All Questions ⁺⁰237642 Questions

0

2842

1

+22

Two numbers are randomly selected without replacement from the set 1-5 Find the probability of each event.

Two numbers are randomly selected without replacement from the set 1-5 Find the probability of each event.

Both numbers are even
read more ..

Mekka86 Apr 15, 2018

0

585

2

Combinations with repeats.....

Out of the natural numbers 1 - 9 (nine numbers), how many combinations(NOT permutations) of 5-digit numbers are possible with repeats allowed such as: 12345, 11234, 11123, 11112, 11111....etc. Any help would be appreciated. Thank you.

Guest Apr 15, 2018

-1

2828

1

Question

Quadrilateral $ABCD$ has right angles at $B$ and $D$, and $AC=3$. If $ABCD$ has two sides with distinct integer lengths, then what is the area of $ABCD$? Express your answer in simplest radical form.

Guest Apr 15, 2018

0

2736

1

When the town of Bradyville first started its voluntary recycling program,

When the town of Bradyville first started its voluntary recycling program, 1500 of the town’s residence participated. The town predicts that the number of people participating in the recycling program will increase by 15% each year.
Which explicit read more ..

Guest Apr 15, 2018

0

3376

1

The sales of homes in a new development have been increasing.

The sales of homes in a new development have been increasing. In January, 8 homes were sold, in February, 12 homes were sold. In March, 16 homes were sold. This pattern continued for the remainder of the year.
What is the explicit rule that can read more ..

Guest Apr 15, 2018

0

2083

1

Two Alg II Questions-Thanks So Much

1.
The recursive rule for a sequence is shown.
an=an−1+9
a1=21 read more ..

Guest Apr 15, 2018

+3

898

1

+221

Suppose the motion of a particle is given by

Suppose the motion of a particle is given by
x = 4 cos t, y = sin t.
1. Describe the motion of the particle, and sketch the curve along which the particle travels.

quilly Apr 15, 2018

0

1427

2

+173

Math

Lizzie needs to catch a train. The train arrives randomly some time between 2:00 and 3:00, waits for 20 minutes, and then leaves. If Lizzie also arrives randomly between 2:00 and 3:00, what is the probability that the train will be there when Lizzie arrives? read more ..

wiskdls Apr 15, 2018

0

1095

1

+173

Math

John and Bob both go to a party which starts at 5:00. Each of them arrives at a random time between 5:00 and 6:00. What is the probability that the number of minutes Grogg is late for the party plus the number of minutes Winnie is late for the party is read more ..

wiskdls Apr 15, 2018

0

816

1

+173

Maths

John flips a penny, a nickel, and a dime. How many ways can she get at least two heads?

wiskdls Apr 15, 2018

0

745

1

+173

Maths

Bob has a pair of standard dice; one die is blue, and the other die is yellow. He rolls both of his dice. How many ways could the number on the blue die be larger than the number on the yellow die?

wiskdls Apr 15, 2018

0

2243

1

+173

Maths

How many numbers between 50 and 250 (inclusive) are not perfect squares?

wiskdls Apr 15, 2018

0

701

1

+173

Maths

2)How many numbers among 1, 2, 3, 1000 are not divisible by 9?

wiskdls Apr 15, 2018

+1

3193

2

+105

Please help me with this math question?

On the first day of a measles outbreak at a school, 6 students were identified to have the measles. Each day for the following two weeks, the number of new cases doubled from those identified with the disease the day prior. How many students are identified read more ..

Jaleco Apr 15, 2018

0

2159

1

+173

Maths

2)How many numbers among 1, 2, 3, 1000 are not divisible by 9?

3)Andrew chooses a number from 1 to 100, and Mary also chooses a number from 1 to 100. (They may choose the same number.) It turns out that the product of their read more ..

wiskdls Apr 15, 2018

0

1396

1

Geometry

$ABCDEFGH$ is a regular octagon of side 12cm. Find the area in square centimeters of trapezoid $BCDE$. Express your answer in simplest radical form.

Guest Apr 15, 2018

+3

1241

1

+470

In the pair of equations

In the pair of equations bx - 6y = 18 and 2x - 3y = 9, b is a whole number. The system of two equations has infinitely many solutions. What is the value of b?

A) 3
B) 4 read more ..

Neptune Apr 15, 2018

0

800

1

+613

please help, thank you!

Find all $p$ which satisfy both the inequalities $0\ge 54p-144$ and $0>12-20p$. Express your answer in interval notation, reducing any fractions in your answer.

gueesstt Apr 15, 2018

0

673

1

+613

Algebra help

The two lines $y = 4x - 19$ and $2x+y = 95$ intersect. What is the value of $x$ at the point of intersection?

gueesstt Apr 15, 2018

+1

1854

1

+613

Help?

Point $A$ is at $(0, 0)$ and point $B$ is on the line $y = 4$. The slope of segment $AB$ is $\frac{2}{3}$. What is the sum of the $x$- and $y$-coordinates of point $B$

gueesstt Apr 15, 2018

0

856

1

+613

Help please!

How many units long is a segment whose endpoints are $(1,2)$ and $(-4,-10)$?

gueesstt Apr 15, 2018

0

1533

2

+173

In a hurry

1) You have four tiles that say M, A, T, and H. How many words can you form from these tiles? For example, you can form "AMH" and "TH". (The words do not have to be valid English words.)

2)How many numbers among 1, 2, 3, 1000 read more ..

wiskdls Apr 15, 2018

Apr 14, 2018

+1

1603

1

+753

Help! :)

If the probability that a baby born in a certain hospital will speak in the next day is 1/4, what is the probability that at least 2 babies out of a cluster of 5 babies will speak tomorrow?
Thanks!!!!

MIRB16 Apr 14, 2018

+3

1212

5

+470

In the pair of Equations

In the pair of equations bx - 6y = 18 and 2x - 3y = 9, b is a whole number. The system of two equations has infinitely many solutions. What is the value of b?

A) 3
B) 4 read more ..

MIRB16 ●●●●●

Neptune Apr 14, 2018

0

991

0

can you help?

Using the table for many repetitions of the experiment of tossing a coin 10 times, what is the mean number of heads in 50 repetitions of this experiment and 500 repetitions, and which of these sample means is closer to the population mean?
Number of read more ..

Guest Apr 14, 2018

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