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Post New Question
All Questions
+0
234782 Questions
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674
3
+1443
Help.
C = 5/9 (F - 32) is the equation for finding the Celcius temperature when the Fahrenheit temperature is known. What would solving the equation for F allow you to do?
Find the Fahrenheit temperature when the Celsius temperature
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SmartMathMan
Aug 29, 2020
0
357
0
please help!
At the north campus of a performing arts school, 20% of the students are music majors. At the south campus, 70% of the students are music majors. The campuses are merged into one east campus. If 30% of the 1000 students at the east campus are music
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Guest
Aug 29, 2020
0
542
2
solve for x and y
Ues the diagrams to solve for x and y.
please try to explain too please
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Guest
Aug 29, 2020
0
2523
1
geometry question
If mL ABC is one degree less than three times mL ABD and mL DBC = 47 find each measure
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Guest
Aug 29, 2020
0
538
2
geometry :/
Line L_1 has equation 3x-2y=1 and goes through A=(-1,-2). Line L_2 has equation y=-1 and meets line L_1 at point B. Line L_3 has positive slope, goes through point A, and meets L_2 at point C. The area of triangle ABC is 3. What
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Guest
Aug 29, 2020
0
437
2
please helppp!
I need help with this.
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Guest
Aug 29, 2020
0
1131
3
algebra
Three notebooks, 2 binders and 1 pack of pencils costs $6. Twonotebooks, 1 binder and 2 packs of pencils costs $6.92. One notebook, 3 binders and 3 packs of pencils costs $10.84. How much does one binder cost?
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Guest
Aug 29, 2020
0
353
1
please help
Making a round trip from Fairview to Cartersville, a distance of 20 miles, a pilot faces 30 mph head wind one way and 30 mph tail wind on the return trip. The return trip takes 45 minutes less than the outbound journey. Find the speed of the plane in still
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Guest
Aug 29, 2020
0
1020
2
+226
please help! thank you in advanced!!
There exist two complex numbers c, say c1 and c2, so that 3+2i, 6+i, and c form the vertices of an equilateral triangle. Find the product c1c2 in rectangular form.
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littlemixfan
Aug 29, 2020
0
295
0
need help with linear equation
Find an equation of the line that passes through the point (1, −5) and is perpendicular to the line passing through the points (−2, −1) and (4, 3). (Let x be the independent variable and y be the dependent variable.)
Guest
Aug 29, 2020
0
489
0
math problem
There are three islands and nine bridges as shown in the figure below.
North Bank
B
00
South Bank <#> Suppose there is a crossing charge of $1.00 every time one crosses a bridge. A tourist <#> wants to start on the South Bank, stroll across each
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Guest
Aug 29, 2020
0
357
2
help please
when you reverse the digits of a certain two-digit number you decrease its value by 45. What are the possible values of the two-digit number?
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Guest
Aug 29, 2020
0
492
1
Help Please!!! Im no good at probability
Alyssa has four marbles: a red one, a blue one, a green one, and a yellow one. In how many different ways can she form a set consisting of some of the marbles if she must choose at least one marble? (In a set of chosen marbles, it does not matter in what
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Guest
Aug 29, 2020
-1
607
3
+109
please help me
Let\[f(x) = \left\{ \begin{array}{cl} x^2-4 & \text{ if }x < 7, \\ x-13 & \text{ if } x \geq 7. \end{array} \right.\]What is $f(f(f(17)))$?
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dp1806
Aug 29, 2020
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401
1
science help
The chemical formula for glucose is C₆H₁₂O₆. Given that the atomic mass of carbon is 12 Daltons, the atomic mass of hydrogen is 1 Dalton, and the atomic mass of oxygen is 16 Daltons, what is the molecular mass of glucose?
off-topic
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Guest
Aug 29, 2020
0
699
3
+1995
can someone check my answers?
1.
2.
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jjennylove
Aug 29, 2020
0
1004
2
+109
please help asap
The sum of the first $n$ terms in the infinite geometric sequence $\left\{\frac{1}{4},\frac{1}{8},\frac{1}{16},\dots \right\}$ is $\frac{255}{512}$. Find $n$.
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dp1806
Aug 29, 2020
0
360
1
algebra question
A truck leaves Pensacola heading east at 50 mph. One hour later, a secondtruck leaves Pensacola heading east at 65 mph. How long will it take the second truck to overtake the first truck?
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Guest
Aug 29, 2020
0
425
1
Let $f(x)$ be a quadratic polynomial such that $f(-4) = -22,$ $f(-1)=2$, and $f(2)=-1.$ Let $g(x) = f(x)^{16}.$ Find the sum of the coeffic
Let $f(x)$ be a quadratic polynomial such that $f(-4) = -22,$ $f(-1)=2$, and $f(2)=-1.$ Let $g(x) = f(x)^{16}.$ Find the sum of the coefficients of the terms in $g(x)$ with even exponents. (For example, the sum of the coefficients of the terms in $-7x^3
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Guest
Aug 29, 2020
Aug 28, 2020
0
493
1
PLEASE!!!!
Simplify the following expression: $(9x^9+7x^8+4x^7) + (x^{11}+x^9+2x^7+3x^3+5x+8).$ Express your answer as a polynomial with the degrees of the terms in decreasing order.
When the expression $(2x^4+3x^3+x-14)(3x^{10}-9x^7+9x^4+30)-(x^2+5)^7$
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Guest
Aug 28, 2020
0
478
1
help!
You have a whole pizza in the refrigerator. On your first trip to the refrigerator, you eat half the pizza. On each successive trip, you eat half of the remaining pizza. After five trips to the refrigerator, what fractional part of the pizza have you eaten?
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Guest
Aug 28, 2020
0
477
1
coordinate question
M is the midpoint of ST. S(-8, 9) and M(-10, 14). Find the coordinates of the other endpoint, T.
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Guest
Aug 28, 2020
0
500
2
binomial theorum
Use the binomial theorum to expand (x - 2y)^8.
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Guest
Aug 28, 2020
0
635
2
+96
halp it's due tomorrow
A median of a triangle is a line segment joining a vertex of a triangle to the midpoint of the opposite side. The three medians of a triangle are drawn below. image: latex.artofproblemsolving.com/b/c/3/bc36d6a86ebdd87399c8b07d66ec053e8593c264.png
Note
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kanisan
Aug 28, 2020
0
492
1
counting
How many 5-digit numbers are there, where no two digits are the same?
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Guest
Aug 28, 2020
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latest
9390
9389
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6969
6968
6967
6966
6965
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