2 years ago

34. What is the side length of a cube with a volume of 3,520 cubic feet?

Mathematics

1 answer:

insens350 [35]2 years ago

5 0

11.5 because the formula is V=a³

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To measure the height of a tree, a surveyor walked a short distance from the tree and found the angle of elevation was 43.9°, th

padilas [110]

Answer:

The height of the tree is H = 77.06 m

Step-by-step explanation:

From Δ ABC

AB = height of the tree

$\tan 43.9 = \frac{AB}{BC}$

$\tan 43.9 = \frac{h}{x}$

h = 0.9623 x ------- (1)

From Δ ABD

$\tan 37.6 = \frac{h}{20+ x}$

h = 0.77 (x + 20) ----- (2)

Equating Equation 1 & 2 we get

0.9623 x = 0.77 (x + 20)

0.9623 x = 0.77 x + 15.4

x (0.1923) = 15.4

x = 80.08 m

Thus the height of the tree is given by

H = 0.9623 x

H = 0.9623 × 80.08

H = 77.06 m

Therefore the height of the tree is H = 77.06 m

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3 years ago

X^2+x-12=0 solve ASAP

zzz [600]

X^2+x-12=0 factors out into (x+4)(x-3) so the answer is: x=-4, x=3

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2 years ago

Jennifer is organising a street party. she needs to make 300 cakes. the recipe consist of : 50g icing, 150g butter, 120g caster

joja [24]

Answer:

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Step-by-step explanation:

300/12 x (weight of ingredient)

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3 years ago

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noname [10]

Answer:

288 is your answer. Your welcome

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3 years ago

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Pls help fast, appreciated

LenaWriter [7]

Answer:

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Step-by-step explanation:

$\frac{sin(90)}{12} = \frac{sin(35)}{x} \\\\x = 6.9$ solve for x

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3 years ago

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