Find the area of the shape above ?

Mathematics

2 answers:

Alika [10]3 years ago

8 0

The shape is a polygon called a trapezoid. The trapezoid has two parallel sides. The bottom parallel side measures 2 units. The upper parallel side measures 2 + 2 + 2 = 6 units. The perpendicular to the bases is the height; it measures 2 units.

Area of trapezoid:

A = (B + b)h/2

where B = length of one base

b = length of other base

h = length of height

A = (6 + 2)(2)/2

A = 8

Answer: 8 units^2

Juli2301 [7.4K]3 years ago

4 0

Area of triangle = A(t) = 1/2(base x height)

Area of square = A(s) = base x height

A(s) = 2 x 2 = 4

2(A(s)) = 2(1/2(2)(2) = 2(1/2(4)) = 2(2) = 4

Add the two areas together

4 + 4 = 8

8 units² is your answer

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Given functions f(x)=3x^2, g(x)= x^2-4x+5, and h(x)=-2x^2+4x+1 Rank them from least to greatest

Sindrei [870]

Ok, ranked by axis of symmetry

basically x=something is the axis of symmetry
the way to find the axis of symmetry is to convert to vertex form and find h and that's the axis of symmetry

but there's an easier way

for f(x)=ax^2+bx+c
the axis of symmetry is x=-b/2a
nice hack my teacher taught me

so

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axis of symmetry is -4/(2*-2)=-4/-4=1, x=1 is the axis of symmetry for h(x)

0<1<2
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3 years ago

Suppose you bought D DVD's and B Books. If each DVD cost $14.95 and each book you bought off the 'specials' table cost $6.95, wr

Doss [256]

Answer:

14.95D + 6.95B

Step-by-step explanation:

Well a simple expression would make D the amount of DVD's you bought and B the amount of Books purchased.

In simple cases the prices don't change depending on that amount so you can multiply them by making it 14.95D and 6.95B.

Making the expression 14.95D + 6.95B.

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3 years ago