42 gallons in 8 minutes. What is the unit rate?

Answers

Answer 1
Answer:

The unit rate would be gallons per minute.

Divide total gallons by total minutes:

42/8 = 5.25

Unit rate = 5.25 gallons per minute


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Lola used 2 1/2 ink cartridges while her friends used 1 3/4 ink cartridges. How many more ink cartridges did Lola use than her friends

Answers

Answer:

Lola used 3/4 more ink cartridges than her friends

Step-by-step explanation:

What two numbers is the square root of 74 between?​

Answers

Answer:

8 and 9

Step-by-step explanation:

√64 = 8

√81 = 9

√74 falls inbetween those 2

8 and 9
8*8=64
9*9=81
74 is between those

I need help please ​

Answers

Answer-44


You can turn both of the denominators ( bottom numbers on the fractions ) into 120 ( the whole number ) and the top numbers can be multiplied by how many times the denominators went into 120. Then add the top numbers which equals 76 and then 120-76=44. Hope that kinda helps !!

the average growth hair is 0.5 inch per month. find how long it take a human to grow 3 inches of hair. write an eqution and solve

Answers

Answer:

x+ 0.5=3 this is the equation

Step-by-step explanation:

first you would subtract 0.5 on both sides. Then  You have an answer  of x=2.5

Hope this helped have a good day :D

A certain social site has grown rapidly, Accerding to one repart, about 6 million users were added each day, How many users were added, on average, each second? (Round your answer to the nearest integer.) users/second elook

Answers

Answer:

69 users.

Step-by-step explanation:

First, we need to calculate the amount of seconds in one day.

a) Each hour has 60 minutes and each minute has 60 seconds.

Therefore, one hour has (60)(60) = 3600 seconds.

b) Since the day has 24 hours, we are going to multiply the total amount of seconds per hour by 24.

3600 (24) = 86400 seconds per day.

c) Now that we have the amount of seconds per day, we are going to divide the total amount of users added each day by the amount of seconds per day.

6000000/86400 = 69.44 users per second.

Therefore, 69 users are added, on average, each second.

Use the rules for logarithms and exponents to write this equation in logarithmic form.?For the equation K = Ae^(-ΔH/RT), solve for ln K using logarithms and exponents.

Answers

Answer:

ln K = ln (A) -(\Delta H)/(RT)

Step-by-step explanation:

For this case we have the following expression:

K = A e^{-(\Delta H)/(RT)}   (1)

And we want to find the value of ln K. If we apply natural log on both sides of the equation (1) we got:

ln K = ln(A e^{-(\Delta H)/(RT)})

Using the following property:

ln(xy) = ln (x) + ln(y) for x and y real numbers, x>0, y>0, then we have:

ln K = ln (A) + ln (e^{-(\Delta H)/(RT)})

Now since the natural log and the exponentiation are inverse operations we have this:

ln K = ln (A) + (-(\Delta H)/(RT))

And then the final expression for ln K is :

ln K = ln (A) -(\Delta H)/(RT)