Help PlzJohn and Sara each bought the same type of pen and notebook in the school bookstore, which does not charge sales tax. John paid $5.55 for two pens and three notebooks, and Sara paid $3.50 for one pen and two notebooks. How much does the school bookstore charge for one notebook?SHOW WORK Question solved general 8 months ago 3149
Sara is completing the square to find the maximum or minimum value of the function f(x) = (2 - x) (5 + x). What is the first step that Sara must take? Does the function have a maximum or minimum value? What is that value?A)multiply the binomials; maximum value; 49/4B)multiply the binomials; minimum value; 49/4C)set each factor equal to zero and solve for x; minimum value; −2/5D)set each factor equal to zero and solve for x; maximum value; −7/2 Question solved general 8 months ago 4264
A forest ranger wants to install a 1,500 CFM (cubic feet per minute) fan. A ranger station consists of a rectangular prism and a rectangular pyramid. The base of the pyramid and prism is 10 ft by 8 ft. The height of the pyramid is 3 ft and the height of the prism is 8 ft. The ranger station requires one CFM per ft2. Will the fan provide enough airflow for the ranger station? Why or why not? Question solved general 8 months ago 1790
△PQR is reflected to form △P′Q′R′ . The vertices of △PQR are P(1,1) , Q(−1,−2) , and R(4,−2) . The vertices of △P′Q′R′ are P′(−1,1) , Q′(1,−2) , and R′(−4,−2) . Which reflection results in the transformation of △PQR to △P′Q′R′ ? reflection across the x-axis reflection across the y-axis reflection across y = x reflection across y=−x Question solved general 8 months ago 1084
A student measures the angle of elevation of a cloud to be 65° at point A. Then the student moves 100 feet in the direction of the cloud and takes a second observation at point B. At point B the elevation is 75. Using this information find the height, to the nearest foot, of the cloud directly above the ground. Question solved general 8 months ago 6039
Which of the following are examples of centripetal acceleration? Check all that apply. A. A car moving down a straight road B. A ball dropped from a second-floor window C. A girl running around a track D. A tetherball swinging around its pole CAN BE MORE THAN ONE ANSWER (BEST ANSWER GET BRAINLEIST) Question solved general 8 months ago 7675
A test is worth 100 points. The test is made up of 40 items. Each item is worth either 2 points or 3 points. Which matrix equation and solution represent the situation? Question solved general 8 months ago 1469
A spherical mini donut hole has a diameter of 6 centimeters. A large spherical donut hole has a diameter of 9 centimeters. Approximately how much greater is the volume of a large donut hole than the volume of a mini donut hole? 86 cm³113 cm³226 cm³268 cm³ Question solved general 8 months ago 7054
The line plot shows the number of hours two groups of teens spent studying last week.How does the data compare for the two groups of teens? The 13- to 15-year olds spent an average of 14 hours studying last week. The median value for the hours spent studying last week for the 13- to 15-year olds is greater than the median value for the hours spent studying last week for the 16- to 18-year olds. The range for the hours spent studying last week for the 13- to 15-year olds is the same as the range for the hours spent studying last week for the 16- to 18-year olds. The mode for the hours spent studying last week for the 13- to 15-year olds is less than the mode for the hours spent studying last week for the 16- to 18-year olds. Question solved general 8 months ago 6965
a triangle has an interior angle measuring 50 degrees and 32 degrees. Which triangles are simular to this triangle? Select true or faulse for EACH1.Triangle with interior angles measuring 50 AND 982Triangle with interior angles measuring 32 and 823.Triangle with interior angles measuring 50 and 824. Triangle with interior angles measuring 32 and 9820 POINTS!!!!!!!! WILL GIVE BRAINLIEST Question solved general 8 months ago 5411
Sixty-three people participated in a study to see if they were left-brain dominant or right-brain dominant. In the study, the people were also asked if they were left-handed or right-handed.The study revealed that 37 were left-brain dominant. The study also revealed that 21 were right-handed and right-brain dominant. Twenty-two people in the study were left-handed. Enter your answers in the boxes to complete the two-way table based on the given data. Question solved general 8 months ago 6069
The life of a manufacturer's compact fluorescent light bulbs is normal, with mean 12,000 hours and standard deviation 2,000 hours. Seth wants to find the probability that a light bulb he purchased from this manufacturer will last no more than 14,500 hours.How many standard deviations above the mean is 14,500 hours? Question solved general 8 months ago 1428
I REALLY REALLY REALLY NEED THE ANSWER YOU GUYS THIS IS SO IMPORTANT <3<3<3 WILL GIVE 20 POINTS Joe went to a fast food restaurant and bought 4 orders of fries and 2 burgers for $14. Becca went to the same fast food restaurant and bought 3 orders of fries and one burger for $9. Question(s): 1. Write a system of equations that models this situation. Let x represent orders of fries and y represent burgers. 2. Graph the two equations that models this situation and solve the systems using the graph. Let x represent the fries and y represent the burgers and find out how much each order of fries and burgers cost.3. Use elimination to find out how much an order of fries and a burger cost. GUYS I REALLY NEED THIS ASAP <3 THANKS SO MUCH(Please give correct answers) Question solved general 8 months ago 2515
Beverages at the Store 2,000 milliliters of soda 2.5 liters of apple juice 1,500 milliliters of fruit punch 2 liters of lemonade 2. Mandy wants to buy a variety of beverages for her birthday party. She wants to make sure she has enough to drink for all her friends, so she decides to buy 10 liters of beverages. If she buys at least one container of each beverage, what combination of beverages can she buy to equal exactly 10 liters? Question solved general 8 months ago 5134
Use the standard normal table to find P(z ≥ 1.4). Round to the nearest percent. Question solved general 8 months ago 9557
In the parallelogram drawn for the parallelogram method, what does the diagonal between the two terminal points of the vectors represent? Explain your answer. Question solved general 8 months ago 2036