Response:
Volume of the trapezoidal prism = 15x^2 cubic units
Detailed explanation:
First, let’s calculate the area of the trapezoidal bases.
The lengths of the parallel sides are x and 2x, averaging to 1.5x.
The height stands at x
Consequently, area of the trapezoidal base comes out to be 1.5x * x = 1.5x^2
The volume of this prism is computed as area of the base multiplied by height
(the length is not a factor, but height certainly is)
Thus, 1.5x^2 * 10 yields 15x^2
Answer:
y = negative four-thirds x + StartFraction 31 Over 3 EndFraction
y = 2 x + 7
Step-by-step explanation:
Let x denote the smaller number and y denote the larger number.
Part 1
The equation presented indicates that four times some number added to three times a larger number equals 31.
This translates to:
From here, solving for y yields:
- 4x + 3y=31 ⇒ 3y= -4x+31 ⇒ y= (-4x+31)/3 = - 4/3x + 31/3
⇒ y= - 4/3x + 31/3
This indicates the correct response for this scenario:
y = negative four-thirds x + StartFraction 31 Over 3 EndFraction
Part 2
The statement that seven subtracted from the larger number equals twice the smaller number translates to:
y-7= 2x
Further, solving for y yields:y-7= 2x ⇒
y= 2x+ 7
The correct answer for this equation is:
y = 2 x + 7
The work is illustrated and shown.
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