3x squared - 2y + 5 when x equals two and y equals 4

Mathematics

2 answers:

cupoosta [38]4 years ago

7 0

Answer:

Step-by-step explanation:

3(2)^2 - 2(4) + 5

6^2 - 8 + 5

36 - 8 + 5

36 - 13

If my math is correct, then the answer should be 23 according to these steps. Hope this helps.

loris [4]4 years ago

5 0

Answer:

Step-by-step explanation:

x squared is 2 squared which is 4 then you multiply 4 with 3 which is 12 then since y is 4, 2 times 4 is 8 then 12-8=4 and 4+5=9

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A wedge of cheese in the shape of a triangular prism has lengths of 10 cm, 13 cm, and 13 cm for its triangular sides. The perpen

Rina8888 [55]

Answer:

480 cubic cm.

Step-by-step explanation:

We have been given that a wedge of cheese in he shape of a triangular prism has lengths of 10 cm, 13 cm, and 13 cm for its triangular sides. The perpendicular distance from the 10 cm side to the point of the wedge is 12 cm. The height of the wedge is 8 cm.

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