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Answer:
5
Step-by-step explanation:
She spent a total amount of $80...
she bought herself a salad of $20......
$20 dollar subtracted from $80 is $60......
and if a pizza cost $12......
$60 divide by $12 is equal to 5
<em>therefore she bought 5 pizzas for her kids</em>
A: 49.50
Explanation: 10% of 50 is 5, and 5 dollars off of 50 is 45. The ten percent tax would be 4.50 cents, making it 49.50
Please give brainliest if it helped!
Step-by-step explanation:
z = b - ma
z - b = ma
z - b / m = a
A ^ 3b ^ -2 / ab ^ -4, a ≠ 0, b ≠ 0
First we rewrite the expression respecting the properties of the exponents.
b ^ -2 = 1 / b ^ 2
1 / b ^ -4 = b ^ 4
We have then:
a ^ 3b ^ -2 / ab ^ -4
a ^ 3b ^ 4 / ab ^ 2
answer:
An expression using positive exponents is
D a^3b^4/ab^2
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