2x + 3x = 100
5x=100
x=100/5
x= 20
Therefore, 2x=2×20=40
3x=3×20=60
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Answer:
"In math, a cube is a number multiplied by itself three times. The cube of 2 is 8 (2 x 2 x 2). It is also a three-dimensional shape where each of the six sides is a square or something shaped like a cube, such as an ice cube or meat cut into cubes)."
Step-by-step explanation:
Answer:
The vertex of the parabola is at equal distance between focus and the directrix. If F is the focus of the parabola, V is the vertex and D is the intersection point of the directrix and the axis of symmetry, then V is the midpoint of the line segment ¯FD
Step-by-step explanation:
answer 3rd
Lateral surface area is different then regular surface area. It is the area of the faces that are not the bases. In this case there is 4 square faces that are not the bases. So...
144/4=36, then take sqrt to get 6 edge length.
Answer:
10 gallons of paint are needed
Step-by-step explanation:
If 1/5 gallon is 2/25 of the shed then 1 full gallon is 10/25 because 5 times 2 equals 10. So if 1 gallon is 10/25 then 2 gallons is 20/25 leaving 5/25 left of the first shed. 5 divided by 2 is 2.5, so therefore, it takes 2 gallons and 2.5/5 or 2.5 gallons simplified to paint one shed. Multiply 2.5 by 4 because you need to paint 4 sheds and that gives you 10.
