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2 years ago

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An isosceles trapezoid with bottom base 26.5 decimeters, top base 8.5 decimeters, and height 9 decimeters. Find the area. a. 238

.5 dm2 c. 157.5 dm2 b. 257.5 dm2 d. 315 dm2 Please select the best answer from the choices provided A B C

1 answer:

Tamiku [17]2 years ago

6 0

Answer:

I don't understand can you explain it differently?

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Perez’s Ski Shop made a profit of $32,000 last year. This year, the profits are 250 percent of last year’s profits. How much of

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2 years ago

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2 years ago

Find the missing side or angle.

Nina [5.8K]

Answer:

$a=4.1$

Step-by-step explanation:

The Law of Cosines is given as:

$a^2=c^2+b^2-2cb\cos A$ .

Plugging in given values, we get:

$a^2=4^2+2^2-2\cdot 4 \cdot 2\cos 78^{\circ},\\a^2=16+4-16\cos 78^{\circ},\\a^2\approx \sqrt{16.673},\\a\approx \fbox{$4.1$}$ .

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2 years ago

The cargo of the truck weighs less than 2,800 pounds. Use w to represent the weight (in pounds) of the cargo.

MakcuM [25]

Answer:

w < 2,800lb

Step-by-step explanation:

w weighs less than 2,800 pounds.

5 0

2 years ago

10. If ABCD is a kite, DB=48 in. and CE=7 in. find DC. *

Dmitry_Shevchenko [17]

Answer:

25 in.

Step-by-step explanation:

DEC is a right triangle. <DEC is a right angle.

(DE)² + (EC)² = (DC)²

DE = ½DB = ½(48 in.) = 24 in.

(24 in.)² + (7 in.)² = (DC)²

576 in.² + 49 in.² = (DC)²

(DC)² = 625 in.²

DC = 25 in.

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1 year ago