MATHEMATICS MIDDLE SCHOOL

What is? 3.44 rounded to 1 decimal place
12.09 1 decimal place
18.39 1 decimal place
44.347 1 decimal place
82.383 1 decimal place
49.2532 1 decimal place

Answers

Answer 1
Answer: 3.4, 13, 18.4, 44.3, 82.4, 49.3     :) hope this helped 
Answer 2
Answer: 3.44 = 3.4 since 4 in the hundredths is nearer to 0
12.09 = 12.1 since 9 is near the next digit
Do the same with these:
18.39 = 18.4
44.347 = 44.3
82.383 = 82.4
49.2532 = 49.3

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If 25% of a number is 20, what is 60% of the number

Answers

The 60% of the number is 48.

What is Percentage ?

A percentage is a quantity or ratio expressed as a fraction of one hundred. It's sign is % .

It is given in the question that

if 25% of a number is 20, what is 60% of the number

Let the number be x

Making the expression from the given quation

(25/100) *x = 20

x = 20 * 100 / 25

x = 80

Therefore the number is 80

Then 60% of the number is

(60/100)*80

48

Therefore the 60% of the number is 48.

To know more about Percentage

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Set up a proportion, 20 over 25% and x over 60% and the answer is 48

X = 8, y = 20. Find y when x = 42

Answers

Create proportions to do this question
When x is 8, y is 20
when x is 42, y is ?

(8)/(20) = (42)/(?)

Do cross multiplication:

8 × ? = 20 × 42
8 × ? = 840

Divide by 8 to isolate the unknown

(8*?)/(8) = (840)/(8)
8 and 8 cancels out

? = 105

y is 105 when x is 42
8 / 20 = 42 / y;
Then, y = ( 42 × 20 ) / 8 ;
y = 840 / 8 ;
y = 105;

Taylor spends three hours packing gifts for her friends it takes her one ninth of an hour to pack each gift how many gifts does she pack in 3 hours

Answers

ok
1/9=1present
3hours=xpresent

1/9 times x=3
multiplyboth sides by 9
x=27
answer is 27

another way is
1/9 hour=1 present
1hour=9present
3 hour=27 present

Bennett has 107 photographs to place in the school yearbook. She will put the same number of photos on each of the 13 pages. If she can put 4 pictures in a row, how many photographs will not be placed in the yearbook?

Answers

Answer:

55 photographs

Step-by-step explanation:

4 x 13 = 52 photographs, this is the total photographs she can put in the yearbook.

107 - 52 = 55 photographs will not be placed in the yearbook

What type of number is 2pi, rational, irrational, whole number, integer

Answers

2 pi is also irrational............

How can I find two numbers whose sum is 38 and whose difference is 14

Answers

assume 1st num is x
and 2nd num is y
you want x+y = 38
and x-y = 14
by solving those two equations we get x = 26 & y= 12
so , the numbers is 12 & 26
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