help help help help with this please​

Answer:

a couple different obes

Step-by-step explanation:

there are five

Step-by-step explanation:

59 / 7 - ( x + 30 / 7 - 22 / 7 ) = 19 / 7

59 / 7 - ( x + 8 / 7 ) = 19 / 7

59 / 7 - x - 8 / 7 = 19 / 7

- x = 19 / 7 - 59 / 7 + 8 / 7

- x = - 32 / 7

x = 32 / 7

Answer:

1. 2/3 or 66.7%

2. 3/5 or 60%

3. 6

4. 1/6 or 16.7%

5. 2/5 or 40%

Step-by-step explanation:

Answer:

70

Step-by-step explanation:

all angles in a triangle add up to 180

if two sides are equal their angles are equal

180-40

140÷2

70

The correct initial condition for this problem is A(O) = 5000.The differential equation governing the remaining balance R(t) after t years can be derived as follows:A'(t) = k - 0.1R(t),

where k is the constant monthly payment rate of the student.According to the given information, the interest is compounded continuously, which means we can apply the continuous compound interest formula to solve for R(t):R(t) = 5000 e^{0.1t}

The initial condition for this problem is that the student borrowed $5000,

so we have R(0) = 5000.We want to determine the payment rate k that is required to pay off the loan in 5 years, so we need to solve for k such that R(5) = 0:R(5) = 5000 e^{0.5} - k*12*5 = 0

Solving for k, we get:k = 5000 e^{0.5}/60 = 28.09

Therefore, the payment rate k that is required to pay off the loan in 5 years is $28.09 per month. The correct initial condition for this problem is A(O) = 5000.

To know more about linear function visit:

https://brainly.com/question/29205018

#SPJ11

For the first sample {2.038 2.054 2.053 2.055 2.059 2.059 2.009 2.042 2.053 2.047}, the process is still "in order," while for the second sample {2.022 1.997 2.044 2.044 2.032 2.045 2.045 2.047 2.030 2.044}, the process might be "out of order."

To determine whether the process is still "in order" or "out of order," we can compare the current sample of output to the known mean and standard deviation of the process.

For the first sample {2.038 2.054 2.053 2.055 2.059 2.059 2.009 2.042 2.053 2.047}:

Calculate the sample mean by summing up all the values in the sample and dividing by the number of values (n = 10):

Sample mean = (2.038 + 2.054 + 2.053 + 2.055 + 2.059 + 2.059 + 2.009 + 2.042 + 2.053 + 2.047) / 10 = 2.048.

Compare the sample mean to the known process mean (2.050):

The sample mean (2.048) is very close to the process mean (2.050), indicating that the process is still "in order."

Calculate the sample standard deviation using the formula:

Sample standard deviation = sqrt(sum((x - mean)^2) / (n - 1))

Using the formula with the sample values, we find the sample standard deviation to be approximately 0.019 liters.

Compare the sample standard deviation to the known process standard deviation (0.020):

The sample standard deviation (0.019) is very close to the process standard deviation (0.020), further supporting that the process is still "in order."

For the second sample {2.022 1.997 2.044 2.044 2.032 2.045 2.045 2.047 2.030 2.044}:

Calculate the sample mean:

Sample mean = (2.022 + 1.997 + 2.044 + 2.044 + 2.032 + 2.045 + 2.045 + 2.047 + 2.030 + 2.044) / 10 ≈ 2.034

Compare the sample mean to the process mean (2.050):

The sample mean (2.034) is noticeably different from the process mean (2.050), indicating that the process might be "out of order."

Calculate the sample standard deviation:

The sample standard deviation is approximately 0.019 liters.

Compare the sample standard deviation to the process standard deviation (0.020):

The sample standard deviation (0.019) is similar to the process standard deviation (0.020), suggesting that the process is still "in order" in terms of variation.

In summary, for the first sample, the process is still "in order" as both the sample mean and sample standard deviation are close to the known process values.

However, for the second sample, the difference in the sample mean suggests that the process might be "out of order," even though the sample standard deviation remains within an acceptable range.

For similar question on standard deviation.

https://brainly.com/question/12402189  

#SPJ8

Answer:

Explanation:

The diagram representing the two towers is given below:

The test statistic for the population mean has a t-distribution with 9 degrees of freedom. Correct option is D.

The test statistic for the population mean in this scenario is a t-distribution with 9 degrees of freedom (option D).

To determine the test statistic, we need to use the formula:

t = (x' - μ) / (s / √n)

where x' is the sample mean, μ is the hypothesized population mean, s is the sample standard deviation, and n is the sample size.

In this case, the hypothesized population mean is 2.5 grams, the sample mean is 2.47 grams, the sample standard deviation is 0.04 gram, and the sample size is 10.

Plugging these values into the formula, we get:

t = (2.47 - 2.5) / (0.04 / √10) ≈ -1.58

Since the sample size is less than 30, we use a t-distribution instead of a standard normal distribution. The degrees of freedom for the t-distribution is equal to n - 1, which in this case is 10 - 1 = 9.

We can use this distribution to calculate the p-value and make inferences about the population mean based on the sample data. Therefore, the correct option is D.

To learn more about distribution click on,

https://brainly.com/question/22958154

#SPJ4

The coefficient of determination, denoted as r^2, measures the proportion of the total variation in the dependent variable (y) that is explained by the independent variable(s) in a linear regression model. To compute r^2, we need the values for the total sum of squares (SST) and the error sum of squares (SSE). In this case, SST is given as 181.2 and SSE as 33.9.

The formula to calculate the coefficient of determination,\(r^2\), is given by r^2 = 1 - (SSE / SST). By substituting the provided values into the formula, we can compute r^2.

\(r^2 = 1 - (33.9 / 181.2)\)

\(r^2 = 1 - 0.1868\)

\(r^2 ≈ 0.8132\)

Therefore, the coefficient of determination,\(r^2\), is approximately 0.8132. This indicates that approximately 81.32% of the total variation in the dependent variable is explained by the independent variable(s) in the least-squares regression line. The remaining 18.68% represents the unexplained variation or the variability attributed to random error. A higher value of\(r^2\) suggests a stronger relationship between the variables, while a lower value indicates a weaker relationship.

Learn more about coefficient here:

https://brainly.com/question/13431100

#SPJ11

Answer:

127

Step-by-step explanation:

x=127

corresponding angles

The x-intercept of the given linear function is 0 and the graph of the linear ufnction is shown.

So, plot the linear function:

(Refer to the graph attached below)

Therefore, the x-intercept of the given linear function is 0 and the graph of the linear ufnction is shown.

Know more about the x-intercept here:

https://brainly.com/question/17932786

#SPJ1

Answer:

x = 8 base angle = 81 degrees

Step-by-step explanation:

Answer:

x = 8

base angle = 81 deg

Step-by-step explanation:

we observe that because the given triangle is a isosceles triangle, the base angles must be the same.

Hence the missing base angle must also be (10x+1)°

recall that all internal angles of an triangle must add up to 180 deg,

hence

180° = sum of all internal angles

180° = 18° + (10x+1)° + (10x+1)°

180° = 18° + 2(10x+1)°    (subtracting 18 from both sides)

180 - 18 = 2(10x+1)

162 = 2(10x+1)   dividing both sides by 2)

162 / 2 = 10x + 1

81 = 10x + 1    (subtracting 1 from both sides)

81 - 1 = 10x

10x = 80   (divide both sides by 10)

x = 80/10

x = 8   (answer)

substituting x = 8 into the expression for the base angle

base angle = (10x+1)

= 10(8) + 1

= 10 + 1

= 81

Answer:

(1,1)

Step-by-step explanation:

With the midpoint formula, we're basically finding the average of the two variables, x and y.

Formula: \((\frac{x_{1} + {x_2} }{2}, \frac{_{1} + {y_2} }{2} )\)

\((\frac{{-1} + {3}}{2} , \frac{{-2} + {4}}{2} )\)

\((\frac{2}{2}, \frac{2}{2})\)

(1,1)

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30 = 465

On the z-table with a 90% confidence interval, the value 1.645 is called the critical value. The critical value is used to determine the boundary values for the confidence interval.  Correct option is A.

In a confidence interval, we use sample data to estimate the true population parameter with a certain degree of certainty or confidence. The critical value is determined based on the desired confidence level and the degrees of freedom (sample size - 1) of the distribution.

For example, if we want a 90% confidence interval, we use the z-table to find the critical value that corresponds to a probability of 0.05 in the tail of the distribution. The critical value represents the number of standard errors that correspond to the probability in the tail of the distribution.

Once we have determined the critical value, we can use it to find the margin of error for the confidence interval, which represents the range of values within which the true population parameter is likely to lie. The margin of error is calculated by multiplying the critical value by the standard error of the sample statistic.

To learn more about confidence interval click on,

https://brainly.com/question/16393479

#SPJ4

Complete question is:

On the z table with a 90% confidence interval, what is 1.645 called? group of answer choices

a. critical value

b. confidence interval

c. margin of error point

d. estimate

Answer:

y divided by 6 1/4 = 11 3/4

Step-by-step explanation:

First, change the mixed numbers into improper fractions:

y divided by 25/4 = 47/4

Next, multiply both sides by 25/4:

y divided by 25/4 x 25/4 = 47/4 x 25/4

The 25/4's on the left side of the equation cancel each other out, leaving you with:

y = 47/4 x 25/4

Multiply 47 x 25 and keep the same denominator:

y = 1,175/4

Divide and:

y = 293 3/4

Answer:

z = 4

Step-by-step explanation:

2.5x = 10

divide by 2.5

z = 4

Hope this helped! Have a nice day! Plz mark as brainliest!!!

-XxDeathshotxX

In this case the answer is very simple .

Step 01:

Data

equation of the given line: 5y = -3x -10

y = -3/5x - 2

m = -3/5

given point: (3,-6) x1 = 3 y1 = -6

Step 02:

Slope of the perpendicular line, m’

m' = (-1) / m

Point-slope form of the line

(y - y1) = m (x - X1)

The answer is:

The equation of the perpendicular line is:

y = (5/3) x - (23/3)

According to the strict necessity test, Conclusions of inductive arguments do not follow by strict logical necessity from their premises. The correct option is a).

It means that even if the premises of an inductive argument are true, the conclusion can still be false, and the truth of the premises does not guarantee the truth of the conclusion.

Inductive reasoning involves making generalizations based on specific observations or evidence, but it does not provide conclusive proof like deductive reasoning. Therefore, the conclusions of inductive arguments are not necessarily true, even if the premises are true. So, The correct answer is a).

To know more about inductive arguments:

https://brainly.com/question/28348187

#SPJ4

Answer:

4x-2

Step-by-step explanation:

X=muffins

Answer:

62 degrees

Step-by-step explanation:

Since we know 3 sides of the triangle, we can use law of cosines.

\( {gk}^{2} = {gh}^{2} + {kh}^{2} - 2(gh)(kh) \times \cos(h) \)

\( {8}^{2} = {17}^{2} + {15}^{2} - 2(17(15) \times \cos(h) \)

\(64 = 289 + 225 - 510 \times \cos(h) \)

\(64 = 314 - 510 \times \cos(h) \)

\( - 250 = - 510 \times \cos(h) \)

\( \frac{250}{510} = \cos(h) \)

\( \frac{25}{53} = \cos(h) \)

Take the arcos or cosine inverse

\( \cos {}^{ - 1} = \frac{25}{53} \)

Which is about 62 degrees.

Answer:

Question 1: A - 5,400sqft

Question 2: 11 bags of fertilizer

Step-by-step explanation:

Question 1: You need the areas of the white squares added together and then subtracted from the total area of the park.

Question 2: To find the number of bags needed to fertilize the grass we simply divide the area one bag can fertilize by the shaded area. We could use a basic equation such as:

In this equation x represents the number of bags needed to fertilize the shaded area. The answer is 10.8, but logically speaking you cannot buy .8 of a bag so you just round up to 11.

Answer:

Step-by-step explanation:

The first statement is the given statement, so the reason should be "given"

The reason on the second statement is reflexive, this means something is congruent to itself. So in the diagram, please see that angle C is in both triangles. It may be written as angle C or angle ACB or angle DCE is congruent to itself.

The reason the two triangles are similar is because they have two pairs of congruent angles (the first and second lines in the proof) This reason is AA which stands for angle-angle.

Answer:

1. a  2. c

Step-by-step explanation:

Answer:

A=87.5

Step-by-step explanation:

Hope im right and this helps you

Margin of error for 99% confidence interval is 0.0021

What is confidence interval?

he range of values that, should you repeat your experiment or resample the population in the same manner, you would anticipate your estimate to fall within a particular percentage of the time.

Main Body:

Given :

99% Confidence Interval for p

p = 0.24,n = 276000

Significance level = α = 1− confidence = 1 − 0.99 = 0.01

Critical z-value = zα/2 = z0.01/2 = z0.005 = 2.58 (closest value From z table)

Standard e

or of p : SE =

√p× (1 − p)n=√0.24 × 0.76276000

≈ 0.0008129

E = zα/2 ×√p× (1 − p)n

= 2.58 × 0.0008129 ≈ 0.002097

Hence ,Margin of Error or, E = 0.00210

To know more about confidence interval click on the link below

https://brainly.com/question/17097944

#SPJ4

Answer:

I think it's 35, because if there's 25 dark and you divide 25 by 5 you get 5, so 1/12 is equal to 5

23° sería te sirve dime qué si ☜ (↼_↼)

The length of the longest side is 27 units, in the isosceles trapezoid.

What is isosceles trapezoid?

A four-sided shape called a trapezoid has two parallel lines on each side (normally the top and bottom sides). A trapezoid that has equal-length non-parallel sides (the legs) is said to be isosceles. Considering everything mentioned before, we may start learning how to calculate an isosceles trapezoid's perimeter.

Given, the congruent nonparallel sides has length 13.

he height of the trapezoid is 12.

the extra length of the larger side will be 2*x, as it will be extra portion in both side.

So x² = 13²-12²

x² = 169-144 = 25

x = √25 = 5

So the lentgh of the larger side is 10 unit larger than smaller side.

The perimer of the isosceles trapezoid will be P = sum of all sides

P = 2*13 + L + L+10

⇒70 = 26+10 +2L

⇒2L = 70 - 36

⇒2L = 34

⇒L = 17

The length of the larger side will be 17+10 = 27 units.

Hence the length of the longest side is 27 units.

Learn more about isosceles trapezoid, by the following link.

https://brainly.com/question/27019271

#SPJ1