Answer:
The perimeter is 70
Step-by-step explanation:
Isosceles means all sides same length. So to start out, you need to firgure out x so you can do let's say 3x-5=19x, or you can do 2x=19-x, or an combination pretty much. Once completing this, you find that x=14. Now all you have to do is plug 14 into all the x spots, and add everything together
Hope it helped :-)
Answer:
If its considered a triangle every unit inside a triangle is 90 square units
Step-by-step explanation:
Answer:
1. 3
3. 10
Step-by-step explanation:
1. Write a proportion by writing each ratio as a fraction and setting the fractions equal. A proportion is an equation where two ratios are equal to each other. Then cross multiply denominator and numerator of each fraction to solve.
2. Repeat same process as #1.
3. The ratio of girls to boys is 3:2. There are 15 girls. write a proportion to solve using b as the number of boys.
There are 10 boys.
Answer:
y = 5x + 4
Step-by-step explanation:
Starting with 5x - y = -4
Subtract 5x from both sides to get -y = -5x - 4
Multiply the entire equation by -1 to make the y positive
You get y = 5x + 4
