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Maslowich
3 years ago
12

Trig help ..........

Mathematics
1 answer:
erastovalidia [21]3 years ago
3 0
Letter D

1-sin^2(x) = cos^2(x)

= sin^2(x)/cos^2(x)
= tan^2(x)

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Sammie and Joel invest their money with the Grabitall Bank.
AlekseyPX
a) Sammie earns
  £320×4% = £12.80
each year.

Joel earns
  £420×3% = £12.60
each year.

Sammie earns the most interest.

b)
Joel's interest after 5 years is
  £12.60×5 = £63
so the total amount of money Joel will have is
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5 0
3 years ago
12x(x+2)−5(2x−1)<br><br> find the equation
ankoles [38]
Perform the indicated multiplications...

12x*x+12x*2-5*2x-5*(-1)

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12x^2+14x+5
7 0
2 years ago
Read 2 more answers
#3 is what I need help on
miv72 [106K]

Answer: 11.05

Step-by-step explanation:

Divide 5.20 by 8 to find the price of each bag (which is .65 cents.) Multiple .65 by 20 (13). 15% of 13 is 1.95. 13 - 1.95 is 11.05

PS: 1.95 is the discount. Hope this helps. Have a good day.

3 0
2 years ago
Read 2 more answers
27. Dylan bought 3 identical shirts online for a total cost of $71.83 including a flat rate of $7.99 for shipping. Write
Sav [38]

Answer:

71.83

Step-by-step explanation:

3 0
2 years ago
A). A(n)= 46-n * (4-1)<br> B). A(n)= 46 - (n-1)*4<br> C). A(n)= 46 - 4^n-1<br> D). A(n)= 46 - 4^n+1
UkoKoshka [18]
I think it is answer C.
4 0
3 years ago
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