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worty [1.4K]
3 years ago
9

Simplify 7j-6k-5j+4k which explanation please:)

Mathematics
2 answers:
Andru [333]3 years ago
6 0
The answer for 7j-6k-5j+4K is 2j-2k
Phantasy [73]3 years ago
4 0
Step 1. <span>Gather like terms

</span>(7j-5j)+(-6k+4k)
<span>
Step 2. </span><span>Simplify

</span>2j-2k
<span>
Done! Hope this helps :)</span>
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Answer: 1

Step-by-step explanation: the lowest number they divide into evenly is 1

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2 years ago
Please help me I'll give you the crown if its right
Nadya [2.5K]

Step-by-step explanation:

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180⁰-125⁰=55⁰

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2 years ago
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a stock broker has kept a daily record of the value of a particular stock over the years and finds that the prices of the stock
Rainbow [258]

Answer:

The stock price beyond which 0.05 of the distribution fall is $12.44.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be 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.

Mean of $8.52 with a standard deviation of $2.38

This means that \mu = 8.52, \sigma = 2.38

The stock price beyond which 0.05 of the distribution fall is

This is the 100 - 5 = 95th percentile, which is X when Z has a pvalue of 0.95. So X when Z = 1.645.

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

1.645 = \frac{X - 8.52}{2.38}

X - 8.52 = 1.645*2.38

X = 12.44

The stock price beyond which 0.05 of the distribution fall is $12.44.

5 0
3 years ago
Solve each problem. Explain or show your reasoning.<br> a. What is 25% of 160?
stiks02 [169]

Answer:

40

Step-by-step explanation:

Hi there,

Before solving this problem, it is useful to know that 25% is equivalent to 1/4 or 0.25. There are two ways to solve this problem:

1.) Multiply 0.25 by 160

or

2.) Divide 160 by 4.

Either way, the answer is still 40. Hope this answer was useful. Cheers.

3 0
3 years ago
Unyu Jening Concepts
disa [49]
I think the answer would be 41.28
6 0
3 years ago
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