Answer:
13a + 9b + 11
Step-by-step explanation:
- 9a + 4a = 13a
- 4b + 5b = 9b
- 4 + 7 = 11
- Put them together: 13a + 9b + 11
I hope this helps!
Answer: The correct answer is the third option, (-3,-4).
Step-by-step explanation: You plug in 2x + 2 for y, given that y = 2x + 2.
2x+2 = x - 1
x = -3
Now, you plug in -3 for x in an equation.
y = -3 - 1
y = -4.
(-3, -4)
Answer:
b = 2.3
Step-by-step explanation:
450.8 / 196 = 2.3
Answer:
This ratio means for every boy there are two girls.
There are twice as many girls as there are boys. Backwards, it's there are half as many boys as there are girl.
The simplified ratio is found by reducing the ratio to the lower terms.
5/10 = 1/2
Both sides on the unsimplified ratio are division by 5. When done, it became 1/2.