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julsineya [31]
3 years ago
12

Finding a common denominator 3/10 and 6/15

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
3 0

Answer:

30.

Step-by-step explanation:

We can do this from the prime factors:

10 = 2*5

15 = 3*5

We have  a common factor of 5 so we only use this once in the calculation:

LCM = 2*3*5 = 30.

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Kevin planted ome corn in the back yard and meaure it height regularly. Currently, the talk are 75 inche tall. That i 25% taller
Pavlova-9 [17]

The height of the tree was 56 inches.

We can calculate the percentage of a certain amount by :

Subtracting  New - Original / New multiplied by 100

this implies it will be

75 - x / 75 × 100 = 25 %

7500 - 100 x = 1875

this implies 7500 - 1875 = 100 x

5625 = 100 x

Thus , On dividing both sides by 100 we get

56.25 = x

Now on rounding off this number we will get

56 = x

Thus the original height of the corn plant was 56 inches

To know more about percentage you may visit the link which is mentioned below :

brainly.com/question/10168902

#SPJ1

8 0
2 years ago
892.8571428571429 to the nearest whole number
Elina [12.6K]

Answer:

893

Step-by-step explanation:

To the right of the decimal, the number 8 is greater than 4 so you have to round up the number to the left. So 2 becomes 3 in the ones place.

Hope this helps.

5 0
3 years ago
Read 2 more answers
1 cm= 4 meters model is 75 1/4 cm tall what is the actuall height
Fantom [35]

Answer:

Step-by-step explanation:Answer:

1cm = 50

2 cm = 50 x 2

3cm = 50 x 3

and the inverse:50m = 50/50 = 1cm

100m = 100/50 = 2cm

150m = 150/50 = 3cm

381m = 381/

8 0
3 years ago
1.
Dima020 [189]
I would say B sorry if im wrong tho
3 0
3 years ago
Read 2 more answers
What's 80÷7 I need this answer fast thank you it's for 65 points
klemol [59]
In order to solve this, we must find out how many times 7 goes into 80. We can do this by either subtracting individual 7s from 80, or by adding 7s together until we cannot add another without going past 80.

For this answer, I will use the addition method.

7 + 7 = 14

14 + 7 = 21

21 + 7 = 28

28 + 7 = 35

35 + 7 = 42

42 + 7 = 49

49 + 7 = 56

56 + 7 = 63

63 + 7 = 70

70 + 7 = 77

From 77, we cannot add another 7 to it without going over 80, since 77 + 7 = 84.

So, let's count the sevens that we have added up so far, and when we do, we can see that there are 11 of them, adding up to 77.
So 7 goes into 80 11 times. Now, let's find the remainder...

To find the remainder, you just need to subtract the final added number from the number you are dividing from.

80 - 77 = 3

80 / 7 = 11, remainder 3
Hope that helped! =)
6 0
3 years ago
Read 2 more answers
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