Find two standard angles between 0° and 360° whose cosine value is -0.7. Round answer to 1 decimal place.

Find two standard angles between 0° and 360° whose cosine value is -0.7. Round answer to 1 decimal place.

Find the length of the part of the line y=x+6 'inside' (or above) the curve y=x^2. Leave answer in exact form.

The perimeter of a triangle is 10 (that is, a+x+(x+1)=10). Use this and the cosine law to solve for x. Round answers to 2 decimal places. Triangle: <BAC: 60degrees line...

Find roots of the function f(x)=112x^2-5x+1 -1 Express answer in exact form.

Two buckets are used to fill a large bathtub with water. Bucket A is larger, and by itself it can fill the bathtub in 20 minutes. Bucket B is smaller, and by itself it can fill the bathtub in 50 minutes...

Derive an expression for the sum of the reciprocals of two consecutive odd integers 2m-1 and 2m+1.

A soccer ball is kicked with some initial velocity v at some angle θ such that its path in the air follows the equation y=1.0+1.73x-1.225x^2 where (x,y)...

For what value(s) of k does the system of equations y=x^2-3x+5 y=kx have only 1 solution? Leave answers in exact form.

The equation of a circle of radius r with its center at the point (h,k) is given by (x-h)^2+(y-k)^2=r^2 Find coordinates of intersections of the following functions &n...

y=a(x-h)^2+k are (2,0), (-4,0), (0,16). Solve for a, h, and k. Present answer in form y=a(x-h)^2+k.

Find the x and y values at the minimum of f(x)=2x2+xy+2y2+6y+7 I have tried this multiple times but I keep getting marked wrong. I'm not really sure how to approach...

A rectangular box must have a volume of 2 cubic meters. The material for the base and top costs $ 2 per square meter. The material for the vertical sides costs $ 64 per square meter. (a)...

An artery has a circular cross section of radius 3 millimeters. The speed at which blood flows along the artery fluctuates as the heart beats. The speed after t seconds is 20+5sin(2πt) meters...

The population of a certain planet is believed to be growing according to the logistic equation. The maximum population the planet can hold is 1010. In year zero the population is 50% of this maximum,...

If at a party 2% of the guests eat 4% of the food what is the consumption rate between the 2% and the other 98%?

A certain car rental agaency charges 15.00 per day plus 0.30 per mile that the car is driven. Which of the following is an expression for the total charge in dollars of renting a car for 1 day driving...

When Shawn woke up, the temperature was -8°F. By noon, the temperature had increased by 35°F. What was the temperature at noon? When Shawn woke up, the temperature was -8°F. By noon, the temperature...

Elsa lost four points on the last math quiz, and Marc lost seven points. How many more points did Marc lose than Elsa? Elsa lost seven points on the last math quiz, and Marc lost four points. How...

i need help i don't know how to round fractions and i'm struggling and i hear this is the best site for help so can help me i would really appriciate it

If the temperature is constant, the pressure of a gas in a container varies inversely as the volume of the container. If the pressure 60 pounds per square foot in a container with 9 cubic feet, what...

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