Answer:
1. He added 5 instead of subtracted 5.
2. He should have subtracted 5.
3. 2 2/3
Step-by-step explanation:
3x+5=13
subtract 5 to both sides 3x=8
divide both sides by 3 x=8/3 or 2 2/3
Answer:
graph b
Step-by-step explanation:
it's b because it doesn't have any features like a function it's just a round shape that makes it a none function
Answer:
The perimeter is 22.
Step-by-step explanation:
If you turn this shape into a rectangle, the perimeter doesn't change.
The width is given, it is 7.5. The height is BC+DE = 3.5
Then the perimeter is twice the width plus twice the height:
7.5*2 + 3.5*2 = 15+7 = 22
Answer:
-26.5
Step-by-step explanation:
-12.3 - 14.2 =
in addition or subtraction, if the signs are alike, u add them and keep the same sign
so, -12.3 - 14.2 = - 26.5
but dont get this rule confused with multiplying or dividing...because those have different rules
Answer:
Profit % = 39%
Step-by-step explanation:
Cost price of the article = 9
Price for repairing = 4
Therefore, Total cost of the article = 9 + 4 = 13
Selling price of the article = 18
Profit = 18 - 13 = 5
Hence,
Profit percent (to the nearest %) = 39%
