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inysia [295]
3 years ago
9

Four friends are going to split the cost of a pizza. If p stands for the cost of the pizza, which of the following expressions c

ould represent what each friend will pay?
A.4p
B.p - 4
C.p
D.p/4
Mathematics
1 answer:
Natasha2012 [34]3 years ago
5 0

Answer: A

Step-by-step explanation:

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A pyramid of logs has 2 logs in the top row, 4 logs in the second row from the top, 6 logs in the third row from the top, and so
mamaluj [8]

Answer:

1) Is the pattern an arithmetic sequence?​

Yes it is

2)Identify a and d.​

a = First term = 2

d = Common difference = 2

3) Write the 50th term of the sequence.​

50th term = 100

4) Find the total number of logs in the first 10 rows.​

= 1010 logs

Step-by-step explanation:

Is the pattern an arithmetic sequence?​

Yes it is

2) Identify a and d.​

A pyramid of logs has 2 logs in the top row, 4 logs in the second row from the top, 6 logs in the third row from the top, and so on,

The formula for arithmetic sequence =

an = a+ (n - 1)d

a = First term

d = Common difference

For the above question:

a = 2

d = Second term - First term

= 4 - 2

d = 2

3) Write the 50th term of the sequence.​

Using the formula for arithmetic sequence

an = a+ (n - 1)d

a = 2

n = 50

d = 2

a50 = 2 + (50 - 1)2

= 2 + (49)2

= 2 + 98

= 100

The 50th term = 100

4)Find the total number of logs in the first 10 rows.​

Sum of first n terms = n/2(a + l)

n = 10

a = first term = 2

We are told that there are 200 logs in the bottom row, hence:

l = last term = 200 logs

Hence,

Sn = 10/2×[ (2 + 200

= 5(202)

= 1010 logs

7 0
3 years ago
The value of y varies directly with x, and when x = y = 25. What is the value of
kipiarov [429]

Answer:

A 233.3 or 233 1/3

Step-by-step explanation:

X =1/4

Y =25

1/4 X 100= 25

2 1/3 X 100= 233.3

6 0
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what kind of business organization is easy to start and stop and one person collects all the profits and makes all the decisions
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Answer:

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Step-by-step explanation:

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How are the graphs of y = sin(x) and y = sin(8x) related? *
Annette [7]

Answer:

O There is a change in the period of the function

Step-by-step explanation:

O There is a change in the period of the function; The period of sin x is 8 times longer than the period of sin 8x.

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As an estimation we are told £3 is €4.
agasfer [191]

Answer:

21

Step-by-step explanation:

7 0
3 years ago
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