用戶57802

[匿名]

回覆: 1

2017-02-08 1:15 am

the common tangent, AB and CD to two circles with centres O and O' intersect at E. Prove that the points O, E, O' are collinear.?

[匿名]

回覆: 1

2017-02-07 4:14 am

A rectangle has corners at the points with coordinates (1,2), (3,1), (5,5) and (3,6).?

[匿名]

回覆: 1

2017-02-07 4:17 am

A shape is rotated through 180* about the origin and then its image is reflected in the x-axis.?

[匿名]

回覆: 2

2017-01-23 5:35 am

Please help to evaluate this limit: lim x->infinity (x^23/2^x)?

[匿名]

回覆: 10

2017-01-17 12:29 pm

PRE CALC HELP!!!!?

[匿名]

回覆: 2

2017-01-19 11:21 am

Find all of the points of the form (x, −x) which are 7 units from the origin.?

[匿名]

回覆: 4

2017-01-17 9:23 am

I'm unable to solve this problem I tried so many times but I didn't get the answer?

[匿名]

回覆: 4

2016-12-23 2:25 am

SAT math question?

[匿名]

回覆: 2

2016-12-12 5:02 am

Maths Homework Help?

[匿名]

回覆: 4

2016-12-11 1:05 pm

Did I do this problem correct? Finding slope of a function at a specific x axis.?

[匿名]

回覆: 1

2016-12-11 12:57 pm

The results of 8 matches(win,loss or draw) are to be predicted.the number of different forecasts containing exactly 6 correct result is?

[匿名]

回覆: 4

2016-12-05 8:37 pm

if sinθ=2/sqrt5 what is tanθ equal to?

[匿名]

回覆: 1

2016-12-04 10:38 pm

Given that a=1 and b=9 in the triangle, find sinA?

[匿名]

回覆: 1

2016-12-01 8:00 pm

Discrete Math Proof?

[匿名]

回覆: 2

2016-12-01 3:53 am

Any Help??? S=1/2(wh1+wh2) Solve for w?

[匿名]

回覆: 3

2016-11-24 9:42 pm

Point of inflection?

[匿名]

回覆: 4

2016-11-23 8:25 pm

Find all solutions of the equation in the interval [0,2pi) cscθ+2=0 Write answer in radians in terms of pi?

[匿名]

回覆: 1

2016-11-19 12:45 am

physics!!! #4?

[匿名]

回覆: 14

2016-11-18 8:06 pm

Tại vì sao dân miền Tây và dân Hà Nội lại có tính tình khác nhau đến thế ?

[匿名]

回覆: 1

2016-11-18 4:23 am

Determine if 9x2 - 42x + 49 can be the area of a sq. If so, what would the value of x have to be if the area of the sq is 64 sq mt? A = s2?

[匿名]

回覆: 2

2016-11-18 2:56 am

Use the law zines to solve the triangle if possible B=31 C =23 b=22?

[匿名]

回覆: 4

2016-11-15 7:57 pm

h(t)=-16t^2+80t. whats the maximum height that the rocket will reach?

[匿名]

回覆: 3

2016-11-06 4:12 am

Let u =7i-3j and w=-i-5j. find ||w-u||?

[匿名]

回覆: 2

2016-10-24 2:48 am

Math Help?

[匿名]

回覆: 1

2016-10-18 8:50 pm

Find the corresponding point on the graph of the given function.?

[匿名]

回覆: 2

2016-10-13 2:42 am

Write the equation of the parabola in vertex form: the vertex is (2,3)​, and a point on the parabola is (3,−2)?

[匿名]

回覆: 1

2016-10-13 1:34 am

Given the function, f(x)=1 over x-1 -5, choose the correct transformation.?

[匿名]

回覆: 1

2016-09-20 1:35 am

Explain why, without using computations, an angle measuring 180° is equivalent to one measuring π radians.?

[匿名]

回覆: 6

2016-09-20 12:35 am

1. θ = 6.5 radians 2. θ =3π/4 radians 3. θ = 6 radians?

KA HO

回覆: 3

2016-09-19 7:16 am

Maths problems?

[匿名]

回覆: 2

2016-09-15 12:34 am

The coordinates of City A are (10, 12) and the coordinates of City B are (3, 4). Find the distance between the two cities.?

[匿名]

回覆: 3

2016-09-15 12:15 am

Use the midpoint formula to determine the midpoint of the segment with endpoints A(-2, 3) and B(3, -2).?

[匿名]

回覆: 4

2016-09-15 12:11 am

Decide whether lines p and q are perpendicular. p: y = 2x + 5 q: y = (1/2)x + 5?

[匿名]

回覆: 1

2016-09-12 11:36 pm

What are some equations that equal 2.?

[匿名]

回覆: 2

2016-09-12 10:50 pm

What are some two step equations that equal 22?

[匿名]

回覆: 2

2016-09-12 3:43 am

URGENT ALGEBRA HELP!?

[匿名]

回覆: 1

2016-08-26 1:29 am

Explain how reference angles are used to find trigonometric functions of an obtuse angle.?

[匿名]

回覆: 2

2016-08-21 6:24 am

Help and answer check...?

[匿名]

回覆: 2

2016-08-09 4:31 am

In how many ways can we select a committee of 3 boys and 2 girls form a class of 12 boys and 16 girls?

[匿名]

回覆: 4

2016-08-09 12:16 am

ten times more than 90 is_______? That means that : 90 x______ =______?

[匿名]

回覆: 3

2016-08-03 7:02 am

Let x ◦ y = (x − 2y)2 for all integers x and y. Which of the following is the value of 5 ◦ (−3)?

[匿名]

回覆: 1

2016-08-03 2:28 am

Given the geometric sequence an=4^n Find the first three terms and the common ratio. a1 a2 a3 r?

[匿名]

回覆: 3

2016-08-03 2:26 am

Find the tenth term of the geometric sequence with a2=1/2 a5=4?

[匿名]

回覆: 2

2016-08-03 2:24 am

Find the sixth term of the geometric sequence with a1=-2 r=3 a6=?

[匿名]

回覆: 4

2016-08-01 11:31 pm

A bent coin is tossed 5 times. the probability of tails is 2/3/ find the probability that tails will show exactly 3 times.?

[匿名]

回覆: 3

2016-08-01 5:00 am

A triangular-shaped wall has a base of 2x + 4 and a height of x + 3. The area of the triangle is 56 in.2. What is the value of x?

[匿名]

回覆: 3

2016-07-25 7:22 am

Trig math help please!?

[匿名]

回覆: 3

2016-07-18 10:18 pm

is this area formulae 2πr2+2πrh equal to 2xπxr2+2xπxrxh?

[匿名]

回覆: 6

2016-07-18 6:25 am

If log y=x, then log 3 √y=?

[匿名]

回覆: 3

2016-07-18 6:07 am

Complex locus question !?