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slega [8]
3 years ago
7

If the sum of three consecutive multiples of 7 is 945. Find the smallest among them​

Mathematics
1 answer:
Firlakuza [10]3 years ago
8 0

consider first number is = x

formula,

(n / 2)(first number + last number) = sum,

7/2(x+x+6)= 945

2x+6= 945×2/7

2x+6 = 270

2x= 270-6

x=264/2= 132

Answer the smallest number is 132.

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In a class of 147 students, 95 are taking math(m), 75 are taking science (s), 52 are taking both math and science. What is the p
Dmitriy789 [7]
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Since the criteria wants you to exclude students that take math or science, add m and s together. 

43 + 23 = 66

This is the total amount of students that take math or science.

To find the probability of picking a student that doesn't take math or science, subtract 66 from the total amount of students. 

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Take this amount and divide by the total amount of students again.

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How can this product be simplified 8p(-2p^2+6p-2)
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Answer:

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Explanation:

In order to simplify the given expression, we need to multiplied 8p with (-2p²+6p-2)

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we need to distribute 8p over the brackets or parenthesis.

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We can't simplify it more, so that's the final answer.

I hope it's help.





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