Answer:
1. 15 (A)
2. 12 (G)
Step-by-step explanation:
1. We can make an equation out of this...
3x+3=48
x is the age of Geoff which is what we are trying to find out
We have to add 3 to both sides of the equation
3x+3=48
-3 -3
________
we end up with 3x=45
we then have to divide 3 by both sides because its the opposite of
multipling
3x=45
_____
3
we get x=15
2. We can write a problem statement
(2 x 9)-6=?
multiply 2 and 9 <u>FIRST</u>
18-6=?
your answer is 12
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Answer:
yes -156 is correct
Step-by-step explanation:
Answer:
420
Step-by-step explanation:
9660÷23=420
and 420×23 =9660
Answer:
The largest possible area is 10,000 square feet
Step-by-step explanation:
Since she has 400 ft of fencing material, this means that the perimeter of the pen will be 400 ft
Mathematically, the perimeter of a rectangle is is;
2(l + b) = 400
Thus, l + b = 400/2
l + b =200
This means the length and width pen add up to 200
Mathematically, the maximum area can be obtained if the side of the length and the width are equal
So we will have to share the 200 into 2 , that makes 100 for each
The largest possible area is thus;
100 ft * 100 ft = 10,000 square feet
1/6 ÷3 is the same as 1/6×1/3 so then we do the butterfly method so it equals 3/6 which is 1/2