mary is saving to buy a used car. she has already saved $875.00. she can save $25.00 each week. her uncle has a car he will sell her for $1,400. write an equation and determine how many weeks will it take her savings to reach $1,400.00.

equation:

solution:

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.

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The quadratic function h(t)=-16.1t^2+150 choose the graph representation