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All Questions
+0
230605 Questions
0
228
0
statistics
The mean of six numbers is 14. If one of the six numbers is removed, the mean becomes 5. What is the value of the number removed?
Guest
Mar 13, 2021
0
504
1
geometry
The diagram shows a triangle DEF inside a rectangle ABCD.
Show that that the area of triangle DEF is 11 cm^2.
read more ..
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Guest
Mar 13, 2021
0
271
3
help
How many different numbers between 1/1000 and 1000 can be written either as a power of 2 or as a power of $3$, where the exponent is an integer?
Hint: Remember that we're counting all possible numbers, not just integers.
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Guest
Mar 13, 2021
0
390
1
Help would be pretty appreciated
Let $A=(10,-10)$ and $O=(0,0).$ Determine the sum of all $x$ and $y-$coordinates of all points $Q$ on the line $y=-x+6$ such that $\angle OQA = 90^\circ.$
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Guest
Mar 13, 2021
0
448
1
trigonometry
A fitness trainer sets the incline on atreadmill to 7º. The walking surface is 5 feet (60 inches) long. Approximately how many inches did the trainer raise the end of the treadmill from the floor?
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Guest
Mar 13, 2021
0
309
0
right triangle geometry
What is the approximate value of b, rounded to the nearest tenth?
Guest
Mar 13, 2021
0
332
1
Help me please
If $3m+4n=47$, and $m+n=15$, what is $m$?
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Guest
Mar 13, 2021
0
401
1
word problem
Jerry is presently twice as old as his brother and six years older than his sister. How many years from now will Jerry's age be 1/2 of the combined ages of his brother and sister at that time?
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Guest
Mar 13, 2021
0
307
1
I'm stuck on this question please help!
The three heights of a triangle are 1/3, 1/4, and 1/5. What is its area?
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Guest
Mar 13, 2021
0
231
0
geometry
Circle O and circle P, with radii 3 and 8, respectively, are both tangent to line l at H. Enter all possible lengths of OP separated by commas.
Guest
Mar 13, 2021
0
378
1
geometry
Can anyone help with the first problem with the trapezoid? FInd angles x and y.
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Guest
Mar 13, 2021
0
236
0
quadratic formula/discriminant
If the roots of the quadratic equation 1/2*x^2 + 99x + c = 0 are x = -99 - sqrt(8101) and x = -99 + sqrt(8101), then what is the value of c?
Guest
Mar 13, 2021
0
496
1
help pleez!
The diagram shows triangle ABC. Work out the sizes of angles x, y, and z.
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Guest
Mar 13, 2021
+1
510
1
+55
PLS HELP
number 1 In the diagram below, the area of is 60. What is the length of side ?
read more ..
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Valencia
Mar 13, 2021
0
624
1
triangle STU
In triangle STU the measure of angle T is __ and the measure of angle U is ___
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Guest
Mar 13, 2021
0
372
1
quadratic formula/discriminant
There are two positive integers for which the equation
5x^2 + 13x + c = 0
has rational solutions. What is the product of those two values of c?
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Guest
Mar 13, 2021
0
305
1
Rationalize the denominator
Rationalize the denominator: sqrt(3/5).
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Guest
Mar 13, 2021
0
322
1
rationalizing denominators
Simplify and rationalize the denominator:
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Guest
Mar 13, 2021
0
382
2
triangle
Solve for x
The value of x is
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Guest
Mar 13, 2021
0
358
1
the triangle inequality
If you have 2 pieces of spaghetti that have lengths 4 cm and 10 cm, what could be the possible length of a third piece of spaghetti to complete the triangle? cm < x < cm
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Guest
Mar 13, 2021
0
374
1
domain and range
Find the largest value of c such that is in the range of f(x) = x^2 - 8x + c.
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Guest
Mar 13, 2021
0
350
1
parallel lines
Solve for x
The value of x that would make q || r is
read more ..
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Guest
Mar 13, 2021
+1
405
1
+55
help pls
1Two circles are drawn below. The diameter of the smaller circle is a radius of the larger circle. What is the ratio of the smaller circle's circumference to the larger circle's circumference?
Give your answer in fully simplified form. It should look
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Valencia
Mar 13, 2021
0
415
1
+177
please help...
A rectangle measures 6 centimeters by 25 centimeters. The probability that a point randomly chosen inside the rectangle is closer to a side of length 25 than a side of length 6 is , where and are relatively prime positive whole
read more ..
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TheGreatestOofman
Mar 13, 2021
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