59,485 Answered Questions for the topic Math

01/30/24

Tell the geometric figure
Tell the geometric figure described or represented by the following1. eye of a needle2. edge of a box3. hands of a clock4. flagpole5. beam of a flashlight
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Math

01/30/24

Models and Applications
ssuming the speed of sound is 338 m/s ...a) How far away in km did the lighting strike if it takes 4.8 s to hear the thunder after the flash?  distance =    km b) How far away is the canyon wall if... more
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01/30/24

Solve the following linear system.
I don't understand how to get the free variables as well as the first column. I got it to RREF but after that I'm confused. I keep getting it wrong. Please help! Here is the link to the question.... more
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Math Algebra 1

01/30/24

is Kg or Mm more precise
Ion know
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Math

01/30/24

A local county has an unemployment rate of 4.4%. A random sample of 20 employable people are picked at random from the county and are asked if they are employed. Round answers to 4 decimal places.
a) Find the probability that exactly 3 in the sample are unemployed.
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Math

01/29/24

45 children on 9 buses=
45 children on 9 buses=
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Math Algebra 1

01/29/24

A Toy Rocket and a Drone Again
Functions R and D give the height, in feet, of a toy rocket and a drone, t seconds after they are released. Here are the graphs of R (for the rocket) and D (for the drone). Which of the... more
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Math

01/29/24

at what point does a line with a slope of 3/4 and a y-intercept of -5 intersect a line with a slope of -1/4 and a y-intercept of 3? A. (-8,1) B. (-1,8) C. (1,8) D. (8,1)
A. (-8,1) B. (-1,8) C. (1,8) D. (8,1)
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01/29/24

Trig help-urgent
Solve the following inequality. Express the exact answer in interval notation, restricting your attention to 0 ≤ x ≤ 2𝜋.tan(x) ≥ 1
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01/29/24

Urgent calculus help
Solve the following inequality. Express the exact answer in interval notation, restricting your attention to −𝜋 ≤ x ≤ 𝜋. sin2(x) < 1/2
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01/29/24

Described or represented

Tell the geometric figure described or represented by the following1. eye of a needle2. edge of a box3. hands of a clock4. flagpole5. beam of a flashlight
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01/29/24

midterm help-Calculus help, urgent
Solve the following inequality. Express the exact answer in interval notation, restricting your attention to −𝜋 ≤ x ≤ 𝜋. sin2(x) < 3/4
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Math

01/29/24

need help determining the odds of something
lets say there are unlimited barrels full of different fruits, each barrel has 100 fruits in it. 5% of all the fruits are pearsthere is also a 1/25650 chance of any fruit to be goldenwhat are the... more
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Math

01/29/24

A car travels 1 3/4 miles in 1 1/2 minutes at a constant speed. How far did the car drive in 8 minutes?
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Math

01/29/24

The cost of a bag is 3 times the cost of a cap the total cost of 2 bags and 3 caps is 180.00 what is the cost of 1 cap
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Math

01/29/24

Graph the line with slope 3 passing through the point (-5, 4).
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01/28/24

What angle to kick a soccer ball to maximize distance traveled? (vector calc)
A soccer ball on the ground is kicked with an initial speed of 44mph at an angle θ above the horizon. What is the angle in radians that will maximize the distance traveled (g=32ft/sec)?And what... more
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Math

01/28/24

IB Mathematics HL: When x^2+4x-b is divided by x-a the remainder is 2. Given that a, b∈R , find the smallest possible value for b.
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Math

01/28/24

Applications of Simultaneous Equations in Real-World Contexts
1. The giant pandas Kai Kai and Jia Jia reside at the River Safari. The sum of their ages when they first arrived in Singapore in 2013 was 11 years. In 2022, Kai Kai will be three times as old as... more
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Math

01/28/24

Solving Simultaneous Linear Equations Using Algebraic Methods
A computer animation shows a cat moving in a straight line. Its height, a metres, above the ground, is given by 8s-3h=-9 where s is the time in seconds after it starts moving. In the same... more
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Math

01/27/24

Direct and inverse proportions

A machine which manufactures ice needs to be run for 10 minutes to warm up before the production of ice begins. The mass, in tonnes, of ice produced is directly proportional to the number of hours... more
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Math

01/27/24

y=2x-4 and y=x-3 graphically method

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Math

01/27/24

Direct and inverse proportions
1. Kate makes a donation to a charitable organisation on a monthly basis. Her monthly donation is directly proportional to the square of her monthly savings. If she saves $900 and $1200 in January... more
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Math

01/27/24

Direct and inverse proportions

The pressure, P pascals, of a fixed mass of gas at constant temperature is inversely proportional to the volume, 7m3 of the gas. The pressure of 2 m³ of gas in an airtight container is 500 pascals.... more
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Math

01/27/24

Direct and inverse proportions
The weight of an object is inversely proportional to the square of the distance from the object to the centre of the earth. An astronaut weighs 800 newtons (N) at sea level (6500 km from the centre... more
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