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1027

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

567

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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

1012

Help please

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

1802

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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

714

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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

473

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Solve

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Guest Jul 5, 2020

510

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

765

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

621

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

468

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

572

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

648

i need the answer

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

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Guest Jul 5, 2020

584

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

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Guest Jul 5, 2020

529

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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

530

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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

698

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

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Guest Jul 5, 2020

427

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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

794

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

517

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

573

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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

555

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

435

please help

Find the perimeter of the large rectangle.

Guest Jul 5, 2020

1023

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

485

help

Compute

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Guest Jul 5, 2020

All Questions ⁺⁰238125 Questions

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

help

Help please

Help

help

help

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

help

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