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Answers by Fermat
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User Fermat
Recent activity
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. Mang Ruben has only an 11-liter can and a 5- liter can. How can he measure out exactly 7 liters of water?
answered
Aug 22, 2018
in
Word Problem Answers
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5.1k
views
word problem
math problem
There were 424 participants in the math-a-thin. If there were 3 times as many girls as boys, how many girls participated?
answered
Aug 17, 2018
in
Word Problem Answers
|
618
views
word problems
4(2-x)+1=2x+2-5(1-4x)
answered
Jun 20, 2018
in
Algebra 2 Answers
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265
views
A motorboat takes 5 hours to travel 100 miles going upstream. The return trip takes 2 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
answered
May 6, 2018
in
Algebra 1 Answers
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2.9k
views
solving systems of equations
word problem
find d2y/dx2 in terms of x and y. x^2y^2-4x=8
answered
May 5, 2018
in
Calculus Answers
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3.8k
views
calculus
solve by complex ting the square 2x^2+3x-4=0
answered
May 5, 2018
in
Algebra 2 Answers
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540
views
How to prove (1+2sinx.cosx)/(1-2sin^2x)=(1+tanx)/(1-tan)
answered
May 3, 2018
in
Trigonometry Answers
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797
views
proving trigonometric identities
A mudflow with a volume 0.02 cubic kilometers hits a small town. The mudflow covers the entire ten to a uniform thickness of 21 meters. What is the area of the town, in square meters?
answered
May 1, 2018
in
Word Problem Answers
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334
views
word problems
story problems
A concrete mix has the ratio 1 part cement, 2 parts water, and 3 parts sand. How much water can be used if 78 kg of sand and 21 kg of cement are available? How much concrete can be made?
answered
May 1, 2018
in
Algebra 2 Answers
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3.2k
views
word problems
math problem
please sol this as soon as possible. thank you for your email
What are the coordinates of the vertex of V(w)=−0.25(w−1)2+0.25 in a a
answered
May 1, 2018
in
Algebra 1 Answers
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696
views
algebra
If you can peel 4 patatoes in 10 minutes how many can you peel in 14
answered
May 1, 2018
in
Word Problem Answers
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1.2k
views
word problems
If John walks 60 miles in 28 hours how long will it take him to walk 2,658 miles?
answered
May 1, 2018
in
Word Problem Answers
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283
views
Write the quadratic equation whose roots are -4 and -6, and whose leading coefficient is 1
answered
May 1, 2018
in
Algebra 2 Answers
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3.8k
views
roots
ma
The slope of line 1 is -2 And the slope of line 2 is 2, are these lines perpendicular?
answered
May 1, 2018
in
Algebra 1 Answers
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319
views
perpendicular lines
x^2-y^2+2zx+2yz+2y-2y-1
answered
Apr 20, 2018
in
Algebra 1 Answers
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2.0k
views
Katie hit four more home runs than three times the number of home runs hit by Kristen. Together they hit 20 home runs. How many home runs did Kristen hit?
answered
Apr 20, 2018
in
Word Problem Answers
|
670
views
word problems
word problem
solving equations
The gradient of the curve y=2x^2-x+6 at the point (2,16)
answered
Apr 15, 2018
in
Other Math Topics
|
2.3k
views
slope of a line
4/5 of the scarves are blue. There are 40 scarves.how many blue scarves are there?
answered
Apr 15, 2018
in
Algebra 1 Answers
|
101
views
word problems
The sum of two numbers is 156. The excess of 4 times the larger over 4 times the smallest is 75. What are the numbers?
answered
Apr 15, 2018
in
Pre-Algebra Answers
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505
views
how do you solve this equation problem? please show steps to solve..i've figured most but got stuck on this one.
What is the slope of the line that passes through (-3,-1) and (-5,5)
answered
Apr 9, 2018
in
Algebra 1 Answers
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1.7k
views
slope of a line through 2 points
form a quadratic equation whose zero is -4
answered
Apr 8, 2018
in
Algebra 1 Answers
|
2.1k
views
how should i write this equation?
Sydney ran 400 meters in 1 min and 20 sec. What is the average meter per second
answered
Apr 2, 2018
in
Algebra 1 Answers
|
285
views
word problems
solve question
find the factorization of 81x2-18x+1
answered
Mar 30, 2018
in
Algebra 2 Answers
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1.2k
views
algebra 2 problems
prime factorization
Prove the following
answered
Mar 30, 2018
in
Trigonometry Answers
|
306
views
proving trigonometric identities
if you have 1 post 0 rails, 2 posts, 3 rails and 3 posts, 6rails, what is the nth term
answered
Mar 27, 2018
in
Word Problem Answers
|
474
views
finding the nth term
finding the formula for the nth term
prove that ((i+✓3)/2)^100+((i-✓3)/2)^100=-1
answered
Mar 17, 2018
in
Algebra 1 Answers
|
1.6k
views
math problem
Would you measure a bridge in miles?
answered
Mar 14, 2018
in
Geometry Answers
|
279
views
4th grade math
Solve the following system of equations
answered
Feb 28, 2018
in
Algebra 2 Answers
|
488
views
solving systems of equations
precalculus problems
solve by elimination process 7x-y=27 and -7x+y=-27
answered
Feb 28, 2018
in
Algebra 1 Answers
|
479
views
solving systems of equations by elimination
solving equations
elimination process
algebra problems
20<−5(3x−7)
answered
Feb 11, 2018
in
Pre-Algebra Answers
|
234
views
math problem
A 1.5 kg block and a 2.5 kg block are attached to opposite ends of a light rope.
answered
Feb 11, 2018
in
Word Problem Answers
|
6.4k
views
physics
Please help me solve hehe thanks
answered
Feb 9, 2018
in
Geometry Answers
|
280
views
geometry problems
Evaluate the following limits
answered
Feb 8, 2018
in
Geometry Answers
|
464
views
geometry problems
Evaluate limit
answered
Feb 8, 2018
in
Geometry Answers
|
128
views
geometry problems
evaluate limit
answered
Feb 8, 2018
in
Geometry Answers
|
136
views
geometry problems
Write the contrapositive of the statement: If x^2 + x - 6 = 0 then x=2 or x=-3.
answered
Feb 7, 2018
in
Geometry Answers
|
4.1k
views
geometry problems
Evaluate limit
answered
Feb 7, 2018
in
Geometry Answers
|
200
views
geometry problems
Evaluate limit
answered
Feb 7, 2018
in
Geometry Answers
|
146
views
geometry problems
Find the number
answered
Feb 3, 2018
in
Word Problem Answers
|
418
views
finding a number
Tickets to a concert cost $10 in advance and $15 at the door, so if 120 tickets were sold for a total of $1390, how many of the tickets were purchased in advance?
answered
Feb 2, 2018
in
Algebra 1 Answers
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4.8k
views
word problems
math problem
algebra problems
solving equations
biker raced first 378 metersin 1.0 seconds
answered
Feb 2, 2018
in
Word Problem Answers
|
188
views
word problems
FInd the equation of the hyperbola
answered
Feb 1, 2018
in
Calculus Answers
|
2.3k
views
hyperbolas calculus
Find the equation of the hyperbola
answered
Feb 1, 2018
in
Calculus Answers
|
2.3k
views
calculus
5000 sheets of paper cost 1600; how much per sheet per pennies?
answered
Feb 1, 2018
in
Other Math Topics
|
356
views
6th grade math
Find the value of x
answered
Feb 1, 2018
in
Other Math Topics
|
232
views
solving equations
If Yolanda spent $650 to fix her car, how many hours did the mechanic work on?
answered
Feb 1, 2018
in
Algebra 1 Answers
|
523
views
word problems
Percy is 8 years older than Ginny. In ten years time he will be three times Ginny’s present age. How old is Percy now?
answered
Feb 1, 2018
in
Algebra 1 Answers
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1.3k
views
word problems
Find x if magnitude of
answered
Jan 28, 2018
in
Other Math Topics
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189
views
laura has $87 one dollar bills and five dollar bills she has three more five dollar bills than one dollar bills how many of each does she have
answered
Jan 28, 2018
in
Algebra 1 Answers
|
300
views
laura has $87 one dollar bills and five dollar bills she has three more five dollar bills than one dollar bills how many of each does she have\
the perimiter of a wooden fence is 90 ft the length is 5ft less than 4 times its width, what is the width of the fence?
answered
Jan 28, 2018
in
Algebra 1 Answers
|
426
views
width of a rectangle
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