$a-length\ one\ of\ the\ same\ sides\\\\a-9-length\ of\ third\ side\\\\a+a+a-9=63\ \ \ \ \ \ |add\ 9\\a+a+a=63+9\\3a=72\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |divide\ by\ 3\\a=24\\\\a-9=24-9=15\\\\The\ shortest\ side\ is\ 15.$

4 0

3 years ago

The ratio of boys to girls in Anaya’s class is 10 to 15. There are 20 boys how many girls are there

ASHA 777 [7]

Answer:

30 girls

Step-by-step explanation:

10 x 2= 20

15x2=30

For every 10 boys there are 15 girls. since 20 is just 10 multiplied by 2 you can multiply 15 by 2

7 0

3 years ago

What does b represent in the equation of a line in the form y = mx + b?

Dvinal [7]

B is called "the vertical intercept" and is the value of y when x = 0. Something like an initial value!

4 0

3 years ago