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raketka [301]
3 years ago
7

Prove this identify : 2 cos^2 (45°-A ) = 1 +sin 2 A​

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0
I wasn’t sure how to put this into words. I hope this makes sense. <3

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Ben can type 25 words in half a minute. At this rate, how many words can he type in 5 minutes?
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In science class, Mrs. Moore’s students were directed to weigh a 300-gram mass on the balance scale. Tina weighed the object and
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Think it's 109.33

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If (5⁴)m = 5 ¹²,what is the value of m<br> 2<br><br> 3<br><br> 5<br><br> 8
Lapatulllka [165]
The correct answer is:  [B]:  " 3 " .
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Note:  
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The question asks:
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If (5⁴)ᵐ  = 5¹² ;  then what is "m" ?

Note the following property of exponents:
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   (xᵃ)ᵇ = x⁽ᵃ*ᵇ⁾ ; a≠0 ; b ≠ 0 ;  

Then,  (5⁴)³ = 5⁽⁴ * ³⁾ = 5¹² .

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5 0
4 years ago
Yea.....can sum1 help pls
vichka [17]

Answer:

208

Step-by-step explanation:

8*8=64

9*8/2=36

36*4=144

144+64=208

have a nice day :)

8 0
3 years ago
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A grocery clerk sets up a display of oranges in the form of a triangle using 14 oranges at the base and 1 at the top how many or
Leviafan [203]

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  105

Step-by-step explanation:

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For n=14, the number is 14(15)/2 = 7·15 = 105.

The clerk used 105 oranges to make the arrangement.

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3 years ago
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