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Fed [463]
3 years ago
13

The step function f(x) is graphed.

Mathematics
2 answers:
nika2105 [10]3 years ago
3 0

Answer:

2

Step-by-step explanation:

Dmitriy789 [7]3 years ago
3 0

Answer:

C or 2

Step-by-step explanation:

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A King in ancient times agreed to reward the inventor of chess with one grain of wheat on the first of the 64 squares of a chess
statuscvo [17]
Let's start by visualising this concept.

Number of grains on square:
1   2   4   8   16 ...

We can see that it starts to form a geometric sequence, with the common ratio being 2.

For the first question, we simply want the fifteenth term, so we just use the nth term geometric form:
T_n = ar^{n - 1}
T_{15} = 2^{14} = 16384

Thus, there are 16, 384 grains on the fifteenth square.

The second question begs the same process, only this time, it's a summation. Using our sum to n terms of geometric sequence, we get:
S_n = \frac{a(r^{n} - 1)}{r - 1}
S_{15} = \frac{2^{15} - 1}{2 - 1}
S_{15} = 2^{15} - 1 = 32767

Thus, there are 32, 767 total grains on the first 15 squares, and you should be able to work the rest from here.
6 0
2 years ago
Read 2 more answers
Cody has 4 cups of powdered sugar. He sprinkles 3/4 of the sugar onto a plate of brownies and sprinkles the rest onto a plate of
Mashcka [7]

Answer:

3 cups

Step-by-step explanation:

Assumptions: How much sugar does cost sprinkle on the brownies. Cost meant Cody

Given data:

Total of 4 cups

3/4 is sprinkled onto a plate of brownies

The rest onto a plate of lemon cookies

<em>Sugar sprinkled on brownies </em>= (3/4) * 4

<em>Sugar sprinkled on brownies</em> = 3 cups.

6 0
2 years ago
Which figures can the composite figure be broken into? A. a square pyramid and a square prism B. a square pyramid and a cube C.
kifflom [539]

Answer:

c

Step-by-step explanation:

the base dimensons of the bottom portion are not the same therefore it cannot be a cube. so it is c a triangular pyramid and square prism

7 0
3 years ago
Read 2 more answers
Please help me this is due in 20 min
Verdich [7]

Answer:

7.50 + 14P < 60; 24 slices

Step-by-step explanation:

8 0
3 years ago
rosa want to buy snacks at the snack stand. Snacks cost $2.50 each. write and solve an inequality to find the number of snacks r
Keith_Richards [23]

Answer:

18≤ 2.50x

because there is only so much money she is allowed to spend has to be less than or equal to 18

5 0
3 years ago
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