Im want to know hiw too solve the problem 15-7+2
2 answers:
For this case we must solve the following expression:
By law of signs of the sum we have to comply:
- Equal signs are added and the same sign is placed.
- Different signs are subtracted and the major sign is placed.
So, we have:
Finally we have to:
Answer:
10
15-7+2
Use PEMDAS
P=Parentheses
E= Exponents
M=Multiplication
D=Division
A= Addition
S=Subtraction
15-7+2
15-5
=10
Answer: 10
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Answer:
if ΔPQR ≈ ΔSTU =>
=> PQ/ST = PR/SU = QR/TU
9/7 = 12/8 = 15/10
9×8 = 7×12
72 = 84 (false)
=> ΔPQR ≠ ΔSTU
Answer:
Step-by-step explanation:
its b because if you multiply 3 x 6 you get 18 which is outside the radical
2000x-40y
Y=100
My math teacher said 200x is simplified enough. Y makes 4000 simplified.