3 years ago

What is the area of the entire shape if the red trapezoid has an area of 1 square inch?

Mathematics

1 answer:

mr Goodwill [35]3 years ago

5 0

It would be 1 square inch. You can't make a trapezoid cause if you tried to it would turn into a square.

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Write an equation of the line that passes through the given points. (-1,5) and (2, - 7)

Vanyuwa [196]

Answer:

The equation of the straight line is 4x +y = 1

Step-by-step explanation:

Step(i):-

Given points are (-1,5) and ( 2,-7)

Slope of the line

$m =\frac{y_{2}-y_{1} }{x_{2} -x_{1} } =\frac{-7-5}{2-(-1)} = \frac{-12}{3} = -4$

slope of the line m = -4

Step(ii):-

The equation of the straight line passing through the point (-1,5) and having slope 'm' = -4

$y - y_{1} = m( x-x_{1} )$

y - 5 = -4 ( x-(-1))

y -5 = -4 x -4

4 x + y -5 +4=0

4x +y -1 =0

Final answer:-

The equation of the straight line is 4x +y = 1

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3 years ago

If a cone has a height of 5 cm and a volume of 128π cm³ find the diameter of the circular base.

Gemiola [76]

The volume of a cone with respect to its diameter is:

V=(hπd^2)/12 solving this for d we have:

d=√[(12V)/(hπ)], we are given that V=128π and h=5 so

d=√(1536π)/(5π)

d=√(1536/5)

d=√307.2 cm

d≈17.53 cm (to nearest hundredth)

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a square with side lengths of 6 cm is enlarged using a factor of 2.5. What will the perimeter and area of the enlarged square?

enot [183]

Answer:

Step-by-step explanation:

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kolbaska11 [484]

Answer: 6.8 feet

Step-by-step explanation:

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3 years ago