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alex41 [277]
3 years ago
9

I need help with this question ?

Mathematics
1 answer:
algol133 years ago
3 0

All the expressions try to capture the initial value 4.05 and the common ratio 1/3.

At n=1 we need a_1 = 4.05; since stuff to the zeroth power is one, that's the first choice.

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Solve the system of equations using substitution y=x-1 and y=-2x+5
pav-90 [236]
Since the two equations equal y, set them equal to each other.

x-1=-2x+5

From there, solve for x.

First get x on one side, by using the addition property of equality.

x-1=-2x+5
3x-1=5

Isolate x by adding 1.
3x=6

Lastly get x all by itself by dividing each side by 3.
x=2

You can now substitute your x-value, 2, into one of the equations (or both, if you wish; either one will result in the same answer.)

y=x-1
y=2-1
y=1

OR

y=-2x+5
y=-2(2)+5
y=-4+5
y=1

Final answer:
x=2 and y=1

Any questions or anything you would like me to clarify, feel free to ask :)
7 0
3 years ago
Craig likes to collect video records last year he had 10 records his collection now has 12 records what is the percent increase
algol [13]
I believe the answer is a 20% increase because 12-10 equals 2. there is a 2 record difference so 2 out of 10 is 1/5 of the whole, but you have to convert the numbers and 1/5 of the whole of 100 is 20. sorry if that didn’t make much sense
6 0
3 years ago
Read 2 more answers
What number is the whole number 7, 1/3 of?
kirza4 [7]

Answer:

7

Step-by-step explanation:

7 is the whole number and 1/3 is a fraction

4 0
3 years ago
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Scrat [10]

u have to multiply both of the numbers

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3 years ago
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nalin [4]

Answer:

Step-by-step explanation:

Three I think.

Donald x  x

X   X   Donald

X Donald X

6 0
2 years ago
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