MATHEMATICS HIGH SCHOOL

Find the solution set of the inequality: -3x + 8 < 15−3x+8<15minus, 3, x, plus, 8, is less than, 15 x

Answers

Answer 1

Answer:

The solution to the inequality is;

x > -7/3

Step-by-step explanation:

We want to find the solution to the inequality;

-3x + 8 < 15

We can have this as;

-3x < 15-8

-3x < 7

x > -7/3

Answer 2

Answer:

Answer:

x>-7/3

Step-by-step explanation:

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Two ways you can evaluate 15(90-3)

A laptop has a listed price of 827.95 before tax. If the sales tax rate is 8.75%, find the total cost of the laptop with sales tax included.

Answers

Answer:

$900.40

Step-by-step explanation:

Multiply 827.95 by the sales tax rate of 0.0875 which gets you 72.445625. add 827.95 to this and round, giving you 900.40.

A twons populations is 43,425. About 125 people move out of the town each month, 200 people on the average move into town. A nearby town has population of 45,000. it has no one moving in and an average of 150 people moving away every month. In about how many months will the population of the towns be equal? Write an equation that represents this situation and solve.

Answers

Answer:

After 7 months months the population of both the town will be equal.

Step-by-step explanation:

Let's assume, the population of both towns will be equal after x number of months.

Every month 125 people move out of the town and 200 people move into the town, where already 43,425 people are living. So, the population of the former town after x months is,

Every month 150 people move out of the town, where already 45,000 people are living. So, the population of the latter town after x months is,

when the population of both of the towns are same,then

Mary deposits R400 every three months into a bank account earning interest at 16% per year, compounded quarterly. The approximate time that it will take Mary to save R40000 is

Answers

Answer:

The approximate time that it will take Mary to save R40000 is 29 years

Step-by-step explanation:

A= p(1+r/n)^nt

t = log(A/P) / n[log(1 + r/n)]

A = R40000

n = 4

P = R400

r = 16%

t = log(A/P) / n[log(1 + r/n)]

= log(40,000 / 400) / 4{log(1+0.16/4)}

= log(100) / 4{log(1+0.04)}

= 2 / 4{log(1.04)}

= 2 / 4(0.0170)

= 2 / 0.068

= 29.41

t = 29.41 years

Approximately 29 years

The approximate time that it will take Mary to save R40000 is 29 years

Samantha builds one birdhouse in 6 3/8 hours. How many hours does it take to build 4 birdhouses?

Answers

6 and 3/4 times 4....

6 times 4 is 24

4 times 3 is 12, so 12 over 4 is equal to 3

And 24 plus 3 is 27, so 27 hours is what i believe the answer shoudl be

Which of the following have an odd sum? Select all that apply. Select all that apply. odd number ++plus even number even number ++plus even number 7 + 47+47, plus, 4 11 + 311+3

Answers

lets go one at the time:
- odd number ++plus even number
odd number

- even number ++plus even numbereven number

7 + 47 + 47 plus, 4 = 101 + 4 = 105that is odd

11 + 311 + 3 = 325
odd

What is the value of 7 to the fifth power?