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2 years ago

A grocery store sells a bag of 6 oranges for $4.38. What is the unit cost?

Mathematics

2 answers:

Elenna [48]2 years ago

7 0

Answer:

$0.73

Step-by-step explanation:

Unit cost means per cost. Hence, divide 4.38 by 6 to find the cost of 1 orange.

4.38 ÷ 6

$=\frac{4.38}{6}$

= 0.73

Therefore, the unit cost is 0.73 dollars.

sweet-ann [11.9K]2 years ago

3 0

0,73$ somebody say me how to fill the blank after a short answer

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A motorboat travels 168 kilometers in 4 hours going upstream. It travels 280 kilometers going downstream in the same amount of t

Grace [21]

Answer:

The speed of the boat is 56 km/hr

The rate of the current is 14 km/hr

Step-by-step explanation:

We are given the following;

Distance traveled upstream = 168 km
Time taken to travel upstream = 4 hours
Distance traveled down stream = 280 km
Time taken down stream = 4 hours

We are required to determine the speed of the boat in still water and the speed of the current.

We are going to take;

Speed of the boat as = x km/hr

Rate of flow of current = y km/hr

We can determine the speed of the boat upstream;

Speed = Distance ÷ time

= 168 km ÷ 4 hours

= 42 km/hr

But, the speed upstream is given by (x - y) km/hr

Therefore; ( x-y) km/hr = 42 km/hr ......................... Eqn 1

Speed of the boat down stream

speed = 280 km ÷ 4 hours

= 70 km/hr

But, the speed downstream is given by (x+y) km/hr

Therefore, x+y km/hr = 70 km/hr ........................... Eqn 2

Solving Eqn 1 and Eqn 2 simultaneously;

x - y = 42

x + y = 70

Eliminating x

-2y = - 28

y = 14 km/hr

Solving for x,

x = 42 + y

= 42 + 14

= 56 km/hr

Therefore, the speed of the boat is 56 km/hr while the rate of the current is 14 km/hr

8 0

4 years ago

HELP PLEASE DUE TODAY:

VLD [36.1K]

Answer:

4/5

Step-by-step explanation:

you cancel out the 7 to get 4/5

4 0

3 years ago

In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts Co

lina2011 [118]

Answer: The expected frequency for the Business college is 31.5.

Step-by-step explanation:

Since we have given that

Number of students from ABC university = 300

Number of students from Liberal Arts college = 120

Number of students in Education college = 90

Number of students in Business college = 90

Probability of students in Business college = 35% = 0.35

Probability of students in Liberal arts college = 0.35

Probability of students in Education college = 0.30

So, Expected frequency for the Business College is given by

$0.35\times 90=31.5$

Hence, the expected frequency for the Business college is 31.5.

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4 years ago

Ramesh examined the pattern in the table.

nikdorinn [45]

Answer:

Step-by-step explanation:

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3 years ago

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(+8)-(-9)+(-16)-(-4)=

otez555 [7]

Answer:

Step-by-step explanation:

8−(−9)−16−(−4)

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