2 years ago

How to find the circumference for a 3 inch circle using 3.14 for pi

Mathematics

1 answer:

Vladimir79 [104]2 years ago

6 0

Answer: C is approximately 9.42.

Step-by-step explanation: the radius is 1.5 and the C formula is 2 x pi x r = 2 (3.14)(1.5)

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A carpenter is assigned the job of expanding a rectangular deck where the width is one-fourth the length. The length of the deck

leva [86]

Let the width be W, then the length is 4W (since the width is 1/4 the length)

The area of the original deck is $W*4W=4W^{2}$

The dimensions of the new deck are :

length = 4W+6
width=W+2

so the area of the new deck is :

$(4W+6)(W+2)= 4W^{2}+8W+6W+12= 4W^{2}+14W+12$

"<span>the area of the new rectangular deck is 68 ft2 larger than the area of the original deck</span>" means that we write the equation:

$4W^{2}+14W+12=68+4W^{2}$

$14W+12=68$

$14W=68-12=56$

$W= \frac{56}{14}= 4$

the length is $4W=4*4=16$ ft

Answer: width: 4, length: 16

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3 years ago

On Tuesday the mailman delivers 3 checks for $5 each and 2 bills for each .if you had a starting balance of $25 , what is the en

ycow [4]

5x3=15 25+15=40 40-10=30

6 0

2 years ago

Which statement is always true about a regular polygon?

polet [3.4K]

Answer:

All polygons have straight lines

Step-by-step explanation: