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tangare [24]
3 years ago
15

A team of storm enthusiasts collected data to show the relationship between the time between seeing lightning and then hearing t

hunder, and how far away you are from the lightning. The results are in the graph below.
What is the constant of proportionality expressed as miles per second?
Answer: The constant of proportionality is _____________miles per second.

Mathematics
1 answer:
never [62]3 years ago
3 0

Answer:

Proportionality constant = \frac{1}{5}

Step-by-step explanation:

From the graph attached,

Data set representing the relation between seeing lightning and the hearing thunder is,

{(15, 3), (25, 5), (35, 7), (45, 9)}

Since, Distance from lightening (d) ∝ Time between lightening and thunder (t)

d = kt

Here k = proportionality constant

k = \frac{d}{t}

From the data set one point is (15, 3).

k = \frac{3}{15}

k = \frac{1}{5} miles per second

Therefore, proportionality constant is \frac{1}{5} miles per second.

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The Lewis family is building a circular swimming pool if the radius of the pool is 9 feet what is it’s circumference use TT =3.1
zzz [600]

Answer:

C =56.52 ft

Step-by-step explanation:

The circumference is found by

C = 2*pi*r  where r is the radius

C = 2*3.14 * 9

C =56.52 ft

5 0
3 years ago
Luna mixes 3/4 cup of orange juice with 3/8 cup of cranberry juice. She gives 5/8 cup of juice to mags. How much is left in luna
Debora [2.8K]

Answer:

The answer is 1/2

Step-by-step explanation:

First you must the least common denominator so that you can add the two fractions. The least common denominator between 3/4 and 3/8, would be 8.

To get 3/4 to the least common denominator, you have to multiply top and bottom by 2. The product of this will be 6/8.

Next you add the two fractions: 6/8 + 3/8 = 9/8

Simplify your improper fraction to get on and 1 eighths or in number form 1 1/8

After this you must subtract how much she gave away so you can use your improper fraction to make it easier and subtract five eighths from nine eighths: 9/8 - 5/8 = 4/8

So, Luna has four eighths of a glass left but first you must simplify your answer. both 4 and 8 divide by 4 to get 1/2.

So Luna's glass only has 1/2 in the cup.

Make sure you be optimistic and see it as half full, instead of the pessimistic view of half empty. Remember to stay positive and share good vibes. Hope this answer helps you.

4 0
3 years ago
PLEASE HELP ASAP!! RATIONAL EXPRESSION MULTIPLE CHOICE QUESTION!! PLS
Solnce55 [7]
The answer is: B

Hope this helped!
4 0
3 years ago
Please help me with my math please?
AleksandrR [38]

Answer:

y = y coordinate

m = slope

x = x coordinate

b = y intercept

4 0
2 years ago
Read 2 more answers
What is the volume of a cylinder? Give an informal argument for the formula.
N76 [4]
The formula to find the volume of a cylinder is 3.14 • r squared • h
3 0
3 years ago
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