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vladimir2022 [97]
3 years ago
12

How do you know when the solution to a system of equation is a precise answer and when it is an approximate answer?

Mathematics
1 answer:
olga55 [171]3 years ago
3 0

Answer:

Well once you get a value for x and y and you plug it back to the equation both of the equation should be equal if the answer is wrong they will not be equal

Step-by-step explanation:

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Lacy went to the fair. She paid $5 for the entrance fee. Each ride ticket cost $0.25. Lacy spent $12.50 at the fair. Which equat
Airida [17]

Answer:

$0.25r + $5 = $12.50

Step-by-step explanation:

r represents the amount of rides Lacy went on during the day. If you do the problem in the correct order, you will get the answer

Step 1)

Subtract 5 from both sides

$0.25r + 5 (-5) = 12.50 (-5)

Step 2)

Divide by 0.25

0.25r (Divided by 0.25) = 7.50 (Divided by 0.25)

Step 3)

Answer

r = 30 rides

4 0
3 years ago
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2 years ago
The function f(x) is shown in the graph
user100 [1]

Answer:

the function is an exponential funtion.

Step-by-step explanation:

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Andreas93 [3]

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-11n

Step-by-step explanation:

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Digiron [165]

Answer (if it is possible check the answer in other sources):

1: y=7x+5.553;

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Step-by-step explanation:

all the details can be found in the attachment (the answer is marked with colour).

1) to determine f'(x);

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