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Andre45 [30]
3 years ago
12

Each paper tissue is 20cm long.How many metres of paper are needed to fill a box with 150 tissues?

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
8 0
150(number of tissues)*20(length of tissues) = 3000cm.(total length)

Then to convert it to meters...

1 meter = 100 cm.

3000 ÷ 100 = 30

So 30 meters of paper is needed.

Does that help?
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The variable Z is directly proportional to X. When X is 10, Z has the value 190.
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Work Out<br> 8^1/3 ÷ 5^-2
svp [43]
I believe the answer would be 50

explanation:

calculate
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3 years ago
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8 0
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To find the measure of ∠A in ∆ABC, use the___(Pythagorean Theorem, Law of Sines, Law of Cosines). To find the length of side HI
nadya68 [22]

<u>Part 1) </u>To find the measure of ∠A in ∆ABC, use

we know that

In the triangle ABC

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\frac{a}{sin\ A}=\frac{b}{sin\ B}=\frac{c}{sin\ C}

in this problem we have

\frac{a}{sin\ A}=\frac{b}{sin\ theta}\\ \\a*sin\ theta=b*sin\ A\\ \\ sin\ A=\frac{a*sin\ theta}{b} \\ \\ A=arc\ sin (\frac{a*sin\ theta}{b})

therefore

<u>the answer  Part 1) is</u>

Law of Sines

<u>Part 2) </u>To find the length of side HI in ∆HIG, use

we know that

In the triangle HIG

Applying the law of cosines

g^{2}=h^{2}+i^{2}-2*h*i*cos\ G

In this problem we have

g=HI

G=angle Beta

substitute

HI^{2}=h^{2}+i^{2}-2*h*i*cos\ Beta

HI=\sqrt{h^{2}+i^{2}-2*h*i*cos\ Beta}

therefore

<u>the answer Part 2) is</u>

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Answer:

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Step-by-step explanation:

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