Mathematics, 08.01.2020 05:31 Naysa150724
on average, a person's heart beats about 4.2 x 10 to the power of 7 times per year. there are about 7,600,000,000 people in the world. use this data to determine the approximate number of heartbeats for all people in the world per year. expressing your answer in scientific notation in the or a x 10^b, what are the values of a and b?
Answers: 3
Mathematics, 21.06.2019 18:30
Nick has box brads. he uses 4 brads for the first project. nick letβs b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.
Answers: 3
Mathematics, 21.06.2019 23:20
Question 4 of 102 pointsjuliana had $96, which is eight times as much money as al had. how mucmoney did al have? select the correct solution method below, representingals money with x.
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Mathematics, 21.06.2019 23:30
Solve the following: 12(x^2βxβ1)+13(x^2βxβ1)=25(x^2βxβ1) 364xβ64x=300x
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Mathematics, 22.06.2019 00:40
Which linear function represents the line given by the point-slope equation y + 1 = β3(x β 5)?
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on average, a person's heart beats about 4.2 x 10 to the power of 7 times per year. there are about...
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