Answer:
5d+3
Step-by-step explanation:
just as you combine regular numbers you can combine terms that have the same variable raised to the same exponent, and 7d-2d=5d. So the equation simplifies to 5d+3
Answer:
150:200
Step-by-step explanation:
You can simplify it too. 3:4
Answer: 175.929
Step-by-step explanation: To find the surface area you do
2π(4)(3)+2π(4²)=
π=3.14
π= the pi button on the calculator
I am not sure none of the answer choices are correct
Answer:
320 cm²
Step-by-step explanation:
If 3 units = 12cm
Then 1 unit = 12/3 = 4cm
Formula for Area Trapezoid = height*(base1+base2)/2
Base 1 = 12
Base 2 = 7 * 4 = 28
12 + 28 = 40
40 * (4*4) = 40 * 16 = 640
640 / 2 = 320
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-Chetan K
