Answer:
Step 3
Step-by-step explanation:
He added -6 and 8 when he should've multiplied following pemdas
( multiplied the 8 and 7 )
Lets say that you have 4-2=? you can use a bar model....
{the stars are the bars}
you have 4 total and now you need to subtract 2
****
{ i just took away 2 and then you count the bars but in this model count the stars}
**
Hope this helps!!!
Answer:
perimeter of triangle=sum of all sides
perimeter of triangle = 3/10ft + 3/10ft + 1/10ft
perimeter of triangle =7/10ft
4(x+2)+2=14
4x+8+2=14
4x+10=14
Subtract 10 from both sides
4x=4
Divide by 4 on both sides
x=1
Answer:
8×
Step-by-step explanation:
you just add 7×+1 and the answer will be 8×
