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Question 871579: Find the GCD and LCM of 128 and 426 using prime factorization.
Click here to see answer by Fombitz(32388)

Question 871959: the number of solution of equation 6m+15n=8 in integers so n and m are
(A) zero
(B) one
(C) more than one but finitely many
(D) infinitely many
Click here to see answer by richard1234(7193)

Question 871414: If angle 2 is equal to 127�, what is the measure of angle 1?
127�
37�
53�
27�
Click here to see answer by richard1234(7193)

Question 872358: A man has $10,000 to invest, some in a relatively safe account
earning 5% interest per year, and the rest in more speculative
investments earning 12% per year. If the total interest earned for the
year was $955, how much was invested at each rate?

Click here to see answer by mananth(16946)

Question 872362: consider the equation x^2+y^2=2007 .how many solutions(x,y) exist such that x and y are positive integers?
A. NONE
B. EXACTLY TWO
C. MORE THAN TWO BUT FINITELY MANY
D. INFINITELY MANY
Click here to see answer by KMST(5328)

Question 872611: Kate invests $11,700, part at 7% and the rest at 6%. The annual rate of return on the investments is actually the same. How much did she invest at each rate?
Click here to see answer by lwsshak3(11628)

Question 872670: how to find the number of solution in x^2+y^2=c (c is a integer constant) equation ?
Click here to see answer by Fombitz(32388)

Question 872658: a1 = 24^1/3, an+1=(an+24)^1/3, n ≥ 1. Then the integer part of a100 equals
A. 2
B. 10
C. 100
D. 24

Click here to see answer by KMST(5328)

Question 872659: THE NUMBER OF TRIPLES (a,b,c) OF POSITIVE INTEGERS SATISFYING 2^a-(5^b*7^c)=0 IS
A. INFINITE, B.2, C.1, D.0

Click here to see answer by KMST(5328)

Question 872858: A consultant charges a school fee of $300 per hour including 10% GST. The school hires the consultant for 2 hours but can still claim back the GST from the government. Find the net cost of the consultant for the school to the nearest cent.
I've done 300(2) x 1.1 but it's not right. Is there another rule that could make this easier to solve the net cost?
Click here to see answer by ewatrrr(24785)

Question 873146: Please help me solve this equation:
Click here to see answer by josgarithmetic(39617)

Question 873146: Please help me solve this equation:
Click here to see answer by jim_thompson5910(35256)

Question 873147: Please help me solve this equation: .
Click here to see answer by josgarithmetic(39617)

Question 873160: If tan A=8 and tan b=1/2, what is the exact value of tan(a+b) in simplest fractional form?
Click here to see answer by mananth(16946)

Question 873157: If cos x=4/5 and x is an acute angle, find the exact value of cos2x, in simplest fractional form
Click here to see answer by mananth(16946)

Question 873194: tell about mapping in a gist.
Click here to see answer by richard1234(7193)

Question 873313: The graph represents the profit from a lemonade stand. The start-up materials for the stand cost $3.00. how much is each cup for lemonade selling for? (1) $.10 (2) $.25 (3) $.50 (4) $1.00

Click here to see answer by ewatrrr(24785)

Question 873417: Can you solve these systems of equations please?
y-4x+5
y=1/3x-8
Click here to see answer by Alan3354(69443)

Question 873520: Calculate the future value of $ 5,000, given that it will be held in the bank for 10 years and earn annual interest rate of 4 percent
Click here to see answer by Fombitz(32388)

Question 873601: What is algebraic expression for: a stereo system originally sold for s dollars. Write an expression for the price of the stereo if it is on sale for 15% off.
Click here to see answer by nerdybill(7384)

Question 874127: what is the slope intercept 4/5; y-intercept (0,-5)

Click here to see answer by Fombitz(32388)

Question 874154: Suppose you toss a coin 25 times, and it lands heads up 13 times. Compare the experimental probability, the theoretical probability of the coin landing on heads.
What is the theoretical probability of flipping a coin?
Click here to see answer by ewatrrr(24785)

Question 874041: Please help me solve this, I'm a bit confused.
Solve each system of equations using matrix equation. Explain step by step. Check answers.
x+y+z=4
4x+5y=3
y-3z=-10
(there is a big "{" around all three of them, if that matters)
Click here to see answer by richwmiller(17219)

Question 874351: 24. Two taps A and B can fill a tank in 20 min and 30 min, respectively. An outlet pipe C can empty the full tank in 15 min. A, B and C are opened alternatively, each for 1 min. How long will the tank to be filled?
Click here to see answer by dkppathak(439)

Question 874451: A broach was marked up $150 from cost, which amounts to a 50% increase. Find the original cost of the broach.
Click here to see answer by ewatrrr(24785)

Question 874507: You bought a sweater that was $55 for only $44. What was the percent of discount you got on the sweater
Click here to see answer by ewatrrr(24785)

Question 874509: Emily was riding her skateboard. She knew that she could ride 4 miles in 20 minutes. At that same rate, how many miles could she ride in 35 minutes
Click here to see answer by ewatrrr(24785)

Question 874589: A bank loaned out $67,000, part of it at the rate of 14% per year and the rest at a rate of 6% per year. If the interest received was $6100, how much was loaned at 14%?
Click here to see answer by mananth(16946)

Question 874587: mardi received an inheritance of $70,000. she invested part at 7% and deposited the reminder in a 8%. her total annual income was $5300. Find the amount invested at 7%.
Click here to see answer by mananth(16946)

Question 874843: find the sum of the infinite geometric sequence: 150+ 30 + 6....
Click here to see answer by ewatrrr(24785)

Question 874879: Pretend you are taking out a $5,000 loan that you will have to pay back within 5 years with 8% interest compounded monthly. What would be a more beneficial change to your repayment plan? Explain.
a) reducing the term to 4 years
b) reducing the interest rate to 6.5%
Thanks for any help, much is appreciated .
Click here to see answer by Alan3354(69443)

Question 875019: Joe bought 8 sacks of birdseed for his petshop. Each sack weighed 15kg. He repacked the seed into 450g bags.
1. How many full bags did he pack?
2. Joe bought the birdseed at 20$ per sack. How much profit does he make if he sells the bags for 1$ each?
Click here to see answer by edjones(8007)

Question 875025: Dennis is building a brick wall that will measure 10 feet by 16 feet. If the bricks he is using
are 3 inches wide and 5 inches long, how many
bricks will it take to build the wall?
Please specify the answer okay?
Thanks
Click here to see answer by rothauserc(4718)

Question 875341: find the x-intercept and y-intercept, the foci, the center and circle whether the following equation has a horizonatl or vertical axis:
x^2/100 +y^2/36 =1
Please help with this!1 Thanks :)
Click here to see answer by KMST(5328)

Question 875363: Oliver invested $12,000 in an account that accrues compound interest at a rate of 2.5% yearly. What is the minimum number of years Oliver must wait before he has at least double his original investment?
Click here to see answer by mananth(16946)

Question 875383: find the vertex of the following equation and state whether it opens up, down, left or right:
y=x^2-4
Please help me with this! Thank you
Click here to see answer by josgarithmetic(39617)

Question 875379: determine whether the following equations are parabolas, circles, ellipses or hyperboles
2x^2+6y^2=18

4x^2=36y^2=144

y^2-x^2+6x-4y-6=0

Please I really need this!! Thank you 1
Click here to see answer by josgarithmetic(39617)

Question 875495: It will take John 4 days to string a certain fence.
If Mary could string the same fence in 3 days,
how long will it take them if they work
together?
Click here to see answer by ewatrrr(24785)

Question 875686: The scale of a map is 1 : 40,000
Sarah measured the distance on the map between the Post Office and the Bank to be 5.7cm
What is the actual distance between the Post Office and the Bank?
A.) 142.5m
B.)228 m
C.)1.425 km
D.) 2.28 km
E.) 22.8 km
Click here to see answer by ewatrrr(24785)

Question 875839: There are two competing proposals for the redevelopment of a piece of vacant land in Accra. One is to construct an office block on the site and the other is to construct a casino. You have been asked to give advice on which is the better investment. The two projects generate the following cash flows
Year
Office
Casino
year 0 office -300 casino -300
year 1 office -30 casino -400
year 2 office 90 casino 50
year 3 office 180 casino 100
year 4 office 215 casino 800
a) What is the Net Present Value of each project using a discount rate of 6%?
(5 marks)
b) What is the Internal Rate of Return of each project (to the nearest 1%)?
(5 marks)
c) Explain the advice you would give to your client if their target rate of return was 15% (5 marks)
d) What are strengths and weaknesses of NPV and the IRR investment decision criteria? (8 marks)
e) What are sunk costs and how are they treated in analyzing cash flows?
(5 marks)
f) Explain the difference between sensitivity analysis and scenario analysis
Click here to see answer by Theo(13342)

Question 875962: Write a compound interest function to model the situation : $12,000 invested at a rate of 6% compounded quarterly ;
show all work please, thank you.
Click here to see answer by rfer(16322)

Question 876052: y=x+4z-5
4x+3y-2z=5
z=-2x+2
Can you please solve these system of equations and find the values for x, y, and z?
Click here to see answer by KMST(5328)

Question 876318: Find the x intercepts and y intercepts for the equation
-6x+5y=60
Click here to see answer by ewatrrr(24785)

Question 876352: If k= a+b
And..
a+b+k=30
What is k ?
Click here to see answer by Fombitz(32388)

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