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719

A rectangle has a perimeter of 30 units

A rectangle has a perimeter of 30 units and its dimensions are whole numbers. How many different possible values are there for the area?

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Guest Dec 5, 2020

394

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During a company's first full year in business, the price of oil increased 50% . In the second year of business, the price of oil went down 50% from its price at the beginning of that year. Its price at the end of the second year is what percent of read more ..

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Guest Dec 5, 2020

567

Please help!

The scientists captured and tagged 500 fish and then released them into the lake. Later, the scientists captured 500 more fish and counted that 4 of them were tagged. How many fish can the scientists estimate are in the lake?

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Guest Dec 5, 2020

670

Phil rolls 6 fair 6-sided dice

Phil rolls 6 fair 6-sided dice. What is the probability that at least three dice show the same number?

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Guest Dec 5, 2020

450

section 9.7- exponential growth

suppose that $18,670 is invested at an interest rate of 5.4% per year, commpounded continuously.
A) find the exponential function that describes the amount in the account after time t, in years.
B) what is the balance afer 1 year? read more ..

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Guest Dec 5, 2020

442

help on this ASAP

For all positive integers , the th triangular number is defined as . What is the greatest possible value of the greatest common divisor of and ?

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Guest Dec 5, 2020

1668

a 16 foot ladder leans against a brick wall. the ladder reaches a height of 8 feet on the wall. the ladder makes a with the wall.

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Guest Dec 5, 2020

477

What is the maximum number of consecutive positive integers

What is the maximum number of consecutive positive integers that can be added together to create a sum less than 900?

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Guest Dec 5, 2020

659

hello geometry

In the figure, PA is tangent to semicircle SAR, PB is tangent to semicircle RBT, and SRT is a straight line. If arc AC is 51 degrees and arc BT is 31 degrees, then find APB, in degrees.

read more ..

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Guest Dec 5, 2020

981

Applications of Systems

You are running a concession stand at a basketball game. You are selling hot dogs and sodas. Each hot dog costs $1.50 and each soda costs $0.50. At the end of the night you made a total of $78.50. You sold a total of 87 hot dogs and sodas combined. How read more ..

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Guest Dec 5, 2020

578

3rd time reposting lol

Let $(x_1,y_1),$ $(x_2,y_2),$ $\dots,$ $(x_n,y_n)$ be the real solutions to the system \begin{align*} x + 8y &= 7, \\ x^3 + 8y^3 &= 7. \end{align*}Enter $x_1 + y_1 + x_2 + y_2 + \dots + x_n + y_n.$

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Guest Dec 5, 2020

765

circle

The figure shows two concentric circles. If the length of chord AB is 100 units and chord AB is tangent to the smaller circle, what is the area of the shaded region? Express your answer in terms of pi.

read more ..

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Guest Dec 5, 2020

553

This is a repost of 3 hours ago

Let $(x_1,y_1),$ $(x_2,y_2),$ $\dots,$ $(x_n,y_n)$ be the real solutions to the system \begin{align*} x + 8y &= 7, \\ x^3 + 8y^3 &= 7. \end{align*}Enter $x_1 + y_1 + x_2 + y_2 + \dots + x_n + y_n.$

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Guest Dec 5, 2020

523

A cube of edge length s

A cube of edge length s > 0 has the property that its surface area is equal to the sum of its volume and two times its edge length. Compute the sum of all possible values of s.

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Guest Dec 5, 2020

599

I need urgent help please

ABCD is a trapezoid with bases AB and DC. We know that angle C equals 60 and angle D=45. If AB=5-2sqrt3 and BC=4, what is DC?

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monsterhunter30000 Dec 5, 2020

553

when calculating medicine dosages w/ weight as a factor, is weight the independent or the dependent variable?

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Guest Dec 5, 2020

610

+179

I have found an unanswered question.

https://web2.0calc.com/questions/help_53900

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TheGreatestOofman Dec 5, 2020

682

triangle ABC is inscribed in the circle

In the diagram below, triangle ABC is inscribed in the circle and AC = AB . The measure of angle BAC is 48 degrees and segment ED is tangent to the circle at point C. What is the measure of angle ACD?

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Guest Dec 5, 2020

Dec 4, 2020

397

Some one can help me with this problem?

Some one can help me with this problem?
Use a Venn Diagram and the given information to determine the number of elements in the indicated region.
nA ∪ B ∪ C=61,
nA ∩ B ∩ C=9, read more ..

Guest Dec 4, 2020

376

number theory

Find the smallest positive integer where the product of the digits is 180.

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Guest Dec 4, 2020

546

algebra

Solve 4^x + 2^x + 1 = 111.

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Guest Dec 4, 2020

388

Pls Help answer and explanation

Let $(x_1,y_1),$ $(x_2,y_2),$ $\dots,$ $(x_n,y_n)$ be the real solutions to the system \begin{align*} x + 8y &= 7, \\ x^3 + 8y^3 &= 7. \end{align*}Enter $x_1 + y_1 + x_2 + y_2 + \dots + x_n + y_n.$

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Guest Dec 4, 2020

531

Rhombus ABCD has perimeter 148

Rhombus ABCD has perimeter 148, and one of its diagonals has length 20. How long is the other diagonal?

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Guest Dec 4, 2020

415

The town of Serenity Valley

The town of Serenity Valley has a population of 48,314. If it grows at a rate of 2.5% for 32 years what will the population be? (answer to the nearest whole number)

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Guest Dec 4, 2020

All Questions ⁺⁰237635 Questions

A rectangle has a perimeter of 30 units

View question

Please help!

Phil rolls 6 fair 6-sided dice

section 9.7- exponential growth

help on this ASAP

a 16 foot ladder leans against a brick wall. the ladder reaches a height of 8 feet on the wall. the ladder makes a with the wall.

What is the maximum number of consecutive positive integers

hello geometry

Applications of Systems

3rd time reposting lol

circle

This is a repost of 3 hours ago

A cube of edge length s

I need urgent help please

when calculating medicine dosages w/ weight as a factor, is weight the independent or the dependent variable?

I have found an unanswered question.

triangle ABC is inscribed in the circle

Some one can help me with this problem?

number theory

algebra

Pls Help answer and explanation

Rhombus ABCD has perimeter 148

The town of Serenity Valley

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