Plz help

Mathematics

1 answer:

tankabanditka [31]3 years ago

5 0

Answer:

Because if it is converted to percentages it would be easier to see.

-225%, -250%, -275%.

You might be interested in

If carol hangs a picture using 3/8 yard of a wire that is 1 1/8 yards long.how much wire will carol have left?

Artemon [7]

Let the wire left be x yards.

Therefore, the answer of your question will be x yards.

Answer = x yards

8 0

3 years ago

Solve the system of equations two ways: 3x+y=5 and x-2y=4 A) using substitution B) using elimination

Vedmedyk [2.9K]

A. solve for 1 variable
let's solve for x in 2nd equation
add 2y to both sides
x=2y+4
sub 2y+4 for x in other equation
3(2y+4)+y=5
6y+12+y=5
7y+12=5
minu12 both sides
7y=-7
divide 7
y=-1
sub back
x=2y+4
x=2(-1)+4
x=-2+4
x=2
(2,-1)

B. eliminate
eliminate y's
multiply first equation by 2 and add to first

6x+2y=10
<u>x-2y=4 +</u>
7x+0y=14

7x=14
divide by 7
x=2
sub back
x-2y=4
2-2y=4
minus 2
-2y=2
divide -2
y=-1
(2,-1)

(2,-1) is answer

5 0

3 years ago

Show me how to do the steps to solve this math problem: Tom has a can of paint that covers 37 1/2 square meters.Each board on th

ki77a [65]

He can paint 200 boards

8 0

3 years ago

1.<br> The cos120" is equal to

Veseljchak [2.6K]

Answer:

Value of Cos 120 is -½.

Step-by-step explanation: