2,143.6 cm³

In summary, the volume of the sphere in the given image, to the nearest tenth, is: 2,143.6 cm³.

Learn more about the volume of sphere on:

brainly.com/question/22807400

#SPJ1

5 0
2 years ago
a u.s dollar bill remains in circulation about 1 1/4 years. A u.s coin is in circulation about 22 1/2 times longer. About how lo
Nesterboy [21]

Answer:

28.125

Step-by-step explanation:

22.5×1.25=28.125

8 0
2 years ago
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