Math hes

On Monday, the temperature was -4 degrees Celsius. On Tuesday, the temperature dropped 3 degrees. On Wednesday, the temperature dropped another 1 degree. On Thursday, the temperature rose 8 degrees. What was the temperature on Thursday in degrees Celsius?

0 On Monday, the temperature started at -4 degrees. Then, on Tuesday, it dropped 3 degrees: -4 - 3 = -7 So, on Tuesday, the temperature was 7 degrees below zero. Then, on Wednesday, the temperature dropped another 1 degree: -7 - 1 = -8 So, on Wednesday, the temperature was 8 degrees below zero Celsius. Then, on Thursday, the temperature rose 8 degrees: -8 + 8 = 0 So, on Thursday, the temperature was 0 degrees Celsius.

On January 4, the temperature was 10 degrees Fahrenheit. On January 5, the temperature was -4 degrees Fahrenheit. Which of the following statements best describes the change in temperature?

The temperature dropped 14 degrees. Let's put these values on a number line. Most thermometers are vertical, so we will have our number line be vertical as well. On January 4th, it was 10 degrees above zero, so that mark will be at the top. 0 is marked in blue as our anchor. On January 5th, it was -4 degrees. That means it was 4 degrees below 0, so it will be at the bottom. The difference in these values is 10 + 4 = 14. We can see that from January 4th to January 5th, the temperature dropped 14 degrees.

On Monday, the temperature was -6 degrees Celsius. On Tuesday, the temperature rose 10 degrees. On Wednesday, the temperature dropped another 5 degrees. On Thursday, the temperature dropped another 7 degrees. What was the temperature on Thursday in degrees Celsius?

-8 -6 + 10 - 5 - 7 → 4 - 5 - 7 → -1 - 7 = -8 degrees Celsius On Monday, the temperature started at -6 degrees. On Tuesday, it rose 10 degrees: -6 + 10 = 4 So, on Tuesday, the temperature was 4 degrees above zero. Then, on Wednesday, the temperature dropped another 5 degrees: 4 - 5 = -1 So, on Wednesday, the temperature was 1 degree below zero Celsius. Then, on Thursday, the temperature dropped another 7 degrees: -1 - 7 = -8 So, on Thursday, the temperature was -8 degrees Celsius (or 8 degrees below zero Celsius).

On Tuesday, the temperature was -11 degrees Celsius. On Wednesday, the temperature rose 6 degrees. On Thursday, the temperature dropped 2 degrees. On Friday, the temperature rose 9 degrees. What was the temperature on Friday in degrees Celsius?

+2 On Tuesday, the temperature started at -11 degrees. Then, on Wednesday, it rose 6 degrees: -11 + 6 = -5 So, on Wednesday, the temperature was 5 degrees below zero. Then, on Thursday, the temperature dropped 2 degrees: -5 - 2 = -7 So, on Thursday, the temperature was 7 degrees below zero Celsius. Then, on Friday, the temperature rose 9 degrees: - 7 + 9 = 2 So, on Friday, the temperature was +2 degrees Celsius (or 2 degrees above zero Celsius).

On Tuesday the temperature was -3 degrees Celsius. On Wednesday, the temperature rose 7 degrees. On Thursday, the temperature dropped 6 degrees. On Friday, the temperature rose 5 degrees. What was the temperature on Friday in degrees Celsius?

+3 On Tuesday, the temperature started at -3 degrees. Then, on Wednesday, it rose 7 degrees: -3 + 7 = 4 So, on Wednesday, the temperature was 4 degrees above zero. Then, on Thursday, the temperature dropped 6 degrees: 4 - 6 = -2 So, on Thursday, the temperature was 2 degrees below zero Celsius. Then, on Friday, the temperature rose 5 degrees: -2 + 5 = 3 So, on Friday, the temperature was +3 degrees Celsius (or 3 degrees above zero Celsius).

145 flights depart from the airport every day. How many flights will depart at a time that is two days longer than r days?

145(r + 2) Since this question asks us to write an expression, we know that our answer will include the variable from the sentence and should reflect what is happening in the description of the scenario. First, we need to determine what the variable in the scenario represents. r = the number of days Next, we see that the timeframe we're working with is two days longer than r days. That means we must add this to the variable. Now, the timeframe we are working with looks like this: r + 2 Lastly, we also know that 145 flights leave each day. Since we want to know how many flights leave within our specific timeframe (r + 2) we need to multiply the time frame by the number of flights that leave each day (145). 145(r + 2) Since we are trying to determine the total number of flights that have left the airport, this expression would allow us to figure this out once we were provided with the number of days that are within the specified timeframe.

Write an expression for the following scenario: Each week, a bakery can produce 150 loaves of bread. One week, the machines were down and were only able to produce 78 loaves of bread. How many loaves was the bakery able to produce after w weeks?

150(w - 1) + 78 Since this question asks us to write an expression, we know that our answer will include the variable from the sentence and should reflect what is happening in the description of the scenario. First, we need to determine what the variable in the scenario represents. The variable tells us how many weeks the machines were working. w = number of weeks the machines were working We need to represent that the bakery made 150 loaves for each week the machines were working. However, we cannot forget the week they were down, which impacted the number of loaves they were able to make. Since the total number of weeks is w and there was one week the machines were not working, the number of weeks they were working is (w - 1). So, we begin to create our expression. We will use multiplication to find the total loaves: 150(w-1) We also want to represent the loaves made the one week when the machine was not working, which was 78. 150(w - 1) + 78 This new expression accounts for the weeks that the machines were working plus the one week they were not.

Write an expression for the following scenario: The prize of $852 must be divided equally among the x people who won it. How much would each person get?

852 ÷ x Since this question asks us to write an expression, we know that our answer will include the variable from the sentence and should reflect what is happening in the description of the scenario. First, we need to determine what the variable in the scenario represents. x = the number of people the money will be divided between Now we need to show that the total ($852) will be divided between an unknown number of people (x). 852 ÷ x Since we are trying to determine the amount each person will receive when splitting the prize, this expression would allow us to figure this out once we were provided with the number of people who are splitting the prize.