MATHEMATICS HIGH SCHOOL

The nth term of a sequence is 10n – 8 .Find the 20th term and 50th term.

Answers

Answer 1
Answer:

Answer:

192

492

Step-by-step explanation:

  • aₙ = 10n - 8
  • a₂₀ = 10*20 - 8 = 200 - 8 = 192
  • a₅₀ = 10*50 - 8 = 500 - 8 = 492

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An art gallery has 9 paintings to display along a hallway. How many different ways can they choose and display 6 of the paintings?

Answers

All you would really need to do is 9*6 = 54 and that's how many different ways you can choose and display the paintings. 

8 students share 5 square pieces of cake equally. show me how to draw it out

Answers

You divide 8/5 to get the answer. So 8/5=1.6
I don't have a picture so try it yourself.
Have a nice day!
Andres2003

Sand masting (H). The sailboat named Sand Bug has a tall mast. The backstay (the heavy steel cable that attaches the top of the mast to the back, or stern, of the sailboat) is made of 130 feet of cable. The base of the mast is
located 50 feet from the stern of the boat. How tall is the mast?

Answers

x^(2) +50^(2)=130^(2)\n x^(2) +2500=16900\n x^(2) =14400\nx=120 
120 feet

Convert 0.0049 as a decimal fraction

Answers

0.0049 as a fraction would be converted to 49 over 10000
to convert 0.0049, we count the number of digits after the decimal point.

we find it 4.

Thus, there will be 4 zeroes in the denominator.


We get   49/10000

What's y in: 21y=(-205) +75+47y

Answers

The Answer Is A Fraction y= 151/47
21y=−205+75+47ySimplify: (Show steps)21y=(47y)+(−205+75)(Combine Like Terms)21y=47y+−13021y=47y−130Step 2: Subtract 47y from both sides.21y−47y=47y−130−47y−26y=−130Step 3: Divide both sides by -26.‌−26y−26‌=‌−130−26‌y=5

if 9 to the power of x = 27, what is x.

Method as well plz!

Answers

9^x=27\n\n(3^2)^x=3^3\n\n3^(2\cdot x)=3^3\n\n3^(2x)=3^3\iff 2x=3\ \ \ /:2\Rightarrow x=1.5
You can use logarithms:

Log9(27) which will give you the value of x

X= 1.5
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