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Katena32 [7]
2 years ago
8

A. 55 b. 70 c. 110 d. 125

Mathematics
1 answer:
morpeh [17]2 years ago
7 0

Answer:

b

Step-by-step explanation:

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Evaluate the summation of 3 n plus 2, from n equals 1 to 14..
Ulleksa [173]
Summation of 3n + 2 from n = 1 to n = 14 = (3(1) + 2) + (3(2) + 2) + (3(3) + 2) + . . . + (3(14) + 2) = 5 + 8 + 11 + ... + 44 ia an arithmetic progression with first term (a) = 5, common difference (d) = 3 and last term (l) = 44 and n = 14
Sn = n/2(a + l) = 14/2(5 + 44) = 7(49) = 343

Therefore, the required summation is 343.
8 0
3 years ago
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Mrs. Wilson packed supply bags for her students to use in a science experiment. In each bag she put 3 rubber bands and 4 paper c
n200080 [17]

Answer:

64

Step-by-step explanation:

In each supply bag, Mrs. Wilson packed 3 rubber bands and 4 paper clips for her students.

Now, it is given that she had used 48 rubber bands.

Hence, there will be (48/3) =16 supply bags that had been used.

Now, in 16 supply bags, there will be (16×4) =64 paper clips.

Therefore, 64 paper clips that she had used. (Answer)

3 0
3 years ago
Factoring as a product of two binomials x2+10x+24
MrMuchimi

That can be factored to:

(x+6)(x+4)

5 0
3 years ago
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If m 1 = 30° and m = 20°, then m =
Alex
Answer: Then m = 10<span>°</span>
3 0
3 years ago
8 × 10 + 6 − 2 7 + 5 × 8 − 4
riadik2000 [5.3K]

Answer:

95

Step-by-step explanation:

(8)(10)+6−27+(5)(8)−4

=80+6−27+(5)(8)−4

=86−27+(5)(8)−4

=59+(5)(8)−4

=59+40−4

=99−4

=95

hope this helped :)

6 0
2 years ago
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