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2 years ago

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I WILL MARK BRAINLIEST (PICTURE INCLUDED)A right triangle ABC is shown below: А 3 units B 5 units The area of the triangle above

will equal one half of a rectangle that is 5 units long and units wide. (Input only whole numbers, such as 8.)

1 answer:

nikitadnepr [17]2 years ago

4 0

Is it 3? this is a 3,4,5 triangle if that helps

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The triangular numbers are defined by the recursive formula t1 = 1, tn = tn - 1 + n, where n ∈N and n > 1. What are the first

GalinKa [24]

ANSWER

C) 1, 3, 6, 10, 15, 21, 28, 36, 45

EXPLANATION

The recursive formula is,

$t_1=1,t_n=t_{n-1}+n$

when n is a natural number greater than 1.

When n=2,

$t_2=t_{2-1}+2$

$t_2=t_{1}+2 = 1 + 2 = 3$

when n=3,

$t_3=t_{2}+2 = 3 + 3= 6$

when t=4,

$t_4=t_{3}+2 = 6+ 4= 10$

When t=5,

$t_5=t_{4}+5 = 10 + 5 = 15$

when t=6,.

$t_6=t_{5}+6 = 15 + 6 = 21$

when t=7

$t_7=t_{6}+7 = 21 + 7 = 28$

When t=8,

$t_8=t_{7}+8 = 28 + 8 = 36$

When t=9,

$t_9=t_{8}+9 = 36 + 9 = 45$

Hence the first nine triangular number are

C) 1, 3, 6, 10, 15, 21, 28, 36, 45

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2 years ago

What number or fractions are between 2/3 and 1 1/3

olganol [36]

To find the fraction inbetween,
1. Add up the 2 fractions
2 Divide it by 2

Step (!) Add them up:
2/3 + 1 1/3 = 2

Step (2) Divide the answer by 2:
2÷ 2 = 1

Answer: The number between 2/3 and 1 1/3 is 1.

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How to put 63 over 84 in simplest form

Tpy6a [65]

63/84 divided by 21/21
=3/4
or
63 divided by 84=0.75 which is the same thing as 3/4

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vova2212 [387]

Answer: the answer is (2,-4) if that's not the answer then can u post a full picture of the question

Step-by-step explanation:

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Taya2010 [7]

18.5/2.25 = 8.2222222.. So The Answer Is 8.

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3 years ago

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