vxnessa

24 Questions
1 Answers

0

499

1

+101

two concentric circles are drawn so that the shaded area is equal to unshaded area. The radius of the outer circle is 6 cm. Find the differe

two concentric circles are drawn so that the shaded area is equal to unshaded area. The radius of the outer circle is 6 cm. Find the difference in the radii of the two circles

vxnessa Nov 15, 2021

0

323

0

+101

How many different integers can be represented as a sum of four distinct numbers chosen from the set {6,17,28,39,...,105}?

How many different integers can be represented as a sum of four distinct numbers chosen from the set {6,17,28,39,...,105}?

vxnessa Nov 10, 2021

0

403

1

+101

could anyone help with this question?

A tub can be filled with hot water in 15 minutes, or with cold water in 12 minutes. The tub can also be emptied when the plug is pulled out, in 10 minutes. Farley ran the hot water in his tub for 6 minutes, then both the cold and hot water together for read more ..

vxnessa Nov 10, 2021

0

424

3

+101

could anyone help me with this question?

A boat travels 14 km/h in still water. If this boat goes upstream in a river flowing at a rate of 4 km/h, for 3 km, and then returns back downstream to its starting point, what is the average speed for the whole trip in km/h?

vxnessa Oct 26, 2021

0

378

1

+101

Find the sum of the series 15/42 + 15/56 + 15/72 + 15/90 + ... + 15/9900

Find the sum of the series 15/42 + 15/56 + 15/72 + 15/90 + ... + 15/9900

vxnessa Oct 25, 2021

0

408

2

+101

clock time math question

At exactly 12 o'clock noon the hour hand of a clock begins to move at 2 times its normal speed, and the minute hand begins to move backwards at half its normal speed. When the two hands next coincide, what will be the correct time?

vxnessa Oct 17, 2021

+1

460

3

+101

if anyone could help out with this that would be great!

If I have 2 more sisters than brothers and each of my sisters also has 2 more sisters than brothers, how many more sisters than brothers does my oldest brother have?

vxnessa Oct 12, 2021

0

330

0

+101

could anyone explain how to do this?

When calculating his income tax an accountant realized that his federal tax was 30% of his income after his provincial tax was paid, and that his provincial tax was 20% of his income after his federal tax was paid. If the accountant's income before taxes read more ..

vxnessa Oct 12, 2021

+1

374

1

+101

could anyone explain this?

what is the sum of all the integers from -100 to 98? (a variable is not needed)

vxnessa Sep 13, 2021

0

510

3

+101

391p^2 +160p − 399

391p^2 +160p − 399

how do I do this?

vxnessa May 11, 2021

+101

+1

I need to factor this

vxnessaMay 12, 2021