Use:
Answer: 3"8^-1a^2b^3c^5x^-4y^-3z^-1
Answer: 3"8^-1a^2b^3c^5x^-4y^-3z^-1
Anita sold USB thumb drives for $4.95, which was a 10% markup from what she paid for each. How much did Anita pay for the drives
1 answer:
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Answer:
24 and 21
Step-by-step explanation:
the ratio of their ages is 8 : 7 = 8x : 7x ( x is a multiplier )
In 6 years
8x + 6 : 7x + 6 = 10 : 9
Express the ratio in fractional form
=
( cross- multiply )
9(8x + 6) = 10(7x + 6) ← distribute parenthesis on both sides
72x + 54 = 70x + 60 ( subtract 70x from both sides )
2x + 54 = 60 ( subtract 54 from both sides )
2x = 6 ( divide both sides by 2 )
x = 3
Thus
Tony = 8x = 8 × 3 = 24
Vihaan = 7x = 7 × 3 = 21
For this case we have the following expression:
Rewriting the expression we have:
Where,
x: exponent to which we must raise the expression to obtain 7 as a result.
We have then:
The exponent must be equal to 1:
Clearing x we have:
Substituting valres:
Answer:
you must raise the expression to 2
Rewriting the expression we have:
Where,
x: exponent to which we must raise the expression to obtain 7 as a result.
We have then:
The exponent must be equal to 1:
Clearing x we have:
Substituting valres:
Answer:
you must raise the expression to 2