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Andrews [41]
3 years ago
8

What is the value of c?

Mathematics
1 answer:
PIT_PIT [208]3 years ago
8 0

Answer:

c =38

Step-by-step explanation:

<71 has an arc of 2 * 71 =142

The arc 104+ c

142 = 104+c

142-104 =c

c =38

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Find the left critical value for 95% confidence interval for σ with n = 41. 26.509 24.433 55.758 59.342
Makovka662 [10]

Answer: 59.342

Step-by-step explanation:

The chi-square critical values are used to find the confidence interval for σ.

Left critical value = \chi^2_{\alpha/2, n-1} [i.e. chi-square value from chi-square table corresponding to degree of freedom n-1 and significance level of \alpha/2]

To find : left critical value for 95% confidence interval for σ with n = 41.

Significance level : \alpha=1-0.95=0.05

degree of freedom = 41-1=40

Now, the  left critical value for 95% confidence interval for σ with n = 41 is the chi-square value corresponding  to degree of freedom n-1 and \alpha/2=0.025

=59.342  [from chi-square table ]

7 0
3 years ago
Which equation has x = 4 as the solution?
Sindrei [870]
16=4 because in order to get 4 you need have to divide 16 into 4
5 0
3 years ago
Read 2 more answers
Try the numbers 22, 23, 24, 25 in the equation 4/3 = 32/d to test whether any of them is a solution. a. 23 is a solution. c. 24
S_A_V [24]

Answer:

c. 24 is a solution

Step-by-step explanation:

Given equation:

\frac{4}{3}=\frac{32}{d}

To test the numbers 22, 23, 24, 25 for the solution.

Solution:

In order to test the given number for the solution, we will plugin each number in the unknown variable d and see if it satisfies the equation.

1) d=22

\frac{4}{3}=\frac{32}{22}

Reducing fraction to simplest form by dividing the numerator and denominator by their G.C.F.

\frac{4}{3}=\frac{32\div 2}{22\div 2}

\frac{4}{3}=\frac{16}{11}

The above statement can never be true and hence 22 is not a solution.

2) d=23

\frac{4}{3}=\frac{32}{23}

The fractions can no further be reduced.

The statement can never be true and hence 23 is not a solution.

3) d=24

\frac{4}{3}=\frac{32}{24}

Reducing fraction to simplest form by dividing the numerator and denominator by their G.C.F.

\frac{4}{3}=\frac{32\div 8}{24\div 8}

\frac{4}{3}=\frac{4}{3}

The above statement is always true and hence 24 is a solution.

4) d=25

\frac{4}{3}=\frac{32}{25}

The fractions can no further be reduced.

The statement can never be true and hence 25 is not a solution.

4 0
3 years ago
Determine the x- and y-intercepts of the graph ofx−4y=8Then plot the intercepts to graph the equation.
Over [174]

The x-intercept is the point where the graph cuts the x-axis, and the y-intercept is the point where the graph cuts the y-axis.

The x-axis is the line y = 0 and the y-axis is the line x = 0. To find the intercept between each axis and our graph, we just need to evaluate our function at x = 0 and y = 0.

Calculating the x-intercept, we have

\begin{gathered} x-4\cdot0=8 \\ x=8 \end{gathered}

The x-intercept is (8, 0).

Calculating the y-intercept, we have

\begin{gathered} 0-4y=8 \\ y=-\frac{8}{4} \\ y=-2 \end{gathered}

The y-intercept is (0, -2).

8 0
1 year ago
Samira needs 22 quarts of lemonade to fill a dispenser. She plans to buy 7 jugs of lemonade. Each jug contains 3.3 quarts. Is th
GarryVolchara [31]

Answer:

i just took the test the answer is yes i did not know that

Step-by-step explanation:

it is responsible

<h2>rip  </h2><h3>plz make brainlyest</h3><h3 />
7 0
3 years ago
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