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3 years ago

According to Greg, perfect cherry pies have a ratio of 240 cherries to 3 pies.

Mathematics

2 answers:

Scorpion4ik [409]3 years ago

6 0

720 is the answer cause you just multiply 240 by three

dmitriy555 [2]3 years ago

5 0

To get the answer, divide 240 by three and multiply that by nine. The correct answer would be 720, because 240/3=80, and 80*9=720.

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Write five next terms:0;1;1;2;3;5;8;13

Iteru [2.4K]

Answer:

it's a(n)=a(n-1)+a(n-2)

this is also known as Fibonacci sequence

144

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7 0

2 years ago

What is the nth term rule of the quadratic sequence below?

Vladimir [108]

Answer:

3n² + 5n - 2

Step-by-step explanation:

Given sequence:

6, 20, 40, 66, 98, 136, ...

Calculate the first differences between the terms:

$6 \underset{+14}{\longrightarrow} 20 \underset{+20}{\longrightarrow} 40 \underset{+26}{\longrightarrow} 66 \underset{+32}{\longrightarrow} 98 \underset{+38}{\longrightarrow} 136$

As the first differences are not the same, calculate the second differences:

$14 \underset{+6}{\longrightarrow} 20 \underset{+6}{\longrightarrow} 26 \underset{+6}{\longrightarrow} 32 \underset{+6}{\longrightarrow} 38$

As the second differences are the same, the sequence is quadratic and will contain an n² term.

The coefficient of the n² term is half of the second difference.

Therefore, the n² term is: 3n²

Compare 3n² with the given sequence:

$\begin{array}{|c|c|c|c|c|}\cline{1-5} n & 1 & 2 & 3 & 4\\\cline{1-5} 3n^2 & 3 & 12 & 27 & 48 \\\cline{1-5} \sf operation & +3&+8 & +13 & +18 \\\cline{1-5} \sf sequence & 6 & 20 & 40 & 66\\\cline{1-5}\end{array}$

The second operations are different, therefore calculate the differences between the second operations:

$3 \underset{+5}{\longrightarrow} 8 \underset{+5}{\longrightarrow} 13\underset{+5}{\longrightarrow} 18$

As the differences are the same, we need to add 5n as the second operation:

$\begin{array}{|c|c|c|c|c|}\cline{1-5} n & 1 & 2 & 3 & 4\\\cline{1-5} 3n^2 +5n & 8&22 & 42 & 68\\\cline{1-5}\sf operation & -2 &-2 &-2 & -2 \\\cline{1-5} \sf sequence & 6 & 20 & 40 & 66\\\cline{1-5}\end{array}$

Finally, we can clearly see that the operation to get from 3n² + 5n to the given sequence is to subtract 2.

Therefore, the nth term of the quadratic sequence is:

3n² + 5n - 2

6 0

1 year ago

About how much more is 22 to the 7 power and 22 to the 4 power

Bumek [7]

22 to the 7 power is 2494357888
22 to the 4 power is 234256

Just subtract those two numbers and you'll get that it's 2494123632

4 0

3 years ago

Will give brainliest answer

densk [106]

Answer:

d =13 cm

r = 6.5 cm

Step-by-step explanation:

The diameter is the distance across the circle, going through the center

d = 13 cm

The radius is 1/2 of the diameter

r = d/2 = 13/2 = 6.5 cm

4 0

3 years ago

Read 2 more answers

Is the table a function?

Dmitry_Shevchenko [17]

Answer:

short answer no

Step-by-step explanation:

there's repeated values for y

3 0

3 years ago