Isaacmulato123idn
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3B. Directions: Answer the following.
1. Mang Ave's avocado tree produces 3 more kilos of avocados than the previous
year. If 26 kilograms were harvested in the year 2015, how many kilos will it
produce in 2019? What is the total number of kilos of avocados that the tree will
produce from 2015 to 2019?
2. What is the sum of the first 6 even numbers?
3. What is the missing terms in the sequences 12,
72
4. Complete the pattern 8, 13,-,- 28, 33
5. What is the missing letter in the sequence A, E, G,
6. What is the missing terms in the sequence Z,_, Z, _ ZZ!
7. What is the sum of the first 12 odd numbers?
48,
8. Leni gets a starting salary of Php9,000.00 a month and an increase of Php500.00
annually. What will be her salary during the 3rd year?
9. Noli saved Php100.00 in June, Php200.00 in July, Php300.00 in August and so on
until December. In which month did he save Ph 500.00? How much did Noli save
for the seven months?
10. In a theatre, the first row has 8 seats, the second row has 10 and the third row has
12. If there are 10 rows in the theater, which row has 24 seats? How many seats
are there in all?​

Sagot :

C41992idn

Answer:

1. 35, 122

2.42

3. Incomplete statement

4. 18, 23

5. C

6.

7. 144

8. Php 9, 125 a month

9. October, Php 2,800

10. 12 SEATS

12. 9th row, 170seats

Explanation:

Arithmetic Sequence

Use equations:

An = A1 + (n-1)d

An = nth term

A1 = first term ,

n = number of terms

d = common difference

sum of terms of A sequence

Sn = (n/2)(A1 + An) or

Sn = (n/2)(2A1 + (n-1)d)

1. 2015-2019 (4years)

A4 = 26 + (4-1)3 = 35

S4 = (4/2)( 26 + 35) = 122

2. indicate the first term and last term

a1 = 2

a6 = 2 + (6-1)2 = 12

s6 = (6/2)(2+12) =42

3. just add the common difference to preceding term

13-8 = 5

33 -28 = 5

4

5. skippingterms

A,(B),C,(D),E,(F),G

6-12 same explanations

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