lostgirl14480 lostgirl14480

22-02-2018
Mathematics

contestada

how many quarters and dimes of 80 coins make up 14.45

Respuesta :

meredith48034 meredith48034

22-02-2018

q + d = 80
.25q + .10d = 14.45

q. + d= 80
25q + 10d = 1445

-10q. - 10d = -800
25q + 10d = 1445

15q. = 645

q = 43 quarters

43 + d = 80

d= 37 dimes

Answer Link

Otras preguntas

Let A=[[1,-1,-1,3],[2,-2,0,4]], then the set [[1],[1],[0],[0]],[[-2],[0],[1],[1]] form a basis for: 1) Null space of A 2) Column space of A 3) Row space of A 4)

Write 15 words respond sentences . The respond should Include specific reference to the main idea of the classmates post and to the assigned reading or topic, e

Discrimination is a negative attitude toward members of a group. True False

How many sides does a polygon have if the measure of one interior angle is 171

Question 4(Multiple Choice Worth 2 points) (05.03 LC) What is an archetype? O something that stands alone because it is so different from others An original pat

Your classmate wants you to check her work. She is working on a math question that asks her to determine the slope of a line given on a graph. You can see that

Settlers from which of the following areas moved into African city-states creating growth? O North and South America O Middle East and Europe O Middle East and

asdasdasdasdwasdwasdwadsawdsawdsawdsasd

Scientists are examining two different strains of a particular bacteria. The length of one strain of the bacteria measures 0.000000589 mm, while the length of t

Sources of intrinsic motivation include rewards and avoiding punishment. Is it true?