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Debora [2.8K]
2 years ago
12

Find the lcm of the numer below 25 and 45​

Mathematics
1 answer:
atroni [7]2 years ago
4 0

Answer:

the answer is 90

Step-by-step explanation:

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Roni and Allie are mowing the grass at the soccer field. Roni has a riding lawn mower and can mow the field in 30 minutes. Allie
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About 0.71 of the field

7 0
2 years ago
Is 7/10 greater or less than or equal to 2/5?
seraphim [82]

Answer:

Greater than.

Step-by-step explanation:

\frac{2}{5} * 2 = \frac{4}{10}

5 0
3 years ago
Read 2 more answers
The following histogram presents the amounts of silver (in parts per million) found in a sample of rocks. One rectangle from the
gladu [14]

Answer:

  • <u><em>The height of the missing rectangle is 0.15</em></u>

Explanation:

The image attached has the mentioned <em>histogram</em>.

Such histogram presents the relative frequencies for the clases [0,1], [1,2],[2,3], [4,5], and [5,6] Silver in ppm.

Only the rectangle for the class [3,4] is missing.

The height of each rectangle is the relative frequency of the corresponding class.

The relative frequencies must add 1, because each relative frequency is calculated dividing the absolute class frequency by the total number in the sample; hence, the sum of all the relative frequencies is equal to the total absolute class frequencies divided by the same number, yielding 1.

In consequence, you can sum all the known relative frequencies and subtract from 1 to get the missing relative frequency, which is the height of the missing rectangle.

<u>1. Sum of the known relative frequencies</u>:

  • 0.2 + 0.3 + 0.15 + 0.1 + 0.1 = 0.85

<u>2. Missing frequency</u>:

  • 1 - 0.85 = 0.15

<u>3. Conclusion</u>:

  • The height of the missing rectangle is 0.15

4 0
2 years ago
If n is equal to 9×7 what should be added to n to make it 233​
iris [78.8K]
170 should be added because 9x7 is 63 and you would subtract 63 from 233
4 0
3 years ago
4
Alenkasestr [34]

Answer:

11

need more characters

8 0
3 years ago
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