Find a product that only contains 2 and 9

Answers

Answer 1

Answer: its 18 because I know .

Answer 2

Answer: 9×2=18 10+8=18. 9+9=18

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Today is my exams guys. Pls helpA merchant borrowed Rs. 2000 from two money lenders. For one loan, he paid the interest at
8% per annum and for the other 6% per annum. The total
interest paid for one year was Rs. 135. How much did he
borrow at each rate?

Answers

Rs 750 was borrowed at 8 % interest rate and Rs 1250 was borrowed at 6 % interest rate

Solution:

A merchant borrowed Rs. 2000 from two money lenders

Let the sum at 8 % be x

Then, the sum at 6 % be 2000 - x

The total interest paid for one year was Rs. 135

8 % of x + 6 % of (2000 - x) = 135

$(8)/(100) * x + (6)/(100) * 2000 - x = 135\n\n0.08x + 0.06 (2000 - x) = 135\n\n0.08x + 120 - 0.06x = 135\n\n0.02x = 135 - 120\n\n0.02x = 15$

Divide both sides by 0.02

x = 750

Then,

2000 - x = 1250

Thus, Rs 750 was borrowed at 8 % interest rate and Rs 1250 was borrowed at 6 % interest rate

450 is 75% of what number

Answers

•75% = 0.75
•450 ÷ 0.75 = 600
•450 is 75% 0f 600
There are the steps that I used to get that 450 is 75% 0f 600

just divide 450 by the 75%. So 450/.75 is 600

Algebra 2 questions

Answers

Answer:

Step-by-step explanation:

Write the word phrase that represents the following expression 14 divid 2

Answers

The quotient of 14 divided by 2.

I think you do 14 divided by 2

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.

Your skateboard ramp is 2 3/8 feet high. Your friends skateboard ramp is 2 2/5 feet high. Which skateboard ramp is higher?

Answers

2-3/8 = 2.375

2-2/5 = 2.4

2.4 - 2.375 = 0.025

Your friend's skateboard ramp is 0.025 foot higher
than your skateboard ramp is.

That's about 1.1% higher . . . 0.3 inch, or about 7.62 millimeters.

Answer:

your friends skateboard is higher

Step-by-step explanation:

If you do the problem, and need work, do this, convert 2 3/8 to a decimal as well as 2 2/5. Which ever one is bigger as a decimal is the higher one.

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