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xeze [42]
3 years ago
8

Which description does NOT guarantee that a quadrilateral is a rectangle?

Mathematics
1 answer:
grandymaker [24]3 years ago
7 0
The answer would be : A parallelogram with congruent sides does NOT guarantee that a quadrilateral is a rectangle  
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Which attribute matches the given triangle? Column A Column B 1. isosceles triangle 2. obtuse triangle 3. equilateral triangle 4
polet [3.4K]
Isosceles - Has at least two equal sides. (B)
Obtuse Triangle - Must have an obtuse angle. (D)
Equilateral Triangle - All sides should be equal. (Missing an answer?)
Right Triangle -Must include a 90 degree angle. (A)
Scalene Triangle - Has NO equal sides. (C)

Tell me if this helped.
6 0
3 years ago
Can you tell what is the answer to this math problem ?
Marrrta [24]
X^2-18 = 3x

x^2 - 3x - 18 = 0

(x-6)(x+3) = 0

x = {-3,6}

So -3 is the answer
3 0
3 years ago
The graph below represents the price of sending text messages using the services of a phone company. What is the constant of pro
Misha Larkins [42]

Answer:

8

Step-by-step explanation:

The equation is of the form

y = kx ← k is the constant of proportionality

To find k use the slope formula

k = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (0, 0) and (x₂, y₂ ) = (2, 16) ← 2 points on the line

k = \frac{16-0}{2-0} = \frac{16}{2} = 8

4 0
3 years ago
Read 2 more answers
A 270 feet escalator is leaning against a wall and makes a 53 angle with the floor. How high does the escalator reach the wall
r-ruslan [8.4K]

Answer:

x=215.63 ft

Step-by-step explanation:

sin(53)=x/270

x=270sin(53)

x=215.63 ft

5 0
3 years ago
A.28.0<br><br> B.19.8<br> C.14.0<br><br> D.3.7
Lady_Fox [76]
Sin(angle) = opposite leg / hypotenuse

Sin(45) = Opposite leg / 28

Opposite Leg = 28 * Sin(45)

Opposite Leg = 14 SQRT(2) = 19.8


7 0
3 years ago
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