Dorian buys 2 pounds of almonds for $21.98 and 3 pounds of dried apricots for $26.25. Which is less expensive per pound? how muc
2 answers:
Answer:
Apricots are less expensive by $2.24 per pound.
Step-by-step explanation:
The cost of 2 pound of almonds for = $21.98
The cost of 1 pound of almonds =
= $10.99
The cost of 3 pounds dried apricots for = $26.25
The cost of 1 pound dried apricots =
= $8.75
Difference in cost per pound = 10.99 - 8.75
= $2.24
Dried apricots are $2.24 per pound less expensive.
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Answer:
x = -6, 1
Step-by-step explanation:
x= or x=
x= or x=
x=2/2 or x=-12/2
x = 1, -6
1. (2√5)/5
2. -44√7
3. 8√17
4. -6√3+12
For 1: Multiply the numerator and denominator by √5:
For 2: Simplify √112:
√112 = √(2*56) = √(2*2*28) = √(4*4*7) = 2*2√7 = 4√7
Now multiply by the -11 coefficient:
-11(4√7) = -44√7
For 3: Add the radicals as you would variables that are like terms.
For 4: Multiply by the conjugate. The conjugate of the denominator has the same values with the sign of the radical changed:
2. -44√7
3. 8√17
4. -6√3+12
For 1: Multiply the numerator and denominator by √5:
For 2: Simplify √112:
√112 = √(2*56) = √(2*2*28) = √(4*4*7) = 2*2√7 = 4√7
Now multiply by the -11 coefficient:
-11(4√7) = -44√7
For 3: Add the radicals as you would variables that are like terms.
For 4: Multiply by the conjugate. The conjugate of the denominator has the same values with the sign of the radical changed: