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oee [108]
3 years ago
13

Judy claims that she can find 0.5 x 2.4 by dividing 2.4 into two equal parts. Is she correct? Draw a decimal model to explain

Mathematics
2 answers:
san4es73 [151]3 years ago
3 0
Yes because 2.4 in half is 1.2
AveGali [126]3 years ago
3 0

Answer:

Judy's claim to divide 2.4 by 2 is the same as multiplying 2.4 * 0.5 is:

  • <u>Correct</u>.

Step-by-step explanation:

Multiplying a number by 0.5 (whose fractional is 1/2) is the same as dividing this number by 2, this case is very easy to identify by making different examples in which said decimals and integers are used, checking that the result is the same:

EXAMPLES.

1. 12*0.5 = 6

   12/2 = 6

2. 3*0.5 = 1.5

   3/2 = 1.5

3. 5.5*0.5 = 2.75

   5.5/2 = 2.75

As you can see in the previous examples, performing the operation by both methods is correct.

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Express the fractions 1/2, 3/16, and 7/8 with an LCD
12345 [234]
You first need to find the LCD (lowest common denominator). You will need to find the smallest number that is a multiple of all numbers that is the denominator (2, 16, 8). Or, to say it another way, all the numbers in the denominator need to be a factor of this number. 

You can find this by first checking if the largest number that is the denominator-- in this case 16-- is already the LCD, which means 16 is divisible by all the other numbers. 

If this does not work, then multiply all the numbers together to get the LCD-- since you multiplied them together, you know that they will all be factors of the product. 

However, you will be able to see that 16 is indeed the lowest common denominator: 

2 × 8=16 

8 × 2=16 

16 × 1=16 

So, after you find the LCD, multiply both the numerator and the denominator by the number that you would need to multiply the denominator to get the LCD (the whole point is that you want to get the denominator to be the LCD, but to do that you need to multiply both the top and bottom by the same number to keep the fraction the same). 

(1/2) x (8/8)= 8/16 

(3/16) x (1/1)= 3/16 

(7/8) x (2/2)= 14/16

6 0
3 years ago
I need help I don’t get it plz help
makkiz [27]
D because it would 44 below since 4 times 7 = 28 so it would switch over for to 6 times 7 =44
4 0
2 years ago
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A sailboat travels a distance of miles in of an hour. Which complex fraction represents the unit rate in miles per hour?
EastWind [94]

Answer:

A sailboat travels a distance of 2 1/2 miles in 1/6 of an hour.

Step-by-step explanation:

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7 0
3 years ago
Select the two figures that are similar to the 5 by 5 figure that is shown.
weeeeeb [17]
Answer: the blue and the pink
4 0
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What is the area of this figure? A square with sides measuring 7 inches. A triangle attached to one side of the square gives the
slavikrds [6]
B)66.5in^2

The square is 49in^2 and the triangle has side lengths of 5 and 7 so the area is (5*7/2=17.5)
49+17.5=66.5
4 0
3 years ago
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