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Mademuasel [1]
2 years ago
8

Find x when y = 18, if y= 5 when x =4

Mathematics
2 answers:
Svetlanka [38]2 years ago
7 0
For example.,
Lets say
y
=
x
+
1
is equation 1.
So here, when
x
=
4
,
y
=
5
.
Also,
y
=
1.25
x
, is equation 2
Here also, when
x
=
4
,
y
= 5 ,
But these equations give different results when
y
= 18
For equation 1,
18
=
x
+
1

So,
x
=
17
For equation 2,
18
=
1.25
x
18
1.25
=
x
So,
x
=
14.4
Harman [31]2 years ago
6 0

Answer:

x=14.4

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given

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To determine:

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Using the formula

A\:=\:P\left(1\:+\:\frac{r}{n}\right)^{nt}

P\:=\frac{A}{\left(1\:+\:\frac{r}{n}\right)^{nt}}

substituting A = 1000000, r =  0.06, t = 45, and n = 12

P\:=\frac{1000000}{\left(1\:+\:\frac{0.06}{12}\right)^{12\cdot 45}}\:

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P = 67659.17 $

Therefore, the principal investment required to get  a total amount of $ 1,000,000.00  from compound interest at a rate of 6% per year  compounded 12 times per year  over 45 years  is $ 67,659.17.

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