4 years ago

4(d+2) What is rhe answer?

Mathematics

1 answer:

cluponka [151]4 years ago

4 0

The answer is 4d+8 you have to distribute!

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3 years ago

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3 years ago

Cos(7π/6)= a. 1/2 b.-1/2 c.√3/2 d.-√3/2 Help please?

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3 years ago

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3 years ago

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When making a book cover, Anwar adds an additional 20 square inches to the surface area to allow for overlap. How many square in

e-lub [12.9K]

Answer:

234 square inches

Step-by-step explanation:

We are given that

Length of book, l=11 in

Width of book, w=8 in

Height of book, h=1in

Additional area required to overlap=20 square inches

We have to find how many square inches of paper to make cover of one book.

We know that surface area of cuboid

$S=2(lb+bh+hl)$

Using the formula

Surface area of book

$S=2(11\times 8+8\times 1+1\times 11)$

$S=214 in^2$

Total paper used to make cover of one book

=Surface area of book +additional surface area

= $214+20$

$=234in^2$

Hence, Anwar will use paper to make cover of one book=234 square inches

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3 years ago