find all pionts (x,y) with x+y that are 5 units from (-1,6)

hi having a hard time sloving this problem plz help thx

quadratic equations

An object is dropped from a window. The height S of the object after t seconds is given by the equation S= -16 t squared+ 100. Find how many seconds pass before the object hits the ground. (Hint:... more

02/20/17

Evaluate the expression for c = -4. 9 – |c| =

i need help

02/19/17

Find all values of a,b,c in order for A to be symmetric

A= [ 4   a-b   6]     [ 2    3    b+c ]   [ a-b+c  5   -2] What I dont imderstand is how you get this as an answer : a-b=2 a-b+c=6 b+c=5

02/19/17

A square 20 cm long and a rectangle 24 cm long have the same perimeter.

A square 20 cm long and a rectangle 24 cm long have the same perimeter. Find the area of the rectangle.   Please tell me the final answer and how you got it.

02/19/17

Find elementary matrices such that E1A= B

A= [2 -1 4] [ 3 1 -1] [ 4 2 1 ] B= [ 2 -1 4 ] [ 3 1 -1 ] [ 0 4 -7 ] Please explain me the steps. I dont understand what I have to do. 

A square picture has an area of 110.25 cm2. To create a border, the picture is centered on a square mat with an area of 331.24 cm2.

Determine the width of mat around the picture.   Also, these are the choices to answer the question. Select one:a. 14.87 cmb. 1.28 cmc. 3.85 cmd. 55.25 cm   If I use your solution and it does... more

02/18/17

how do you know a dimension of a rectangle

Please Help this is my homework

02/18/17

how do you solve 2 + 5 x 10 =???

Can someone please show me how to solve 2 + 5 x 10 = ??? What are the steps and what is the order?

02/18/17

Finding the value of x

A soccer ball is kicked with some initial velocity v at some angle θ such that its path in the air follows the equationy=1.0+1.73x-1.225x^2where (x,y) is the coordinate of the ball along its path... more

02/18/17

iam so lost someone hellp me step by step please

  slove   6x2+7x=20

Finding the Area of two circles.

1.) Two concentric circles (two circles with the same center) has radii of 10 inches and 12 inches. Which has the smallest area? Use 3.14 for pi.a. The circle with radius 10.b. The ring between the... more

02/18/17

Solve for x

The pentagon FLIPS has interior angles that measure 110*,20x*,95*,50x*and 100*. Solve for x

02/18/17

this math question has me stumped!! HELP?!?

The art club at a community college is selling burgers at lunchtime as a fundraiser. The club spends $9 for condiments and supplies. The cost of the meat and bun for each burger is $0.35. Express... more

02/18/17

Total number of apples and orange

There was an equal number of apples and oranges in a basket. After 26 apples and 70 oranges were sold, the number of apples become 5 times that of the oranges.   a) What is the total number of... more

02/18/17

diagonal of a quadrilateral is 48 cm length and the length of perpendiculars to it from the opposite vertices are 4.8 cm and 8.6 cm. Find the area of quadrila

The diagonal of a quadrilateral is 48 cm in length and the length of perpendiculars to it from the opposite vertices are 4.8 cm and 8.6 cm . Find the area of the quadrilateral

Why do all my questions get downvotes?

Hello    For the past year almost every question Ive asked has gotten a downvote. I really dont understand why

02/17/17

Cellular phone service is available for $15 per month for 1748 minutes. What is the monthly cost per minute?

 Round your answer to the nearest tenth of a cent.

4 kitchen assistants can prepare 10kg of vegetables in 60 minutes. How long would it take 15 kitchen assistants to prepare the same amount?

I know it's an inverse proportion question but not sure how to solve it.

02/17/17

3 blazers, 5 blouses, 3 skirts. how many combinations

A female executive selecting her wardrobe purchased three blazers, five blouses, and three skirts in coordinating colors. How many ensembles consisting of a blazer, a blouse, and a skirt can she... more

02/17/17

Express the indicated degree of likelihood as a probability value. "It will definitely turn dark tonight."

Express the indicated degree of likelihood as a probability value."It will definitely turn dark tonight."

A parabola has a vertex at (2,4). The y-coordinate of the parabola at x=3 is 18/6 . Determine the x-intercepts of the parabola. Enter your answer in exact form

I need to find what the smaller and larger x intercepts are, but I'm not sure how to do that (and it's a homework question with a topic that hasn't yet been covered in class)

02/17/17

i need to show my work

2/21      M          =       12         28 

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