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Veseljchak [2.6K]
4 years ago
15

Brown bats sleep for 20 hours each day. How many hours per week are they awake? How many hours per year are they awake ​

Mathematics
1 answer:
icang [17]4 years ago
7 0
(20)(7) = 140 hours per week
(20)(365) = 7300 hours per year
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Factor the expression completely. x^4-9x^2+14 x 4 −9x 2 +14
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Answer: 3x^2(5x^2-6)+14
(WORK SHOWN BELOW)

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3 years ago
What is 5×10 to the power of -3 in as ordinary number
Mumz [18]
Since the exponent of the scientific notation is negative (-3), move the decimal point 3 places to the left. 0.005.
5 0
4 years ago
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riadik2000 [5.3K]

Answer:

X=6

Step-by-step explanation:

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The 6th term of an arithmetic progression is 35 and the 13th term is 77. find the 20th term​
Helga [31]

20th term= 119

Step-by-step explanation:

Let the first term of AP be a

and common difference be d

nth term is given by,

= a+(n-1)d

6th term = 35

a+(6-1)d= 35

a+5d=35 -----------------(i)

13th term = 77

a+12d= 77----------------(ii)

Now, equation (ii) - (i)

a+12d-(a+5d)= 77-35

a+12d-a-5d= 42

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Now, from equation (i)

a= 35-5d= 35-5(6)= 35-30 = 5

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5 0
3 years ago
Plslslsllslslslslslslsl helppp
ANEK [815]

Answer:

BE = 39/5 or 7.8

Step-by-step explanation:

As <ABC = <DBE trigonometric function is angle BAC and angle BED

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so AC/AB = DE/BE = 13/BE = 5/3

So now we cross multiply

BE = 13 × 3 over 5

13 × 3 = 39

and over 5 means

39/5 = 7.8

4 0
3 years ago
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