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Ksivusya [100]
2 years ago
14

-1+(-3) What is the answer? Show your work

Mathematics
2 answers:
postnew [5]2 years ago
8 0

Answer:

its -3

Step-by-step explanation: PEMDAS so you do -1 x -3= -3

uranmaximum [27]2 years ago
3 0

Answer:

-4

Step-by-step explanation:

-1+(-3)

golden rules in math

+*- = -

+*+=+

-*-=+

-*+=-

hence -1+(-3)= -1-3=- 4

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if you are adding two fractions that are both greater than 1/2 what must be true about the sum? Give three examples to support y
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Answer:

If you are adding to fractions that are both greater than 1/2, the sum will be greater than 1.

Step-by-step explanation: 1/2 + 1/2 =1    

Since both fractions are greater, obviously the sum will too.

Examples: 2/3+3/4= 1 5/12        4/6+6/9= 1 1/3

Hope this helps

6 0
3 years ago
Which is the simplified form of
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Answer:

 1           1

------ + -------    

r^7      s^12

Step-by-step explanation:

r^(-7) + s^(-12) can be re-written as

 1           1

------ + -------    by putting to use the rule:

r^7      s^12

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x^(-a) = ----------

              x^a

4 0
3 years ago
Read 2 more answers
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Sever21 [200]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
Which of the following sequences of numbers are arithmetic sequences?
Pepsi [2]
Answer: B, C, E

-------

The difference between consecutive terms (numbers that come after each other) in arithmetic sequences is the same. That means you add the same number every time to get the next number. To figure out which choices are arithmetic sequences, just see if the differences are the same.

Choice A) 1, -2, 3, -4, 5, ...
-2 - 1 = -3
3 - (-2) = 5
The difference is not constant, so it is not an arithmetic sequence.

Choice B) 12,345, 12,346, 12,347, 12,348, 12,349, ... 
12,346 - 12,345 = 1
12,347 - 12,346 = 1
The difference is constant, so it is an arithmetic sequence.

Choice C) <span>154, 171, 188, 205, 222, ... 
171 - 154 = 17
188 - 171 = 17
The difference is constant, so it is an arithmetic sequence.

Choice D) 
</span><span>1, 8, 16, 24, 32, ...
8 - 1 = 7
16 - 8 = 8
</span>The difference is not constant, so it is not an arithmetic sequence.

Choice E) 
<span>-3, -10, -17, -24, -31, ...
-10 - (-3) = -7
-17 - (-10) = -7
</span>The difference is constant, so it is an arithmetic sequence.
5 0
3 years ago
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Answer:

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