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Sonja [21]
3 years ago
12

If x varies directly as d and d varies directly as e and c=4 when e=12, find c where e=3

Mathematics
1 answer:
Nata [24]3 years ago
3 0
 c = 1 is the answer when e = 3
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the sum of three number number in an artithmetic product is 21. if second number isreduced by 1 and third term is increased by 1
grin007 [14]

The three numbers will be 12, 7, 2 and 3, 7, 11.

<h3>What is a sequence?</h3>

A sequence is a list of elements that have been ordered in a sequential manner, such that members come either before or after.

Let the three consecutive numbers be a, a + d, and a + 2d

The sum of three numbers which are consecutive terms of an A.P. is 21.

a + a + d + a + 2d = 21

3(a + d) = 21

a = 7 - d

If the second number is reduced by 1 and the third term is increased by 1 we obtain the geometric product.

Then the number will be a, a + d − 1, a + 2d + 1. Then we have

\rm \dfrac{a + d - 1}{a} = \dfrac{a + 2d + 1}{a + d - 1}

On simplifying, we have

36 = a (8 + d)

a² - 15a + 36 = 0

On factorizing, the value of a will be

a² - 15a + 36 = 0

a² - 12a  - 3a + 36 = 0

(a - 12)(a - 3) = 0

a = 3, 12

If a = 12, then the value of d will be

d = 7 - 12

d = -5

If a = 3, then the value of d will be

d = 7 - 3

d = 4

Then the three numbers will be 12, 7, 2 and 3, 7, 11.

More about the sequence link is given below.

brainly.com/question/21961097

#SPJ1

7 0
2 years ago
Order the numbers from greatest to least 39,008; 39,801; 37,999
bearhunter [10]
37,999. 39,008,. 39,801
6 0
3 years ago
Read 2 more answers
The equation of the graphed line in point-slope form is A , and its equation in slope-intercept form is B .
mojhsa [17]
The correct letter is B I think
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3 years ago
Write the ratio of height of the building to the number of floors.​ Then, find the unit​ rate, and explain what it means in this
Serga [27]

Answer:

I love a building that's nothing feet high

Step-by-step explanation:

Can that building be my new home?

5 0
3 years ago
Fill in the question mark ?5
timurjin [86]
I don't really understand your question , can you rephrase it ?

Do you mean ?5x7 = 455 ?
because then it would be :
455 divided by 7 which equals 65  :) 
7 0
3 years ago
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