Use a cosine function to describe the height of the tides of the ocean if high tide raises the water level to 5 m at noon and low tide drops it down to 1 m at 4 p.m. Let t = 0 be 12 noon.

Use a cosine function to describe the height of the tides of the ocean if high tide raises the water level to 5 m at noon and low tide drops it down to 1 m at 4 p.m. Let t = 0 be 12 noon.Grade 12... more

What is the area of a right triangle when the hypotenuse is 5 cm long and one angle is x/10 radians?

What is the area of a right triangle when the hypotenuse is 5 cm long and one angle is  radians?Grade 12 Advanced Functions (MHF4U)Please write neatly and clearly. Thanks

12/02/22

Its a long one and is hard, please help me

A store is having a sale on walnuts and chocolate chips. For 3 pounds of walnuts and 5 pounds of chocolate chips, the total cost is $15. For 6 pounds of walnuts and 2 pounds of chocolate chips, the... more

12/01/22

Medicine is given in an amount proportional to a patient's body weight. Say a patient weighing 150 pounds requires 144 milligrams of medicine. What is the weight of a patient who needs 174.72?

A certain medicine is given in an amount proportional to a patient's body weight. Suppose a patient weighing 150 pounds requires 144 milligrams of medicine. What is the weight of a patient who... more

12/01/22

Need Help step by step

For a certain company, the cost function for producing xx items is C(x)=30x+100 and the revenue function for selling xx items is R(x)=−0.5(x−70)2+2,450. The maximum capacity of the company... more

12/01/22

solve the inequality. then, graph the solution.

six less than the product of a number n and 1/5 is no more than 97

12/01/22

Arithmetic Sequences

Write the first six terms of the arithmetic sequence:a1= 1/2, d=-1/2

12/01/22

slope intercept form

Write a linear function in slope-intercept form or point-slope form with the values f(2) = 4 and f(-1)=4.

12/01/22

What is the expression of 6 more then Y

I need the answer

12/01/22

Which expressions are equivalent to -56z+28? Choose 2 answers.

A. 1/2 x (-28z+14) B. (−1.4z+0.7) C. (14−7z)⋅(−4) D.(8z−4)(−7) E. −2(−28z−14)

12/01/22

If x and y are in direct proportion and y is 35 when x is 7, find y when x is 10.

THE OTHER GUY WAS WRONG

12/01/22

Mathematics Algebra

m=5; b=-4

12/01/22

Mathematics Algebra

m=5; b=-4

12/01/22

Find the equation of the quadratic function given its vertex (-4,3) and the origin V(0,0)

Plz tell me the procedures too I'm having a hard time in solving this thank you in advance

12/01/22

How many solutions does this equation have? 6t − 15 = 3(2t − 5)

How many solutions does this equation have?6t − 15 = 3(2t − 5)

12/01/22

Angle A = (2x-19) and angle B = (x+7), then find angle measure for B

There complementary angles

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