twebb8190 twebb8190

14-02-2022
Mathematics

contestada

A car and truck traveling in opposite directions left Washington, D.C. The car traveled 19 miles per hour faster than the truck, and at the end of 3 hours the vehicles were 1448 miles apart. What was the average speed of each vehicle?

Respuesta :

nilsgong nilsgong

15-02-2022

Answer:

1391/6 and 1505/6

Step-by-step explanation:

Let x be truck's speed and x+19 be car's speed. Since they are going opposite, we can set up an equation: 3(2x+19)=1448. x= 1391/6

Answer Link

Otras preguntas

Correct me Please, Which pronoun best completes the sentence? How is the pronoun used? Rita and __________ will be co-captains of our field hockey team. A. I; s

Action wheels Manufactures models of antique cars for collectors. In August,it manufactured 300 model cars.In September, action wheels manufactured 5 %fewer

Which word correctly completes the sentence? __________ shoes are these in the middle of the kitchen floor? A. Who's B. Who'se C. Whose

Reagan embraced the idea that through tax incentives the private sector would shift its resources from tax shelters to productive investment. This theory is ref

Mandy has 50 yards of fabric to make costumes for a play. She makes 12 skirts that take 3 yards each, and 9 hats that each take 1 yard. Which expression represe

The best definition of a "citizen" is a person who A)gives allegiance to a government B)naturalized citizens C) U.S. citizens D) immigrants

When a farmer changes the crops each year in the same field that is called ______. terracing tributary rotation access

Which personal pronoun correctly completes the sentence? It was Stephanie and __________ at the door. A. mine B. me C. I

Which personal pronoun correctly completes the sentence? The ones in charge are __________ and the boys. A. us B. we C. ours

In which battle did the Athenian navy decisively defeat a large Persian fleet and save Greece from invasion? A. Battle of Marathon B. Battle of Ephesus C. Battl