Rewrite with positive exponents, and simplify, if possible. $((8xz)/(9y))^(-1/2)$

Answers

Answer 1

Answer: $\left((8xy)/(9y)\right)^{-(1)/(2)}=\left((9y)/(8xz)\right)^(1)/(2)=(√(9y))/(√(8xz))=(3√(y))/(√(4\cdot2xz))=(3√(y))/(2√(2xz))\cdot(√(2xz))/(√(2xz))=(3√(2xyz))/(2\cdot2xz)=(3√(2xyz))/(4xz)$

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How to find the circumfrance of a circle

Answers

If you have the diameter, it's Pi times diamter, if you have radius, it's 2 times Pi times the radius.

diameter × pi. pi is 3.14

Katrina drinks 0.5 gallons of water per day. Which expression shows how to find the number of cups of water she drinks in a week? HELP!!!!!

Answers

0.5 gallons/ 1 day × 16 cups/1 gallon × 7 days/1 week

.5 gallons equals 8 cups of water. Then 8×7=56 cups of water because there are 7 days in a week.

Shannon and her family are traveling in the car. Her mom brought 1/2 pound of raisins to share equally between the four family members. How much will each person get?

Answers

Each family member will recieve .125 pounds of raisins because 1/2 divided by 4 = .125

Answer: 1/8

The answer is: 1/8

Evaluate - 13=-3x+ 4x+10

Answers

Answer:

-23

Step-by-step explanation:

-13-10=-3x+4x

-23=1x

-23 divided by 1=-23

Round off 24.67 to one significant

Answers

Answer:

The answer is: 20

Step-by-step explanation:

Significant figures are the meaningful digits that contribute to the precision and accuracy of the given number.

The given number: 24.67 has four significant figures because all the non-zero digits are significant.

Rounding off refers to the method of expressing the given number to the nearest whole number or nearest thousand, hundred, ten, etc.

Now, rounding off the given number (24.67) to one significant figure gives 20, which has only one significant figure. As the trailing zero is not significant.

24.67 rounded to one significant figure would be 25.

Dominique deposited $3,000 into an account earning simple interest. The interest rate is 2.6%. How much interest will Dominique earn in 5 years? How much money will be in the account after 5 years? (assuming no new deposits SHOW THE WORK PLEASE

Answers

Answer:

$390

Step-by-step explanation:

Way 1:

$3,000 x 2.6 % = $78

$78 x 5 = $390

Way 2:

$3,000 x (2.6x5) =

$3000 x 13% =

$390

Hope that helps!

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