Algebra Answers

(4, -8) and ( 11, 4) Round to the nearest tenth.

using mathematical induction prove that (n+1)^2<2n^2 for all natural numbers n=3 or greater than 3

1. Bobo,than and khanya are paid a total of R240 for moving the neighbours lawns. They split the money in the ratio of 5:9:10.
1.1.how much less did Bobo make than thabo?
1.2.bobo complains about making so much less.the boys decide instead to divide their pay in a ratio of 3:4:5.how much more does Bobo make than in part 1.1?

1.explain how part-to-part ratios occur in:
1.1. geometry.
1.2 . Algebra.
1.3. probability.
2. The ratio of the side lengths of a triangle is 3:4:5,and it's perimeter is 72cm.what is the length of the longest side of the triangle?

An alloy of 9 CT gold contains gold,copper zinc, and silver in the ratio 9:12,5:2,5.
1. Express this ratio in it's simplest form.
2.how much silver would you need if your alloy contained 6g of pure gold?
3.how much copper zinc would you need to make a 9 ct alloy using three grams of pure gold.

1. In a school hall, there are 35 girls and 28 boys. What is the ratio of girls to boys?
2. Tshepiso has 75c and simphiwe has R1,20. What is the ratio of simphiwe's money to tshepiso's money?

1. Express the following ratios in their simplest form:
1.1. 3 to 12.
1.2. 90 to 30.
1.3. 1/5 to 1.
1.4. 50ç:R3,50.
1.5. 6cm:30mm.
1.6. 1:5:1.
1.7.15min:4hr.
1.8. 5/3:4.

y=5x^4+0x^2+1
Choose one integer from the following set: -5 ≤ x ≤ 5. State the integer you chose.
When using long division, what binomial would you divide by to determine if your chosen integer from part b is a zero for your polynomial?
Do the long division you just described in part c.
Write the answer to the long division problem in the form .
Is your integer from part b a zero of your polynomial? How you can tell from the long division work.

y=5x^4+0x^2+1
Choose one integer from the following set: -5 ≤ x ≤ 5. State the integer you chose.
When using long division, what binomial would you divide by to determine if your chosen integer from part b is a zero for your polynomial?
Do the long division you just described in part c.
Write the answer to the long division problem in the form .
Is your integer from part b a zero of your polynomial? How you can tell from the long division work.

y=5x^3+0x^2+x+7
Choose one integer from the following set: -5 ≤ x ≤ 5. State the integer you chose.
When using long division, what binomial would you divide by to determine if your chosen integer from part b is a zero for your polynomial?
Do the long division you just described in part c.
Write the answer to the long division problem in the form .
Is your integer from part b a zero of your polynomial? How you can tell from the long division work.