3 years ago

3,5,8,12....... state the rule in the sequence

1 answer:

amm18123 years ago

8 0

2n + 1

the number before n is the difference (what it goes up in), and the second is the ‘zeroth’ term: you take away the 2 you got from the first value, 3, and get 1 :)

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Not sure how to complete #14

pashok25 [27]

14. Add the line times the outside number
X(X+4)= (2√3)^2
X^2+4X= 4√9
X^2+4X= 4times 3
X^2+4X=12
X^2+4X-12=0
(X+6)(X-2)=0
X=-6 X=2
Answe can't be negative so it's X=2

3 0

3 years ago

The baby weighed 7.25 pounds at birth.At the end of 8 months the baby weighed 2 1/2 times its birth weight .How much does the ba

garri49 [273]

Weight at 8 months = 7.25 x 2 1/2
= 7.25 x 5/2
= 7.25 x 2.5
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The baby weighs 18.125 pounds at eight months.

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3 years ago

What is six hundred eighty one million, seven hundred thousand in digit

Natasha2012 [34]

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3 years ago

A rectangle measures 2 4/ 5 inches by 1 1/ 5 inches. What is its area?

AlexFokin [52]

[ Answer ]

$\boxed{3\frac{9}{25} }$

[ Explanation ]

Area Of Rectangle: Length * Width

2 4/5 * 1 1/5

=======================

Convert Fractions Into Mixed Numbers:

2 4/5 = 14/5

1 1/5 = 6/5

Multiply Across:

14 * 6

5 * 5

= 84/ 25

Simplify:

3 9/25

$\boxed{[ \ Eclipsed \ ]}$

4 0

3 years ago

together Charlotte and vinny have 20 marbles. charlotte has 4 times as many as vinny. how many marbles does Charlotte have.

nadya68 [22]

Answer:

Step-by-step explanation:

20 divided by 4 is 5

5 0

3 years ago

3,5,8,12....... state the rule in the sequence​

3,5,8,12....... state the rule in the sequence