Mathematics, 16.06.2021 23:00 shhells
Diego’s family car holds 14 gallons of fuel. Each day the car uses 0.6 gallons of fuel. A warning light comes on when the remaining fuel is 1.5 gallons or less.
1. Starting from a full tank, can Diego's family drive the car for 14 days without the warning light coming on? Explain your reasoning.
2. Starting from a full tank, can Diego’s family drive the car for 25 days without the warning light coming on? Explain your reasoning.
3. Diego says the expression 14 - 0.6t helps him to understand this situation. What does this expression represent, and what does the variable t stand for?
4. Write and solve an equation to determine the number of days Diego’s father can drive the car without the warning light coming on.
5. Write and solve an inequality that represents this situation. Explain clearly what the solution to the inequality means in the context of this situation.
Answers: 2
Mathematics, 21.06.2019 14:00, crispingolfer7082
What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12
Answers: 1
Mathematics, 21.06.2019 18:50, hartmaaj95
The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103
Answers: 3
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