Mathematics, 27.08.2019 17:40 ayoismeisalex
Sandra is selling red and yellow roses. on the first day she sold 4 red roses and 1 yellow rose for a total of $7. on the second day she sold 3 red roses and 1 yellow rose for a total of $6. what was the price of the two types of roses?
use the substitution method pleaaass
pleasseee explain : )
Answers: 1
Mathematics, 21.06.2019 16:30, leenzazou98241
The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 17:20, mqturner1989Kedie
Select a graph that have an equation with a < 0
Answers: 2
Mathematics, 21.06.2019 18:00, roseemariehunter12
Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia
Answers: 1
Mathematics, 21.06.2019 18:00, dlaskey646
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 1
Sandra is selling red and yellow roses. on the first day she sold 4 red roses and 1 yellow rose for...
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