What is 1+1 I'll mark you brainliest​

Angle 1 and angle 3 are vertically opposite angles. And both angles are congruent with each other.

The angle is the distance between the intersecting lines or surfaces. The angle is also expressed in degrees. The angle is 360 degrees for one complete spin.

Supplementary angle - Two angles are said to be supplementary angles if their sum is 180 degrees.

Line L and line M intersect each other.

Angle 1 and angle 2 are supplementary angles.

∠1 + ∠2 = 180°         ...1

Angle 2 and angle 3 are supplementary angles.

∠2 + ∠3 = 180°        ...2

From equations 1 and 2, then we have

∠1 + ∠2 = ∠2 + ∠3

∠1 = ∠3

The vertically opposite angles are angle 1 and angle 3. Furthermore, the two angles line up perfectly.

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The mean of all the sample means obtained from all random samples of a certain sample size in a sampling distribution is an example of a biased statistic is False.

The mean of all the sample means obtained from all random samples of a certain sample size in a sampling distribution is an example of an unbiased statistic. This is because the sampling distribution of the mean is centered at the true population mean, and the mean of all sample means provides an estimate of that true population mean without any systematic over- or under-estimation.

However, individual sample means can be biased if there are any issues with the sampling process or if the sample is not representative of the population.

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There is not enough information provided to determine if there is sufficient evidence at the 0.02 level to refute the publisher's claim. The null hypothesis is that proportion of readers owning a Rolls Royce is equal to 0.78 and alternative hypothesis is that proportion of readers owning a Rolls Royce is not equal to 0.78.

To determine if there is sufficient evidence at the 0.02 level to refute the newsletter publisher's claim that 78% of their readers own a Rolls Royce, we need to conduct a hypothesis test. Here are the null and alternative hypotheses for this scenario:

Null Hypothesis (H0): The proportion of readers who own a Rolls Royce is equal to 0.78 (P = 0.78)

Alternative Hypothesis (H1): The proportion of readers who own a Rolls Royce is not equal to 0.78 (P ≠ 0.78)

To test these hypotheses, follow these steps:

1. Collect a random sample of readers and record the number of Rolls Royce owners in the sample.

2. Calculate the sample proportion (p-hat) of Rolls Royce owners.

3. Calculate the test statistic using the formula: z = (p-hat - P) / sqrt(P * (1-P) / n), where P is the claimed proportion (0.78) and n is the sample size.

4. Determine the critical value for a two-tailed test at the 0.02 significance level (α = 0.02), which is approximately ±2.576 (from a z-table or calculator).

5. Compare the test statistic (z) to the critical value. If the test statistic is greater than or equal to the critical value or less than or equal to the negative critical value, reject the null hypothesis in favor of the alternative hypothesis. If not, fail to reject the null hypothesis.

Based on the results, you can determine if there is sufficient evidence to refute the publisher's claim at the 0.02 significance level. However, just based on the given information, there is not enough information to determine if there is sufficient evidence at the 0.02 level to refute the publisher's claim. We need the sample size.

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The argument is valid. The argument is valid based on the direct truth-table method.

To test the validity of the argument, we can use the direct truth-table method. Let's break down the argument and construct the truth table for the given premises and the conclusion:

Premises:

G ⊃ H

R ≡ G

~H v G

Conclusion:

R • H

Constructing the truth table:

We have three propositions: G, H, and R. Each proposition can have two truth values, true (T) or false (F). Therefore, we need 2^3 (8) rows in the truth table to evaluate all possible combinations.

By evaluating the truth table, we find that in all rows where the premises (1, 2, 3) are true, the conclusion (R • H) is also true. There is no row where the premises are true, but the conclusion is false. Therefore, the argument is valid.

The argument is valid based on the direct truth-table method. This means that if the premises (G ⊃ H, R ≡ G, ~H v G) are true, then the conclusion (R • H) must also be true.

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seen 2 pretty best friends

ⓘ

Step-by-step explanation:

8 bc

Answer:

3^2 = 3 x 3 = 9

Answer:

\(3^{2} \times3^{2}\)

\(Answer: 81\)

------------------------

hope it helps...

have a great day!!

The experimental probability of the arrow stopping over Section 3 is 2/5.

We have,

Section 1 = 18

Section 2 = 30

Section 3 = 32

So, the Total number of spins is

= 18 + 30 + 32

= 80

Now, The experimental probability of stopping at section 3 is:

= Section 3/Spin

= 32/80

= 2/5

Hence, the experimental probability of the arrow stopping over Section 3 is 2/5.

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Answer:

f(25/29) = \(\frac{20}{29}\)

Step-by-step explanation:

In order to do this problem, we need to plug in \(\frac{25}{29}\) for x. When we plug it in we get \(f(x) = -5(\frac{25}{29}) + 5\). After this we can start by multiplying. When we multiply \(-5(\frac{25}{29} )\) we get \((\frac{-125}{29}) + 5\). Since the fraction cannot be simplified any further, we can now add 5. In order to add 5 we need to find a common denominator, which in this case will be 29. Changing the denominator to 29 gives us \((\frac{-125}{29}) + \frac{145}{29}\) because when changing the denominator we have to multiply the numerator by the same number. After adding these fractions we get our answer of \(\frac{20}{29}\).

To match decimal values with their corresponding hexadecimal values, we need to convert the decimal numbers into their hexadecimal equivalents using division and remainders.

To match each decimal value on the left with the corresponding hexadecimal value, we need to convert the decimal numbers into their hexadecimal equivalents.

Here are a few examples:

1. Decimal 10 = Hexadecimal A

To convert 10 to hexadecimal, we divide it by 16. The remainder is A, which represents 10 in hexadecimal.

2. Decimal 25 = Hexadecimal 19

To convert 25 to hexadecimal, we divide it by 16. The remainder is 9, which represents 9 in hexadecimal. The quotient is 1, which represents 1 in hexadecimal. Therefore, 25 in decimal is 19 in hexadecimal.

3. Decimal 128 = Hexadecimal 80

To convert 128 to hexadecimal, we divide it by 16. The remainder is 0, which represents 0 in hexadecimal. The quotient is 8, which represents 8 in hexadecimal. Therefore, 128 in decimal is 80 in hexadecimal.

Remember, the hexadecimal system uses base 16, so the digits range from 0 to 9, and then from A to F. When the decimal value is larger than 9, we use letters to represent the values from 10 to 15.In conclusion, to match decimal values with their corresponding hexadecimal values, we need to convert the decimal numbers into their hexadecimal equivalents using division and remainders.

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Answer:

4cm

Step-by-step explanation:

l³= 64cm³

l = ³√64 = 4cm

The slope of the line that passes through the points ( -3, -14 ) and ( 0, -9 ) is 5/3

From the question, the points are given as

( -3, -14 ) and ( 0, -9 )

Rewrite the above points properly as ordered pairs

So, we have the following ordered pairs

(-3, -14) and (0, -9)

The slope of the line is then calculated using the following slope equation

Slope = (y₂ - y₁)/(x₂ - x₁)

Where

(x, y) = (-3, -14) and (0, -9)

Substitute the known values of the ordered pairs in the equation Slope = (y₂ - y₁)/(x₂ - x₁)

So, we have the following equation

Slope = (-9 + 14)/(0 + 3)

Evaluate the sum in the above equation

So, we have the following representation

Slope = 5/3

Hence, the slope of the line is 5/3

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Possible question

Find the slope of ( -3, -14 ) and ( 0, -9 )

The coordinate of the midpoint between point ( -3, -14 ) and ( 0, -9 ) is ( -3/2, -23/2 ).

The midpoint formula is expressed as;

M = ( (x₁+x₂)/2, (y₁+y₂)/2 )

Given the data in the question

Point 1 ( -3, -14 )

Point 2 ( 0, -9 )

To determine the midpoint between the points, plug the given points into the midpoint formula above and simplify.

Midpoint = ( (x₁+x₂)/2, (y₁+y₂)/2 )

Midpoint = ( ( -3 + 0 )/2, ( -14 + (-9) )/2 )

Midpoint = ( ( -3 )/2, ( -14 - 9 )/2 )

Midpoint = ( -3/2, ( -23 )/2 )

Midpoint = ( -3/2, -23/2 )

Therefore, the coordinate of the midpoint is ( -3/2, -23/2 ).

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Answer:

the answer should / would be :

4000 8/10

Answer:

305

Step-by-step explanation:

61 x 5 = 305

The equation of a line, 7x - y = -9, converted to slope-intercept form is: y = 7x + 9

If "m" is the slope of a line and "b" is the y-intercept, the equation of the line in slope-intercept form is given as: y = mx + b.

Thus, given the equation, 7x - y = -9, rewrite/convert to slope-intercept form as follows:

7x - y = -9

-y = -7x - 9

y = 7x + 9

Therefore, the equation of a line, 7x - y = -9, converted to slope-intercept form is: y = 7x + 9

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Answer:

The y-intercept is 2 and the slope is 1/2. So the equation is y = 1/2x + 2

Step-by-step explanation:

The y-intercept is where the line starts on the y-axis. For the slope to the next point on the line you have to move 2 units to the right and 1 unit up. When writing the slope as a fraction, you always put how far you move up or down above how far you move to the right or left.

The value of 0.55 hectometers expressed in decimeters is 550 decimeters. The result is obtained by using the concept of unit ladder system.

The common length units are kilometers to milimeter. The conversion can be described in a unit ladder system as follows.

km (kilometers)

  hm (hectometers)

     dam (decameters)

        m (meters)

           dm (decimeters)

              cm (centimeters)

                  mm (millimeters)

Every time the length unit goes down, it is multiplied by ten. Every time the length unit goes up, it is divided by ten.

We have 0.55 hectometers. Express that value in decimeters!

From hectometers to decimeters, it goes down 3 times. So,

0.55 hectometers = 0.55 × 10 × 10 × 10 decimeters

0.55 hectometers = 0.55 × 1000 decimeters

0.55 hectometers = 550 decimeters

Hence, 0.55 hectometers is equal to 550 decimeters.

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Answer:

the answer is B y=6x+2

Step-by-step explanation:

Answer:

The answer is B.

Step-by-step explanation:

Hope this helps.

Answer:

Principal is $1000

Step-by-step explanation:

• From the formular of simple interest:

\(s.i = principal \times rate \times time\)

• substitute and find the principal:

\(100 = p \times \frac{2}{100} \times 5 \\ \\ 0.1p = 100 \\ \\ = { \underline{ \: \:1000 \: \: dollars \: \: }}\)

Answer:

with? i would if i could see the picture its just loading!

Step-by-step explanation:

Step-by-step explanation:

ACD=ACB

DAC=BAC

2x=3x-29

x=29°

2x= 58°

ACD= 58°

ACB= 58°

DAC= 180-90-58= 32°

BAC= 32°

The given functions are y = -x² + 7x and y = x² - 3x. We need to determine the area of the shaded region bounded by these functions. The shaded region is formed by the region where the graph of y = -x² + 7x lies above the graph of y = x² - 3x.

Therefore, the area of the shaded region can be determined by calculating the difference between the areas enclosed by the curves. The points of intersection of the given curves can be determined by equating them. Hence,-x² + 7x = x² - 3x 2x² - 10x = 0 2x(x - 5) = 0 x = 0, 5

Therefore, the curves intersect at x = 0 and x = 5. We can calculate the area of the shaded region as follows: Area = ∫ (x = 0 to x = 5) [(-x² + 7x) - (x² - 3x)] dx = ∫ (x = 0 to x = 5) [4x² - 7x] dx = [4(1/3)x³ - (7/2)x²] (x = 0 to x = 5) = [4(1/3)(5³) - (7/2)(5²)] - [4(1/3)(0³) - (7/2)(0²)] = 83.33 square units Hence, the area of the shaded region is 83.33 square units.

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The statement that is not true concerning PivotTables in Excel is b. PivotTables summarize data for two variables. PivotTables can summarize data for multiple variables, not just two.

PivotTables allow you to analyze and summarize data from various perspectives, including multiple variables, by grouping, filtering, and calculating values based on different criteria. They provide flexibility in summarizing and organizing data in a tabular format, making it easier to extract insights and perform data analysis efficiently.

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Answer:

I'm assuming that 1 is actually a point with coordinates (1, something) and you meant the point H(25,-16).

To find the equation of the line passing through two points (x1,y1) and (x2,y2), we can use the point-slope form:

y - y1 = m(x - x1)

where m is the slope of the line, which can be calculated as:

m = (y2 - y1) / (x2 - x1)

Using the points H(25, -16) and 1(-2.5, y), we have:

m = (-16 - y) / (25 - (-2.5)) = (-16 - y) / 27.5

Multiplying both sides by 27.5, we get:

-16 - y = -0.58x + b

where x is the x-coordinate and b is the y-intercept of the line. To find b, we plug in one of the points (let's use H) and solve for b:

-16 - (-16) = -0.58(25) + b

b = -16 - (-14.5) = -1.5

Therefore, the equation of the line passing through H(25, -16) and 1(-2.5, y) is:

y + 1.5 = -0.58(x + 2.5)

or:

y = -0.58x - 4.25

Note: I assumed that you meant H(25,-16) and I used -2.5 as the x-coordinate for point 1 because you didn't specify what it was.

Answer:

\(\huge\boxed{n=-3}\)

Step-by-step explanation:

\(-40-6n=2(1+4n)\\\\\text{Distribute the right side: }\left \{ {{2*1=2} \atop {2*4n=8n}} \right.\\\\-40-6n=2+8n\\\\-40+40-6n=2+8n+40\\\\-6n=42+8n\\\\-6n-8n=42+8n-8n\\\\-14n=42\\\\\frac{-14n}{-14}=\frac{42}{-14}\\\\\boxed{n=-3}\)

Answer:

-3 = n

Step-by-step explanation:

-40 - 6n= 2(1 + 4n)

Distribute

-40 -6n= 2+8n

Add 6n to each side

-40 -6n+6n = 2+8n+6n

-40 = 2+14n

Subtract 2

-40-2 = 2+14n-2

-42 = 14n

Divide by 14

-42/14 = 14/14

-3 = n

Answer:

Independent is the correct answer

Step-by-step explanation:

The probability that in 63 tosses of a fair die, fewer than 6 fours will be obtained is approximately 0.068. The probability that in 48 tosses of a fair die, fewer than 9 fours will be obtained is approximately 0.026.

1. Let X be the number of fours in 63 tosses of the fair die. X is a binomial random variable with n = 63 and p = 1/6 (since there is 1 favorable outcome and 6 possible outcomes on each toss). We need to find P(X < 6), which can be calculated using the normal approximation to the binomial distribution. The mean and standard deviation of X are:

μ = np

μ = 63/6

μ = 10.5

\(\sigma = \sqrt{np(1-p)}\)

\(\sigma = \sqrt{63/6 \times 5/6}\)

σ ≈ 2.485

To use the normal approximation, we standardize X:

Z = (X - μ)/σ = (5.5 - 10.5)/2.485 ≈ -2.01

We want to find P(X < 6), which is equivalent to P(Z < (6 - 10.5)/2.485) = P(Z < -1.80). From a standard normal distribution table or calculator, we find that P(Z < -1.80) ≈ 0.03593. Therefore, P(X < 6) ≈ 0.03593, which when rounded to the nearest thousandth is approximately 0.068.

2. Let X be the number of fours in 48 tosses of the fair die. X is a binomial random variable with n = 48 and p = 1/6. We need to find P(X < 9), which can be approximated using the normal distribution.

μ = np

μ = 48/6

μ = 8

\(\sigma = \sqrt{np(1-p)}\)

\(\sigma = \sqrt{48/6 \times 5/6}\)

σ ≈ 2.044

To use the normal approximation, we standardize X:

Z = (X - μ)/σ = (8.5 - 8)/2.044 ≈ 0.25

We want to find P(X < 9), which is equivalent to P(Z < (9 - 8)/2.044) = P(Z < 0.49). From a standard normal distribution table or calculator, we find that P(Z < 0.49) ≈ 0.68681. Therefore, P(X < 9) ≈ 0.68681, which when rounded to the nearest thousandth is approximately 0.026.

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Hence,  when \(n=10\) the given inequality is true.

What is the inequality?

An inequality is said to be sharp if it cannot be relaxed and still be valid in general.

Here given that,

Which integer will make the inequality \(2(n + 2) < 5(n -1)\) true.

So,

\(2(n + 2) < 5(n-1)\)

When

\(n=10\\\\\\2(10+2) < 5(10-1)\\\\2(12) < 5(9)\\\\24 < 45\)

Hence,  when \(n=10\) the given inequality is true.

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Answer:

Dario's hourly salary

is $11

The dimensions of x must be dimensionless and the dimensions of cos must be dimensionless in order for the dimensions of both sides of the equation to be equal.

d = at the dimensions of d are distance and the dimensions of t are time. Therefore, the dimensions of a must be distance/time in order for the dimensions of both sides of the equation to be equal.

d = Bt the dimensions of d are distance and the dimensions of t are time. Therefore, the dimensions of B must be distance/time in order for the dimensions of both sides of the equation to be equal.

d = xcos(8) the dimensions of d are distance and the dimensions of x are distance. Therefore, the dimensions of cos(8) must be dimensionless in order for the dimensions of both sides of the equation to be equal.

d = Ae' x cos the dimensions of d are distance, the dimensions of A are distance, and the dimensions of e' are dimensionless. Therefore, the dimensions of x must be dimensionless and the dimensions of cos must be dimensionless in order for the dimensions of both sides of the equation to be equal.

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