Answer:
D) 52
there is a 90 degrees angle and the one inside, it is less than 90 degrees so your answer is 52
X= fancy, y= plain
x+y= 7
28x+ 15y=131
solve by substitution
Answer:
the answer is C... 100 m2
Step-by-step explanatii just took the test and it was right. the base would be 20 and the height would be 10. from there you just you the formula for area of a right triangle.
If you add each cost together the price is 47.45
Hope this helps :)
Answer:
B) 1.15x, adding 15% to the cost of haircut is same as to multiply cost by 1.15
Step-by-step explanation:
Given expression = x + 15% of x
x + (15/100) x = x + 0.15x
= (1+ 0.15) x = 1.15x
15% = 0.15 , added to x = 1.15x
