Mathematics, 17.10.2019 18:00 naomicervero
There were 80 boys and 95 girls on the middle school track team last year this year the number of boys increased by 15% well the number of girls decreased by 20% was there an overall increase or decrease in the number of students on the track team calculate the overall percent of change in the number of students on the track team
a. 1% increase
b.4% increase
c.17.7% increase
d.1% decrease
e.4% decrease
f.17.7% decrease
Answers: 3
Mathematics, 21.06.2019 19:00
How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution
Answers: 2
Mathematics, 21.06.2019 23:00
The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z
Answers: 2
Mathematics, 21.06.2019 23:10
Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.
Answers: 1
There were 80 boys and 95 girls on the middle school track team last year this year the number of bo...
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