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Svetlanka [38]
3 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]3 years ago
5 0

Answer:

55-4x=22

Step-by-step explanation:

vivado [14]3 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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If f(x) is a linear function, f(−2)=4, and f(1)=−1, find an equation for f(x)
juin [17]

Answer:

y = -\frac{5}{3}x+\frac{2}{3}

Step-by-step explanation:

Given

f(-2) = 4

f(1) = -1

Required

The equation of the function

The given parameters means that:

(x_1,y_1) = (-2,4)

(x_2,y_2) = (1,-1)

Calculate the slope (m)

m = \frac{y_2 -y_1}{x_2 -x_1}

m = \frac{-1-4}{1--2}

m = \frac{-5}{3}

The equation is then calculated using:

y = m(x - x_1) + y_1

This gives:

y =\frac{-5}{3}(x--2)+4

y =\frac{-5}{3}(x+2)+4

Open bracket

y = -\frac{5}{3}x-\frac{10}{3}+4

Take LCM

y = -\frac{5}{3}x+\frac{-10+12}{3}

y = -\frac{5}{3}x+\frac{2}{3}

6 0
3 years ago
Round 8265 to the nearest ten?
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8270



Step by step explanation:
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3 years ago
490 cans fit into 7 bags. How many cans can fit in each bag?<br> (1 Point)<br> Enter your answer
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Maksim231197 [3]

Answer:

12.5 m

Step-by-step explanation:

recall that 1 km = 1000 m

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also recall that 1 hour = 60 x 60 = 3600 s

hence 90,000 m/hr is equivalent to 90,000 m/hr x (1/3600) hr/s = 25 m/s.

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saul85 [17]

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3 years ago
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