The flight of one type of rocket is described by a function h = −5(t − 3)2 + 50, where h is the height of the rocket, in metres, and t is the time, in seconds, since the rocket was fired.
a. What was the max height of the rocket?b. At what time the max height was reached?c. What was the initial height of the rocket?d. What was the height of the rocket after 2 seconds of the flight?...
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What is the nexxt number in this sequence?
10 5 8 4 7 3.5 6.5 ?Answer Choices:2.5, 1.5, 4.25, 3.25, 3, 5.25
06/02/21
Trigonometric function
Suppose the terminal arm for the angle theta passes through the point (1,-4) a). Draw the angle from the standard position and determine the length of the radius. b). Find all 6 trigonometric...
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06/02/21
I neeed help with math
Express the following fraction in the simplest form using only positive exponents.(5s3)2 2s8
Statistics Question, urgent help
Which formula is used? Explain whyShow all steps please I really don't understand
Statistics Question, please explain steps
Please explain all steps, thank you. Which formula is used?Why is it not 0.82(0.7) + x(0.9) / 0.7 + 0.9?
Integrals Problem
∫410 f(x)dx − ∫49f (x)dx = ∫ab f(x)dxwhere a= and b=
Integrals Problem
Given that 7≤f(x)≤10 for 1≤x≤4, estimate the value of ∫14 f(x)dx ....... ≤ ∫14 f(x)dx ≤ ......
06/02/21
what is the missing constant term in the perfect square that starts with expression below x^2+24x
need help asap! thanks!
A. Explain the procedure (but don't create the graph) for graphing the quadratic function in vertex form f(x) = 2(x - 3)2 - 1 using pencil and paper. Your explanation should show your understanding...
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How many gallons?
How many gallons of a 80% antifreeze solution must be mixed with 100 gallons of 20% antifreeze to get a mixture that is 70% antifreeze? Use the six-step method.
06/02/21
What was her average speed on Friday?
It took Ellen 2.7 hours to drive to her mother's house on Thursday morning. On her return trip on Friday night, traffic was heavier, so the trip took her 3 hours. Her average speed on Friday was...
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06/02/21
How many of each denomination of coins does he have?
A man has a box of coins that he uses when playing poker with friends. The box currently contains 35 coins, consisting of pennies, dimes, and quarters. The number of pennies is equal to the number...
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06/02/21
Which of the following word problems can be solved using the equation 4x+6=34? Select all that apply.
Which of the following word problems can be solved using the equation 4x+6=34?Select all that apply.A. Maria has 6 one dollar bills and some quarters, totaling $34. How many quarters doesshe...
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06/02/21
Find the quotient of the following using long division and synthetic division. (I badly need someone's help😣)
2x4-9x3+9x2+5x-1÷(2x+1)
2x3+4x2-x-12÷(x+4)
06/02/21
Basic math fractions!
Joseph had 3 gallons of lemonade. He wanted to give each of his 1/8friends of a gallon. How many friends would receive lemonade?
06/02/21
college algebra help
Shaun invests $5800 in two different accounts. The first account paid 7 %, the second account paid 9 % in interest. At the end of the first year he had earned $490 in interest. How much was in each...
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06/02/21
A 19 -ft ladder leans against a building so that the angle between the ground and the ladder is 79 ∘ 79 ∘ . How high does the ladder reach on the building?
A 19-ft ladder leans against a building so that the angle between the ground and the ladder is 79 degreesHow high does the ladder reach on the building? ft=
06/01/21
i need help plsssss
Mary Lou is three times George’s age and Kate is three years younger than George. The sum total of their ages is 17. How old is each person?
06/01/21
What the ferries
A ferries wheel is 10 meters in diameter and boarded from a platform that is 1 meters above the ground. The six o’clock position on the ferries wheel is level with the loading platform. The wheel...
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06/01/21
A stereo is normally $540 and today is on sale for 25% off how much do you say by buying it today
06/01/21
please explain clearly thank you this is precalculus by the way
If csc ( x ) = 7 , for 90 ∘ < x < 180 ∘ , thensin ( x/2 ) =cos ( x/2 ) =tan ( x/2 ) =
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