MATHEMATICS MIDDLE SCHOOL

3 3%4×2 4%5 anything with a % in between is a fraction

Answers

Answer 1
Answer: 10 1/2 I am pretty sure its right

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-2x + 4y = -2 and 6x -y = 28
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What is the exact circumference of the circle? A. 16
cm

B. 8
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C. 4
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D. 2
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I NEED THE ANSWER QUICKLY PLEASE!!!!!!!

Answers

Hey there, we are going to use two formula's, the first formula is C=2πr, and the second formula is D=2r. Now, we solve, C=πd=π*8=25.13274, Therefore, I guess the answer is B. 8 cm

I'm just going to say that 8 cm is right (credit to the person who answered first), I toke the test and got it right! ☺

Marge has a book that holds her stamp collection. In this collection, 5 stamps are from England, 7 are from France, 8 are from the United States, and 3 are from Germany. Marge lives in the United States.If she picks a stamp at random from her collection, what is the probability that it is from a foreign country?

A. 10/23


B. 12/23


C. 15/23


D. 8/23

Answers

Answer:

C. 15/23

Step-by-step explanation:

This is because when working with probability, the first step is to determine what the probability you are finding is of.

1. You are finding the probability of it being a foreign country, so this would include England (5), France (8) and Germany (3). There are 15 stamps from outside countries.

2. In total, there are 23 stamps in the book, so the answer will always be "___ out of 23."

3. Putting these together, you can determine that her chance of picking a stamp from another country out of the book would be 15/23

Socks cost $2 per pair. The cost of n pairs is $2n. John says that the cost of 6 pairs is $26 and the cost of 7 pairs is $27. Is this correct? What did John do wrong?

Answers

John just added the number 6 and 7 after the 2 and he thought that if 2 times n is 2n then he thought he thought that, 2 multiply by 6 would be 26 and 2 times 7 is 27 by the example of 2n. Sorry if I confused you

Mr.Ravenheads car averages 23.75 miles per gallon of gasoline. Express this amount as a mixed number in simplest form.

Answers


23 is a whole number 75 is the numerator and use 100 as the denominator since 75 is in the 100nths place.  

Alana bought 3/8pound of Swiss cheese and 1/4 pounds of American cheese.which pairs of fractions are equivalent to the amounts Alana bought?

Answers

is it any fraction? if so 6/16 and 2/8 are equivalent

Can someone help me with number 11 its increasing and I don't get I get how to do decreasing just not increasing

Answers

so assume that 24 is 100%

what percent is 78

24 times 3=72
get close to the number
78-72=6
find the remainder
6=1/4 of 24
figure out the fraction
3-1+1/4=2 and 1/4
2=200%, 1/4=25%
the answer is 225%
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