dokolo54
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Questions Answered

dokolo54:
Group Title
Find the volume of a sphere with diameter 8 mm.
…
 updated one month ago
 5 replies
 1 Medal
Mathematics

dokolo54:
Group Title
Find the height of a square pyramid with volume 102 m3 and dimensions of base are 6.5 m by 6.5 m.
…
 updated 2 months ago
 3 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
What is the yvalue of sin(x) when x = 90°?
 updated 2 months ago
 5 replies
 1 Medal
Mathematics

dokolo54:
Group Title
What is the equation of the circle with center at (2, 4) and radius of 6?
 updated 2 months ago
 2 replies
 1 Medal
Mathematics

dokolo54:
Group Title
What is the general equation of a circle centered at the point (h, k)?
 updated 2 months ago
 5 replies
 3 Medals
Mathematics

dokolo54:
Group Title
Write an equation of a line in point slope form that has a slope of 3 and passes through the point
(3, 4)
 updated 3 months ago
 8 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
Write the equation of a line in point slope form that has a slope of 3/4 and passes through the point
(4, 5).
…
 updated 3 months ago
 9 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
What is T(6, 5) (1, 2)?
…
 updated 3 months ago
 8 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
True or False
The image of a translation is always congruent to the preimage.
…
 updated 3 months ago
 3 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
The length of a rectangle is 9 in and is dilated to 6 in. What is the scale factor?
A. 3/2
B. 3
…
 updated 3 months ago
 3 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
True or False
When point B (5, 1) is rotated 180º about the origin, its coordinate becomes (5, 1).
…
 updated 3 months ago
 3 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
True or False
When point E (9, 3) is rotated 180° about the origin, its coordinate becomes (3, 9).
…
 updated 3 months ago
 17 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
True or False
When point B (5, 1) is rotated 180º about the origin, its coordinate becomes (5, 1).
…
 updated 3 months ago
 6 replies
 1 Medal
Mathematics

dokolo54:
Group Title
True or False
When point E (9, 3) is rotated 180° about the origin, its coordinate becomes (3, 9).
…
 updated 3 months ago
 7 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
Define rotation
A. A rotation is a type of transformation that can be defined as turning an image across a line or a point.
B. A rotation…
 updated 3 months ago
 11 replies
 3 Medals
Mathematics

dokolo54:
Group Title
Two triangular roofs are similar. The ratio of the corresponding sides of these roofs is 2:3. If the altitude of the bigger roof is 7.5 feet…
 updated 3 months ago
 8 replies
 2 Medals
Mathematics

dokolo54:
Group Title
True or False
The surface area of the pyramid with square base that measures 8 ft by 8 ft and slant height of 12 ft is 256 ft2.
…
 updated 3 months ago
 2 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
True or False
The domain of f(x) = sin(x) is all real numbers. The range of f(x) = sin(x) is
…
 updated 3 months ago
 3 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
True or False
…
 updated 3 months ago
 2 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
True or False
The yvalue of y = tan(x) when x = 90° and x = 90° is 0.
 updated 3 months ago
 3 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
Triangle ABC is located at A(4, 5), B (4, 1), and C(1,1). A translation of the triangle is located at A’(2, 8), B’(2, 2), and C’(1, 4)…
 updated 3 months ago
 2 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
For what value(s) of x does cos(x) = 0?
A. 270°
…
 updated 3 months ago
 7 replies
 1 Medal
Mathematics

dokolo54:
Group Title
True or False
The yvalue for y = cos(x) when x = 90° is 0.
 updated 3 months ago
 2 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
What is a reflection?
A. A reflection is a type of transformation that can be defined as an image rotated around a point.
…
 updated 3 months ago
 7 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
Estimate the length of the radius, if the area of a circle is 750 mm2.
A. 19.78 mm
B. 23.87 mm
…
 updated 3 months ago
 12 replies
 1 Medal
Mathematics

dokolo54:
Group Title
Write the standard equation of the circle with center (3, 5) and a diameter of 10.
A. (x + 3)2 + (y – 5)2 = 25
B. (x + 3)2 + (y – 5)2 = 1…
 updated 3 months ago
 7 replies
 1 Medal
Mathematics

dokolo54:
Group Title
How are ratios and proportions related?
A. A proportion is the comparison of two ratios.
B. A ratio is the comparison of two proportions.
…
 updated 3 months ago
 3 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
The sine of 38 degrees is equal to 0.616, rounded to the nearest thousandth. What is the measure of an angle whose cosine is also equal to…
 updated 4 months ago
 14 replies
 2 Medals
Mathematics

dokolo54:
Group Title
Michael can mow a 250 ft2 lawn in one and a half hours. How long will it take Michael to mow his church’s 800 ft2 lawn? Round to the nearest…
 updated 4 months ago
 5 replies
 No Medals Yet
Mathematics

dokolo54:
Group Title
True or False
The yvalue for y = cos(x) when x = 90° is 0.
…
 updated 4 months ago
 5 replies
 1 Medal
Mathematics
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