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podryga [215]
3 years ago
8

The window in Mr. Rodriguez's attic is in two parts, each shaped like a trapezoid and each with identical dimensions.

Mathematics
2 answers:
MaRussiya [10]3 years ago
4 0

Answer and Step-by-step explanation:

First, ~multiply~base~and~height.~In~our~case~the~base~is~30~inches~and the~height~is~12~inches.Then,~we 'll~take~16~inches~and~multiply~it~with~12~inches

<u><em>So, it'll be :</em></u>

<u><em></em></u>30~inches × 12~inches =360~inches

16~inches × 12~inches=192~inches

Now,~that~we've~got~ 360 ~and~ 192~ as~ our~ answers ~we ~add~ them ~up..

<u><em>Like this :</em></u>

<u><em /></u>360+192=552<u><em /></u>

<u><em /></u>

<u><em /></u>And,~that's~our~final~answer!-522~in^2<u><em /></u>

GalinKa [24]3 years ago
4 0

Answer:

552 in²

Step-by-step explanation:

Total area = 2(trapezium)

= 2[½×(16+30)×12]

= 552 in²

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A pentagonal prism is cut by a plane perpendicular to the base. What is the shape of the cross section that is formed?
rewona [7]

Answer: A rectangle

Note: I am a bit confused between A), B), and C), but the answer I am going for is C).

Step-by-step explanation:

By definition, a cross-section is the intersection of a plane and a body of three dimensions.

A pentagonal prism has a pentagon as its base. and its lateral faces are rectangles.

If a plane perpendicular cuts the pentagonal prism to the base, this means that the plane is parallel to lateral faces, then, the shape of the cross-section that is formed is also a rectangle.

5 0
2 years ago
Rewrite the expression using a single, positive exponent: 14^-3x14^12
Alja [10]

Answer:

14⁹

Step-by-step explanation:

When you're multiplying, you add the exponents. So, -3+12=9.

6 0
3 years ago
Part A: The club has learned from experience over the years that when they do not charge an admission fee, attendance is 800 peo
sesenic [268]

Answer:

750

Step-by-step explanation:

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5 0
3 years ago
When you roast coffee, it loses 12% of its weight. how much fresh coffee do you need in order to get 14 2/25 lb of roasted coffe
Komok [63]

Answer:

16 lb of fresh coffee.

Step-by-step explanation:

Let  x pound be the  amount of fresh coffee needed.

100 - 12 = 88%  is equivalent to 14 2/25  of roasted coffee.

By proportion  x = 14 2/25  /  88/100

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= 35200 / 25 * 88

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6 0
2 years ago
The equation of line / is y=3x/a +5, where a is a positive constant. If the value of a in this equation is doubled, then the res
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The resulting equation will represent a line whose slope is 1/2 times the slope of the line

<h3>How to determine the slope of the new line?</h3>

The equation of the line is given as:

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The constant a is a positive constant.

So, when the value of a in the equation is doubled, we have:

y = 3x/2a + 5

A linear equation is represented as

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Where m represents the slope.

So, we have:

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m2 = 3/2a

Substitute m1 = 3/a in m2 = 3/2a

m2 = 1/2 * m1

Hence, the resulting equation will represent a line whose slope is 1/2 times the slope of the line

Read more about linear equation at:

brainly.com/question/14323743

#SPJ1

6 0
1 year ago
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