Answer:
Step-by-step explanation:
Seperate it into two pieces;
Piece 1, base of 2, height of 9
Piece 2, base of 8, height of 5.
Area of Piece 1:
A = bh
A = 2 (9) = 18
Area of Piece 2:
A = bh
A = 8 (5) = 40
Add the areas of both pieces:
18 + 40 = 58 m2
First change the percent to a decimal 40% = 0.4
then subtract 99 - 0.4 = 98.6
the answer is 98.6
To multiply 36*5.9 one way of doing it without a calculator and in a way that I can show you here you can do. 5.8*36 is the same as saying 36+36 5.9 times so we can first off take 36*5=180 and then to find are .9 part of 36 we would have to take 36*.9=32.4 so now we take 180+32.4=212.4 and that is are end answer.
Enjoy!=)
Answer:
4x+3
How: -2x - (-6x) = 4
3 cannot be added there you go
Answer:
Joyce has total 62 colored beads.
Step-by-step explanation:
For making groups of 9, let the number of beads be x.
total beads = 9x + 8
For making groups of 8, let the number of beads be y.
total beads = 8y + 6
As the total number of beads in both cases are same so,
9x + 8= 8y + 6
or, 9x-8y = -2
Now lets check the values through hit and trial;
First check; x=6, y=7
9*6 - 8*7 = -2
or, 54- 56 = -2
or, -2 =-2
This satisfies our equation.
Hence; Total beads = 9*6 + 8 = 62
The total number of beads joyce had is 62.