MATHEMATICS MIDDLE SCHOOL

Y-6x-9=0 asa function notation

Answers

Answer 1
Answer:

f(x) = 6x + 9 ← in functional notation

let y = f(x) and rearrange the equation making y the subject

add 6x + 9 to both sides

y = 6x + 9

thus f(x) = 6x + 9

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Evaluate 3/5 - 3/10 and explanation thanks

Answers

It would be 3/10 because you have to create a common denominator. That would be 10. 3x2=6 and 5x2=10, so 3/5 would become 6/10, which is equivalent. If you kept the denominators the same and subtracted the numerators, you would get 3/10.

The interest on $2,000 for 2 years is $320.
What is the simple interest rate?

Answers

Answer:

8%/year

Step-by-step explanation:

Answer:8%

Step-by-step explanation:

Can you help me solve 12 through 16 I don't get it

Answers

Can you take closer picture please:)
all you have to do is divide
the fractions in the problems and get your answer for example number 15 4/5÷1/4
4×1=4
5×4=20 = 4/20 miles to go

Jevon arrives home from school at 3:10.it takes him 15 minutes to eat a snack 1/2 hour to complete his homework 7 minutes to change clothes and pack his gear for soccer practice and 18 minutes to ride his bike to the soccer field at what time does he arrive at soccer practice

Answers

arrives at home 3:10pm
snack 15min
homework 30min
change/pack 7min
bike ride 18min
arrives to soccer practice 4:20pm

PH is given by the formula pH = -log [H+]where (H+) is the concentration of
hydrogen in moles per liter. If the pH of
Bill's swimming pool is 7.8 and the pH of
Maura's swimming pool is 7.2, whose
pool has a greater concentration of
hydrogen? How many times greater is it?

Answers

Answer:

  • Maura's
  • 4 times

Step-by-step explanation:

The logarithm function is monotonic with a positive slope everywhere. So, the logs of numbers are in the same order as the numbers themselves. pH is the negative of the logarithm, so the pH values are in the reverse order of the numbers themselves.

Maura's pool has a lower pH, so will have a higher concentration of hydrogen ions.

The log of a ratio is the difference of the logs. Here, the difference of the logs is 7.8 -7.2 = 0.6, so the ratio of H+ concentrations in the two pools is ...

  10^0.6 ≈ 4.0

Maura's pool has 4× the H+ concentration of Bill's pool.

What is the quotient of 3600 and 20?

Answers

Answer:

180

Step-by-step explanation:

3600 / 20 = 180

Answer:

180

Step-by-step explanation:
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