Answer:
11
Step-by-step explanation:
All angles on a triangle equal 180. 80+60=140.
Now to solve for x, we set it to equal 40 for 180-140.
40=3x+7. 40-7=33
33=3x 33/3=11
x=11
Answer:
3/4
Step-by-step explanation:
2/3=8/12
3/4=9/12
Common denominator: 12
larger fraction: 3/4
PLS GIVE BRAINLIEST
The least common multiple of 30 and 13 is 390 !
I believe at the most, it can be near 16k years old.
Answer:
The word "Of" in an equation is interpreted to be multiplication. Also, you must move the decimal two places to the left to change a percent to a decimal.
1. 20 * .12 = 2.4
2. .3 * 70 = 21
3. 300 * .25 = 75 Blue marbles
4. 40 * .35 = $14