Which system of linear equations has NO solution?

A)a-b=2    b=-a-3 B) a-b=3     a+b=-2 C)-a+b=-2    b=a+3 D)a+b=3    -a+b=2

05/18/17

This is in my Vectors lesson

A balloon is flying at a constant speed of 20 mi / h at a bearing of N 36° E. There is a 10 mi / h crosswind blowing due east. What are the balloon's actual speed and direction? Round angles to the... more

Represent floor of a room of 20ft. x 20ft. The floor is to be covered with tiles 2 ft. by 2ft. Calculate number of tiles used to cover the floor of room

Represent floor of a room of 20ft. x 20ft. on a coloured sheet taking a suitable scale.The floor is to be covered with tiles 2 ft. by 2ft. Paste coloured square pieces usingthe above scale to show... more

plan A charges $15 per month plus 10 cents per minute and plan B charges $20 plus 5 cents per minute

how many minutes do the phone plan cost the same amount 

The Jurassic Zoo charges ​$10 for each adult admission and ​$6 for each child.   

The total bill for the 132 people from a school trip was $928. How many adults and how many children went to the zoo?

05/09/17

Math word problem

kevin cuts lawns for $20, gavin cuts lawns for $18. together they made $414. gavin made $54 more dollars than kevin. How many lawns did each person cut? math word problem How would i solve this... more

05/09/17

7th grade math problem

At a game booth, a student gets a box of candy as the prize for winning a game. The boxes come in four colors: white, red, green, and blue. There are 6 boxes of each color. All the boxes are... more

I don't get this!!! I have tried so many times for about an HOUR and I need help!!!

Three girls were comparing their scores. Joan has 2 times as many as Alyssa. Alyssa has 6 more than Mary. Together the three girls have a total score of 70. What is each girl's score?

Set up fee 150.00 the cost to produce 100 shirts is $2000.00 the shirts will sell for 25.00 . How much would it be for 600 shirts

Asu bookstore is selling silk screened shirts for the homecoming game . The set up fee is $150.00 . The total cost to produce 100 t shirts is $2000.00 the bookstore will sell the shirts for 25.00 .... more

imaginary nubmers and division

 Evaluate the expression−4+3i/4+4iand write the result in the form a+bi . The real number a equals The real number b equals   I got a=-1 and b=3/4 The answer I was supposed to get is a=-0.125... more

algebra 2 high school

The empire state building is 1250ft tall and 3.0 mi from the brooklyn bridge. From the bridge at what angle must you look to see the top of the Empire State Building. Round to the nearest tenth of... more

04/26/17

4x + 2y=46 x-3y=1

Elimination

04/26/17

The sum of two consecutive odd integers is 244. What is the smaller integer?

  The sum of two consecutive odd integers is 244. What is the smaller integer? A 119 B 125 C 123 D 121

What number should be added to -76 to get a sum of 61?

 I'm just confused on these type questions and need extra help on them.

I want to know exactly calculation of 126,468 cubic meter convert to square meter

I want to know exactly calculation of 126,468 cubic meter convert to square meter

04/22/17

A school's ratio of girls to boys is 4:3. If there are 350 students, how many boys attend the school?

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04/21/17

multiplication pattern

In a certain geometric sequence, if the first term is 3 and the fifth term is 1875. what is the middle term?

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