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Questions Answered

keith15:
Group Title
If m = 7x + 7, m = 5y, and m = 140, find the values of x and y
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

keith15:
Group Title
In the coordinate plane, three vertices of rectangle PQRS are P(0, 0), Q(0, b), and S(c, 0). What are the coordinates of point R?
(2…
 updated one year ago
 2 replies
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Mathematics

keith15:
Group Title
Given: The coordinates of isosceles trapezoid JKLM are J(b, c), K(b, c), L(a, 0), and M(a, 0).
Prove: The diagonals of an isosceles trap…
 updated one year ago
 1 reply
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Mathematics

keith15:
Group Title
If <1=<2 and <2=<4 , what property allows you to state that <1=<4 ?
…
 updated one year ago
 2 replies
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Mathematics

keith15:
Group Title
Classify the triangle by its sides. The lengths of the sides are 6, 8, and 8.
equilateral
…
 updated one year ago
 2 replies
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Mathematics

keith15:
Group Title
In sunlight, a vertical stick 6 ft tall casts a shadow 2 ft long. At the same time a nearby tree casts a shadow 14 ft long. How tall is th…
 updated one year ago
 7 replies
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Mathematics

keith15:
Group Title
Find the geometric mean of 125 and 5.
 updated one year ago
 23 replies
 1 Medal
Mathematics

keith15:
Group Title
The isosceles trapezoid is part of an isosceles triangle with a 54° vertex angle. What is the measure of an acute base angle of the trapezoi…
 updated one year ago
 1 reply
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Mathematics

keith15:
Group Title
Read the following statements.
1. Jon, Elizabeth, and Franco read 27 books among them for a class.
…
 updated one year ago
 1 reply
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Mathematics

keith15:
Group Title
The point of concurrency of the altitudes of a triangle is called the _____
centroid.
…
 updated one year ago
 3 replies
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Mathematics

keith15:
Group Title
Can you use the SSS Postulate or the SAS Postulate to prove ?
by SAS only
…
 updated one year ago
 3 replies
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Mathematics

keith15:
Group Title
Polygon ABCDE is congruent to polygon TVSRK. corresponds to _____
.
…
 updated 6 months ago
 2 replies
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Mathematics

keith15:
Group Title
In the diagram, . Which statement is true?
…
 updated one year ago
 3 replies
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Mathematics

keith15:
Group Title
What are the x and yintercepts for the graph of 5x – 2y = 20?
xintercept = 4
…
 updated one year ago
 3 replies
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Mathematics

keith15:
Group Title
. The sides of a ladder are parallel. Since the rungs are perpendicular to one side of the ladder, what conclusion can be made?
The …
 updated one year ago
 1 reply
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Mathematics

keith15:
Group Title
In a plane, line b is perpendicular to line f, line f is perpendicular to line g, and line h is parallel to line f. Which of the following…
 updated one year ago
 2 replies
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Mathematics

keith15:
Group Title
What must be true about the slopes of two perpendicular lines, neither of which is vertical?
The slopes are equal.
…
 updated one year ago
 3 replies
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Mathematics

keith15:
Group Title
What must be true about the slopes of two perpendicular lines, neither of which is vertical?
The slopes are equal.
…
 updated one year ago
 1 reply
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Mathematics

keith15:
Group Title
In a plane, if a line is _____ to one of two parallel lines, then it is perpendicular to the other.
skew
…
 updated one year ago
 8 replies
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Mathematics

keith15:
Group Title
Find the slope of a line parallel to .2y=6x+8
3
…
 updated one year ago
 12 replies
 1 Medal
Mathematics

keith15:
Group Title
In a plane, line b is perpendicular to line f, line f is perpendicular to line g, and line h is parallel to line f. Which of the following m…
 updated one year ago
 2 replies
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Mathematics

keith15:
Group Title
Which is the equation of the line with slope 3 that contains point (1, 5)?
y – 5 = 3(x + 1)
…
 updated one year ago
 10 replies
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Mathematics

keith15:
Group Title
In a plane, line b is perpendicular to line f, line f is perpendicular to line g, and line h is parallel to line f. Which of the following…
 updated one year ago
 2 replies
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Mathematics

keith15:
Group Title
Identify a counterexample for the following conditional:
If you live in Springfield, then you live in Illinois.
…
 updated one year ago
 8 replies
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Mathematics

keith15:
Group Title
Which biconditional is NOT a good definition?
A whole number is odd if and only if the number is not divisible by 2.
…
 updated one year ago
 1 reply
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Mathematics

keith15:
Group Title
Which statement is NOT true?
If x = 1, then x2 = 1.
…
 updated one year ago
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Mathematics

keith15:
Group Title
Use the Distributive Property to simplify (–5 – c)( –1).
–5 – c
…
 updated one year ago
 3 replies
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Mathematics

keith15:
Group Title
Identify the conclusion of the following conditional:
A number is divisible by 3 if the sum of the digits of the number is divisible by 3…
 updated one year ago
 11 replies
 3 Medals
Mathematics

keith15:
Group Title
Identify the conclusion of the following conditional:
A number is divisible by 3 if the sum of the digits of the number is divisible by 3…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

keith15:
Group Title
Which statement is the Law of Detachment?
If p implies q is a true statement and q is true, then q is true.
…
 updated one year ago
 1 reply
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Mathematics
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