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fredd [130]
2 years ago
15

What is the product? 5 -2 Х -6 2

Mathematics
1 answer:
astra-53 [7]2 years ago
4 0

-the answer is -3

4

.....

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I am not sure how sigma notation works, can somebody explain how to solve this? It isn't the second choice.
Masja [62]

Answer:

first answer is correct

Step-by-step explanation:

Hello, we want to write 2 + 4 + 6 + ... + 20

for n = 1, 2n = 2*1 =2

for n = 2, 2n = 2*2=4

for n = 3, 2n=2*3=6

etc

so

\displaystyle \sum_{n=1}^{10} {2n} = 2*1 + 2*2 +2*3+2*4+...+2*10=2+4+6+8+...+20

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6 0
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Step-by-step explanation:

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6 0
2 years ago
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Clare says’ this classroom is 11 m long in metres longer than a year so if I measure the length of the classroom I will get less
Vlad [161]

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Step-by-step explanation:

4 0
3 years ago
From Midnight to 6 am the temperature rose 8 degrees C. At 6 am the temperature was -21 degrees C. What was the temperature at m
Alika [10]
Hello!

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2 years ago
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In his last football game, Sean rushed for 94 yards. if his season total is now 871 yards, how many total yards did he have prio
Masteriza [31]

it should be somewhere around 110 to 120 yards


4 0
3 years ago
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