−5, −6, 0, 6 Which pair of numbers has a sum of zero

Mathematics

1 answer:

Naily [24]2 years ago

5 0

Answer:

-6 and 6

Step-by-step explanation:

Because one is a positive and one is negative, they cancel each other out equaling 0.

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Describe two different ways that you could find the product 8 x 997 using mental math. Find the product and explain why your met

jolli1 [7]

One method is to round 997 up to 1000, multiply by 8, and then subtract 8 times 3. This would give you the solution of 7976.

Another method (Which I personally wouldn't use) is to recursively double 997. This is more difficult, although effective. After you double 997, double the resulting number, and then double the resulting number from that, you have the solution. This is because 2^3 is 8.

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KengaRu [80]

Answer: Its B!!!

Step-by-step explanation:

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What is the twentieth term of the arithmetic sequence 21, 18, 15, 12, ... ?

Vaselesa [24]

Answer:

-36

Step-by-step explanation:

21, 18, 15, 12....

All you have to do is subtract 3 less on each number you get, until u get to the twentieth term....

21, 18, 15, 12, 9, 6, 3, 0, -3, -6, -9, -12, -15, -18, -21, -24, -27, -30, -33, -36

-36 is the twentieth term of this arithmetic sequence

Hope this helped!

Have a supercalifragilisticexpialidocious day!

8 0

2 years ago

Three equivalent ratios for 6: 54

vodka [1.7K]

Treat it as a fraction where it must stay equal
6/54
with fractions, you can do anything as long as you do it so top and bottom
so 6/54=1/9=2/18=3/27=4/36=5/45 etc

but don't forget to convert back to ratios
so some examples are 1:9
2:18
3:27
4:35
5:45

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3 years ago

the temperature at noon is -4F. the temperature at 6:00pm is -12. what is difference between noon and 6:00pm temperature

uysha [10]

Answer:

8 degrees Fahrenheit

Step-by-step explanation:

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