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mrs_skeptik [129]
3 years ago
5

If the area of a trapezoid is 28 m with a height of 14 m in with one of the base being 1 m to find the length of the second face

Mathematics
1 answer:
In-s [12.5K]3 years ago
4 0
The area of a trapezoid is basically the average width times the altitude, or as a formula:
Area = h ·

b 1 + b 2
2


where
b1, b2 are the lengths of each base
h is the altitude (height)
Recall that the bases are the two parallel sides of the trapezoid. The altitude (or height) of a trapezoid is the perpendicular distance between the two bases.

In the applet above, click on "freeze dimensions". As you drag any vertex, you will see that the trapezoid redraws itself keeping the height and bases constant. Notice how the area does not change in the displayed formula. The area depends only on the height and base lengths, so as you can see, there are many trapezoids with a given set of dimensions which all have the same area.
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A college bookstore marks up the price that it pays the publisher for a book by 40 %. If the selling price of a book is $ 81.00
KengaRu [80]

Answer:

32.40

Step-by-step explanation:

81 x 40% =48.60

81. -48.60 = 32.40

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3 years ago
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Kay [80]
The mistake is that that is an equilateral triangle with the same answer for each side which is 6 so AC=6 BC=6 BA=6 all sides equal 6
3 0
3 years ago
Sorry for bad quality. First to answer gets brainliest
ivann1987 [24]

Answer:

Option C = 335.5 in²

Step-by-step explanation:

Area of triangle = (1/2)×b×h

= (1/2)×a×a

= (1/2)×11×11

=60.5 in²

Area of rectangle = l×b

= b×a

= 25×11

= 275 in²

Area of pencil = Area of triangle + Area of rectangle

=60.5 + 275

335.5 in²

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3 years ago
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Rewrite f(x)=x2+8x-20 in the form that would most easily help you identfiy the zeros of the function
den301095 [7]

Answer:

f(x) = (x+ 10)(x - 2)

Step-by-step explanation:

We want to rewrite

f(x) =  {x}^{2}  + 8x - 20

in the form that would most easily help you identfiy the zeros of the function.

This the same as writing in factored form.

f(x) =  {x}^{2}  + 10x - 2x - 20

Factor by grouping:

f(x) =  {x}(x+ 10)- 2(x  + 10)

Factor further to get:

f(x) = (x+ 10)(x - 2)

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Westkost [7]

Answer: The answer is 52 cm




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