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Vesnalui [34]
3 years ago
14

3× - 4y =65 when u =4

Mathematics
2 answers:
sergey [27]3 years ago
8 0
If Y=4 then X=27
hope this helps

vaieri [72.5K]3 years ago
3 0
3x - 16 = 65
+16 +16
3x = 81
3x/3 = 81/3
x = 81 ➗ 3
x= 27
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4x-2= -14
Finger [1]

Step-by-step explanation:

it is true though because

4 x -3 = -12

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4 0
3 years ago
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Answer:

It looks like your first account increases linearly,

unless you have a typo and meant:

f(x) = 10,125(1.83)^x

the second  

exponential and can be written as

g(r) = 9,638(1.95)^r

clearly g(r) has a higher percentage change since 1.95 > 1.83

a more interesting question might have been: When will the amount be the same?

10,125(1.83)^x = 9,638(1.95)^x

10,125(1.83)^x = 9,638(1.95)^x

(1.83)^x = .951901...(1.95)^x

take log of both sides and use log rules

xlog1.83 = log .951901... + log 1.95

x(log 1.83 - log 1.95) = log .951901...

x = .776..

check:

f(.776..) = 10,125(1.83)^.776.. = 1618410

g(.776..) = 9,638(1.95)^.776... = 16184.10

Step-by-step explanation:

3 0
3 years ago
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Answer:

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Step-by-step explanation:

Simplify the following:

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The factors of 20 that sum to 9 are 5 and 4. So, x^2 + 9 x + 20 = (x + 5) (x + 4):

Answer: |

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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