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inna [77]
2 years ago
15

Assume the total cost of a tertiary education will be R75 000 when your child enters university in 18 years. You presently have

R7 000 to invest. What rate of interest must you earn on your investment to cover the cost of your child’s tertiary education?
Mathematics
1 answer:
marshall27 [118]2 years ago
8 0

Answer: you need 5000 more

Step-by-step explanation: 70000 + 5000= 75000

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Very hard problem someone help
miv72 [106K]

Answer:

Everything in the box currently is correct but the bottom two numbers are just -3 and -4

Step-by-step explanation:

7 0
1 year ago
PLEASE HELP I GIVE 100 POINTS!!
balandron [24]

9514 1404 393

Answer:

  1.  b. The common difference is 0.39

  2.  no good answer (Zach's method is exponential; Victoria's is linear)

Step-by-step explanation:

1. The differences in mileage are ...

  24.39 -24 = 0.39

  24.78 -24.39 = 0.39

  25.17 -24.78 = 0.39

The common difference is 0.39.

____

2. Zach's monthly times are ...

  10, 20, 40, 80

The differences are ...

  10, 20, 40

The ratios are ...

  20/10 = 40/20 = 80/40 = 2

Zach's times have a common ratio, so are exponential.

__

Victoria's monthly times are ...

  35, 50, 65, 80

The differences are ...

  15, 15, 15

Victoria's times have a common difference, so are linear.

__

The choices are ...

  a. both exponential; common factor . . . . correct for Zach; not for Victoria

  b. Zach's is linear (has equal factor) . . . incorrect

  c. both exponential; common difference . . . incorrect

  d. Victoria's is linear . . . . correct for Victoria

Choice D describes Victoria's method. Choice A is correct regarding Zach's method, but incorrect regarding Victoria's.

Choices B and C are not self-consistent, so are incorrect on their face.

There is no good choice.

4 0
3 years ago
Read 2 more answers
What property is this called? 5(3x+6) <br> Please help me
Sladkaya [172]

Answer:

distributive property

Step-by-step explanation:

The distributive property of multiplication states that when a number is multiplied by the sum of two numbers the first number can be distributed to both of those numbers and multiplied by each of them separately then adding the two products together for the same result as multiplying the first number by the sum

4 0
3 years ago
Read 2 more answers
Consider the sequence of steps to solve the equation: 3(x − 4) + 5x = 9x − 36
castortr0y [4]

Answer:

The additive property of equality.

Step-by-step explanation:

36 is added to both sides of the equation.

3 0
3 years ago
What is the measure of angle C?
irina1246 [14]

Answer:

49°

Step-by-step explanation:

First, solve for x.

3x-7+2x+17=90

5x+10=90

5x=80

x=16

Then put 16 in for x.

2(16)+17=

32+17=49

5 0
3 years ago
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