2.8 I got that same on on khan academy it’s 2.8 trust me
Answer:
b=-1
Step-by-step explanation:
3(b+2)+2(b-3)=-5
3b+6+2b-6=-5
5b=-5
b=-1
Answer:
x = 27
Step-by-step explanation:
I'm assuming the equation looks like this:
Here's how to solve for x:
(subtract 5 from both sides)
(Find the GCF of 3 and 9, which is 3. Multiply 2/3 by 3/3. You get 6/9)
(add like terms)
(multiply 9/5 to both sides, which is the same as dividing both sides by 5/9)
x = 27
Hope it helps (●'◡'●)
Answer:12 blue marbles
Step-by-step explanation:
I by 5 percent chance of blue marble
Let the number of blue marbles be x
X/60=1/5
5x=60
X=60/5
X=12
-4+x=9.5
x=13.5
The student might have subtracted 9.5-4, which results in the answer 5.5. The correct answer is 13.5.