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vichka [17]
3 years ago
15

Evin is building a tower out of paper cups. In each row (counting from the floor up) there are two less cups than the row below

it. The first row has 26 cups in it.
(a) state the number of cups in the second, third and fourth rows. [already did it]

(b) give a RECURSIVE definition for this arithmetic sequence.

PLEASE HELP ITS WORTH 20 PTS
Mathematics
1 answer:
Stells [14]3 years ago
8 0
What does recursive mean.?
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Solve the inequality <br><br>2b + 5&lt; 30
gtnhenbr [62]

Answer:

b < 12.5

Step-by-step explanation:

2b + 5 < 30

1. Subtract 5 from both sides:

2b < 25

2. Divide both sides by 2:

b < 12.5

Final answer: b < 12.5

The value of b is any value that is less (smaller) than 12.5.

Hope this helps!

8 0
2 years ago
I dont know what to do... im kinda not smart
myrzilka [38]

7.

10% = 6

25% = 15

50% = 30

20% = 12

_____________________

8.

a = 35

b = 105

c = 140

____________________________

9.

15 is 30% of 50.

_____________________________

10.

The punch recipe contains 25% lemonade:

24/6 = x/100

x=1/4 x 100 = 25%

_____________________________

11.

520

multiply 650 by 80 amd then divide by 100

or simply multiply 650 by 0.8

to get 520 students.

_______________________________________

12.

Number of items checked = 300

Defective items = 3%

Number of defective items =

Number of defective items =

Number of defective items = 9

Number of items worked = Total items - Number of defective items

Number of items worked = 300 - 9 = 291

291 items of checked items worked.

8 0
3 years ago
Negative Exponents- All of the following expressions are equal except _____.
UNO [17]

7 is not equal to the others

using the laws of exponents

7^{2} / 7^{3} = 1 / 7^{3-2} = \frac{1}{7}

7^{-1} = \frac{1}{7}

Apart from 7 the other 3 all equal \frac{1}{7}





4 0
3 years ago
PLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZPLZ!!!!!
Semmy [17]

Answer: 410526 books

Step-by-step explanation:

Let x equal the total number sold.

x × 0.076 = 31,200

x = 410526 books

5 0
2 years ago
Find the next number in the following sequences
spin [16.1K]
Not sure about the others but
b) 8,192
the pattern is multiplying by 8 each time for b
4 0
2 years ago
Read 2 more answers
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