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lisabon 2012 [21]

3 years ago

15

Yesterday, there were 90 problems assigned for math homework. Jonah did 20% of them correctly. How many problems did Jonah get r

ight?

1 answer:

stealth61 [152]3 years ago

5 0

Answer:

18 questions correctly

Step-by-step explanation:

1% of 90 is .9, so .9x20=18

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Solve the equation b+(-2)=0

leva [86]

Answer: b=2

Step-by-step explanation:

-2+2=0

So, b would be 2 because -2 plus 2 equals zero

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3 years ago

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Find ten rational numbers between -1 by 5 and 1 by 2

uysha [10]

Answer:

Step-by-step explanation:

First both the rational numbers should have same denominators. So, find least common denominator

Least common denominator is 10

$\frac{-1}{5}=\frac{-1*2}{5*2}=\frac{-2}{10}\\\\\\\frac{1}{2}=\frac{1*5}{2*5}=\frac{5}{10}\\\\\\$

Now multiply the numerator and denominators of the both the numbers by 10.

$\frac{-2*10}{10*10}= \frac{-20}{100} \ and \ \frac{5*10}{10*10}=\frac{50}{100}\\\\\\Now\ 10 \ rational \ numbers \ between\frac{-20}{10} \ and \ \frac{50}{100} \ is \\\\\\\frac{-19}{100},\frac{-18}{100},\frac{-17}{100},\frac{-16}{100}.\frac{-15}{100},\frac{-14}{100},\frac{-13}{100},\frac{-12}{100},\frac{-11}{100};\frac{-10}{100}$

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3 years ago

A mathematical term that does not include an equal or inequality sign is called an

Evgen [1.6K]

The answer would be a mathematical phrase. Hope that helped.

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3 years ago

Am I correct? Please check my answer

avanturin [10]

Yes your right ...."...............................

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4 years ago

David make 17 dollars in an hour and works 25 hours each week Linda makes 25 dollars in and hour and works 17 hours how much do

MA_775_DIABLO [31]

Answer:

Total earned= $850

Step-by-step explanation:

Giving the following information:

David makes 17 dollars in an hour and works 25 hours each week Linda makes 25 dollars in an hour and works 17 hours.

<u>To calculate the total earned, we need to use the following formula:</u>

Total earned= 17*25 + 25*17

Total earned= $850

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3 years ago