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Precalculus

01/25/24

find the perimeter and area of an isosceles triangle whose vertex is 35 degrees and whose two equal sides each measure 15 cm

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Precalculus

01/25/24

to determine how far apart a boar is from shore, two radar stations 500 feet apart determine the angles out of the boat as shown. Find the distance of the boat from station A.

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Answers •1

Precalculus

01/23/24

Solve for r when given A = 2πr^2+2πr

This is identical to solving for x in the standard form of a quadratic equation ax2+bx+c=0 only that in this case, a=2π, b=2π and c=A, and x=r. Consider substituting in these values and then... more

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Precalculus

01/20/24

pre-calculus question

have a problem that I was able to get one out of two answers correct but am not seeming to get them both. I also have to have a very explanation for how I got both answers and since I have not... more

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Answers •1

Precalculus

01/18/24

need help with a 3 part problem. I got the radius correct but would still like a simple breakdown of the proccess

Part a: Assume that the height of your cylinder is 8 inches. Consider A as a function of r, so we can write that as A(r)=2πr^2+16πr. What is the domain of A(r)? In other words, for which values... more

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Precalculus Algebra 1 Algebra 2 Calculus

01/17/24

What is the formula to find a random term's number in a geometric progression using the random term?

I think it is the inverse of this formula: RANDOM TERM = (SUM * (1-COMMON RATIO) / (1-COMMON RATIO^x).

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Answers •2

Precalculus Calculus

01/16/24

HW4 system of Linear Help with Re-checking and help with problem.

For this, I have completed most problems using the elimination problem method, However, could someone check to see if this is right for problem 6? And could I get help on 8 and 96.) x + y =3 2x... more

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Answers •1

Precalculus

01/14/24

answer question

The rate r at which a disease spreads in a population of size P is jointly proportional to the number x of infected people and the number P − x who are not infected. An infection erupts in a small... more

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Precalculus

01/14/24

answer question

The rate r at which a disease spreads in a population of size P is jointly proportional to the number x of infected people and the number P − x who are not infected. An infection erupts in a small... more

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Answers •1

Precalculus

01/14/24

stuck on this problem

The rate r at which a disease spreads in a population of size P is jointly proportional to the number x of infected people and the number P − x who are not infected. An infection erupts in a small... more

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Answers •1

Precalculus Calculus

01/14/24

Update on assignment: HW3 Regression back

Update I have completed 1-9 once again could someone confirm if it is right for 1-9, also could I get help on 10-12 I'm not understanding what my instructions are for 11-12.1.) Use your judgment to... more

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Precalculus

01/13/24

Question on this

The total radiation energy E emitted by a heated surface per unit area varies as the fourth power of its absolute temperature T. The temperature is 6,000 K at the surface of the sun and 600 K at... more

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Precalculus

01/13/24

answer question

The total radiation energy E emitted by a heated surface per unit area varies as the fourth power of its absolute temperature T. The temperature is 6,000 K at the surface of the sun and 600 K at... more

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Answers •1

Precalculus

01/13/24

The heat experienced by a hiker at a campfire is proportional to the amount of wood on the fire and inversely proportional to the cube of his distance from the fire.

The heat experienced by a hiker at a campfire is proportional to the amount of wood on the fire and inversely proportional to the cube of his distance from the fire. If the hiker is 26 ft from the... more

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Precalculus

01/13/24

A car weighing 1,600 lb travels around a curve at 70 mi/h. The next car to round this curve weighs 2,500 lb and requires the same force as the first car to keep from skidding.

How fast (in mi/h) is the second car traveling? . mi/h

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Answers •1

Precalculus

01/13/24

A car weighing 1,600 lb travels around a curve at 70 mi/h. The next car to round this curve weighs 2,500 lb and requires the same force as the first car to keep from skidding.

How fast (in mi/h) is the second car traveling ?

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Answers •1

Precalculus

01/13/24

Sketch the region given by the set. {(x, y) | x = −6}

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Precalculus

01/12/24

Sketch the region given by the set. {(x, y) | y < 5}

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Answers •1

Precalculus

01/12/24

Find the solutions of the inequality by drawing appropriate graphs. State the solution rounded to two decimals. (Enter your answer using interval notation.) 25x^3 + 60x^2 > −21x − 2

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Answers •2

Precalculus Calculus

01/12/24

Am I doing this right? HW3 Regression show formula

Need to confirm if 1-7 is done right as for 8 and 9 could I get some help with that one Im not understand1.) Use your judgment to draw a line on the graph that best represents the data. be sure... more

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Precalculus

01/11/24

Precalculus 12 grade

Solve for the exact value of xlog(5x-11)=log(9x+6)

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Answers •2

Precalculus

01/10/24

The cruise ship traveled n miles per hour for t hours and was 30 miles short of the harbor when the horn was sounded.

If the captain tried again, how long would it take to reach the harbor if she increased the rate of travel by 15 mph?

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Answers •2

Precalculus

01/08/24

precalculus,exponential growth

The count in a bacteria culture was 400 after 15 minutes and 1700 after 30 minutes. Assuming the count grows exponentially,What was the initial size of the culture? bacteriaFind the doubling... more

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Precalculus

01/06/24

Precalc FInd the difference quotient

Find f(a), f(a + h), and the difference quotient f(a+h)- f(a)/h, where h =0.f(x) = 7x2 + 3 f(a) =f(a + h) =f(a+h) - f(a)/h =

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Precalculus

01/03/24

A triangular parcel of land has 110 meters of frontage, and the other boundaries have lengths of 79 meters and 92 meters. What angles does the frontage make with the two other boundaries?

(Round your answers to one decimal place.)

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Answers •3

find the perimeter and area of an isosceles triangle whose vertex is 35 degrees and whose two equal sides each measure 15 cm

to determine how far apart a boar is from shore, two radar stations 500 feet apart determine the angles out of the boat as shown. Find the distance of the boat from station A.

Solve for r when given A = 2πr^2+2πr

pre-calculus question

need help with a 3 part problem. I got the radius correct but would still like a simple breakdown of the proccess

What is the formula to find a random term's number in a geometric progression using the random term?

HW4 system of Linear Help with Re-checking and help with problem.

answer question

answer question

stuck on this problem

Update on assignment: HW3 Regression back

Question on this

answer question

The heat experienced by a hiker at a campfire is proportional to the amount of wood on the fire and inversely proportional to the cube of his distance from the fire.

A car weighing 1,600 lb travels around a curve at 70 mi/h. The next car to round this curve weighs 2,500 lb and requires the same force as the first car to keep from skidding.

A car weighing 1,600 lb travels around a curve at 70 mi/h. The next car to round this curve weighs 2,500 lb and requires the same force as the first car to keep from skidding.

Sketch the region given by the set. {(x, y) | x = −6}

Sketch the region given by the set. {(x, y) | y < 5}

Find the solutions of the inequality by drawing appropriate graphs. State the solution rounded to two decimals. (Enter your answer using interval notation.) 25x^3 + 60x^2 > −21x − 2

Am I doing this right? HW3 Regression show formula

Precalculus 12 grade

The cruise ship traveled n miles per hour for t hours and was 30 miles short of the harbor when the horn was sounded.

precalculus,exponential growth

Precalc FInd the difference quotient

A triangular parcel of land has 110 meters of frontage, and the other boundaries have lengths of 79 meters and 92 meters. What angles does the frontage make with the two other boundaries?

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