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Ratling [72]
3 years ago
12

Kann jemand helfen?

Mathematics
1 answer:
balandron [24]3 years ago
8 0

Answer:

kdkdjfjfjdjrntndrbrjndbt

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Part 1
andreev551 [17]

Answer:

see explanation

Step-by-step explanation:

Part 1

The n th term of a geometric sequence is

a_{n} = a(r)^{n-1}

where a is the first term and r the common ratio

Given a_{6} = 128, then

a(2)^{5} = 128, that is

32a = 128 ( divide both sides by 32 )

a = 4 ← first term

Part 2

a_{21} = 4(2)^{20} = 4 × 1048576 = 4194304

6 0
2 years ago
Hannah walks 2 miles each day to work then she walks two miles home how many yards does she walk to and from work each day
Damm [24]
Hey there! Every mile is 1760 yards, so multiply that by 4
1760 x 4 = 7040, so she walks 7040 yards.
Hope this helped!
7 0
3 years ago
In a word there are 8 letters. Of them c letters are vowels, and the rest are consonants. What part of all the letters of this w
Lera25 [3.4K]

8 = letter

c = vowels

8 -c = consonants

_____________

c = 3

so, you've got three vowels

6 0
3 years ago
Solve the system by graphing: y=-3x-3 and y=2x+2. Make sure you write your answer as an ordered pair: (x,y)
Rainbow [258]

Answer: (5, 12)

Step-by-step explanation:

Just graph the linear equations and find where they intersect.

Algebraically, you can set them equal to each other

-3x-3=2x+2

-x-3=2

-x=5

x=5

Plug x=5 to any equation

y=2(5)+2

y=12

3 0
3 years ago
Njh<br><br><br><br><br><br> by how many is 3 fours of 20 greater than 3 fiths of 20?
VMariaS [17]

3

To calculate a fraction of a quantity, multiply the quantity by the numerator of the fraction and divide by the denominator

\frac{3}{4} of 20 = (3 × 20 )/4 = \frac{60}{4} = 15

\frac{3}{5} of 20 = (3 × 20 )/5 = \frac{60}{5} = 12


3 0
3 years ago
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