Chapter R.1, Problem 70PE

Which is greater, an increase of 10° Fahrenheit or an increase of 10° Celsius? Justify your answer. 10° Celsius, because each degree Fahrenheit is equivalent to 1.8° Celsius. 10° Fahrenheit, because each degree Celsius is equivalent to 1.8⁰ Fahrenheit. 10° Celsius, because each degree Celsius is equivalent to 1.8° Fahrenheit. 10° Fahrenheit, because each degree Fahrenheit is equivalent to 1.8° Celsius.

The Richter scale is used to rate the magnitude of an earthquake by how much energy it releases. Below is a list of historic earthquakes, the energy released, and the rating on the Richter scale. Earthquake Northridge (USA), 1994 Valdivia (Chile), 1960 Tibet, 1950 Mexico City, 1985 Sumatra-Andaman, 2004 y = Energy, measured in petajoules 0.7 112,202 501 89 2,818 The rating on the Richter scale can be modelled by a logarithmic regression function of the form y a+b ln x where x is the energy of the quake, in petajoules (quadrillion Joules), and y is rating on the Richter scale. Determine a logarithmic regression function that could be used to model these data. Round the values of a and b to the nearest tenth. Richter scale 6.7 9.5 8.6 8.1 9.1 -In(x) According to the logarithmic regression function, determine the rating of an earthquake with 277 petajoules of energy. Round to one decimal place. The rating is on the Richter scale.

The average running speed of watch users is 6 miles/hr. The average speeds of three users are provided. Which user's speed is closest to the average speed? Write your answer in the box given below. Hint: Speed = Distance/Time User 1: 20 miles in 2 hours The user whose speed is closest to the average speed is: User User 2: 6 miles in 3 hours User 3: 8 miles in 2 hours

A cruise boat travels 12 miles downstream in 2 hours and returns to its starting point upstream in 6 hours. Find the speed of the stream. OA. 4.002 mph B. 6 mph O C. 1.998 mph OD. 10.002 mph

In a recent survey, a magazine reported that the preferred room temperature in the summer is 68°F. A wall thermostat, like the ones shown below, tells a room's temperature in degrees Fahrenheit Sarah's Upstairs Bedroom Downstairs Bedroom 72°F 64°F a. Which bedroom is warmer than the recommended room temperature? b. Which bedroom is cooler than the recommended room temperature? c. Sarah notices that her room's temperature is 4°F above the recommended temperature, and the downstairs bedroom's temperature is 4°F below the recommended temperature. She graphs 72 and 64 on a vertical number line and determines they are opposites. Is Sarah correct? Explain. d. After determining the relationship between the temperatures, Sarah now decides to represent 72°F as 4 and 64°F as -4 and graphs them on a vertical number line. Graph 4 and -4 on the vertical number line on the right. Explain what zero represents in this situation. EUREKA MATH Lesson 4: The Opposite of a Number O 2019 Great Minds.…

Many colleges assign numerical points to grades as A- 4, B – 3, C - 2, D– 1, and F- 0. Find the grade point average for the following semester grade report. Course Credits Grade Math 3 English Physics 3 2 German 4 History 5 ..... The grade point average is (Round to the nearest hundredth.) LUUDD

In 1977, the number of high school dropouts in a country was 5212 thousand. By 2006, this number had decreased to 3120 thousand. Find and interpret the average rate of change per year in the number of high school dropouts. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to the nearest tenth as needed.) O A. The average rate of change is about OB. The average rate of change is about OC. The average rate of change is about O D. The average rate of change is about C thousand each year. The number of high school dropouts increased by an average of about thousand each year. The number of high school dropouts decreased by an average of about thousand each year. The number of high school dropouts decreased by an average of about thousand each year. The number of high school dropouts increased by an average of about thousand in the year 2006. thousand each year from 1977 to 2006. thousand in the year 2006. thousand each year from 1977 to 2006.

An ATM machine works  at the rate of 18 an hour . Ther service transaction rate  is  12 customers every half an hour .what is the  average number  of customers  in the  system. 3  2.25 10 7.5 0.75

The population in Terre Haute Indiana in 2012 was 61,112 in 2019 the population was 60,622. Clinton Indiana’s population in 2012 was 4,800 residents in 2019 4,700 people called Clinton home. Explain which city had the largest population relative increase or decrease.