Which inequality best models the situation if variable t is the temperature in degrees Celsius? A severe weather warning is issued when temperatures fall below –18.5°C. Show the possible temperatures when the alert is issued.

A.
t < –18.5 and t may be a negative number.

B.
t < –18.5 and t must be a positive number.

C.
t > –18.5 and t may be a negative number.

D.
t > –18.5 and t must be a positive number.
please help Ive got 4 more questions

Answers

Answer 1

Answer: your answer is A because t=temperature and since the temperature is below -18.5 it would be a negative and your equation would be t< -18.5

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Identify the input and the output given the relation described: Mr. Edward wants to find the cost of parking his car at a shopping center for a few hours. ___________

Answers

The input is the cost or the amount of money Mr. Edward has to pay in order to park. The output is the parking space allotted for every hour that the car is parked.

It could also be that the input is the effort Mr. Edward put in asking for the cost while the output is the information needed by Mr. Edward - the cost of parking per hour.

Find the value of n.

22n=418

Answers

418 divided by 22 is equal to 19

And that’s the answer

A car travels 240 miles in 12 hours. what is the rate in miles per hour? in hours per mile?

Answers

The formula to find the answer is:
D is distance
T is time
S is speed

D=240
T=12
S=240/12
so to find S you do 240/12= 20
So the car goes 20mph (miles per hour)
I hope I helped! :)

Answer:

Your answer is 20

Hope this helps have a good day!

Step-by-step explanation:

240 divided by 12 is 20

Markus receives dollar bills from his grandfathet for one week.On the first day he received $1; on the second day he received $2, on third day he received $4, and on the foruth day he received $8. If this continuse , how much money will markus have by the end of the week?

Answers

Marcus, oh boy I wish my grandpa did this with me, but Marcus would end the week with $167.

At a table Tennis tournament, two games went on for a total of 32 minutes long. One game took 12 minutes longer than the other. How long did it take to complete each game? Use letters to represent the unknowns. Solve the problem

Answers

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Simplify the expression: 5( 2j + 3 + j) using the distributive and commutative properties and combining like terms below: (i need 2 equations)

Answers

Answer:

5( 2j+j+3)

15j + 15

Step-by-step explanation:

5( 2j + 3 + j)

Combine like terms

5( 2j+j+3)

5( 3j + 3 )

Distribute

5*3j + 5* 3

15j + 15

Answer:

15j + 15, or 15(1 + j).

Step-by-step explanation:

We must do the work inside the parentheses first. We get 5( 2j + j + 3), or

5(3j + 3), and then 15j + 15, or 15(1 + j).

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