162.56cm or if you round it, 163cm
Answer:
40º
Step-by-step explanation:
straight line: 180º
180-58-82=40
Answer:
the 2$ resturant needs 11 and the $1.50 needs 16
Step-by-step explanation:
division
Answer:
B
Step-by-step explanation:
trust me bro
<u>Answer</u>:
x = 7, y = 2
<u>Explanation</u>:
equations given:
x + 7y = 21
x + 4y = 15
make "x" the subject:
x + 7y = 21
x = 21 - 7y .........equation 1
x + 4y = 15
x = 15 - 4y .......equation 2
Solving both the equations simultaneously:
15 - 4y = 21 - 7y
-4y + 7y = 21 - 15
3y = 6
y = 6 ÷ 3
y = 2
If y is 2
Then x = 21 -7y;
x = 21 - 7(2)
x = 21 - 14
x = 7
