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Yakvenalex [24]
3 years ago
15

????? HELP PLEASEEE!!

Mathematics
1 answer:
lys-0071 [83]3 years ago
5 0
What is the question?
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A rectangle is 9ft long and 40 in wide what is its area in square feet?
Irina-Kira [14]
The answer is 360 sqft

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3 years ago
Help please which expression could NOT be used to find the quotiend of 1,377 and 9
topjm [15]

Answer:

C

Step-by-step explanation:


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3 years ago
A die is tossed. find the odds against rolling a number greater than 1
masya89 [10]

Answer:

5/6

Step-by-step explanation:

cuz there's 6 sides and there are 5 more sides than the 1

6 0
2 years ago
Read 2 more answers
The income distribution in a county is a normal distribution with a mean income of $10,000. The top 2.5% of the wage earners ear
earnstyle [38]

Answer:

<em>84%</em><em> of the wage earners earn less than $14,000 each. </em>

Step-by-step explanation:

The Empirical Rule (68-95-99.7%)-

According to this around 95% of the data will fall within two standard deviations of the mean.

As the bell curve is symmetrical, so the remaining 5% will be divided into 2 equal parts. So 2.5% will be above 2 standard deviation and 2.5% will be below 2 standard deviation.

As it is given that, the top 2.5% of the wage earners earn $18,000 or more, so 18,000 is 2 standard deviation away from the mean 10,000.

i.e 2\sigma=18000-10000=8000

\Rightarrow \sigma = 4000

We know that,

Z=\dfrac{X-\mu}{\sigma}

where,

X = raw score = 14,000

μ = 10,000

σ = 4,000

Putting the values,

Z=\dfrac{14000-10000}{4000}=\dfrac{4000}{4000}=1

Now, calculating the value from the z score table,

P(1)=0.8413=84.13\%

As the probability at z=1 is the area below that, so 84% of the wage earners earn less than $14,000 each.

6 0
4 years ago
N Solve for x. Solve for x ​
jolli1 [7]

The sum of the angles of the triangle is 180 degrees, so:

(x + 70) + 76 + 41 = 180

(x + 70) + 117 = 180

x + 70 = 63

x = -7

Hope that helps!

7 0
2 years ago
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