Mathematics
Mathematics, 04.11.2021 19:40, omar2334

4. Kelly bought a total of 30 game cards some of which cost $0.45 each and some of which cost $0.60 each. If Kelly spent $16.05 to buy these cards, how many cards of each type did he buy? write the lease number first, use a comma with no space.

Please help

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:00, ashleyd9243
What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9
Answers: 2
image
Mathematics, 21.06.2019 17:50, tiffcarina69
F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright
Answers: 2
image
Mathematics, 21.06.2019 19:10, madimocaj
Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?
Answers: 2
image
Mathematics, 21.06.2019 19:30, ray2220
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Do you know the correct answer?
4. Kelly bought a total of 30 game cards some of which cost $0.45 each and some of which cost $0.6...

Questions in other subjects:

Konu
Mathematics, 05.06.2021 18:10
Konu
Mathematics, 05.06.2021 18:10
Konu
Social Studies, 05.06.2021 18:10
Konu
History, 05.06.2021 18:10