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3 years ago

Please I’m in class today!!!!!

Mathematics

1 answer:

Ilya [14]3 years ago

8 0

Answer:

Step-by-step explanation:

63 x 4/5 = 50.4, you cant a have a .4 bike so it rounds to 51

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To Enter the value of n that makes the equation: 4^5.4^n=4^8 true

irina1246 [14]

$4^2\text{ }\times4^n=4^8$

Since both sides have the same base (4), we can add the exponents

$4^{5+n}=4^8$ $5+n=8$

subtract 5 from both sides:

$5+n-5=8-5$ $n=3$

6 0

1 year ago

Hey, I was wondering, what is 3(6m)+m??? Who can help me???

N76 [4]

<span>What is 3(6m) + m?

3(6m) + m =
m becomes 1m
9m + 1m =
10m

3(6m) + m is 10m when combining like terms. </span>

6 0

2 years ago

Three coins are in a bag. the first coin flips heads with probability 50%, the second coin flips heads with probability 60%, and

babymother [125]

It is going in order so my guess is 80%

4 0

3 years ago

On the last day of a Shakespeare class, an English teacher asked her students which play they liked most. Out of the 18 students

Vika [28.1K]

Answer:

1/3

Step-by-step explanation:

There were 18 students and six liked Much Ado About Nothing. So, you could write this as 6/18 which simplifies to 1/3.

7 0

3 years ago

A random sample of 87 eighth grade students’ scores on a national mathematics assessment

Finger [1]

There is not enough evidence to support the administrator’s claim and the true mean is not significantly greater than 280.

<h3>What is a statistical hypothesis?</h3>

A hypothesis to test the given parameters requires that we determine if the mean score of the eighth graders is more than 283, thus:

The null hypothesis:

$\mathbf{H_o \leq 283}$

The alternative hypothesis:

$\mathbf{H_i > 283}$

From the population deviation, the Z test for the true mean can be computed as:

$\mathbf{Z = \dfrac{\hat X - \mu _o}{\dfrac{\sigma}{\sqrt{n}}}}$

$\mathbf{Z = \dfrac{283 -280}{\dfrac{37}{\sqrt{87}}}}$

Z = 0.756

Note that, since we are carrying out a right-tailed test, the p-value for the test statistics is expressed as follows:

P(z > 0.756)

P = 0.225

Since the P-value is greater than the significance level at α = 0.14, we can conclude that there is not enough evidence to support the administrator’s claim and the true mean is not significantly greater than 280.

Learn more about hypothesis testing here:
brainly.com/question/16251072

#SPJ1

8 0

1 year ago