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Lisa [10]
3 years ago
5

Simplify: (8)2(2)3 (4)3(-2)4

Mathematics
1 answer:
Lostsunrise [7]3 years ago
8 0
1). (16)(6)

2). (12)(-8)
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-3/7 + -3/4 by today Plus points
Roman55 [17]

Answer:

-33/28

Step-by-step explanation:

-12/28 + -21/28

= -33/28

you can't simplify it so its -33/28

6 0
3 years ago
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Solve using completing the square x^2 – 8x + 16 = 25
lisov135 [29]

First we need to factor the left side. Since it is a perfect square (as is the process with completing the square, we know we can take half of the middle number along with x to be in the two parenthesis.

(x - 4)(x - 4) = 25

Now we simplify to show it as a square.

(x - 4)^2 = 25

Next we take the square root of both sides

x - 4 = +/- 5

Note that we have plus or minus 5. This is because either square would give us positive 25. Now we add 4 to both sides

x = 4 +/- 5

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3 years ago
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puteri [66]
To find the IQR you first need to write it in numerical order

77, 81, 83, 84, 86, 86, 88, 92


IQR is just Q3 - Q1

Q1 is the middle of the first have, since it has an even set of 4 numbers in the first half you need to take the average of the two middle ones.. which is 82

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87 - 82 = 5

IQR = 5
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What is your estimate for the number of airline flights in a year?
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The answer is between 45,000,000-65,000,000
8 0
3 years ago
Help ASAP!!!!
lukranit [14]

Answer:

$0.23 or D

Step-by-step explanation:

Edg :)

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