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3 years ago

7

Calvin packs boxes of greeting cards into a larger box. The volume of each box of greeting cards is 90 cubic inches. what is the

approximate volume of the large box?

1 answer:

kaheart [24]3 years ago

4 0

Well if you count there are 24 greeting card boxes and the voulme of each is 90 in^3 so it's 2160 in^3.

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When 31 times a number is increased by 40 the answer is the same as two 200 is decreased by the number

storchak [24]

$x-\ number\\\\
31x+40=200-x\ \ \ | add\ x\\\\
32x+40=200\ \ \ | subtract\ 40\\\\
32x=160\ \ \ \ | divide\ by\ 32\\\\x=5\\\\Number\ is\ 5.$

4 0

3 years ago

Find the degree measure of each angle of the triangle

Karo-lina-s [1.5K]

Answer:

51,51 and 78

Step-by-step explanation:

3x+9=4x-5

3x=4x-14

-x=-14

x=14

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2 years ago

Read 2 more answers

Express sin(3theta) in terms of sin (theta)

BigorU [14]

3∅ can be rewritten as (2∅+∅)
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Opening brackets on the right hand side;
= sin2</span>∅ cos ∅ + cos2∅sin<span>∅
</span><span>This simplifies to;
= 2sin</span>∅cos^2∅ + sin∅ (1- 2sin^2∅<span>)
= sin</span>∅ (2cos^2∅ + 1 - 2sin^2∅<span>)
= sin</span>∅ (2(1 - sin^2∅) +1-2sin^2∅<span>)
= 3sin</span>∅ - 4sin^3<span>∅</span>

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2 years ago

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Akram ed a busniess with rs 70000.After 3months Aslam joined the busniess with rs 40000 and after 6months Asghar also invested r

Crazy boy [7]

Answer:

11858 for akram

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6776 for asghar

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2 years ago

Increase £15837.77 by 18.5%

labwork [276]

if we take £15837.77 to be the 100% and we increase it by 18.5%, that'll be 100% + 18.5% = 118.5%.

$\begin{array}{ccll} \pounds&\%\\ \cline{1-2} 15837.77 & 100\\ x& 118.5 \end{array} \implies \cfrac{15837.77}{x}=\cfrac{100}{118.5} \implies (15837.77)(118.5)=100x \\\\\\ \cfrac{(15837.77)(118.5)}{100}=x\implies 18767.76\approx x$

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2 years ago