Probability

Toss a coin 5 times. What is the probability that there are exactly 2 Heads and 3 tails?   Five men and three women applied for 2 scholarships. What is the probability that both the winnerswill... more

06/17/18

How do you write an equation of a line that is parallel to the x-axis and passes through the point (4,-7)

For this question I have to find the equation of a line. I am not sure how to solve this. 

Clara had six dollars. She spent two dollars on lunch and then spent three dollars on a magazine. Which equation best represents how much money Clara had left?

Clara had six dollars. She spent two dollars on lunch and then spent three dollars on a magazine. Which equation best represents how much money Clara had left?   Clara had six dollars. She spent... more

Why is William Shakesphere important?

I need reasons about why he is important

Permutation Question

Teri has 7 books and she wants to put 3 books on her shelf. Out of the 7 books, there are 2 books that start with the letter A, 2 books that start with the letter M, and 3 books that start with the... more

Why the answer is 1:500 but not 1:250000

The actual area of a playground is 900m2.If the area of the playground on a map is 36 cm2,then the scale of the map is? i thought the answer is 36:900*100*100=1:250000 but is wrong

A kite at the end of 40 feet line is 10 feet behind the runner. How high is the kite?

I think I need to use the Pythagorean theorem? But I don't know which is a or b od c. Please help me

06/17/18

In the math algebaric expression

(5x-3)(x+4)-(2x+5)(3x-4)

06/17/18

What is the number of terms in the arithmetic sequence in which a1=2.5 1d=1.5 and an is13th

a1=2.5 1d=1.5 and an is 13th

06/16/18

You are given the following: p(A and E)=.16 ,p(A and E)=.32,p(A and E)=.12 and p(A and E)=.40.what is p(A)?

Plz help me .it it a tricky question and I want to know the answer and method of solving.

06/16/18

On a graph I have a line called AC, the equation of that line is y=-x. And point A is (0,0). How do I find point C?

AC||BK, point B is (-2,0) and point K is (-1,-1)

How do you do the surface area of a cylinder? -using semi circles?

I dont know how to upload the question here, but if you respond, ill upload it via email.

06/16/18

ROUNDING ANDESTIMATING

You are working out a budget for your holiday. Here is your list:Food $594.09Clothes $204.33Trips $100.40Transport $310.05Extras $189.74Estimate how much you will spend altogether $(Round each... more

06/16/18

Logarithm Rules

Use the logarithm rules to prove.... log(5/36) - log(5/9) equals -log4 Show all working

06/16/18

hard problem

Hannah is looking for a job cutting hair. One option is self-employment at The Vindale Salon, where she would pay $430 per month to rent a station and keep all of her earnings. Another option is to... more

Has a diameter with end points A(-3,2) and B(7,4)

Give me the solution

06/16/18

Center of the origin, √11

I can't answer  

06/15/18

Find all points of discountinity

X+2;x<=1 X-2;1<x<2 0;x>=2

Average rate of change between 0 and 5

Average rate of change of f between 0 and 5   F(x)=1/(2×+5) 

06/15/18

Average rate of change function

f(x)=x2 -2 find the rate of change on the interval (3,3+h)

06/15/18

11. Given the table below, evaluate the following: a:(3f+2g) b:(FoG)(-1)

Table  x      -3    -2    -1    0     1    2    3    4     5   f(x)   10   20   30   40   50   60  70  80  90 g(x)  -1    -2   -3    -4   -5   -6   -7   -8  -9

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