the sum of two numbers is 8. their difference is 12. find the numbers. Question solved general 10 months ago 5559

Jones covered a distance of 50 miles on his first trip. On a later trip he traveled 300 miles while going three times as fast. His new time compared with the old time was:(a) three times as much, (b) twice as much, (c) the same, (d) half as much, (e) a third as much Question solved general 10 months ago 7275

Choose the best answer. A 50-foot tree casts a shadow 75 feet long. The sine of the angle between the ground and the line that connects the tip of the shadow to the top of the tree is approximately _____. Question solved general 10 months ago 7415

What is the equation of the line that passes through the point of intersection of the lines y = 2x − 5 and y = −x + 7, and is also parallel to the line y=1/2x+4?y= -1/2x - 3y= 1/2x+1y= -1/2x + 4y = 2x − 1 Question solved general 10 months ago 5128

The tortoise and the hare are having a race. In this tale, the tortoise moves at 50 feet per hour while the hare moves at 250 feet per hour. The tortoise takes 8 hours longer than the hare to finish. What was the distance of the race? Question solved general 10 months ago 6742

there are 3 red paper clips, 5 yellow paper clips, and 6 silver paper clips in a jar. what is the ratio of the total number of paper clips to the red paper clips A.14:3B.11:3C.3:14D.3:11 Question solved general 10 months ago 1909

The function f(t) = 5 cos(pi over 6t) + 7 represents the tide in Stanley Sea. It has a maximum of 12 feet when time (t) is 0 and a minimum of 2 feet. The sea repeats this cycle every 12 hours. After four hours, how high is the tide? 11.3 feet 9.5 feet 4.5 feet 2.6 feet Question solved general 10 months ago 3765

Dianne manufacturers Mexican and American flags. Due to the cost of color,she charges $20 for Mexican flags and $15 for American flags. She sold twenty-eight flags and accumulated $460. How many flags of each type did she sell? Question solved general 10 months ago 9398

Hillary pays 9.25 of her monthly Life insurance premium, and her employer covers the rest. If her monthly premium 36.50, what is the annual value to Hillary of this benefit Question solved general 10 months ago 9375

WILL GIVE A BRAINLEST !!!To find how high school students feel about hot lunches, Adam walks to the nearest high school and gives a survey postcard to every twentieth student that enters the building. He asks the students to mail the postcard in if they choose to participate in the study.Select all sampling methods used.clusterconveniencesimple randomstratifiedsystematicvoluntary Question solved general 10 months ago 2253

WILL GIVE A BRAINLEST FOR RIGHT ANSWER !!!To determine customer satisfaction with their service department, an automobile dealer randomly selects three stores from each state in the country and surveys all customers present in the store in a certain week.What type of sampling is used?stratifiedconveniencesimple randomsystematiccluster Question solved general 10 months ago 7184

WILLL GIVE A BRAINLESTA company wants to administer a satisfaction survey to its current customers. Using their customer database, the company randomly selects 100 customers and asks them about their level of satisfaction with the company.What type of sampling method is used?A. stratified sampleB. simple random sampleC. cluster sampleD. convenience sample Question solved general 10 months ago 7990

The picture shows a person taking a pinhole photograph of himself. Light entering the opening reflects his image on the wall, forming similar triangles. What is the height of the image to the nearest inch? Question solved general 10 months ago 5418

Sara is cutting ribbon for a craft project. She has 4 feet of ribbon, which must be cut into 7 equal lengths. How long will each piece of ribbon be after she has finisjed cutting Question solved general 10 months ago 6129

WILLL GIVE A BRAINLEST FOR RIGHT ANSWER!!!A survey of 1,565 households estimated that 72% of the households in a given state owned a television.What is the population? A. all the households in a given stateB. 1565 households surveyedC. 1127 households that owned televisions Question solved general 10 months ago 2438

(Law of Sines) In △BCD, d = 3, b = 5, and m∠D = 25°. What are the possible approximate measures of angle B? only 90° only 155° 20° and 110° 45° and 135° Question solved general 10 months ago 3201

Identify the domain of the function shown in the graphA. X is all real numbersB. 0<=x<=5C.x>0D.-5<=x<=5 Question solved general 10 months ago 1261

The function f(x)=125(0.9)x models the population of a species of fly in millions after x years.How does the average rate of change between years 11 and 15 compare to the average rate of change between years 1 and 5?A) The average rate of change between years 11 and 15 is about 1/3 the rate between years 1 and 5.B) The average rate of change between years 11 and 15 is about 1/2 the rate between years 1 and 5 .C) The average rate of change between years 11 and 15 is about 3 times the rate between years 1 and 5.D) The average rate of change between years 11 and 15 is about 2 times the rate between years 1 and 5 . Question solved general 10 months ago 6444