Answer:
27,28 and 29
Step-by-step explanation:
10*a = a+1+a+2+213
10a - 2a = 216
8a = 216
a = 27
27, 28, and 29
Answer:
Coin 1: Penny
Coin 2: Penny
Coin 3: Dime
Coin 4: Quarter
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Coin 1: 1
Coin 2: 1
Coin 3: 10
Coin 4: 25
Step-by-step explanation:
Clue 1: 1 + 1 + 10 + 25 = 37, which is an odd number so that works.
Clue 2: 1 + 10 = 11, so that works.
Clue 3: 1 = 1 < 10 < 25 (1 is equal to 1 is less than 10 is less than 25) so that works.
Answer:
4x^2 - 1 = 0
Step-by-step explanation:
x = 1/2, x = -1/2
2x = 1, 2x = - 1
2x - 1 = 0, 2x + 1 = 0
( 2x - 1 )( 2x + 1 ) = 0
4x^2 - 1 = 0
1.5 and 3/2. 1.5 because 1/2 is equal to 0.5. 3/2 because it can be converted into an improper fraction
Answer:
circle area = 400*d^2
Step-by-step explanation:
