Answer:
a = 4
Step-by-step explanation:
1. Expand
2. Simplfy
3. Add 5a to both sides.
4. Simplify again
5. Add 33 to both sides.
6. Divide both sides by nine
7. Switch the sides up.
Answer:
1/3
Step-by-step explanation:
We are given ...
barrettes : hair ties = 5 : 7
barrettes : hair bands = 5 : 8
Then the combined ratios are ...
barrettes : hair ties : hair bands = 5 : 7 : 8
For every 5 barrettes, there are 7+8 = 15 hair ties and bands, so their ratio is ...
barrettes/(hair ties and bands) = 5/15 = 1/3
Answer:
slope = -1/4
y-intercept = 8
Step-by-step explanation:
In the equation y = -1/4 x + 8
The slope is -1/4 and the y-intercept is 8.
Linear equations are written like "y=mx + b"
"m" stands for slope.
"b" stands for y-intercept.
