One seventh of an unknown value

Answers

Answer 1

Answer: one seventh of x = (1/7)x
where x is the unknown value

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What is the length of the unknown side of the right triangle?

Answers

Answer:

Hypotenuse

Step-by-step explanation:

Answer:

L= the sum of the square root of the square of the opposite side and the square of the base the triangle.

Step-by-step explanation:

Using Pythagorean Theorem :

the square of the hypotenuse= the square of the opposite side + the square of the base.

Please help my math question. I'll be giving brainly.DO NOT, PUT RANDOM ANSWERS, YOU HAVE BEEN WARNED.

Answers

Answer:

Step-by-step explanation:

angle a = angle s

amr and msr are similar triangles

Answer:

Simple question!

Step-by-step explanation:

I'm never challenged in school, could you send me your hw each day?

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Also, what grade are you?

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You can use both the t statistic and the z statistic to test hypotheses about the mean of population. The test that uses the t statistic is typically referred to as a t test, while the test that uses z statistic is commonly called a z test. Which of the following statements are true of the t statistic? Check all that apply. The t statistic uses the same formula as the z statistic except that the t statistic uses the estimated standard error in the denominator. The t statistic provides an excellent estimate of z, particularly with small sample sizes. The formula for the t statistic is t = (M – μ) / σM. The t statistic does not require any knowledge of the population standard deviation.

Answers

Using the concepts of the t-statistic and the z-statistic, it is found that the correct option is:

The t-statistic does not require any knowledge of the population standard deviation.

The z-statistic is given by:

$z = (X - \mu)/((\sigma)/(√(n)))$

In which:

X is the sample mean.
$\mu$ is the population mean.
$\sigma$ is the population standard deviation.
n is the sample size.

The standard error is $S_e = (\sigma)/(√(n))$ .

The t-statistic is similar to the z-statistic, the difference is that the sample standard deviation is used, not the population. Thus:

$t = (X - \mu)/((s)/(√(n)))$

In which:

X is the sample mean.
$\mu$ is the population mean.
$s$ is the sample standard deviation.
n is the sample size.
The standard error is $S_e = (s)/(√(n))$ .

For large sample sizes, the sample and population standard deviations are close, thus t is a good estimate of z.

Thus, the correct option is:

The t-statistic does not require any knowledge of the population standard deviation.

A similar problem is given at brainly.com/question/16194574

Answer:

Detailed elaborated answer is given below:

If a line crosses the y-axis at (0,1) and has a slope of 4/5 what is the equation of the line

Answers

Answer:4y-5x=5

Step-by-step explanation:

Answer:

y = 4/5x + 1

Step-by-step explanation:

y = mx + b

m = slope

b = y-intercept

y = 4/5x + 1

(3x^2+2x-1)-(x^2-3x+4)

Answers

To evaluate the expression we shall have:
(3x^2+2x-1)-(x^2-3x+4)
putting like terms together we get:
(3x^2-x^2)+(2x+3x)+(-1-4)
=2x^2+5x-5
Answer: 2x^2+5x-5

Help me wit this...ion even know what these r

Answers

Answer:

Curl up test

Muscular endurance is the ability of a muscle or group of muscles to sustain repeated contractions against a resistance for an extended period of time. It is one of the components of muscular fitness, along with muscular strength and power.

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