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Nina [5.8K]
3 years ago
10

Use the difference of cubes identity to write the expression x3 – 64 in factored form.

Mathematics
1 answer:
Elena-2011 [213]3 years ago
3 0

Answer:

Hey there!

We have:

x^3-64

x^3-4^3

(x-4)(x^2+4x+16)

Let me know if this helps :)

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Fatima took 546 US dollars to the bank to exchange for Canadian dollars. If the exchange rate on that day was 1.6 Canadian dolla
olchik [2.2K]

Answer:

$873.60 Canadian dollars

Step-by-step explanation:

All you have to do here is multiply the rate, so 1.6, by the total amount, so 546.

546 x 1.6=873.6

6 0
3 years ago
Help please?? I’m being timed!!
weqwewe [10]

Answer:

answer is is option 3 all the best for examination

6 0
3 years ago
Read 2 more answers
What is the mean, median, mode, and range of 8, 35, 10, 12, 14?
Ivan

answer:

mean: 15.8

median: 12

mode: no mode

range: 27

step-by-step explanation:

  • first know how to find each of the above and what they are
  • mean = (avg) add all the numbers, then divide by the number of numbers
  • median = the middle number from increasing order
  • mode = the one that repeats the most
  • range = the difference between the largest and smallest number

8, 35, 10, 12, 14

<u>mean</u>

8 + 35 + 10 + 12 + 14 = 79

  • there are five numbers

79 / 5 = 15.8

<u>median</u>

  • put them from smallest to largest

8, 10, 12, 14, 35

  • 12 is the median OR the middle number

<u>mode</u>

  • no number repeat, so no mode

<u>range</u>

35 - 8 = 27

3 0
3 years ago
Is 30/12 and 40/16 equivalent?
Flura [38]
30/12 in simplest form is 5/2 (cause 6 * 5 = 30 and 6 * 2 = 12)
40/16 in simplest form is 5/2 (cause 8 * 2 = 16 and 8 * 5 =40)
so yes they're equivalent;
30/12 = 40/16
Hope that helps :D have a nice day!
5 0
3 years ago
Read 2 more answers
Solve the inequality. -6b&gt;42 or 4b&gt;-4
goldfiish [28.3K]
- 6b > 42 or 4b > - 4
Divide by - 6. Divide by 4.
b < - 7 Or b > - 1
7 0
3 years ago
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