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sveticcg [70]
3 years ago
6

What is 8 1/5 - 3 2/4

Mathematics
2 answers:
kiruha [24]3 years ago
5 0
The answers to your question is 4 1\5. Hope that answered it!
Fantom [35]3 years ago
4 0
8 1/5 - 3 2/4 first you have to make them into improper fractions so that would be 41/5 - 14/4
and then they both have the common denominator of 20 so you change both denominators to 20
so that would be 164/20 - 70/20 which would be 94/20
which simplified is 4 7/10
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What is the answer to the equation -0.5x+1.75x<-1.75+2.75x
PIT_PIT [208]
X>7/6
Combine like terms
Subtract 2.75x from both sides
Combine like terms
Divide -1.5 from both sides

8 0
3 years ago
Please help! Question above
LiRa [457]

Answer:

4

Step-by-step explanation:I just took the quiz

5 0
3 years ago
If a wheelchair-marathon racer moving at 13.1 miles per hour expends energy at a rate of 645 calories per hour, how much energy
Anna71 [15]

Answer:

1290 calories

Step-by-step explanation:

Given: The racer moves at 13.1 miles per hour expends energy at a rate of 645 calories per hour.

To find: Energy in calories, required to complete a marathon race 26.2 miles at this pace.

Solution: We have,

The racer moves at 13.1 miles per hour.

The racer expends energy at a rate of 645 calories per hour.

So, energy expended while moving 13.1 miles =645 calories.

Now, energy expended while moving 1 mile =\frac{645}{13.1} calories.

So, energy expended while moving 26.2 miles =\frac{645}{13.1}\times 26.2=645\times 2=1290 calories.

Hence, 1290 calories of energy is required to complete a marathon race 26.2 miles at this pace.

6 0
3 years ago
A train travels a total of 38 km at a constant speed of 90 km/h.
Zarrin [17]

Answer:

25 minutes and 33 seconds

Step-by-step explanation:

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5 0
2 years ago
SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!
insens350 [35]

(2y² + 7y + 11) - (8y² - 5y + 7) you can distribute the negative sign to the second expression and then combine the like terms

new expression: (2y² + 7y + 11) (-8y² + 5y - 7)

2y² and -8y² equals -6y²

7y and 5y equals 12y

11 and -7 equals 4

The answer is -6y² + 12y + 4

5 0
3 years ago
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