3 years ago

0.42 is 15% of what number

Mathematics

1 answer:

julia-pushkina [17]3 years ago

6 0

Answer:

2.8

Step-by-step explanation:

You have to divide 0.42 by 15%.

0.42 / 15% = 2.8

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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

6 millimeters = yards

sertanlavr [38]

6 millimeters equals 0.00656168 yards.

7 0

3 years ago

What is the area of this triangle?

trasher [3.6K]

Answer:

sorry I don't know buddy but have a nice day

Step-by-step explanation: