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solmaris [256]
3 years ago
14

Find the value of y for a given value of x, if y varies directly with x

Mathematics
1 answer:
Sophie [7]3 years ago
6 0
It is said that y varies directly to x which can be written as follows:

y = kx

where k is the constant of proportionality. 

To be able to solve the problem, we need to determine the value of k. We do as follows:

y = kx
-252 = k(84)
k = -3

y = -3x
y = -3(74)
y = -222

Hope this helps. Have a nice day.
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What relation is a function? - plz help -
Eduardwww [97]

Answer:

Step-by-step explanation:

A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y. That is, given an element x in X, there is only one element in Y that x is related to. ... This is a function since each element from X is related to only one element in Y.

7 0
3 years ago
What are the least common multiple of 12,24,16?
vekshin1

Least Common Multiple is :

     48  

Calculate Least Common Multiple for :

   12, 16 and 24

Factorize of the above numbers :

   12 = 22 • 3  

   16 = 24  

   24 = 23 • 3  

LCM = 24 • 3

Least Common Multiple is :

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Please mark brainliest again because someone deleted my answer


8 0
2 years ago
Eight year-old Alex is learning to ride a
cestrela7 [59]

Answer:

The age of the horse, in human years, when Alex was born can be determined by simply deducting the Current age of Alex from the Current age of the horse in human years.

Therefore, the age of the horse, in human years, when Alex was born was 42 years.

Step-by-step explanation:

Current age of Alex = 8

Current age of the horse in human years = 50

Since the age of the horse is already stated in human years, it implies there is no need to convert the age of the horse again.

Therefore, since Alex is a human who was born 8 years ago, the age of the horse, in human years, when Alex was born can be determined by simply deducting the Current age of Alex from the Current age of the horse in human years as follows:

The age of the horse, in human years, when Alex was born = 50 - 8 = 42

Therefore, the age of the horse, in human years, when Alex was born was 42 years.

This can be presented in a table as follows:

                               Age of Alex        Age of the Horse (in human years)

Eight years ago              0                                           42

Current age                    8                                           50

6 0
3 years ago
A circle is described by the equation x2 + y2 + 14x + 2y + 14 = 0. What are the coordinates for the center of the circle and the
Alona [7]
We are given the expression of the equation of a circle that is x2 + y2 + 14x + 2y + 14 = 0. Using ocmpleting the squares: 
x2 + y2 + 14x + 2y + 14 = 0(x+7)^2 + (y+1) ^2 = -14 + 49 + 1(x+7)^2 + (y+1) ^2 = 36 center thus is at (-7,-1) and the radius is equal ot square root of 36 equal to 6. 
7 0
3 years ago
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How to make 100 using 5 digits
madam [21]
10*5+10*5*1 I think this is the right way
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