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Pavel [41]
2 years ago
7

Geometry help PLEASE!!!! 20 POINTS HELP!!’

Mathematics
1 answer:
jonny [76]2 years ago
3 0

Answer:

x = 12

Step-by-step explanation:

CDEF is a cyclic quadrilateral.

• the opposite angles of a cyclic quadrilateral sum to 180° , then

3x + 6x + 72 = 180

9x + 72 = 180 ( subtract 72 from both sides )

9x = 108 ( divide both sides by 9 )

x = 12

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One side of a kite is 5 cm less than 2 times the length of another. If the perimeter is 14 cm, find the length of each side of t
Phoenix [80]
<h3>Answer:</h3>

D) 4 cm, 3 cm

<h3>Step-by-step explanation:</h3>

Let x represent the length of "another" side. Then "one side" can be represented by (2x -5 cm).

The perimeter of the kite is the sum of two sides of each length:

... P = 14 cm = 2(x) + 2(2x -5 cm)

Dividing by 2 and collecting terms, we have ...

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7 0
3 years ago
Regina owns a book store. She sold 87, 94, 91, and 84 books on the first 4 days of this week. Regina wants to have a mean of 90
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Answer:

If Regina wants a mean of 90, she needs to sell 94 books on the 5th day.

3 0
2 years ago
if two dice are thrown together , what is the probability of getting an even number on one die and odd number on the other die ?
Veronika [31]

Answer:

1/2

Step-by-step explanation:

the probability of the die rolling an even number  =  the probability of the die rolling an odd number  =1/2

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A  rolls even and  B  rolls odd. The probability of this happening  =1/2×1/2

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Answer:

$36.01

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133.57-97.56=36.01

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3 years ago
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