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solmaris [256]
3 years ago
10

Please help me with this question

Mathematics
1 answer:
allsm [11]3 years ago
6 0
The answer to this is A
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PPPLLLZZZ HELP I'LL GIVE BRAINLIEST
kati45 [8]

Allen's work is not written properly so I have rearranged it as shown below:


Original problem) –8.3 + 9.2 – 4.4 + 3.7.

Step 1) −8.3 + 9.2 + 4.4 + 3.7 Additive inverse

Step 2) −8.3 + 4.4 + 9.2 + 3.7 Commutative property

Step 3) −8.3 + (4.4 + 9.2 + 3.7) Associative property

Step 4) −8.3 + 17.3


We can see that in step 1), Allen changed -4.4 into +4.4 using additive inverse. Notice that we are simplifying not eliminating -4.4 as we do in solving some equation. Hence using additive inverse is the wrong step.


Alen should have collect negative numbers together and positive numbers together.

Add the respective numbers then proceed to get the answer.


–8.3 + 9.2 – 4.4 + 3.7

= –8.3 – 4.4 + 9.2 + 3.7

= -12.7 + 12.9

= 0.2



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3 years ago
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alexira [117]
Assuming yo mean
k²-4k-21

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what 2 numbers multipily to get -21 and add to get -4?
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Find the area of the square ABCD
icang [17]

Step-by-step explanation:

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Answer:

1

Step-by-step explanation:

point slope formula: y-y1=m(x-x1)

y-(3)=\frac{1}{4}(x-(8))

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359 because you start with 100, then you multiply 50 x 359 which equals 17950. But then you are the hundred you had to start with to get 18050
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