Answer:
perimeter = 52
Step-by-step explanation:
side of square = 2x + 1
- so first lets find the perimeter of square
p = 4 × s (side)
p = 4(2x +1)............. from the given
p = 8x + 4...... we will come back for this equation
side of trianles = 2x,2x,3x + 10
- second lets find the perimeter of triangle
p = s + s + s ( all the three sides)
p = 2x + 2x + 3x + 10
p = 7x + 10........we got another equation we will use it later
- The question says the perimeter of square and the perimeter of triangle are equal so
- 8x + 4(the perimeter of square we solved before) = 7x + 10(the perimeter of triangle we solved before)
8x + 4 = 7x + 10
8x - 7x = 10 - 4
x = 6 ... now lets substitute x
8x + 4
8 × 6 +4
48 + 4
52
the same thing will happen if we substitute for the perimeter of triangle too.
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Total squares= 12
1x + 2x = 12
3x = 12
3x/3 = 12/3
x = 4
1x4 = 4
2x4 = 8
So. C is the answer
Answer:
c
Step-by-step explanation:
If there are 100 cards and you can only pick numbers less then 12, you then could only have a number between 1 and 11
Answer:
in picture
Step-by-step explanation:
— Round tables will have 6 chairs, rectangular tables will have 10 chairs, the total number of chairs must be at least 185: 6x +10y ≥ 185
— There be no more than 15 rectangular tables: y ≤ 15
— No fewer than 6 round tables: x ≥ 6
— Rectangular tables must be at least 1/3 the number of round tables: y ≥ (1/3)x ⇒ 3y ≥ x
We need specifics about the data
