Answer:
x=-7
Step-by-step explanation:
The sum of the angles of a triangle are 180 degrees
40 + x+57 + 90 =180
Combine like terms
187 +x = 180
Subtract 187 from each side
187-187 +x = 180-187
x = -7
67-x-20 hope this helped!!
Answer:
3x^2+3x-2+8/x-1
Step-by-step explanation:
Remainder: 8
Step 1 : Turn the x-1 to a positive 1.
Step 2: Write all the values
Step 3: Bring down the first value and multiply it bt 1
Step 4 : Subtract the next value from the previous answer.
Step 5 : Repeat till the last value.
WT
It does not perfectly cut the circle in half.
Answer:
24
Step-by-step explanation:
There are 4 possibilities for the first card.
After that, there are 3 possibilities for the second card.
Finally, there are 2 possibilities for the third card.
The total number of permutations is 4×3×2 = 24.
Here's the list (in alphabetical order):
ARS
ART
ASR
AST
ATR
ATS
RAS
RAT
RSA
RST
RTA
RTS
SAR
SAT
SRA
SRT
STA
STR
TAR
TAS
TRA
TRS
TSA
TSR