3 years ago

Find the volume of the pyramid shown. 18 cm 10 cm 10 cm Volume = cu. units

Mathematics

1 answer:

erik [133]3 years ago

5 0

It’s 600 because 18*10*10\3 is 600

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Step 1: Hannah + Francine = 120
Step 2: Hannah + Peter = 230
Step 3: Peter = 6 x Francie, which means "Hannah + 6xFrancine = 230

Step 4: from step 1, it ca be Francine = 120 - Hannah
Step 5: from step 3, Hannah + 6 x (120 - hannah) = 230
Step 6: -5 x Hannah + 720 = 230
Step 7: -5 x Hannah = -490
Step 8: Hannah = $\frac{-490}{-5}$
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kvasek [131]

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Step-by-step explanation:

Simple interest (I) is calculated as

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R = $\frac{96}{40}$ = 2.4%

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alekssr [168]

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Souvenir hats, T-shirts, and jackets are sold at a rock concert. Three hats, two T-shirts, and one jacket cost $140. Two hats, t

Sergio039 [100]

$Let \: x \: be \: the \: price \: of \: a \: hat, \: y \: be \: the \: price \: of \: a \: T-shirt, \: and \: z \: be \: the \: price \: of \: a \: jacket. \: We \: have \: a \: system \: of \: equations: \\ 3x + 2y + z = 140 \\ x + y + z = 85 \\ x + 3y + 2z = 180 \\ x = 15 \\ y = 25 \\ z = 45. \\ So \: the \: price \: of \: a \: hat \: is \: 15, \: a \: T-shirt \: is \: 25 \: and \: a \: jacket \: is \: 45.$

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