454545/151515 which would be 3 i might be wrong.
Start by distributing the 4:
12-8x=15
Add 8x to both sides of the equation and subtract 15 from both sides:
8x=-3
divide both sides by 8 to get the value of x:
x=-3/8
Here's my work. Hope it helps.
Answer:
72 words per minute
Step-by-step explanation:
![\frac{1}{y}= \frac{42}{3024}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7By%7D%3D%20%5Cfrac%7B42%7D%7B3024%7D)
42 × y = 1 × 3024
42y = 3024
42y ÷ 42 = 3024 ÷ 42
y = 72
Answer:
The number of shaded squares changes by 2 in each figure
Therer will be 90 squares shaded in the 50th figure
Step-by-step explanation:
Brainliest PLS