MATHEMATICS MIDDLE SCHOOL

How many odd prime numbers are there between 1 and 20?​

Answers

Answer 1
Answer:

Answer:

8

Step-by-step explanation:

A prime number is a number that times it self and 1.

An odd number is a number that is not divisible by 2.

So our range is 1 - 20

What numbers are prime within this range:

2,3,5,7,11,13,15,17,19

9  numbers

Now which out of these are odd?

2,3,5,7,11,13,15,17,19

8  numbers

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Maria pies 8 1/3 pounds of beef to make tacos for party. she uses 5/9 pound of beef for each taco, how many tacos can Maria make?

Answers

number\ of\ tacos=(amount\ of\ all\ beef)/(beef\ used\ for\ one\ taco)\n\nnumber\ of\ tacos=(8(1)/(3))/((5)/(9))=\ \ \ | making\ improper\ fractions\n\nnumber\ of\ tacos=((25)/(3))/((5)/(9))=(25)/(3)*(9)/(5)=15\n\nShe\ can\ make\ 15\ tacos.

Ash had $55 and saved an additional $5 each week. She saved a total of $550. What’s the number of weeks she saved?

Answers

Answer:

99 weeks.

Step-by-step explanation:

You takeaway 55 from 550. The divide that total by 5.

Hope this helps!

Brainliest? :)

If 3 bats are flying at 5 miles per hour how long will it take the bats to fly 15 miles

Answers

It will take the bats 10 ore miles to get to 15 miles.
It would take the bats 3 hours to fly 15 miles because since it takes the bats 5 miles per hour and if you multiply the 5 by 3 you get 15 which is the answer.

Julie counted 25 players on a visiting soccer team. The actual number of players on the visiting soccer team was 27.What is the percent error in Julie’s measurement? If necessary, round to the nearest percent.

Answers

Percent error is:
(What you got - what you should have got)  * 100 / what you should have got

So in this case:
(25-27) * 100 / 27 = 7.407 with the (.407) repeating

Risniel has 7 dogs. Danishka has 2 dogs. How many more dogs does Danishka have than Risniel?

Answers

14 beacause your multiplying 7x2 wich is 14
Danishka has less dogs, So if this question is really asking she has -5 more dogs that Risniel.

What is 624/60 written in mixed numbers

Answers

Well,
10 2/5 is the correct answer because 60 can go into 624 10 times evenly. Leaving the remainder if 24 which you put over 60. Making it 10 24/60 but then after simplifying making the final answer 10 2/5
Hope I helped
The answer is 10 24/60.
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