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SashulF [63]
2 years ago
14

1/2x-2 One half multiply negative 2

Mathematics
2 answers:
Amiraneli [1.4K]2 years ago
8 0

Answer:

-1

Step-by-step explanation:

first 1/2 of 2 is 1

the 2 is negative so it makes the solution negative

sattari [20]2 years ago
5 0

Answer:

Step-by-step explanation:

11

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madam [21]

Answer:

Option C is correct.

7 \cdot \sum_{i=1}^{18} i^2 + 9 \cdot 18

Step-by-step explanation:

Given the expression:  \sum_{i=1}^{18} (7i^2+9)

Using properties of summation:

  • \sum_{i=1}^{n} (a+bi) =\sum_{i=1}^{n} a + \sum_{i=1}^{n} bi
  • \sum_{i=1}^{n} a = an

Using properties of summation in the given expression we have;

\sum_{i=1}^{18} (7i^2+9)

= \sum_{i=1}^{18} 7i^2 + \sum_{i=1}^{18} 9

=7 \cdot \sum_{i=1}^{18} i^2 + 9 \cdot 18

Therefore, the following given expression uses the properties of summation to represents is, 7 \cdot \sum_{i=1}^{18} i^2 + 9 \cdot 18


8 0
3 years ago
Read 2 more answers
A large carton of milk is 72 ounces. How
agasfer [191]

Answer: not here!

Step-by-step explanation: 72 ounces is 9 cups! (Divide by 8) (Assuming you mean US cups)

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