Answer:
see explanation
Step-by-step explanation:
Any coordinate point that lies on the line is a solution , that is
(- 2, 8 ) , (0, 4 ) , (2, 0 ) , (4, - 4 )
Please answer these 2 questions its not my test its just practice homework
Answers:
(1) Area is 57.6 m²
(2) Length of AC is 46.7 m
(1) Given that;
In triangle ABC,
AC = 10 m
Height = 32m
Now, In triangle,
EG = 6 m
Let height = x
Hence, By proportion we get;
10 / 32 = 6 / x
x = 6 × 32 / 10
x = 192/10
x = 19.2
Hence, The area of triangle EFG is,
A = 1/2 x base x height
A = 1/2 × 6 × 19.2
A = 3 × 19.2
A = 57.6 m²
(2) In the given triangles,
ΔABC and ΔCBD are Similar,
Hence their respective sides are in proportion,
As we know from the triangles' similarity.
This information allows us to establish the following ratio:
AC/BD = AB/AC
Inputting the specified values results in:
27/AC = AC/12
If we cross-multiply, we obtain:
AC = 27 x 12
Simplify, we get:
AC = √(27 x 12) AC = 46.7 m (rounded to the nearest tenth) Consequently,
AC measures around 46.7 meters in length.
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7) What does a multiplier of \( 1.2 \) mean?
A multiplier of 1.2 means the value is multiplied or increased by a factor of 1.2.
A multiplier is a term used to represent a factor by which a value is multiplied or increased. It is a numeric value that indicates the extent of the increase or expansion of a given quantity. Multiplication by a multiplier results in scaling or changing the magnitude of the original value.
A multiplier of 1.2 indicates that a value will be increased by 20% or multiplied by a factor of 1.2. This means that when the multiplier is applied to the original value, the resulting value will be 1.2 times the original.
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the inverse operation of squaring a number is finding the
Answer:
is finding the square root
The inverse operation of squaring a number is finding the square root of that number. The square root of a number "x" is the value that, when squared, gives the original number.
When a number is squared, it is multiplied by itself. For example, squaring the number 4 gives 4^2 = 16.
The inverse operation undoes the effect of squaring and returns you to the original number. In this case, finding the square root of a number is the inverse operation of squaring.
The square root of a number "x" is a value that, when squared, gives the original number. It is denoted by the symbol √x.
For example, if you have the number 25 and you want to find its square root, you calculate:
√25 = 5
5 is the square root of 25 because when you square 5 (5^2), you get 25.
The inverse operation of squaring a number is finding the square root of that number. The square root of a number "x" is the value that, when squared, gives the original number. The concept of square root and squaring are inverse operations that are used in various mathematical calculations and problem-solving.
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Jim wants to make a 4 letter password. He cannot repeat any letters in his password.How many combinations can he make
My previous answer was incorrect, sorry for that... the correct answer would be 358,800
\(\huge\text{Hey there!}\)
\(\large\text{He has 26 letters all together (A - Z)}\)
\(\large\text{25 if he starts from his second letter (B - Z)}\)
\(\large\text{24 if he starts from his third letter (C - Z)}\)
\(\large\text{ 23 if he starts from his fourth letter (D - Z)}\)
\(\mathsf{26\times25\times24\times23}\)
\(\mathsf{26\times 25 = \bf 650}\)
\(\mathsf{650\times24\times23}\)
\(\mathsf{650\times24 = \bf 15,600}\)
\(\mathsf{15,600\times 23}\)
\(\mathsf{ =\bf 358,800}\)
\(\boxed{\boxed{\large\text{Answer: \huge \bf 358,800}}}\huge\checkmark\)
\(\text{Good luck on your assignment and enjoy your day!}\)
~\(\frak{Amphitrite1040:)}\)
Drag the tiles to the correct boxes to complete the pairs.
Match each object with the characteristic it represents.
a broom handle
the letter T
a sun ray
a cookie crumb
the horizon
rows of seats on
an airplane
ray
line segment
point
line
perpendicular lines
parallel lines
Answer:
a broom handle - line segment
the letter T - perpendicular lines
a sun ray - ray
a cookie crumb - point
the horizon - line
row of seats of airplane - parallel lines
Step-by-step explanation:
a broom handle is straight and has a beginning and end, same goes for a line segment
the letter T has two lines that intersect with one another, these lines are perpendicular
a sun ray is well, a ray
a cookie crumb is small and round, similar to a point
lines do not have a beginning or end, like the horizon line
and the row of seats on an airplane all line up together like lines that are parallel.
Hope this helps :)
which one is greater root of 3 or 2?
Answer:
3
Step-by-step explanation:
3 is larger than 2
in a chi-squared test, if the null hypothesis is true, we expect the test statistic to be:
If the null hypothesis is true in a chi-squared test, then we expect the test statistic to be approximately equal to its expected value.
In a chi-squared test, the null hypothesis is the statement that there is no significant association between two variables. If the null hypothesis is true, then we expect the test statistic to be approximately equal to its expected value. The expected value is calculated using the degrees of freedom and the expected frequency of each category in the contingency table.
The chi-squared test statistic is calculated by subtracting the observed frequency from the expected frequency for each category and then squaring the result. These squared differences are then summed across all categories to calculate the chi-squared test statistic.
If the null hypothesis is true, we expect the test statistic to be close to its expected value. This is because when the null hypothesis is true, the observed frequencies should be close to the expected frequencies. Therefore, the squared differences should be small, resulting in a small test statistic.
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Pls help ! I’m lost rn
Sara rolls a fair dice 114 times. How many times would sara expect to roll a five?
Answer:
19 times
Step-by-step explanation:
114:6=19
19.5=95
114-95=19
Answer:
1/6 times so about 19 times plz make brainliest
Step-by-step explanation:
Q5... Lids has obtained 23.75% of the
cap market in Ontario. If Lids sold 2600 caps last month, how many
caps were sold in Ontario in total last month? Round up the final
answer. (1 mark)
The total number of caps sold in Ontario last month is approximately 10948 caps (rounded up).
Given that Lids has obtained 23.75% of the cap market in Ontario and it sold 2600 caps last month. Let us calculate the total caps sold in Ontario last month as follows:
Let the total caps sold in Ontario be x capsLids has obtained 23.75% of the cap market in Ontario which means the percentage of the market Lids has not covered is (100 - 23.75)% = 76.25%.
The 76.25% of the cap market is represented as 76.25/100, hence, the caps sold in the market not covered by Lids is:
76.25/100 × x = 0.7625 x
The total number of caps sold in Ontario is equal to the sum of the number of caps sold by Lids and the number of caps sold in the market not covered by Lids, that is:
x = 2600 + 0.7625 x
Simplifying the equation by subtracting 0.7625x from both sides, we get;0.2375x = 2600
Dividing both sides by 0.2375, we obtain:
x = 2600 / 0.2375x
= 10947.37 ≈ 10948
Therefore, the total number of caps sold in Ontario last month is approximately 10948 caps (rounded up).Answer: 10948
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Compute the area of a figure bounded by the lines: y = 1/x², y = x, y = 4.
The area of the figure bounded by the lines y = 1/x², y = x, and y = 4 is 51/4 square units.
To compute the area of the figure bounded by the lines y = 1/x², y = x, and y = 4, we need to determine the intersection points of these lines and integrate the difference in their values over the relevant interval.
First, let's find the intersection points of the lines:
1/x² = x
Multiplying both sides by x²:
1 = x³
Taking the cube root of both sides:
x = 1
So, the lines y = 1/x² and y = x intersect at the point (1, 1).
Next, we find the intersection points of the lines y = x and y = 4:
x = 4
So, the lines y = x and y = 4 intersect at the point (4, 4).
To calculate the area, we need to determine the interval of integration. From the intersection points, we can see that the region lies between x = 1 and x = 4.
Now, let's integrate the difference in the values of the lines over this interval:
Area = ∫[1, 4] (4 - 1/x² - x) dx
Expanding the integrand:
Area = ∫[1, 4] (4 - x - 1/x²) dx
To integrate this expression, we can break it into three separate integrals:
Area = ∫[1, 4] 4 dx - ∫[1, 4] x dx - ∫[1, 4] 1/x² dx
Integrating each term:
Area = [4x] [1, 4] - [x²/2] [1, 4] - [-1/x] [1, 4]
Simplifying and evaluating:
Area = 4(4) - 4(1) - (1/4) + 1
= 16 - 4 - 1/4 + 1
= 13 - 1/4
= 51/4
Therefore, the area of the figure bounded by the lines y = 1/x², y = x, and y = 4 is 51/4 square units.
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consider the following repeating decimal. 0.418 (a) write the repeating decimal as a geometric series. 0.418 = [infinity] n = 0 n
The repeating decimal 0.418 as a geometric series, we can express it as:
0.418 = 4 * 10^(-1) + 1 * 10^(-2) + 8 * 10^(-3) + 4 * 10^(-4) + 1 * 10^(-5) + 8 * 10^(-6) + ...
Now, we can rewrite it as a sum of an infinite geometric series:
0.418 = Σ[ (4 * 10^(-1))^n + (1 * 10^(-2))^n + (8 * 10^(-3))^n ] for n = 0 to ∞
This geometric series representation of the repeating decimal 0.418 can be used to perform various calculations and analyses.
To write the repeating decimal 0.418 as a geometric series, we can use the formula for the sum of an infinite geometric series:
S = a / (1 - r)
where S is the sum of the series, a is the first term, and r is the common ratio.
In this case, we can see that the repeating part of the decimal is 0.18. So we can write:
0.418 = 0.4 + 0.01(8 + 0.008 + 0.00008 + ...)
where we've broken up the repeating part into a sum of infinitely many terms, each with a smaller power of 10.
Now we can see that the first term of this series is 0.01 (since that's coefficient of the first term in the repeating part), and the common ratio is also 0.01 (since each term is 1/10th of the previous term). So we have:
a = 0.01
r = 0.01
Plugging these values into the formula for the sum of an infinite geometric series, we get:
S = 0.4 + 0.01 / (1 - 0.01) = 0.4 + 0.01 / 0.99
Simplifying this expression, we get:
S = 0.4 + 0.01010101...
which we recognize as another repeating decimal, with repeating part 0.01. So we can write:
S = 0.4 + 0.01(S)
where S is the sum of the series. Solving for S, we get:
S = 0.4 / (1 - 0.01) = 0.404
So the repeating decimal 0.418 can be written as the geometric series:
0.418 = 0.4 + 0.01(8 + 0.008 + 0.00008 + ...)
= 0.4 + 0.01(S)
= 0.404 + 0.00010101...
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Consider the circle with center and which is a tangent to the x-axis.
The objective is to find the equation of the circle is in standard form and to graph the circle.
The equation of the circle in standard form is (x-6)² + (y-11)² = 121.
The equation of a circle can be defined in the standard form :
(x-a)² + (y-b)² = r²,
Here (a,b) is the center of the circle, and r is the radius of the circle.
We know that circle is said to be tangent to the x-axis if its center lies on the x-axis.
Thus , Let the center is given to be (6,11) and is tangent to the x-axis. Hence, the equation of the circle can be written as follows;
(x-6)² + (y-11)² = r².
The radius of the circle can be determined by nothing that it is tangent to the x-axis, which means the distance from the center (6,11) to the x-axis is equal to the radius of the circle.
Thus the x-axis is perpendicular to the y-axis, the distance between the center (6,11) and the x-axis is the distance between (6,11) and (6,0). Therefore, r = 11 - 0 = 11
Thus, the equation of the circle is; (x-6)² + (y-11)² = 121.
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The complete question is;
Consider the circle with a center (6,11) and which is a tangent to the x-axis. The objective is to find the equation of the circle is in standard form and to graph the circle.
study of ancient pottery. refer to the chance (fall 2000) study of ancient pottery found at the greek settlement of phylakopi, presented in exercise 2.14 (p. 36). of the 837 pottery pieces uncovered at the excavation site, 183 were painted. these painted pieces included 14 painted in a curvilinear decoration, 165 painted in a geometric decoration, and 4 painted in a naturalistic decoration. suppose 1 of the 837 pottery pieces is selected and examined. a. what is the probability that the pottery piece is painted? b. given that the pottery piece is painted, what is the probability that it is painted in a curvilinear decoration?
To discover the probability that the ceramics piece is painted, we basically separate the number of painted pieces by the whole number of pieces: P(painted) = 183/837 ≈ 0.2185
b. To discover the likelihood that the painted ceramics piece is painted in a curvilinear enhancement, we utilize Bayes' hypothesis:
P(curvilinear | painted) = P(painted | curvilinear) * P(curvilinear) / P(painted)
We are given that there are 183 painted pieces, of which 14 are painted in a curvilinear enrichment. In this manner,
P(painted | curvilinear) = 14/183 ≈ 0.0765
We are moreover given that there are 837 pieces in add up, of which 183 are painted.
P(painted) = 183/837 ≈ 0.2185, we ought to discover the likelihood that a painted piece is painted in a curvilinear enrichment, which is given as 14 out of 183 painted pieces. P(curvilinear) = 14/183 ≈ 0.0765
P(curvilinear | painted) = (0.0765) * (0.0765) / (0.2185) ≈ 0.0266
thus, given that the pottery piece is painted, the likelihood that it is painted in a curvilinear enhancement is roughly 0.0266, or 2.66%.
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Please answer with full steps. Thanks a lot.
1 If f(x) = (1 + arctan x)3() where g(x) = = then the left hand limit off at 0 Select one: O a. None of them O b. is - O c. is too O d. is 0
The left-hand limit of g(x) at 0 for the given function, f(x) = (1 + arctan x)3() is 0.
First, we need to find the expression for g(x) in terms of f(x).
From the given information, we know that f(x) = (1 + arctan x)^3.
Let's simplify this expression:
f(x) = (1 + arctan x)^3
= (1 + arctan x)(1 + arctan x)(1 + arctan x)
= (1 + 3arctan x + 3(arctan x)^2 + (arctan x)^3)
Now, we need to find g(x), which is defined as g(x) = f(x) - f(-x).
So,
g(x) = f(x) - f(-x)
= [(1 + 3arctan x + 3(arctan x)^2 + (arctan x)^3)] - [(1 + 3arctan(-x) + 3(arctan(-x))^2 + (arctan(-x))^3)]
= [(1 + 3arctan x + 3(arctan x)^2 + (arctan x)^3)] - [(1 - 3arctan x + 3(arctan x)^2 - (arctan x)^3)]
= 6arctan x - 2(arctan x)^3
Now, we need to find the left-hand limit of g(x) as x approaches 0.
To do this, we can simply substitute x = 0 into the expression for g(x):
lim x→0- g(x) = lim x→0- [6arctan x - 2(arctan x)^3]
= 6arctan 0 - 2(arctan 0)^3
= 0
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What would the area of this figure be??
Answer:
104 ft^2
Step-by-step explanation:
Ok, so area of a rectangle is pretty simple. Multiply the base and height. In this case, it is 10 × 8. The area of the rectangle is 80 ft^2.
Triangles are a little different. Because the height of the rectangle is the same as the height of the triangle (they share a side) we can use it to find the area. The area of a triangle uses the equation:
\(\frac{1}{2}\)(b × h)
Height = 8ft Base = 6ft
8 × 6 = 48
\(\frac{1}{2}\) of 48 = 24 ft^2
Now, because it is all part of the same shape, add the areas together.
80 + 24 = 104 ft^2
Suppose each license plate in a certain state has three digits followed by three letters. The digits 4 and 5 are not used. So, there are 26 letters and 8 digits that are used. Assume that the letters and digits can be repeated. How many license plates can be generated using this format?
The required, there are 8998912 possible license plates that can be generated using this format.
Here, we have,
There are 8 digits that can be used for each of the three digits on the license plate, with two digits (4 and 5) that cannot be used.
Therefore, there are 8 choices for each of the three digits,
giving us 8 x 8 x 8 = 512 possible combinations for the digits.
Similarly, there are 26 letters that can be used for each of the three letters on the license plate.
Therefore, there are 26 choices for each of the three letters, giving us 26 x 26 x 26 = 17576 possible combinations for the letters.
Total number of license plates = number of choices for the digits x number of choices for the letters
= 512 x 17576
= 8998912
Therefore, there are 8998912 possible license plates that can be generated using this format.
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samples of size 5 are selected from a manufacturing process. the mean of the sample ranges is 0.50. what is the estimate of the standard deviation of the population? (round your answer to 3 decimal places.)
The estimate value of the standard deviation of the population ( manufacturing process) is 0.125..
The standard deviations is estimated to be one fourth of the sample range (as most of data values are within two standard deviations of the mean).
We have given that,
A sample of manufacturing process.
Sample size, n = 5
Mean of sample ranges = 0.50
we have to calculate the estimate of standard deviations of population.
thus , we estimate the standard deviations as fourth of the mean of the sample ranges is
S = Mean of sample ranges/4
=> S = 0.50/4
=> S = 0.125
Hence, the standard deviation of the population is estimated as 0.125..
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solve each problem
-233 minus (-233)
31 minus (-8)
-103 minus (-575)
What is the slope-intercept equation of the line that is perpendicular to y-4=-2/3(x-6) and that passes through (-2, -2)?
Answer:
The slope-intercept equation is:
\(y=\frac{3}{2}x+1\)
Step-by-step explanation:
Given the equation
\(y-4=-\frac{2}{3}\left(x-6\right)\)
comparing it with the point-slope form of the line equation
\(y-y_1=m\left(x-x_1\right)\)
where m is the slope
so the slope of the line is -2/3.As we know that the slope of the perpendicular line is basically the negative reciprocal of the slope of the line, so
The slope of the perpendicular line will be: 3/2
The point-slope form of the equation of the perpendicular line that goes through (-2, -2) is:
\(y-y_1=m\left(x-x_1\right)\)
\(y-\left(-2\right)=\frac{3}{2}\left(x-\left(-2\right)\right)\)
\(y+2=\frac{3}{2}\left(x+2\right)\)
writing the line equation in the slope-intercept form
\(y+2=\frac{3}{2}\left(x+2\right)\)
subtract 2 from both sides
\(y+2-2=\frac{3}{2}\left(x+2\right)-2\)
\(y=\frac{3}{2}x+1\)
Thus, the slope-intercept equation is:
\(y=\frac{3}{2}x+1\)
Here,
As the slope-intercept form is
\(y=mx+b\)
where m is the slope and b is the y-intercept
so
\(y=\frac{3}{2}x+1\)
m=3/2
b = y-intercept = 1
Therefore, the slope-intercept equation is:
\(y=\frac{3}{2}x+1\)
What is the sum? nine-fourths + left-parenthesis negative one-fifth right-parenthesis A. start fraction 41 over 20 end fraction B. –start fraction 41 over 20 end fraction C. –one-third D. Start Fraction 8 over 20 End Fraction
ellen earns 12 dollars for walking the neighbor's dog. last month, she walked the dog w times. choose the expression that shows the number of dollars ellen earned last month.
a.12+ w
b.12–w
c.12w
d.12/w
submit
The correct expression that shows the number of dollars Ellen earned last month is:
c. 12w
In the given scenario, Ellen earns $12 for each time she walks the neighbor's dog. The variable "w" represents the number of times Ellen walked the dog last month.
To calculate the total amount Ellen earned, we need to multiply the number of times (w) by the amount earned per time (12 dollars). This is why the expression is 12w. By multiplying the number of walks (w) by the earnings per walk (12 dollars), we obtain the total amount Ellen earned last month.
a. 12 + w: This expression represents adding the number of walks (w) to the fixed amount of $12. However, this does not reflect the correct calculation of Ellen's earnings since she earns $12 per walk, not for each walk plus a fixed amount.
b. 12 - w: This expression represents subtracting the number of walks (w) from the fixed amount of $12. Similar to option (a), this does not accurately represent Ellen's earnings. She earns a fixed amount per walk, and subtracting the number of walks from that amount does not provide the correct calculation.
d. 12/w: This expression represents dividing the fixed amount of $12 by the number of walks (w). This also does not reflect the correct calculation of Ellen's earnings. Ellen earns a fixed amount per walk, not a variable amount that depends on the number of walks.
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jamie, a bowler, claims that her bowling score is less than 168 points, on average. several of her teammates do not believe her, so she decides to do a hypothesis test, at a 1% significance level, to persuade them. she bowls 17 games. the mean score of the sample games is 155 points. jamie knows from experience that the standard deviation for her bowling score is 19 points and has reason to assume her scores are normally distributed. h0: μ≥168; ha: μ<168 α
The null hypothesis (H0) states that the average bowling score (μ) is greater than or equal to 168 points, while the alternative hypothesis (Ha) states that the average bowling score is less than 168 points.
To test this hypothesis, Jamie uses a significance level of 1%. The sample data consists of 17 games, with a mean score of 155 points and a standard deviation of 19 points.
To perform the hypothesis test, Jamie can use a one-sample t-test because the population standard deviation is unknown. The test statistic can be calculated as (sample mean - hypothesized mean) / (sample standard deviation / √sample size).
Substituting the given values, the test statistic is (-13) / (19 / √17) ≈ -3.02.
With 16 degrees of freedom (sample size - 1), Jamie can compare this test statistic to the critical t-value at a 1% significance level. If the test statistic falls within the critical region, Jamie can reject the null hypothesis and conclude that her bowling score is significantly less than 168 points on average.
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the nicotine content of a certain brand of cigarettes is normally distributed with a mean of 2.0 mg and a standard deviation of 0.25 mg. what is the probability that a cigarette has a nicotine content:
The probability that a cigarette has a nicotine content less than 1.8 mg is approximately 0.2119.
The probability that a cigarette has a nicotine content less than 1.8 mg can be found by using the cumulative distribution function (CDF) of the normal distribution. The CDF gives the probability of a random variable being less than or equal to a certain value.
To find this probability, we can standardize the value 1.8 mg using the formula z = (x - μ) / σ, where x is the value of interest, μ is the mean, and σ is the standard deviation.
Substituting the given values, we have z = (1.8 - 2.0) / 0.25 = -0.8.
Next, we can use a standard normal distribution table or a calculator to find the probability associated with this z-score.
Looking up the z-score of -0.8 in the table, we find that the corresponding probability is approximately 0.2119.
Therefore, the probability that a cigarette has a nicotine content less than 1.8 mg is approximately 0.2119.
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what percentage of persons who lose weight are able to maintain it for more than a year?
Answer: 20%
Step-by-step explanation:
Which explains how to find the question of the division below
-3 1/3 divided by 4/9
Answer:
B /second bubble -3 1/3 is 10/3 and 4/9 is a reciprocal 9/4
asteak at a restaurant actually weighs 17 ounces (the true value),but the menu claims that it is a 15-ounce steak. Find the values ofabsolute and relative errors.
The absolute error is 2 ounces, and the relative error is approximately 11.76%.
The absolute error is the difference between the claimed weight and the true weight of the steak, which is:
Absolute error = |15 - 17| = 2 ounces
The relative error is the absolute error divided by the true weight of the steak, which is:
Relative error = (2/17) x 100% = 11.76%
So, the absolute error of the claimed weight is 2 ounces, and the relative error is 11.76%.
To find the absolute error, you'll need to subtract the true value (17 ounces) from the claimed value (15 ounces):
Absolute error = |True value - Claimed value| = |17 - 15| = 2 ounces
Now, to find the relative error, you'll divide the absolute error by the true value, and then multiply by 100 to get a percentage:
Relative error = (Absolute error / True value) x 100 = (2 / 17) x 100 ≈ 11.76%
So, the absolute error is 2 ounces, and the relative error is approximately 11.76%.
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In a Healthy Jogging event, a few hundred participants were expected to jog 3 500 000 metres altogether. They had jogged 65 000 metres in the first few minutes. How many hundreds must be added to 65 000 to make 3 500 000?
Answer:
34350 hundreds!
Step-by-step explanation:
3500000 - 65000 = 3435000
3435000 / 100 = 34350
34350 hundreds
tadah!
what di you call the distance between a number and 0 on a number line
Answer:
absolute value
Step-by-step explanation:
an absolute value is the distance of a quantity from zero
Answer:
Step-by-step explanation:
integers between and including −5 and 5. Notice that the positive integers go to the right: 1, 2, 3, and so on. The negative integers go to the left: −1, −2, −3, and so on. The distance between a number's place on the number line and 0 is called the number's [absolute value].
the mean of the underlying distribution for chi-square is a. always 1.00 if the null is true b. always 0.00 if the null is true c. equal to the df for that particular test d. cannot be determined without a critical values table
The mean of the underlying distribution for the chi-square is equal to the degrees of freedom (df) for that particular test.
The chi-square distribution is characterized by its degrees of freedom, which determine the shape of the distribution. The mean of the chi-square distribution is dependent on the degrees of freedom. The degrees of freedom represent the number of independent pieces of information used to estimate a parameter. In the case of the chi-square test, it is the number of categories or cells in a contingency table minus 1.
Therefore, the mean of the chi-square distribution is equal to the degrees of freedom for that specific test. Option (c) is the correct choice. The mean of the underlying distribution for the chi-square is not always 1.00 if the null is true (option a) or always 0.00 if the null is true (option b). Additionally, the mean cannot be determined without a critical values table (option d) since it is directly related to the degrees of freedom.
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