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LUCKY_DIMON [66]
3 years ago
8

Need Help With This:​

Mathematics
2 answers:
Amanda [17]3 years ago
8 0
Answer:
64

Explanation:
Step 1 - Simplify the parentheses

2^5 / 2^3 • (4 - 2)^4
2^5 / 2^3 • 2^4

Step 2 - Use this formula: a / b/c = a • c/b and simplify

2^5 / 2^3 • 2^4
2^5 • 1/2^3 • 2^4
32 • 1/8 • 16

Step 3 - Divide

32 • 1/8 • 16
32 • 1 • 16/ 8
512/8

Step 4 - Simplify

512/8
64
Mekhanik [1.2K]3 years ago
3 0
You want to use PEMDAS to solve this problem.
So we do the parentheses first (4-2) = 2
Then you would do the exponent next
2 to the 5th power is 32
2 to the 3rd power is 8
(2) to the 4th power is 16
32 / 8 • 16
Then we want to do Multiplication and division from what ever comes first so in this case 32/8, which will equal 4 then we multiple 4 with 16 making the answer 64
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Last Question...Please help if you can...(25 points if you answer this)
tresset_1 [31]

Answer:

  • Annie- 17 hours, Brian- 3 hours

Step-by-step explanation:

Let the number of hours Annie travelled be a, and same of Brian be b

<u>Then we have</u>

  • a + b = 20
  • a = 5b + 2

<u>Substituting a in the first equation</u>

  • 5b + 2 + b = 20
  • 6b = 20 - 2
  • 6b = 18
  • b = 3

<u>Then finding a</u>

  • a = 20 - 3 = 17

<u>So the answer is:</u>

  • Annie- 17 hours, Brian- 3 hours
5 0
4 years ago
Using the table for many repetitions of the experiment of tossing a coin 10 times, what is the mean number of heads in 50 repeti
PtichkaEL [24]
When there are 1000 repetitions, the mean will be 5.002.

The charts that you have list the number of total heads when you flip the coin 10 times in each trial.

Multiply the total of each by the number number of heads for that category and divide by 1000.

1 x 0
8 x 1
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2017 x 4
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If you add up those products and divide by 1000, you have 5.002.

Using the law of large numbers, the experiment with 1000 rolls will be the closest to the theoretical amount.
7 0
3 years ago
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4vir4ik [10]

For a 45-45-90 angle the hypotenuse is s * square root of 2

so the hypotenuse is 14 * square root of 2 or 19.8

:)))

6 0
3 years ago
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True or false and any nonzero integer divided by zero equals zero
kiruha [24]
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3 0
4 years ago
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SpyIntel [72]

Answer:

24

Step-by-step explanation:

Because 72 divided by 3 is 24

4 0
3 years ago
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