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Vlad1618 [11]
3 years ago
14

Plz help me on this due soon

Mathematics
1 answer:
fgiga [73]3 years ago
5 0

Answer:

add 4.3x to both sides of the equation

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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Anthony has 115 books in his room he is storing them in boxes each box holds 17 books how many boxes does Anthony mean​
Vadim26 [7]

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7

Step-by-step explanation:

115/17=6.7..... Round up to 7.

7 boxes should be the answer

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3 years ago
What is 5/4 as a decimal
Crank
5/4 as a decimal is 1.25 Hope this helped! :)
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4 years ago
1. The national mean (μ) IQ score from an IQ test is 100 with a standard deviation (s) of 15. The dean of a college wants to kno
Nat2105 [25]

Answer:

We conclude that the mean IQ of her students is different from the national average.

Step-by-step explanation:

We are given that the national mean (μ) IQ score from an IQ test is 100 with a standard deviation (s) of 15.

The dean of a college want to test whether the mean IQ of her students is different from the national average. For this, she administers IQ tests to her 144 students and calculates a mean score of 113

Let, Null Hypothesis, H_0 : \mu = 100 {means that the mean IQ of her students is same as of national average}

Alternate Hypothesis, H_1 : \mu\neq 100  {means that the mean IQ of her students is different from the national average}

(a) The test statistics that will be used here is One sample z-test statistics;

               T.S. = \frac{Xbar-\mu}{\frac{s}{\sqrt{n} } } ~ N(0,1)

where, Xbar = sample mean score = 113

              s = population standard deviation = 15

             n = sample of students = 144

So, test statistics = \frac{113-100}{\frac{15}{\sqrt{144} } }

                             = 10.4

Now, at 0.05 significance level, the z table gives critical value of 1.96. Since our test statistics is more than the critical value of z which means our test statistics will fall in the rejection region and we have sufficient evidence to reject our null hypothesis.

Therefore, we conclude that the mean IQ of her students is different from the national average.

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4 years ago
Simply Find the derivative. I would do it, but I don't want to. lol
kap26 [50]

Answer:

23, 22, 4, 3, -60

Step-by-step explanation:

f(x)=(x⁴ - 6x¹⁰)²³

f'(x)= 23(x⁴ - 6x¹⁰)²²(4x³ - 60x⁹)

8 0
3 years ago
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