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Post New Question
All Questions
+0
234777 Questions
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518
2
help!
20% of the girls in class have blonde hair. 16 girls do not have blonde hair. How many total students?
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Guest
Jan 22, 2021
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289
0
when cos^2 ø = 1/3 what does øequel
when cos^2 ø = 1/3 what does ø equel
Guest
Jan 22, 2021
0
471
2
Math
The circle below has a 144 degree central angle cut out and removed. The remaining sector of the circle is formed into a cone by connecting points A and B from the original circle. The radius of the original circle is 10 cm. What is the volume of the
read more ..
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Guest
Jan 22, 2021
0
515
1
+69
Given that f(x)= (1/ 𝝅 ) x , what is the range of f(x) on the interval [0,∞) ?
Given that f(x)= (1/𝝅)x, what is the range of f(x) on the interval [0,∞)?
Give your answer in interval notation.
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ddocm
Jan 22, 2021
0
350
0
Find the set of all z
Find the set of all z such that neither 2+z nor 2-3z is in the interval (-1,2]. Express your answer as an interval or as a union of intervals.
Guest
Jan 22, 2021
0
274
0
How do I find the slope passing through two points (-7,-4) and (8,8)
How do I find the slope passing through two points (-7,-4) and (8,8)
Guest
Jan 22, 2021
0
293
0
distance
The distance between the points (x,21) and (4,7) is 10sqrt(3) Find the sum of all possible values of x.
Guest
Jan 22, 2021
0
433
1
What is 16=?\4
What is 16=?\4
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Guest
Jan 22, 2021
0
292
0
How many ordered pairs
How many ordered pairs (x,y) of positive integers satisfy the inequality 4x + 5y < 200?
Guest
Jan 22, 2021
0
281
0
Angles on a straight Line
A, O and B lie on a straight line segment where
A=24,B=40,C=31
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Guest
Jan 22, 2021
0
294
0
Please Help! Permutations and Combinations
The number of different permutations using all of the 1-digit numbers of a set is given by 7!/(3!2!)
a) What is the smallest number that can be created that meets these conditions? Explain your reasoning.
b) What is the
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Guest
Jan 22, 2021
0
449
1
need some help
Kim just purchased a skateboarding ramp. The ramp is 34 inches long and the lenght of the base of the ramp is 30 inches as shown below. What is the height of the ramp? (use a calculator to square and subtract)
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Guest
Jan 22, 2021
0
530
4
Translate standard form to slope intercept form or General form and vice versa
1.2y=-16x+10
2. y= 2x+6
3. 5x-6y=30
4. 3x+2y=-4
read more ..
TC072
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Guest
Jan 22, 2021
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410
1
need help with solution
Find all x that satisfy the equation
\[ \sqrt{2x+1} + \sqrt{x-3} = 2\sqrt x.\]
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Guest
Jan 22, 2021
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431
1
geometric problem
The figure shows two squares of sides 9 and 3, respectively. Find the area of the black region.
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Guest
Jan 22, 2021
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425
1
area
The total area of the regular hexagon above is 6. What is the area of the light blue star?
DewdropDancer
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Guest
Jan 22, 2021
+2
527
1
+239
Break Time!
Hey guys! I gotta go take a break from answering questions! I will come back and start answering lots of questions as soon as I can!!!
read more ..
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DewdropDancer
Jan 22, 2021
-1
434
1
find x and y
Find x and y if $y = \log_2 x$ and $2x + y - 5 = 0$
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Guest
Jan 22, 2021
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390
1
help with trig
If $\cos { A } +\cos ^{ 2 }{ A } =1$ , then find the value of $\sin ^{ 2 }{ A } + \sin ^{ 4 }{ A }$
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Guest
Jan 22, 2021
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474
4
simplify
Assume that \(x\) is a positive real number. Then simplify
\[\large \sqrt[3]{x\sqrt{x}}\]
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Guest
Jan 22, 2021
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470
5
Test Prep Help needed quickly
1. How many minutes are there in a week?
2. The measure of angles of quadrilateral ABCD form the arithmetic sequence ∠A, ∠B, ∠C, ∠D. If the measure of angle B is 75 degrees what is the degree measure of angle D?
read more ..
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Guest
Jan 22, 2021
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441
1
help with sum
Find the sum of all even integers from 25 to 427.
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Guest
Jan 22, 2021
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351
1
Help plz
1. How many minutes are there in a week?
2. The measure of angles of quadrilateral ABCD form the arithmetic sequence ∠A, ∠B, ∠C, ∠D. If the measure of angle B is 75 degrees what is the degree measure of angle D?
read more ..
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Guest
Jan 22, 2021
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