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aliya0001 [1]
3 years ago
15

Write an expanded form and find the sum . plzz solve it 100% right... ​

Mathematics
1 answer:
harina [27]3 years ago
5 0

Step-by-step explanation:

n = 0 : 2(0) -1 = -1

n = 1 : 2(1) - 1 = 1

n = 2 : 3

n = 3 : 5

n = 4 : 7

n = 5 : 9

sum = -1 + 1 + 3 + 5 +7 + 9 = 25

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A rectangular prism is 4 units high, 2 units, and 6 units long. What is the surface area in square units?
andrew-mc [135]

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Answer:

  88 square units

Step-by-step explanation:

The area can be found using the formula ...

  A = 2(LW +H(L+W))

  A = 2(6·2 +4(6 +2)) = 2(12 +4(8)) = 2(44) = 88 . . . square units

4 0
3 years ago
A line segment has an endpoint at (-4,10) and a midpoint at (-8,0). Find the other endpoint.
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Answer:

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Step-by-step explanation:

Midpoint M is the average of endpoints A and B:

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  B = 2(-8, 0) -(-4, 10) = (2(-8)+4, 2(0)-10) = (-12, -10)

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3 years ago
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DerKrebs [107]
8 multiplies to 16 but what do you mean about adds to one
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3 years ago
Which statement is true? O A. The number 23 is prime, but 36 is composite. B. The number 33 is prime, but 42 is composite. OC. T
IRINA_888 [86]

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=====================================================

Explanation:

Let's go through the possible answer choices

  • A) This is true because 23 only has the factors 1 and 23. So that's why 23 is prime. We can say 36 is composite since 2 is a factor, ie 36 = 2*18.
  • B) This is false because 33 is not prime. Note how 33 = 3*11, showing that 3 is a factor of 33.
  • C) Similar to B, the statement "21 is prime" is false. Note how 21 = 3*7.
  • D) Like the other false statements, 27 is not prime because 27 = 3*9.

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Step-by-step explanation:

You can multiply 2/3 by 3 to get 2 and do the same to 4 3/4 to get 14 1/4. You then divide 2 by 2 and 14 1/4 by 2 to get 7 1/8 per cup of lemonade concentrate.

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3 years ago
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