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OleMash [197]
3 years ago
11

Paul has 144 army man and his toy box into six equal groups for battle how many army men are in each group

Mathematics
2 answers:
iogann1982 [59]3 years ago
5 0
I'm pretty sure this one is super easy 
you just take 144 and divide it by 6 which would look like 
144/6 then the answer is 24 
nalin [4]3 years ago
4 0
There are at least 24
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According to a recent​ poll, 25​% of adults in a certain area have high levels of cholesterol. They report that such elevated le
Readme [11.4K]

Answer:

The answer is below

Step-by-step explanation:

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

z=\frac{x-\mu}{\sigma} \\\\for\ a \ sample(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\where\ x=raw\ score,\mu=mean, \sigma=standard deviation

Given that n = 49, μ = 260 mg/dL, σ = 35 mg/dL

a) For x < 210:

z=\frac{x-\mu}{\sigma/\sqrt{n} } =\frac{210-260}{35/\sqrt{49} } =-10

From the normal distribution table, P(x < 210) = P(z < -10) = 0.0001

b) For x > 205:

z=\frac{x-\mu}{\sigma/\sqrt{n} } =\frac{205-260}{35/\sqrt{49} } =-11

For x < 215:

z=\frac{x-\mu}{\sigma/\sqrt{n} } =\frac{215-260}{35/\sqrt{49} } =-9

P(205 < x < 215) = P(-11 < z < -9) = P(z < -9) - P(z < -11) = 0.0001 - 0.00001 = 0.00009

c) For x < 200:

z=\frac{x-\mu}{\sigma/\sqrt{n} } =\frac{200-260}{35/\sqrt{49} } =-12

From the normal distribution table, P(x < 200) = P(z < -12) = 0.00001

d) For x > 222:

z=\frac{x-\mu}{\sigma/\sqrt{n} } =\frac{222-260}{35/\sqrt{49} } =-7.6

From the normal distribution table, P(x > 200) = 1 - P(z < -12) = 1 - 0.0001 = 0.9999

7 0
3 years ago
In a circle of diameter 30 cm a chord of 10cm is drawn. To 2 decimal places, how far is the chord from the center of the circle?
Romashka-Z-Leto [24]

<u>Given:</u>

The circle has a diameter of 30 cm and a chord of 10 cm is drawn.

Radius of the circle = 15 cm

Half of the chord = 5 cm

We need to determine the distance of chord from the center of the circle.

<u>Distance of chord from the center of the circle:</u>

Let us use the Pythagorean theorem, to find the distance between the center and the chord.

Let d denote the distance between the center and the chord of the circle.

Thus, we get;

15^2=d^2+5^2

225=d^2+25

200=d^2

Taking square root on both sides, we get;

14.14=d

Thus, the distance between the center and the chord of the circle is 14.14 cm.

Hence, Option A is the correct answer.

4 0
3 years ago
Janelle ls saving to buy a guitar that
erik [133]

Answer:

Janelle should save $13.60 per week

because (350 - 105.20) + 18 13.6

Step-by-step explanation:

105.20-350.00=244.8

244.8/18=13.6

6 0
3 years ago
X/2 = 7<br> A) x = 5 <br> B) x = 7 <br> C) x = 9 <br> D) x = 14
Lera25 [3.4K]

Answer: its x=14

Step-by-step explanation:

5 0
3 years ago
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keith has 500 dollors in a savings account at the beginning of the summer He wants to have at least 200 dollars in the account b
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4 weeks of 25 dollars is 100
he can spend 300
he can spend for 12 weeks and have 200 dollars left over
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2 years ago
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