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aleksklad [387]
3 years ago
14

Solve the inequality for w. -9<−2w+3

Mathematics
1 answer:
lord [1]3 years ago
6 0

Answer:

The answer is w<6

Step-by-step explanation:

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A marine sales dealer Önds that the average price of a previously owned boat is $6492. He decides to sell boats that will appeal
Anuta_ua [19.1K]

Answer:

The maximum price that the dealer will sell is $7471 and the minimum is $5513.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 6492, \sigma = 1025

Middle 66%

50 - (66/2)  = 17th percentile

50 + (66/2) = 83rd percentile

17th percentile

X when Z has a pvalue of 0.17. So X when Z = -0.955.

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

-0.955 = \frac{X - 6492}{1025}

X - 6492 = -0.955*1025

X = 5513

83rd percentile

X when Z has a pvalue of 0.83. So X when Z = 0.955.

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

0.955 = \frac{X - 6492}{1025}

X - 6492 = 0.955*1025

X = 7471

The maximum price that the dealer will sell is $7471 and the minimum is $5513.

4 0
3 years ago
Mr. Chavez needs 7 lbs of gummy bears to make gummy bears with chamoy
Svetradugi [14.3K]

Answer:

3 lbs

Step-by-step explanation:

7 lbs total

2 + 2 = 4 so we already have 4lbs

7 - 4 = 3

we need 3 more lbs

8 0
2 years ago
What is the solution to the equation Negative 3 (h + 5) + 2 = 4 (h + 6) minus 9?
ANTONII [103]

Answer:

h=-4

Step-by-step explanation:

Use the Distributive law:

1. -3(h+5) gives us -3h-15 then you add your two(2).

the whole of your left side of the equation will give you -3h-13

2. 4(h+6) gives us 4h+24 then you subtract nine(9).

the whole of the right side of the equation will give you 4h+15

3. equate the two like this:

-3h-13=4h+15

4. group like terms of each side:

-13-15=4h+3h

5. Add and Subt<u>r</u>act

-28=7h

6. Decide both sides by 7 to make h the subject of the formula

7. Congratulations you got your answer as h=-4

5 0
2 years ago
Please help i'm not doing good in math i will give you the crown
sp2606 [1]

Answer:

B

Step-by-step explanation:

The format for quadrant 2 would be (-,+) and answer choice be fits that because it is(-3,2)

6 0
3 years ago
19 square root of 3 + square root of 12
Talja [164]

Answer:

5.2

Step-by-step explanation:

I think

3 0
3 years ago
Read 2 more answers
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