Answer: take the first digit of a and divide it by b
Step-by-step explanation: and that should give you your answer and if not please feel free to mesage me.
Write and solve an equation of ratios to answer this.
2.25 cup x
-------------- = -------------
0.375 cup 1 cup
2.25
cross-multiplying, 2.25 = 0.375x. Solving for x, x = ---------- = 6
0.375
Brianna would need to use 6 cups of flour if she wants the mixture to contain 1 cup of baking soda.
(x^2 +3)(5x+9)
5x^3 + 9x^2 + 15x + 27
Answer:
I believe b is 5.
Step-by-step explanation:
When you place the points in the values, you get 5=3(0)+b. When you simplify it, you get 5=b. I really hope this is correct, I apologize if it isn't! I hope this helps! :)
(7x - 2y) (3x +5y) ( First open brackets)
= 21x² + 35xy - 6xy - 10y² ( solve like terms)
= 21 x² - 10y² + 29xy.
