Kenya solved the equation below. -6

Mathematics

2 answers:

DedPeter [7]4 years ago

8 0

Answer:

Kenya’s equation has infinitely many solutions

Step-by-step explanation:

Ddd

Molodets [167]4 years ago

3 0

Answer:

Kenya’s equation has infinitely many solutions

Step-by-step explanation:

we have

$-6(x-2)+3x=-3(x+3)+21$

Solve for x

Eliminate the parenthesis

$-6x+12+3x=-3x-9+21$

Group terms that contain the same variable

$-6x+3x+3x=-9+21-12$

Combine like terms

$0=0$ ---> is true for any value of x

therefore

Kenya’s equation has infinitely many solutions

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five brothers of 4, 9, 11, 13 and 16 years respectively, receive an inheritance of 1,500,000, the will stipulated that that amou

Kitty [74]

9514 1404 393

Answer:

Youngest to oldest:

160,406.86
246,805.83
293,230.01
348,386.58
451,170.72

Step-by-step explanation:

At 9% interest per year, the present value of 1 at age 20 is ...

p(a) = 1.09^(a-20)

Adding the present values for the different ages, we get a total of about 2.35528984846. Dividing the inheritance by that amount gives the multiplier for each of the present value numbers. The result is the list of shares shown above. At age 20, each brother will inherit about 636,864.29.

Additional comment

This is the sort of question that suggests the use of a graphing calculator or spreadsheet for doing the tedious number crunching.

(We assume the bank pays 9% per year, rather than charges 9% per year.)