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Trava [24]
3 years ago
14

Test 645 for divisibility by 2, 3, 5, 9, and 10.

Mathematics
1 answer:
zaharov [31]3 years ago
4 0

Answer:To test for divisibility, you look for answers that are whole numbers when you divide 59859 by either 2, 3, 5, 9, or 10.

To start divide it by each of them:

59859/2=29929.5

59859/3= 19953

59859/5= 11971.8

59859/9= 6651

59859/10= 5985.9

Now look at which of the choices are whole numbers

3 and 9 are the only non decimal numbers, therefore, C would be your answer.

Step-by-step explanation:

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What is 2(n-1)+4n=2(3n-1)
Xelga [282]

Answer:

Infinite solutions

Step-by-step explanation:

<em><u>Distribute the 2 to (n - 1), and distribute the 2 to (3n - 1), like so:</u></em>

2(n - 1) + 4n = 2(3n - 1)

2n - 2 + 4n = 6n - 2

<em><u>Add like terms (2n and 4n):</u></em>

6n - 2 = 6n - 2

<em><u>Subtract 6n from both sides:</u></em>

-2 = -2

Since we ended up with the same term on both sides, we can't do anything else, meaning this equation has infinite solutions.

4 0
3 years ago
A square patio has an area of 50 square feet. To the nearest tenth of a foot, what is the length of the patio? A. 7.1 ft B. 12.5
Ivanshal [37]
The answer is B because 50 divided by 4 is 12.5
5 0
4 years ago
Read 2 more answers
Please help me with this
LekaFEV [45]

Answer: can't add an answer, but for the first all 3 angles add up to 180 in a triangle for the second, plug 5 in and also check if all three add up to 180

Step-by-step explanation:

8 0
3 years ago
A line passes through point A(12,18). A second point on the line has an x-value that is 125% of the x-value of point A and a y-v
Reil [10]

Answer:

(y - 18) = -3/2 (x - 12)

Step-by-step explanation:

125% of 12 equals 15

75% of 18 equals 13 1/2

so the slope equals 4.5/-3 or -3/2

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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4 years ago
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