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Pani-rosa [81]
3 years ago
9

PLZ HELP! WILL GIVE BRAINLIEST!

Mathematics
2 answers:
Zina [86]3 years ago
7 0

Answer:

A.  $946.16

Step-by-step explanation:

First, when you set up the problem, you have to multiply .31 by the amount of money she has. Which gives you the answer of $1039.74. Next, you multiply .09 by $1039.74, which gives you answer of $93.5766. Now you just have to round it an it gives you answer of $946.16. I hope this helps, and I am so sorry if I am wrong!

pickupchik [31]3 years ago
4 0
The Answer:The 3 one.
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kap26 [50]
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Which point is on a circle with a center of (3,-9) and a radius of 5
agasfer [191]
Simply travel 5 units left, right, up and down to find other points on the circle using the center point.
Other points include...
(8, -9)
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3 years ago
Stoplight Auto Center is selling its shares for 28 3/4. What would be the cost of 90<br> shares?
Stells [14]

Answer: $2,587.50  for 90 shares

Step-by-step explanation:

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8 0
3 years ago
9 batteries cost 18 dollars what's the rate and unit rate
Vanyuwa [196]
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8 0
3 years ago
A random sample of adult female reaction times has a sample mean of x¯=394.3 milliseconds and sample standard deviation of s=84.
s2008m [1.1K]

Answer:

99.7%

Step-by-step explanation:

Given that mean (μ) = 394.3 ms and standard deviation (σ) = 84.6 ms.

The empirical rule states that for a normal distribution:

  1. 68% falls within one standard deviation (μ ± σ)
  2. 95% falls within two standard deviation (μ ± 2σ)
  3. 99.7% falls within three standard deviation (μ ± 3σ)

one standard deviation = 394.3 ± 84.6 = (309.7, 478.9). 68% falls within 309.7 and 478.9 ms

two standard deviation = 394.3 ± 2 × 84.6 = (225.1, 563.5). 95% falls within 225.1 and 563.5 ms

three standard deviation = 394.3 ± 3 × 84.6 = (140.5, 648.1). 99.7% falls within 140.5 and 648.1 ms

8 0
3 years ago
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