18,589 Answered Questions for the topic Algebra

05/06/22

#### Complete the​ table, which shows the first and second differences in​ y-values for consecutive​ x-values for a polynomial function of degree 2.

Complete the​ table, which shows the first and second differences in​ y-values for consecutive​ x-values for a polynomial function of degree 2.

05/06/22

05/06/22

#### A smoke jumper jumps from a plane that is 1700 ft above the ground. The function h=−16t2+1700 gives the jumper's height h in feet during the free fall at t seconds.

A smoke jumper jumps from a plane that is 1700 ft above the ground. The function h=−16t2+1700 gives the jumper's height h in feet during the free fall at t seconds.a. How long is the jumper in free... more

05/06/22

#### Max placed 5 brown bottles and 5 white bottles on a wall for target practice. The probability of him breaking a bottle is 0.95.

What is the probability that he will hit fewer than 8 of the bottles?

05/06/22

#### At a high school, 20% of statistics students retake their 3 week test. There are 15 students in Mr. Smith’s class.

Find the probability that exactly four of them retake this test.

05/06/22

#### A manufacturer of LED light bulbs knows that 3% of the production of their 15W bulbs will be defective.

What is the probability that exactly 5 bulbs in a carton of 144 bulbs will be defective?

05/06/22

The flight of a javelin released 6.5 feet from the ground at an initial velocity of 68 feet per second is modeled by the function h = -16t² + 68t + 6.5 where h is the height of the javelin in feet... more
Algebra

05/05/22

#### Please can you solve this for me

Determine the eigenvalues of the matrix A = |-5 3 3| |-3 1 3| |-6 6 4|

05/05/22

#### Find the time it takes for the cannonball to strike the ground.

If a certain cannon is fired from a height of 7.9 meters above the​ ground, at a certain​ angle, the height of the cannonball above the​ ground, h, in​ meters, at​ time, t, in​ seconds, is found by... more

05/05/22

#### What's the smallest​ amount, in​ dollars, that you can charge and make a profit of at least ​$118​? Your class is selling boxes of flower seeds as a fundraiser. The total profit p depends on the amount x that n your class charges for each box of seeds. The equation p=−0.5x2+25x−107 models the... more 05/05/22 #### A smoke jumper jumps from a plane that is 1700 ft above the ground. The function h=−16t2+1700 gives the​ jumper's height h in feet during the free fall at t seconds. A smoke jumper jumps from a plane that is 1700 ft above the ground. The function h=−16t2+1700 gives the​ jumper's height h in feet during the free fall at t seconds.a. How long is the jumper in... more 05/05/22 #### A model for a​ company's revenue from selling a software package is ​R(p)=−2.5p2+650​p, where p is the price in dollars of the software. What price will maximize​ revenue? Find the maximum revenue. A model for a​ company's revenue from selling a software package is ​R(p)=−2.5p2+650​p, where p is the price in dollars of the software. What price will maximize​ revenue? Find the maximum revenue. 05/05/22 #### Help explaining equation simplifying here's what I'm working with:pi ([(24-2s)/pi]^2) + s^2 = [(4/pi) + 1]* s^2 - 96s/pi + 576/pii have no idea where the (4/pi + 1) came from can someone walk me through the simplifying? 05/05/22 #### Algebra 1 7th Grade Gifted ; Quadratic Equations - Baseball Question In a baseball game, a pop fly is hit, and its height in meters relative to time in seconds is modeled by the function h(t)=4.9t^2+8t+1a.) What direction does it open?b.) For how many seconds is the... more 05/04/22 #### solve using any method x^2+y^2+4x=0x^2+2y^2-4x+10y=0 05/04/22 #### How can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 10​% to get the desired concentration? A laboratory technician needs to make a 42​-liter batch of a 40​% acid solution. How can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 10​% to... more 05/04/22 #### Evaluate the expression for the given values of the variables. Evaluate the expression for the given values of the variables.−k^2−​(8k−5​n)+9​n; k=−2 and n= -5 05/04/22 #### Write the compound inequality as an absolute value inequality. Write the compound inequality as an absolute value inequality.1.7≤h≤1.9 05/04/22 #### Suppose the stadium takes in ​$1,448,500 from each​ sold-out event. How many seats does each section​ hold?

A stadium has 55,000 seats. Seats sell for ​$35 in Section​ A, ​$20 in Section​ B, and ​\$15 in Section C. The number of seats in Section A equals the total number of seats in Sections B and C.... more

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