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Stels [109]
3 years ago
14

Evaluate the expression 2 4/5+1/2

Mathematics
2 answers:
goldenfox [79]3 years ago
7 0

Answer:

3 3/10

Explanation:

2 4/5 + 1/2           [change 2 4/5 to an improper fraction]

14/5 + 1/2             [make both fractions have a common denominator]

28/10 + 5/10         [add the numerators, leave the denominator the same]

33/10                    [change back into mixed number]

3 3/10

sukhopar [10]3 years ago
5 0

Answer:

3 3/10

Step-by-step explanation:

Step 1: Convert 2 4/5 to improper

2 4/5 = 14/5

Step 2: Rewrite

14/5 + 1/2

Step 3: Find common denominator

14/5(2/2) + 1/2(5/5)

28/10 + 5/10

Step 4: Add

33/10

Step 5: Simplify

3 3/10

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4 years ago
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In the year 2003, a company made $6.8 million in profit. For each consecutive year after that, their profit increased by 13%. Ho
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Answer:

$7.7 million

Step-by-step explanation:

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Now, finding the company´s profit in the year of 2006.

As we know there is 13% increase in profit.

∴ Profit increase= \frac{13}{100} \times 6.8= \$ 0.884

Next adding company´s profit with increase in profit to get profit in the year 2006.

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6 0
3 years ago
Find the value of x in the triangle shown below.
Alekssandra [29.7K]

Answer:

102 degrees.

Step-by-step explanation:

Because the 3.3's are congruent (the same), this triangle is isosceles.

A property of isosceles means that the two angles are congruent.

39+39= 78

This means that the last angle must be 180-78.

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3 years ago
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A gold mine has two elevators one for equipment and another for miners. The elevator for the miners descends 13 feet per second.
saveliy_v [14]

Answer:

The equipment elevator is positioned 481 feet closer and the miner equipment is positioned 342 feet closer relative to the surface. The equipment elevator is deeper.

Step-by-step explanation:

The rate that both elevators descend are the same according to the information given in the question.

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After another 19 seconds, the equipment elevator has descended for a total of 37 seconds which results in 481 feet and the miner elevator has descended for 19 seconds which gives us a descend of 342 feet.

So they are 481 and 342 feet closer relative to the surface and the equipment elevator is deeper since it has descended for a longer period of time.

I hope this answer helps.

8 0
3 years ago
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