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Need quick help on an easy, money, probability problem!

Monica tosses a fair 6-sided die. If the roll is a prime number, then she wins that amount of dollars (so that, for example, if she rolls 3, then she wins 3 dollars). If the roll is composite, she wins nothing. Otherwise, she loses 3 dollars. What is the read more ..

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Guest Jul 5, 2020

469

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The average age of 5 girls is 35 and the average of another 4 girls is 40. What would be the combined average.

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Guest Jul 5, 2020

906

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A child attaches a rubber ball to a string and whirls it around in a circle overhead. If the string is 0.2 m long and the ball's speed is 16 m/s, what is the ball's centripetal acceleration?

_____ m/s2 read more ..

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Guest Jul 5, 2020

1737

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A passenger jet flies from one airport to another 1,233 miles away in 2.4 h. Find its average speed. ___m/s

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Guest Jul 5, 2020

608

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Chelsea ran 26km in 3 hrs and 15min. To the nearest hundredth, what was her average speed in meter per second?

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Guest Jul 5, 2020

360

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Solve

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Guest Jul 5, 2020

409

Help Please :)

Let x and y be integers. Show that 9x + 5y is divisible by 19 if and only if x + 9y is divisible by 19.

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Guest Jul 5, 2020

659

Geometry Question.

Point is on side of triangle such that , and . Find in degrees.
Please explain, thanks!

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Guest Jul 5, 2020

528

A quadratic of the form has roots of and . The graph of is a parabola. Find the vertex of this parabola.

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Guest Jul 5, 2020

387

help please!

Determine the number of ways of placing the numbers 1, 2, 3, ..... 9 in a circle, so that the sum of any three numbers in consecutive positions is divisible by 3. (Two arrangements are considered the same if one arrangement can be rotated to obtain the read more ..

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Guest Jul 5, 2020

466

im writng my exam and i need the answer please

Two buildings are 200m apart. From a point midway between them, the angles of elevation to the top of each building are 12o and 9o respectively. To the nearest tenth, how much taller is one building compared to the other?

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Guest Jul 5, 2020

541

i need the answer

Calculate the length of BC. Round answer to the nearest centimeter.

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Guest Jul 5, 2020

480

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Compute (1^2 + 2^2 + 3^2 + ... + 10^2)/770.

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Guest Jul 5, 2020

426

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Find the vertex of the parabola x = -2y^2 + 5y + 7. I'm confused, because x is a function of y.

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Guest Jul 5, 2020

426

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The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average read more ..

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Guest Jul 5, 2020

585

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How many 4 -digit positive integers have 2 or more zeroes?

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Guest Jul 5, 2020

330

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Two diameters of a circle of radius 6 are drawn to make a central angle of 60°. A smaller circle is placed inside the bigger circle so that it is tangent to the bigger circle and to both diameters. What is the radius of the smaller circle ?
read more ..

Guest Jul 5, 2020

687

Im writing my online test and i need the answers please!

A truck travels 6 km up a mountain road. The change in height is 1250m. What is the angle of elevation of the road?

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Guest Jul 5, 2020

403

digit problem.

Find the smallest positive integer that is divisible by 24, and such that the sum of the digits is 24.

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Guest Jul 5, 2020

468

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Shaka and Aaron play a game.
Shaka scores 30% of the maximum number of points. She misses the record by 15 points.
Aaron scores 40% of the maximum number of points. He exceeds the record by 35 points.
What is the maximum number of read more ..

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Guest Jul 5, 2020

442

help I am stuck, any help appreciated :)

Determine the number of ways of placing the numbers $1, 2, 3, \dots, 9$ in a circle, so that the sum of any three numbers in consecutive positions is divisible by $3.$ (Two arrangements are considered the same if one arrangement can be rotated to obtain read more ..

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Guest Jul 5, 2020

335

please help

Find the perimeter of the large rectangle.

Guest Jul 5, 2020

925

So question help

So I had 2 questions that I am stumped on am i just not smart or are these actually hard.
1. The figure shown is a cube. The distance between vertices B and G is units. What is the volume of the cube, in cubic units? read more ..

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Guest Jul 5, 2020

377

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Compute

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Guest Jul 5, 2020

All Questions ⁺⁰232866 Questions

Need quick help on an easy, money, probability problem!

help

Help please

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Help Please :)

Geometry Question.

A quadratic of the form has roots of and . The graph of is a parabola. Find the vertex of this parabola.

help please!

im writng my exam and i need the answer please

i need the answer

help

help

help

help

help

Im writing my online test and i need the answers please!

digit problem.

help

help I am stuck, any help appreciated :)

please help

So question help

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