Answer:
20 dollars
Step-by-step explanation:
sorry if I'm wrong
Answer:
(0,7)
Step-by-step explanation:
(I'm assuming you have to solve the system of equations)
3x -10y = -70
4x +9y = 63
Solving by elimination.
Eliminate x first, so we need the x-component of both equations to have the same number but opposite sign. So i'm going to multiply the first by -4 and the second by +3.
//I could have also done +3 to first and -4 to second
-4(3x -10y = -70)
3(4x +9y = 63)
-12x +40y = 280
12x +27y = 189
Add the equations //x's cancel
67y = 469
Divide both side by 67, y=7
Plug in y into any original equation to solve to x
3x - 10(7) = -70
3x -70 = -70
3x = 0
x=0
Break it into squared and rectangles and find the area of those first then add it all together
For your square you would get 16 ft squared
For your rectangle you would get 32 ft squared
For your other rectangle you would get 32 ft squared as well
Then add those all together to get the full answer
80 ft squared
Hope this helps :)
B. 18
9 18 = 198
--- X ----
11 22 = 198
Cross Multiply
2v + 18 = 16 - 4(v + 7)
Simplify by removing the parenthesis.
2v + 18 = 16 - 4v - 28
Now, simply add 4v to both sides.
2v + 4v + 18 = 16 - 28
Simplify.
6v + 18 = -12
Now, subtract 18 from both sides.
6v = -12 - 18
Simplify.
6v = -30
Finally, divide both sides by 6.
6v ÷ 6 = 30 ÷ 6
Simplify.
v = 5
~Hope I helped!~
