The exterior angles of a quadrilateral have measures of 72°, 58°, 2xº, and 3xº. Find the value of x.x=
Answers
Answer:
46
Step-by-step explanation:
72 + 58 + 2x + 3x = 360
5x = 230
x = 46
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Answers
Answer:
b = 60°
Step-by-step explanation:
If you look at the side under the 30° angle, there's a small red box, signifying a right (90°) angle. Doing the math, then, you would do:
90 = 30 + b
b = 60
60° if im not mistaken. the right angle is 90° and 30°+b is also 90° as 180°-90°=90°. therefore 90°-30°=60°. hope it helped!
Answers
Answer:
6
Step-by-step explanation:
Tanx =opposite/adjacent
tanx=6/1=6
Answers
let the no. of boys be x
so no of girls = 250+x
so, x:(250+x) = 2:7
x/(250+x) = 2/7
7x = 500+2x
7x-2x = 500
x = 500/5 =100
b. 3/10
c. 10/3
d. 4/5
Answers
c) 10/3 is the improper fraction.
10/3 is simplified into 3 1/3.
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nbarrera
Algebra Help Please! anyone! Will MEDAL!
Which argument is valid?
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A. If a polygon is a square, it has four right angles.
If a polygon is a rectangle, then it has four right angles.
If a polygon is a rectangle, then it is a square.
B. If a number is divisible by 12, then it is divisible by 6.
If a number is divisible by 6, then it is divisible by 2.
If a number is divisible by 12, then it is divisible by 2
C. If it is a dog, then it barks.
If it has a tail, then it is an animal.
If it is a dog, then it barks and has a tail.
D. If an animal can swim, then it has fins.
If an animal is a fish, then it has fins.
If an animal can swim, then it is a fish.
Answers
A). is a syllogism with an undistributed middle. That makes it false.
B). is valid.
C). is quasi-logical nonsense.
D). is another defective syllogism. False.
B) V = 4x3 + 4x2 + 5x
C) V = 4x3 + 4x2 + 15x
D) V = 4x3 + 16x2 + 15x
Answers
V = x(2x + 3)(2x + 5)
V = x(2x(2x + 5) + 3(2x + 5))
V = x(2x(2x) + 2x(5) + 3(2x) + 3(5))
V = x(4x² + 10x + 6x + 15)
V = x(4x² + 16x + 15)
V = x(4x²) + x(16x) + x(15)
V = 4x³ + 16x² + 15c
The answer is D.