Mathematics, 03.09.2020 23:01 rjeus
Which statement accurately describes the Doppler effect? It was used by Hubble to measure velocities of galaxies. It indicates galaxy motion through changes in sound waves. It indicates a galaxy moving toward Earth through red shift. It indicates a galaxy moving away from Earth through blue shift.
Answers: 3
Mathematics, 21.06.2019 16:20, hann647
Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants
Answers: 1
Mathematics, 21.06.2019 18:00, BlueExorcistReaper
Solve 2^x=32 and rewrite this equation in a logarithmic form
Answers: 2
Mathematics, 21.06.2019 18:30, josephmartinelli5
What is the prime factorization of 23 ?me with this question
Answers: 1
Which statement accurately describes the Doppler effect? It was used by Hubble to measure velocities...