2 years ago

Please help with question

Mathematics

1 answer:

AysviL [449]2 years ago

4 0

Answer: i don't I'm sorry

Step-by-step explanation:

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four friends equally shared the cost of supplies for a picnic. the supplies cost $12.40. how much did each pay?

Airida [17]

Divide by 4
they each payed $3.10

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3 years ago

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Verizon [17]

Answer:

$f^{-1}(x)=x^2+1$

Step-by-step explanation:

The inverse of a function is when the x and y are swapped. So the first step is to write f(x) as y and then swap the x and y

Original Equation:

$f(x)=\sqrt{x-1}\\$

write f(x) as y (since that's what it represents)

$y=\sqrt{x-1}$

Swap x and y

$x=\sqrt{y-1}$

Square both sides

$x^2=y-1$

Add 1 to both sides

$x^2+1=y$

So this gives you the equation:

$f^{-1}(x)=x^2+1$

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1 year ago

Help me solve this problem

SIZIF [17.4K]

Step-by-step explanation:

i don't get the question

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2 years ago

help what is the perimeter measured in centimeters of the rectangle pictured below do not include units in your answer

Tcecarenko [31]

Answer:

just x both together

Step-by-step explanation:

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2 years ago

Miguel runs 4 miles in 30 minutes. At the same rate, how many minutes would he take to run 10 miles?

Andrei [34K]

Answer:

Step-by-step explanation:

Use a proportion.

4 miles is to 30 minutes as 10 miles is x minutes.

4/30 = 10/x

2/15 = 10/x

2x = 15 * 10

2x = 150

x = 75

Answer: 75

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2 years ago

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Please help with question ​

Please help with question