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Answers by Rod
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Rod
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User Rod
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User Rod
Recent activity
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Mom and Dad have four daughters, and each daughter has one brother. How many people are in the family?
answered
Feb 13, 2017
in
Other Math Topics
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788
views
word problems
hidden questions
What is the value of SS (sum of squared deviations) for the following sample? Sample: 1, 3, 2, 2
answered
Feb 13, 2017
in
Statistics Answers
|
5.3k
views
standard deviation
statistics
math problem
prove that C,D,H,E are concyclic
answered
Feb 12, 2017
in
Geometry Answers
|
2.2k
views
circle theorems
concyclic points
9 times 1/4 equals what
answered
Feb 12, 2017
in
Pre-Algebra Answers
|
441
views
write 1.232 in words
answered
Feb 10, 2017
in
Word Problem Answers
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405
views
word problems
calculating percentages
A telephone number ends with a digit less than 7
answered
Feb 10, 2017
in
Word Problem Answers
|
395
views
algebra problems
find the quadratic equation whose roots are √5 and √3
answered
Feb 10, 2017
in
Algebra 2 Answers
|
1.9k
views
solving quadratic equations
Evaluate the expression. 179⋅17−6
answered
Feb 10, 2017
in
Algebra 1 Answers
|
1.2k
views
evaluate the expression
8x5=(5x5)+(___x5)
answered
Feb 10, 2017
in
Word Problem Answers
|
4.7k
views
math problem
Please reduce the equation given Rod!
answered
Feb 10, 2017
in
Trigonometry Answers
|
472
views
answer this rod
trigonometry
please show all work thank you
ANSWER EXPLANATION: If you think of the equation as an equation for a line
answered
Feb 9, 2017
in
Algebra 2 Answers
|
736
views
complete the following. 825 use each digit once .make the two smallest 3 digit numbers and two largest 3-digit number
answered
Feb 9, 2017
in
Other Math Topics
|
21.9k
views
smallest to largest
Find the modulus and argument of (i) z = ( 2- i)(1-3i) , (ii) (-1+2i)(1+i) all over (-2-3i).
answered
Feb 9, 2017
in
Other Math Topics
|
2.5k
views
complex numbers
Find the modulus and argument of z = ( 2- i)(1-3i) and (-1+2i)(1+i) all over (-2-3i).
answered
Feb 9, 2017
in
Other Math Topics
|
792
views
complex numbers
Why does the sum of minus 4&3 complain more then the sum of minus 3&5?
answered
Feb 9, 2017
in
Word Problem Answers
|
948
views
word problems
6th grade math
What is the answer to 315.95 (1+19.56/12)3
answered
Feb 9, 2017
in
Other Math Topics
|
394
views
calculating percentages
Peter has 30 pencils and Tony has 14. How many pencils must Tony give Peter so that Peter shall have 3 times as many as Tony?
answered
Feb 8, 2017
in
Word Problem Answers
|
2.9k
views
linear equations
the difference of a number and -6 is less than 9
answered
Feb 8, 2017
in
Algebra 1 Answers
|
2.4k
views
algebra problems
−3√26−3√13+10√26−3√13 solve please
answered
Feb 8, 2017
in
Algebra 1 Answers
|
295
views
Calculate the values a and b and hence factorise the expression completely.
answered
Feb 8, 2017
in
Algebra 1 Answers
|
1.8k
views
factoring
Show that : a/b=cos alpha-cos beta/sin beta-sin alpha
answered
Feb 7, 2017
in
Trigonometry Answers
|
1.5k
views
trigonometry problems
Where do i put the parentheses to make this state ment true 8 x 4 - 2 x 3 + 8 ÷2 = 25
answered
Feb 7, 2017
in
Word Problem Answers
|
1.8k
views
6th grade math
conver 4 < 30degrees and 7 < -145degrees into x+iy form correct to 4 significant figures.
answered
Feb 7, 2017
in
Other Math Topics
|
322
views
complex numbers.
simplify (2+1)(2^2+1)(2^4+1)(2^8+1)...(2^32+1)
answered
Feb 7, 2017
in
Other Math Topics
|
755
views
how do i solve the equation m-8≤14
answered
Feb 7, 2017
in
Algebra 1 Answers
|
716
views
algebra1
write 350 as a product of its prime factors
answered
Feb 7, 2017
in
Other Math Topics
|
2.8k
views
prime factors
in roster method, set of A is the set of two-digit odd numbers greater than 39 that are divisible by 5
answered
Feb 6, 2017
in
Algebra 2 Answers
|
6.5k
views
math problem
If A = {o,c,e,a,n} and U={a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z} find A'
answered
Feb 6, 2017
in
Algebra 2 Answers
|
5.5k
views
college algebra problems
sin(θ+φ+ψ)=sinθcosφcosψ+cosθsinφcosψ+cosθcosφsinψ-sinθsinφsinψ
answered
Feb 6, 2017
in
Trigonometry Answers
|
389
views
proving trigonometric identities
Prove that sin^2/3 a + cos^2/3 a = [2/m]^2/3
answered
Feb 5, 2017
in
Trigonometry Answers
|
526
views
trigonometry problems
number of dvd rented by four families is 8,4,2,and 16 use sample 3 and find the mean
answered
Feb 5, 2017
in
Statistics Answers
|
3.0k
views
standard deviation
statistics problems
variance
a 10% liquid polymer is used making a polymer solution. how many pounds of liquid polymer should be mixed with water to produce 170 pounds of a 0.6% polymer solution?
answered
Feb 5, 2017
in
Word Problem Answers
|
998
views
word problems
How do you solve 4y <=x+8
answered
Feb 5, 2017
in
Pre-Algebra Answers
|
376
views
solving equations
simplify [(x+3)/(2x^2+9x+9)]+ [1/2(2x-3)]-[4x/(4x^2-9)]
answered
Feb 5, 2017
in
Other Math Topics
|
521
views
#rationalnumbers
Numbers Less than 500
answered
Feb 4, 2017
in
Word Problem Answers
|
372
views
word problems
The area of a bedroom wall is 3.12. How much paint is needed for two coatings of the wall. A litre paint will cover 15m square on average
answered
Feb 4, 2017
in
Word Problem Answers
|
508
views
word problems
math problem
area of a rectangle
how to change the sabject if the formula if A=p(i+rt)
answered
Feb 4, 2017
in
Other Math Topics
|
358
views
where does this bring him ?
answered
Feb 4, 2017
in
Other Math Topics
|
371
views
calculating percentages
solving equations
Please how will you solve X^4 + 35X^2 - 36 = 0. Thanks and God bless you! Amen.
answered
Feb 3, 2017
in
Pre-Algebra Answers
|
334
views
quadractic equation.
a bank loans me 15,000. part is at 7% a year intrested and the other is at 15%. the total intrest is 1500. what is 7%
answered
Feb 2, 2017
in
Other Math Topics
|
375
views
math problem
0.000008 as a fraction
answered
Feb 2, 2017
in
Fraction Problems
|
945
views
What is the multiplicative inverse of a complex number (4-3i)?
answered
Feb 2, 2017
in
Other Math Topics
|
1.4k
views
vectors
complex numbers
Evaluate the expression
answered
Feb 2, 2017
in
Pre-Algebra Answers
|
589
views
evaluate the expression
skeleton equation for sodium carbonate, carbon dioxide, and water (balanced equation)
answered
Feb 2, 2017
in
Other Math Topics
|
1.3k
views
chemistry
balancing equations
5/6 x = 30
answered
Feb 2, 2017
in
Other Math Topics
|
346
views
show every step
explain this to me
If 16 rabbits eat one-half cup of food per day, how many days will five gallons of rabbit food last?
answered
Feb 1, 2017
in
Word Problem Answers
|
816
views
word problems
The following data give the scores obtained by 9 of the students in Science and mathematics test.
answered
Feb 1, 2017
in
Statistics Answers
|
502
views
Please help my Math homework 2
answered
Feb 1, 2017
in
Other Math Topics
|
753
views
vectors
complex numbers
John and Ted leave Houston at the same time.
answered
Jan 31, 2017
in
Trigonometry Answers
|
492
views
algebra problems
math
word problems
[(2.32×10^6)÷50.447]+132.74
answered
Jan 31, 2017
in
Other Math Topics
|
434
views
word problems
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