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Svetradugi [14.3K]
3 years ago
7

Help plz due today and don't worry abt my answers

Mathematics
1 answer:
Elanso [62]3 years ago
8 0
This is for the one with the green background :) I corrected a few of the errors that collided with the answers for the 3 qns you didn’t know. Hope this helps!!!

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In two or more complete sentences write and solve an inequality for the situation and explain how you will solve the inequality.
Otrada [13]

Answer:

you will solve the word problem by subtracting how much she spent to how much she owes. Then you get 250-112.49 = $137.51

Step-by-step explanation:

please mark me brainlyest.

8 0
3 years ago
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A livestock company reports that the mean weight of a group of young steers is 1143 pounds with a standard deviation of 88 pound
malfutka [58]

Answer:

<em>a) P(x<1200)=74.14%</em>

<em>b) P(1100<X<1250)=57.54%</em>

Step-by-step explanation:

<u>Normal Distribution</u>

The normal distribution, also known as the bell curve, is a distribution that occurs naturally in many situations of life. We use the model N(\mu,\sigma) to understand the behavior of some real-life variables. Where \mu is the mean value and \sigma is the standard deviation.

In our case, we have

\mu=1143,\ \sigma=88

And are required to find the percentage of steers whose weigh lie within a given range. We must use some sort of table or digital means to compute the values because the normal distribution cannot be calculated directly by a formula. We use the NORMDIST (or NORM.DIST) formula for Excel which gives us the left tail of the area behind the bell curve, i.e. the cumulative percentage for a give value of X. The formula has the form

NORM.DIST(x,mean,standard_dev,cumulative)

a) X<1200

The formula is used with the following parameters

NORM.DIST(1200,1143,88,true)

and we get

P(X

b) We need to compute P(1100<X<1250). To do this, we calculate both left tails and the subtract them

NORM.DIST(1100,1143,88,true)=0.3125

NORM.DIST(1250,1143,88,true)=0.8880

P(1100

\boxed{P(1100

6 0
3 years ago
What is 56/17 as mixed fraction
Romashka [77]

Answer:

3 5/17

17 goes into 56 three times with 5 remainder

6 0
3 years ago
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A triangle with three angles of the same measure would be best classifie as
galina1969 [7]
A. Equilateral because it says” same measure”
8 0
3 years ago
in mathematics competition,the winner won $100 more than twice the amount won by the runner-up. how much money did the runner-up
11111nata11111 [884]

Answer:

1,175

I only halfed it.

Hope it's right.

3 0
3 years ago
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