3 years ago

What is the surface area of this triangular prism

Mathematics

2 answers:

Sav [38]3 years ago

6 0

Te estoy observando a través de tu ventana

Novosadov [1.4K]3 years ago

4 0

146 inchs is the answer

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trasher [3.6K]

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3 years ago

Find the area of the circle whose equation is x2+y2=6x-8y

Semenov [28]

Answer:

Given that the equation of a circle is :

$\green{ \boxed{\boxed{\begin{array}{cc} {x}^{2} + {y}^{2} = 6x - 8y \\ = > {x}^{2} + {y}^{2} - 6x + 8y = 0 \\ = > {x}^{2} + {y}^{2} + 2 \times ( - 3) \times x + 2 \times 4 \times y = 0 \\ \\ \sf \: standard \: equation \: o f \: circle \: is : \\ {x}^{2} + {x}^{2} + 2gx + 2fy + c = 0 \\ \\ \sf \: by \: comparing \\ \\ g = - 3 \\ f = 4 \\ c = 0 \\ \\ \sf \: radius \: \: r = \sqrt{ {g}^{2} + {f}^{2} - c } \\ = \sqrt{ {( - 3)}^{2} + {4}^{2} - 0 } \\ = \sqrt{9 + 16} \\ = \sqrt{25} \\ = 5 \: unit \\ \\ \bf \: area \: = \pi {r}^{2} \\ = \pi \times {5}^{2} \\ =\pink{ 25\pi \: { unit }^{2} }\end{array}}}}$

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3 years ago

A recipe for bread calls for 4 1/4 cups of flour. Which expression gives the number of cups of flour needed if you want to make

lubasha [3.4K]

We know that It calls for 4 1/4 of flour

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You need 14 7/8 cups of flour to make 3 1/2 batches
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