3 years ago

Daisy received $2 on her first birthday. Each year, the amount of money she received

Mathematics

2 answers:

snow_tiger [21]3 years ago

5 0

Answer:

$162

Step-by-step explanation:

$2 × 3

$6 × 3

$18

$18 × 3

$54

$54 × 3

$162

laiz [17]3 years ago

4 0

Answer:

a1 is 2.

Step-by-step explanation:

a1 is the first value is an arithmetic or geometric sequence.

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48million squared.........

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2.304e+15

Step-by-step explanation:

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3 years ago

1. 26% of students at a school own a dog, 22% own a cat and 6% own both. What proportion of

jekas [21]

I believe the answer is 42 % which would be .42

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3 years ago

A cement walkway of uniform width has been built around an in-ground rectangular pool. the area of the walkway is 1344 square fe

Elza [17]

Answer:

6 feet.

Step-by-step explanation:

Dimensions of the Pool =80 feet long by 20 feet wide

Area of the walkway =1344 square feet.

If the width of the walkway=w

Length of the Larger Rectangle =80+2w
Width of the Larger Rectangle =20+2w

Area of the Walkway =Area of the Larger Rectangle - Area of the Pool

$1344=(80+2w)(20+2w)-(80*20)\\1344=80*20+160w+40w+4w^2-80*20\\4w^2+200w=1344\\4w^2+200w-1344=0\\We factorize\\4(w^2+50w-336)=0\\4(w^2-6w+56w-336)=0\\w(w-6)+56(w-6)=0\\(w-6)(w+56)=0\\w-6=0$ or $ w+56=0\\w=6$ ft or $ w=-56$ \\Therefore, the width of the walkway , w=6 feet.$