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iren2701 [21]
2 years ago
14

11) -9b^3 + 9b^2 + 2b

Mathematics
1 answer:
marin [14]2 years ago
7 0

Answer:

D. Cubic trinomial

Step-by-step explanation:

An equation for cubic trinomials look like this: Ax^3+bx^2+cx

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a trapezoid has base lengths of (6x-1) units and 3 units. Its midsegment has a length of (5x-3) units. What is the value of x?
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1. You have that:

 - The<span> lengths of the bases are (6x-1) units and 3 units.
 - The midsegment has a length of (5x-3) units.

 2. To solve this exercise, you must apply the formula for calculate the length of the midsegment of a trapezoid, which is shown below:

 Midsegment=Base1+Base2/2

 As you can see, the midsegment is half the sum of the bases of the trapezoid.

 3. When you substitute the values, you obtain:

 (5x-3)=[(6x-1)+3]/2

 4. Now, you can solve the problem by clearing the "x":
</span>
 (5x-3)=[(6x-1)+3]/2
 2(5x-3)=6x-1+3
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 4x=8
 x=8/4
 x=2
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3 years ago
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