Answer:
51
Step-by-step explanation:
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
Multiplication first, then division, and then addition.
(8*18)÷4+15 (Multiplication)
(144÷4)+15 (Division)
(36) + 15 (Addition)
51
Hope that helps!
Answer:
x = 1/3 or -2
Step-by-step explanation:
2x^2 + 7x - 2 = - x^2 + 2x
3x^2 + 5x - 2 = 0 (use factoring)
(3x − 1)(x + 2) = 0
3x - 1 = 0 OR x + 2 = 0
3x = 1 x = - 2
x = 1/3
Can you mark as brainliest? Hope it helps by the way!
Answer:
oh, you may have forgotten to add the file, you can edit and add it, which i will edit my response and respond.
Step-by-step explanation:
In the left hand side, you're multiplying 7.8 by ![3.6\times 1](https://tex.z-dn.net/?f=%203.6%5Ctimes%201%20)
In the right hand side, you're multiplying again 7.8 by a mysterious number.
So, the unknown number must be ![3.6\times 1](https://tex.z-dn.net/?f=%203.6%5Ctimes%201%20)
Every number remains unchanged when multiplied by 1, so the answer is 3.6