All Questions

1065

Help me with math plz!!

Question #1

Question #2 read more ..

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sillygirl77 Apr 27, 2018

2497

What is 11∑n=1(98−2n) equal to?

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Guest Apr 27, 2018

648

NEED HELP ASAP!!!!! Explicit & Recursive Rules.

The explicit rule for a sequence is an=7(−4)n−1an=7(−4)n−1 .

What is the recursive rule for the sequence?

Guest Apr 27, 2018

668

Determine a constant k such that the polynomial P(x,y,z)=x^5+y^5+z^5+k(x^3+y^3+z^3)(x^2+y^2+z^2) is divisible by x+y+z.

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Guest Apr 27, 2018

3764

I NEED HELP ASAP!!!!!

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

TheXSquaredFactor ●

Guest Apr 27, 2018

2229

+1378

URGENT HELP PLEASE

Because I couldn't get any help on the last problem I got a whole bunch more. Could someone please help with this?

Let AB be a diameter of a circle centered at O. Let E be a point on the circle, and let the tangent read more ..

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AnonymousConfusedGuy Apr 27, 2018

829

Need your help please

Verbal Problem:

A car leaves city A to city B, the way's length is 210 km.
20 minutes after it, a courier on a bike leaves city A so he can pass a delivery to the car.His speed is 120 km/h. read more ..

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SabiBoo Apr 27, 2018

775

Mr. Z gave a test in Physics. Scores for the class are as follows:

Mr. Z gave a test in Physics. Scores for the class are as follows: 76, 55, 73, 93, 29, 74, 57, 34, 54, and 75 out of a possible 100 points. Assume scores from this test are normally distributed.

1. Find the Median, Mean, and Standard read more ..

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Guest Apr 27, 2018

576

I need some help with this one

appreciate all answers :)

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Guest Apr 27, 2018

1589

+295

Special Right Triangles

A -- triangle is drawn on the exterior of an equilateral triangle so the hypotenuse of the right triangle is one side of the equilateral triangle. If the shorter leg of the right triangle is 6 units, what is the distance between the two vertices read more ..

Omi67 ●

TheMathCoder Apr 27, 2018

1530

+295

Similar Triangles

In the figure, what is the area of triangle ? Express your answer as a common fraction.

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TheMathCoder Apr 27, 2018

3364

+295

Probability with Casework

Each of eight houses on a street is painted brown, yellow or white. Each house is painted only one color and each color is used on at least one house. No two colors are used to paint the same number of houses. In how many ways could the eight houses on read more ..

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TheMathCoder Apr 27, 2018

745

Help

Line l1 is horizontal and passes through (1,1) . Line l2 is vertical and passes through (2,2). Find the point of intersection of l1 and l2 .

GYanggg ●●

Guest Apr 27, 2018

1618

Need of urgent help

Suppose the point $(1,2)$ is on the graph of $y=\frac{f(x)}2$. Then there is one point which must be on the graph of $y=\frac{f^{-1}(x)}{2}$. What is the sum of that point's coordinates?

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Guest Apr 27, 2018

894

Hey

The equation of a parabola is 1/16(y+3)2=x+4 .
What are the coordinates of the focus?
(−4, −7)
X(−8, −3)
(0, −3) read more ..

Guest Apr 27, 2018

469

Help!! Urgent!!!

Tengo que completar las ecuaciones con el trinomio cuadrado perfecto
9x 2 - 9x = 1
10x - 29 = x 2
4x 2 + 1 = 3x read more ..

Guest Apr 27, 2018

3094

+1246

Help!

In a class of 28 students, the teacher selects four people at random to participate in a geography contest. What is the probability that this group of four students includes at least two of the top three geography students in the class? Express your answer read more ..

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Lightning Apr 27, 2018

1153

+655

asap

Let an integer be bad if there is no way to insert a colon among the digits of to form a time of day (on a twelve-hour, digital clock), and good if a colon can be inserted to form a time. For example, 100 is good because we can write read more ..

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supermanaccz Apr 27, 2018

Apr 26, 2018

11043

+327

Geometry Questions Please Help!!! (4/26/18) Bolded Letters Are My Answers!

1) Which shape best describes the object generated when half circle is rotated about the axis?
A: Hollow Sphere
B: Solid Cylinder
C: Hollow Cylinder
D: Solid Sphere
read more ..

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KennedyPape Apr 26, 2018

833

+196

image is question help

help

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sangangsx Apr 26, 2018

737

+196

image is question

help

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sangangsx Apr 26, 2018

744

+196

help

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sangangsx Apr 26, 2018

801

+196

image is question

help

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sangangsx Apr 26, 2018

1322

+165

help asap please!!!

A stock market analyst observes the following for the price of two stocks that he owns, one of which is increasing at an exponential rate (geometric) and the other is increasing in a linear fashion (arithmetic).
Stock A: Equation: an = 10n + 152, read more ..

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hay24 Apr 26, 2018

-1

1007

+59

One hundred ninety-one of the 288 high school students surveyed

One hundred ninety-one of the 288 high school students surveyed at a local school say they went outside more during school hours as elementary school students than they do now as high school students. Calculate the margin of error (ME), rounded to the nearest read more ..

hayleeirene Apr 26, 2018

All Questions ⁺⁰238211 Questions

Help me with math plz!!

What is 11∑n=1(98−2n) equal to?

NEED HELP ASAP!!!!! Explicit & Recursive Rules.

Determine a constant k such that the polynomial P(x,y,z)=x^5+y^5+z^5+k(x^3+y^3+z^3)(x^2+y^2+z^2) is divisible by x+y+z.

I NEED HELP ASAP!!!!!

URGENT HELP PLEASE

Need your help please

Mr. Z gave a test in Physics. Scores for the class are as follows:

I need some help with this one

Special Right Triangles

Similar Triangles

Probability with Casework

Help

Need of urgent help

Hey

Help!! Urgent!!!

Help!

asap

Geometry Questions Please Help!!! (4/26/18) Bolded Letters Are My Answers!

image is question help

image is question

help

image is question

help asap please!!!

One hundred ninety-one of the 288 high school students surveyed

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