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3 years ago

11

Which of the given solids is not an example of a polyhedron? Question 1 options: A) Cuboid B) Right cylinder C) Triangular pyram

id D) Cube

1 answer:

lana [24]3 years ago

7 0

Answer:

B) Right Cylinder

Step-by-step explanation:

A polyhedron has all flat surfaces, a cylinder has a curved side

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3 years ago

At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.

riadik2000 [5.3K]

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$ $$2.25$

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Let $b =$ the cost of one brownie, $c =$ cost of one cookie

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To find the value of $b$ , use substitution:

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$b = 3.95-2c$

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$= 2.25$

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