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lubasha [3.4K]
2 years ago
10

Please help! Using the Pythagorean theory with rectangles!

Mathematics
1 answer:
yaroslaw [1]2 years ago
8 0
GE = 41
A^2+B^2=C^2
(40)^2 + (9)^2 = 1681

1681=C^2
Find the square root of 1681 and get 41
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Asking again because last time I didnt get an actual answer. What is the surface area of this composite figure?
Katyanochek1 [597]

Answer:

644 cm^2

Step-by-step explanation:

10*7*2+12*7*2+12*10=140+168+120=428

10*12-3*3=111

428+111=539

8*3*4+3*3=96+9=105

539+105=644

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2 years ago
In circle C, r = 32 units.
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Answer:

the area of a circle is \pirsqr

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Step-by-step explanation:

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2 years ago
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The following data shows wind speed in a city, in miles per hour, on consecutive days of a month:
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9.1, 9.2, 9.2, 9.3, 9.4, 9.4, 9.4, 9.6, 9.7, 9.7, 9.8

The box-plots uses a 5-number summary. The minimum value, then Q1 which is the media of the lower half of the set, Q2 which is the median of the total set, Q3 which is the median of the upper half of the set, and Q4 which is the highest number. Among the choices, the correct answer is B.</span>
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3 years ago
Do you know the longest English word that can be spelled without repeating any letter
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Answer:

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Step-by-step explanation:

4 0
3 years ago
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The polynomial x 3 + 5x 2 - ­57x -­189 expresses the volume, in cubic inches, of a shipping box, and the width is (x+3) in. If t
Ipatiy [6.2K]
V=x^3+5x^2-57x-189
Width: W=(x+3) in = 15 in →x+3=15
Solving for x:
x+3-3=15-3→x=12

With x=12 the Volume would be:
V=(12)^3+5(12)^2-57(12)-189
V=1,728+5(144)-684-189
V=1,728+720-684-189
V=1,575

V=W*D*H
Depth: D
Height: H
with H>D

V=1,575; W=15
Replacing in the equation above:
1,575=15*D*H
Dividing both sides by 15
1,575/15=(12*D*H)/15
105=D*H
3*5*7=D*H
D<H
If D=5→H=3*7→H=21
If D=7→H=3*5→H=15

Answer: Option <span>C. height: 21 in. depth: 5 in.
</span>
Please, see the attached file for another form to solve the problem

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3 years ago
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