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Dvinal [7]
3 years ago
9

Desmond paid 8.5% sales tax when he bought a new phone. The sales tax was $12.75. What was the cost of the phone, without tax? *

Mathematics
1 answer:
Over [174]3 years ago
6 0

Answer: 150$

Step-by-step explanation:

12.75 / 8.5%

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X^2-5x-6<br> X^2+3x-40<br> X^2+3x-4
luda_lava [24]

x² - 5x - 6

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x² + 3x - 40

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4 0
3 years ago
A medical test has been designed to detect the presence of a certain disease. Among people who have the disease, the probability
Oksi-84 [34.3K]

Answer:

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Step-by-step explanation:

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b) The probability that the person actually does have the disease\frac{0.06 *0.07}{0.06 *0.06 + 0.93 *0.94} = 0.0047

6 0
3 years ago
Anybody want to help with math? Pls hurry, I’ll give brainiest and everything.
Vsevolod [243]

Answer:

B

Step-by-step explanation:

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2 years ago
What is 90% of 20????
pickupchik [31]

Answer:

18

Step-by-step explanation:

Multiply 20 by 0.90 (that is 90%)

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Hope this helps :)

6 0
3 years ago
Read 2 more answers
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