Mathematics, 05.04.2021 19:40 awesome266
Nadia walks at an average speed of (x + 2) km/h
for (x - 3) hours and cycles at an average speed of
(3x + 5) km/h for x hours. She covers a total
distance of 74 km.
(i) Form an equation in x and show that it reduces
to 4x2 + 4x - 80 = 0.
(ii) Solve the equation 4x2 + 4x – 80 = 0.
(iii) Find the time taken for her entire journey.
Answers: 3
Mathematics, 21.06.2019 19:30
[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)
Answers: 1
Mathematics, 21.06.2019 21:40
The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?
Answers: 3
Mathematics, 21.06.2019 22:00
Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?
Answers: 1
Mathematics, 22.06.2019 01:00
Here is another math questions. i will keep asking different questions. 4^2x=6
Answers: 2
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