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Svetlanka [38]
2 years ago
10

A bowl contains 55 mints. Customers eat 4 mints each hour. Which equation can be used to determine how many hours remain until 2

2 are mints left?
Mathematics
2 answers:
Nina [5.8K]2 years ago
5 0

Answer:

55-4x=22

Step-by-step explanation:

vivado [14]2 years ago
5 0

Answer:

55-4x=22

Step-by-step explanation:

We want to know how long it'll take until 22 mints are left, so we already have the "=22" part.

Customers are taking 4 mints per hour, so the number is subtracting. So now we have "-4=22".

The 4 is being taken from the 55 mints <u>per hour</u>, so 4 is multiplied by "x", so now the equation is "-4x=22".

The final equation would be

55-4x=22.

hope it helps! :3

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The function f(x) = 5One-fifth is reflected over the y-axis. Which equations represent the reflected function? Select two option
postnew [5]

Answer:

The equations that represent the reflected function are

f(x)=5(\frac{1}{5})^{-x}

f(x)=5(5)^{x}

Step-by-step explanation:

The correct question in the attached figure

we have the function

f(x)=5(\frac{1}{5})^{x}

we know that

A reflection across the y-axis interchanges positive x-values with negative x-values, swapping x and −x.

therefore

f(−x) = f(x).

The reflection of the given function across the y-axis will be equal to

(Remember interchanges positive x-values with negative  x-values)

f(x)=5(\frac{1}{5})^{-x}

An equivalent form will be

f(x)=5(\frac{1}{5})^{(-1)(x)}=5[(\frac{1}{5})^{-1})]^{x}=5(5)^{x}

therefore

The equations that represent the reflected function are

f(x)=5(\frac{1}{5})^{-x}

f(x)=5(5)^{x}

9 0
3 years ago
Read 2 more answers
Solve the equation using the Zero-Product Property (X-9)(x+7)=0
aleksandr82 [10.1K]
(x-9)(x+7)=0
x-9=0 or x+7=0
x=9 or x=-7

:)
4 0
3 years ago
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