3 years ago

Please help don’t understand question!

Mathematics

2 answers:

JulsSmile [24]3 years ago

4 0

Answer:

${ \sf{ - 2 {a}^{5} + 4 {a}^{4} + 5 {a}^{3} + \frac{2}{3}a }}$

Tom [10]3 years ago

3 0

Answer:

Step-by-step explanation:

A polynomial is in standard equation when the degree of the polynomial are in descending order.

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A right regular pentagonal prism has a base edge length 14 cm, and height 12 cm. Identify the volume of the prism to the nearest

maks197457 [2]

Answer:

4046.56 cm3

Step-by-step explanation:

The base is made by 5 isosceles triangles, with one side of 14 cm, and the opposite angle of $\frac{360} 5 = 72°$ . Each of the other angle is $\frac{180-72} {2} =54°$ . From there, you can calculate the height of each base triangle as in $\frac {h} 7 = tan54$ or 9.634...cm.