<CAD+<CDA=90
2x-y+x-1=90
3x-y=91
<CBD+<CDB=90
2x+3+y-2=90
2x+y=89
then
3x-y=91
2x+y=89
5x=180
x=36
y=17
<CDA=35
<CDB=15
Answer:
○
Step-by-step explanation:
According to the Order of Operations [GEMS\BOMDAS\PEMDAS etc.], Subtraction & Addition are evaluated after Division & Multiplication:
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Answer:
Step-by-step explanation:
null set
Answer:
x=7
y=2
Step-by-step explanation:
10 + 2x = -2y ➡y = -5-x
replace y with -5-x in the first equation
-5-x-x = 9➡ -2x-5 = 9 ➡-2x = 9+5 ➡ x = -7
now use this information to find value of y
y - (-7)=9 ➡y = 2
Answer:
x=-1
Step-by-step explanation:
The axis of symmetry is along the vertex
The vertex is at (-1,-2)
The x coordinate is -1
x=-1