Answer: B
Step-by-step explanation:
so for the slope to be parallel, it means it's the same slope as the given equation which is -5
using point slope, we can write a new equation
y -5 = -5(x+3)
y -5 = -5x-15
y = -5x-10
1/8 x (1/3) power of 2
A social psychologist conducts an experiment and finds a statistically significant result. This means that the a. experiment is very low in external validity. b. experiment is very high in external validity. c. probability of obtaining this finding by chance alone is less than some quantity. d. probability of obtaining this finding by chance alone is greater than some quantity.
Considering that the hypothesis test found an statistically significant result, it is found that the correct option is:
c. probability of obtaining this finding by chance alone is less than some quantity.
What is an hypothesis test?When a hypothesis test, there are two hypothesis, the null and the alternative hypothesis.There is also a significance level.If the probability of obtaining the finding by chance is less than the significant value, the result is statistically significant.Hence, according to these bullet points, option C is correct.
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A line in xy - plane has a slope of 1 and passes through the point (0, 2). Which is an equation of the line?
y = x/2
y = 2x y = x + 2 y = x – 2
The equation of the line with a slope of 1 passing through the point (0, 2) is y = x + 2.
To verify this, we can substitute the coordinates of the given point (0, 2) into the equation y = x + 2:
2 = 0 + 2
This equation holds true, confirming that the line y = x + 2 passes through the point (0, 2) and has a slope of 1.
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Sierra ha a bottle with 2 cup of orange juice left. I thi enough to make 6 frozen juice bar? Explain
No, it depends upon the size of the bottle but it's not enough for a normal bottle to make 6 frozen juice bars.
No, 2 cups of orange juice is not enough to make 6 frozen juice bars. Each frozen juice bar typically requires a certain amount of juice, and it is likely that 6 bars would require more than 2 cups of juice. To be sure, you would need to check the recipe or packaging for the frozen juice bars to determine the exact amount of juice required per bar.
It is also important to note that even if the juice is enough to make 6 bars, it might not yield the same taste as desired because of the lack of enough juice, also the freezing process might not work as well as it should because of the small quantity of juice.
Therefore, It is not enough as it depends upon the size of the bottle but it's not enough for a normal bottle to make 6 frozen juice bars.
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Keenan got 13 /25 for his Mathematics Test write this as a decimal fraction
Answer: Answer is 0.52
Step-by-step explanation:
So we have the fraction 13 Out of 25.
step 1: here we divide numerator(which is 13) by denominator(which is 25).
step 2: first we make denominator 100 by multiplying by 25 with 4 and also 13 with 4.
ie. \(\frac{13 * 4}{25 * 4}\)
step 3: we get \(\frac{52}{100}\)
step 4: now we can easily write the decimal fraction. ie. 0.52
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Exponential growth, starts at 2, asymptote at y = 0 what is the equation?
According to the problem, the initial condition is 2, which means the coefficient of the exponential must be 2, so the given situation can be model by the following equation
\(f(x)=2(2)^x\)the real numbers with decimal representations consisting of all 1s
The real numbers with decimal representations consisting of all 1s are non-existent.
To determine if a real number with a decimal representation consisting of all 1s exists, we can examine the nature of such a number. Let's assume there is a number "x" that fits this criteria. Its decimal representation would be 1.1111..., where the digit 1 repeats indefinitely.
We can attempt to find the value of this number by performing a calculation:
x = 1.1111...
10x = 11.1111...
Now, if we subtract the equation for x from 10x, we can eliminate the repeating decimal:
10x - x = 11.1111... - 1.1111...
9x = 10
x = 10/9
Thus, we find that the value of x is 10/9. However, the number 10/9 does not have a decimal representation consisting of all 1s. Its decimal representation is a repeating decimal, where the digit 1 repeats indefinitely: 1.1111....
After careful examination and calculation, we can conclude that there are no real numbers with decimal representations consisting solely of 1s. The closest representation to a repeating decimal of all 1s is the fraction 10/9, which has a repeating decimal representation of 1.1111....
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Square M and square P are similar.
M
y-axis
P
x-axis
Which sequence of transformations could be applied to square M to map it to square
P?
O a reflection over the x-axis followed by a translation up
O a reflection over the y-axis followed by a translation to the right
O a reflection over the x-axis followed by a dilation by a factor less than 1
O a reflection over the y-axis followed by a dilation by a factor greater than 1
The correct sequence of transformations that could be applied to square M to map it to square P is a reflection over the y-axis followed by a dilation by a factor greater than 1
Reflection over the y-axis reflects the square across the y-axis, effectively switching the positions of the points on the left and right sides of the square.
This is necessary because square M is positioned along the y-axis, while square P is positioned along the x-axis.
After reflecting the square over the y-axis, we need to scale it up to match the size of square P.
Since square P is positioned along the x-axis, which is a greater distance from the origin compared to the y-axis, a dilation by a factor greater than 1 is required to enlarge the square accordingly.
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Help please please please
Answer:
surface are of cylinder= 2 pi r²+2pi r h
s.a= 2 pi r (r+h)
s.a=2×3.14×5(5+30)
s.a= 1099 in²
80+000
Question 8
The mean age of swimmers for all of these teams is 10.
What does a large MAD tell you?
Jason's Team
000
+
7 8 9 10 11 12 13
Age (years)
MAD = 2.4
lues are
Understand Mean and MAD-Quiz-Level F
Hannah's Team
greater than
less than
close to
far from
+
2 13
<+
7
the mean.
Dion's Team
8 9 10 11 12
Age (years)
MAD = 0.8
Large MAD tells us that the average distance between each data value and the mean is large.
Given that;
The mean age of swimmers for all of these teams is 10.
Since, MAD is the mean absolute deviation (MAD) of a set, it tells the average distance between each data value and the mean.
Hence, It is a method to express the variance in the data set.
So, the large MAD tells us that the average distance between each data value and the mean is large.
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Please help with math revision
Answer:
3.
a) There are 1, 2, 3, 4, 5, 6 outcomes.
b) There are 3 odd numbers on this die, and they are: 1, 3, and 5
c) There are 3 even numbers on this die, and they are: 2, 4, and 6
4.
a) There are 3 possible outcomes, green, blue, and red
b) There is a 1/3 chance of getting a red, because there is one red out of three possible outcomes.
c) P(R ∪/or G) = P(R) + P(G) - P(R ∩/and G)
replace those with actual values;
P(R or/∪ G) = 1/3 + 1/3 - (1/3 x 1/3) = 2/9
d) There are 2 other colors besides red out of 3, so therefore it is a 2/3 chance
e) The probability of getting a yellow is not mentioned therefore it is impossible.
5.
a) There are 7 possible outcomes
b) There is only one 6 in the spinner out of 7 numbers, so it will be a 1/7 chance
c) There is no 8 mentioned in this spinner, hence this event is impossible.
d) P(2 ∪/or 4) = P(2) + P(4) - P(2 ∩/and 4)
replace them with actual values;
1/7 + 1/7 - (1/7 x 1/7) = 13/49
e) There are 3 even numbers in the spinner, so it is a 3/7 chance
f) There are 4 odd numbers in the spinner, so it is a 4/7 chance
g) There are 8 marbles in a bag, what is the probability of getting a marble? The event has to be certain if you're getting a probability of 1.
6.
a) There are 5 possible outcomes.
b) There is one "T" in the word 'maths', so it would be a 1/5 chance of getting a t since there are 5 letters in total. Though, they want it in decimals so 1/5 = 0.2
c) There are 4 consonants in the word 'maths', so it would be a 4/5 chance of getting a consonant. Though, they want it in decimals so: 4/5 = 0.8
d) There are 3 letters in both 'tame' and 'maths', so 3 letters out of 5 letters (3/5) could be a letter used in 'tame' from 'maths'. Though, they want a percentage so: 3/5 = x/100, solving for x would equal 60%.
A function has a slope of 3, and one solution is given in the table. identify the missing outputs. x: 5 6 7 8 9 y: -50
The remaining value will increase by the value of the slope. Hence the remaining missing values are -47, -44, -41, -38 and -35
Slope and tablesThe slope of a line is the ratio of the rise to run of a line. It is also defined as the rate of change of coordinate y with respect to x. Mathematically;
slope = change in y/change in x
If the slope of the table given is 3, then using the coordinate points (5, -50)and (6, y)
Substitute
3 = y-(-50)/6-5
3 = y+50/1
y+50 = 3
y = -47
The remaining value will increase by the value of the slope. Hence the remaining missing values are -44, -41, -38 and -35
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_________________ is the angle of tilt below the imaginary horizontal plane oriented 90-degrees to the _______________ direction.
The missing terms in the sentence are "Inclination" and "Vertical."
Inclination is the angle of tilt below the imaginary horizontal plane oriented 90-degrees to the vertical direction. It refers to the angle at which an object or surface deviates from being perfectly horizontal or flat. It measures the slope or tilt of the object or surface in relation to the vertical direction.
The vertical direction is the imaginary line or axis that points directly up or down, perpendicular to the horizontal plane. It is oriented at a 90-degree angle to the horizontal direction, which is typically considered the direction parallel to the ground or any other reference plane.
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A triangle has squares on its three sides as shown below. What is the value of x? Three squares having side lengths
9 cm, x cm, and 12 cm joining to form right triangle at the centre
12 inches
15 inches
108 inches
144 inches
Answer:
where is the figure? upload the fig too
Answer:
15
Step-by-step explanation:
9*9+12*12=225
12*12=144
15*15=225
108*108=11664
144*144=20736
game of bingo with 33 outcomes is created to allow 6 people to win the game for every 27 people who do not win. which ratio in the form of people who win to people who do not win? (Again....Please help with this ;-; )
Answer:
Winners:Losers
2:9
Step-by-step explanation:
Winners:Losers
6:27
[÷3]
2:9
Answer:
Ratio 2:9
Step-by-step explanation:
For every 27 winner there are 6 people who win
For every 6 people who win 27 people do not win
So the ratio is 6:27 This can be simplified by dividing by 3
Ratio 2:9
solve for x using the correct order of operations
Answer:
Step-by-step explanation:
Use PEMDAS.
P=Parenthesis
E=Exponents
M=Multiplaction
D=Division
A=Addition
S=Subtraction.
Multiplication and Division can be done interchangeably, Work left to right.
Same with addiion and subtraction.
Given mn find the value of x.
Because lines m and n are parallel, we conclude that x° = 57°
How to find the value of x?Ok, remember that when we have an intersection of two lines, the vertical angles (the ones connected by the vertex) have the same measure.
Here we know that lines m and n are parallel lines, then the angles in the two intersections are the same angles.
That means that x° and the 57° angle are vertical angles, so these have the same measure, then we can conclude that:
x° = 57°
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the average age of everyone in the class is an example of what type of statistics?
Answer: descriptive statistics
Step-by-step explanation: The average age of everyone in the class is an example of descriptive statistics.
Question 9 of 10
Fill in the blank. In the triangle below, y=
decimal places.
- Round your answer to two
47"
y
35
ze
Answer here
Answer:
y = 51.32º
Step-by-step explanation:
z = 180 - 47 - 90
z = 43º
sin43 = opp/hyp
sin43 = 35/y
y = 35/sin43
y = 51.32º
simplify (a+1/a)^2-(a-1/a)^2
independent variable was contact plates placed on the tile for less than 5 seconds. the standardized variables were the length of time plates were on the tiles. the control was the inoculating floor tiles for five days in chicken broth. the dependent variable was the plates placed on the tile for more than 5 seconds.
Their experimental design was Independent variable was contact plates placed on the tile for less than 5 seconds. Option D is the correct answer.
The independent variable is the factor that is being manipulated by the experimenter. In this case, the experimenter is manipulating the length of time the plates are on the tiles. The dependent variable is the factor that is being measured by the experimenter. In this case, the experimenter is measuring the amount of bacteria on the plates.
The control is a group of subjects that are not exposed to the independent variable. In this case, the control group is the floor tiles that have been inoculated with chicken broth. The control group is used to compare the results of the experimental group, which is the group of plates that have been dropped on the tiles.
The standardized variables are the factors that are kept the same for both the experimental group and the control group. In this case, the standardized variables are the type of food, the surface of the tiles, and the temperature of the room. These factors are kept the same so that the only difference between the two groups is the length of time the plates are on the tiles.
This experimental design is a well-controlled experiment because the experimenter has taken steps to ensure that the only difference between the two groups is the length of time the plates are on the tiles. This will allow the experimenter to make accurate conclusions about the effect of the independent variable on the dependent variable. Option D is the correct answer.
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The following question may be like this:
The Myth busters conducted an experiment to test the five second rule. Which of the following represented their experimental design?
The standardized variables were the length of time plates were on the tiles. The control was the inoculating floor tiles for five days in chicken broth. The dependent variable was the plates placed on the tile for more than 5 seconds. Independent variable was contact plates placed on the tile for less than 5 seconds.A pitcher pitches a ball to a hitter. The ball
is hit towards center field, hits the center
field fence, then drops to the ground.
Graph time on the x-axis and the height of
the ball on the y-axis.
The graph is attached below :
It is said that a pitcher pitches a ball to a hitter. The ball is hit towards center field, hits the center field fence, then drops to the ground.When the pitcher throws the ball, it advances towards the batter. The ball has a particular height during its action, and its height remains constant. The red line depicts this motion.After the batter strikes the ball, it swiftly ascends to its maximum height. The blue line depicts this motion.When the ball attains its maximum height, it strikes the fencing and loses elevation. The height is reduced to zero. The green line in the graph depicts this.To learn more about the maximum height, visit :
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Ankit makes 74% of the free throws he takes in his basketball league. If he is fouled on a three-point shot and gets three free throws, what is the approximate probability he will make all three shots?
The approximate probability that Ankit will make all three shots is 0.405 or 40.5%.
What is binomial distribution?A probability distribution known as the binomial distribution is used to characterize the number of successes in a certain number of independent trials, where each trial has only one of two potential outcomes (success or failure) and the chance of success is constant across all trials. For determining the likelihood of achieving a certain number of successes in a set number of trials, it is utilised.
Given, Ankit makes 74% of the free throws.
Using binomial distribution we have:
\(P(X=k) = (n C k) * p^k * (1-p)^{(n-k)}\)
For k = 3 we have:
\(P(X=3) = (3 C 3) * 0.74^3 * (1-0.74)^{(3-3)}\\\\P(X=3) = 0.74^3\)
P(X=3) ≈ 0.405
Hence, the approximate probability that Ankit will make all three shots is 0.405 or 40.5%.
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Use the table to answer the following question. What is an equation that describes this relationship?
The equation that describes the relationship is option A. y = 8 - 7x.
What is Slope?Slope of a line is the ratio of the change in y coordinates to the change in the x coordinates of two points given.
Given are the values of x and y.
x : 0 1 2 3
y : 8 1 -6 -13
Equation of a line can be written as y = mx + d in slope intercept form.
m is the slope and d is the intercept along Y axis.
Slope of a line with two points (x, y) and (x', y') is,
Slope = (y' - y) / (x' - x)
Consider the points (0, 8) and (1, 1).
Slope, m = (1 - 8) / (1 - 0) = -7 / 1 = -7
Since we already have the point (0, 8), y intercept, d = 8.
Substituting these, we get the equation of line as,
y = -7x + 8 or
y = 8 - 7x
Hence the equation of the line is y = 8 - 7x.
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a newsletter publisher believes that 58% 58 % of their readers own a personal computer. is there sufficient evidence at the 0.01 0.01 level to refute the publisher's claim? state the null and alternative hypotheses for the above scenario.
The null hypothesis (H₀): p > 0.58
and the alternative hypothesis (\(H_A\)) : p = 0.58
Also there isn't sufficient evidence at the 0.01 level of significance, that is, at a 1% level of significance, to refute the publisher's claim
Let us assume that p defines the population proportion of the publishers who own a personal computer.
Now, to test the claim, 58 % of their readers own a personal computer. (ex. p = 0.58)
This is be an alternative hypothesis and the null hypothesis proportion should be, p > 0.58
Now for this scenario,
the null hypothesis is H₀: p > 0.58
and the alternative hypothesis is \(H_A\): p = 0.58
The newsletter publisher reject the null hypothesis.
Thus, the alternative hypothesis was accepted.
So, we can draw the conclusion: There isn't sufficient evidence at the 0.01 level of significance, that is, at a 1% level of significance, to refute the publisher's claim.
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The complete question is:
A newsletter publisher believes that 58% of their readers own a personal computer. Is there sufficient evidence at the 0.01 level to refute the publisher's claim?
State the null and alternative hypotheses for the above scenario.
A geologist visits 20 volcanoes in Alaska and California.
What if 60% of the volcanoes were in California? How many volcanoes would the geologist have visited in California and how many in Alaska?
Answer:
60% of 20 is 12
40% of 20 is 8
12 in California
8 in Alaska
Prove: 12. Given: BC || EF, ZBEFE ZDCG Prove: AB 11 DC 11. Given: m BCD + m.ZBEF= 180°, AB || DC Prove: BC || EF B C 5. F E
Answer:1. Given: mx1 = 101°, m.25 = 101°. Prove:/ || n . 1. 11. given. <1=1019. (5=101. 2. <1 2 <5 ... 2. Given: 48 = 22. Prove:1 ||n. 1. <. 8722. Il given. J. Ext. 87. 2. elin. 12. alt.int ks form / ... Prove: BC || EF. - ll lines. 1. <BCD + <BEF=180' 11. Diven. ABII DC. 2. ... 6. Given: BC || EF, ZBEFE ZDCG lunes a. Prove: AB || DC. 1. B C ll EF.
Step-by-step explanation:
Emika has a monthly budget for her cell phone bill.
Last month she spent 120% of her budget, and the bill was $60.
What is Emika’s monthly budget?
Find the equation for the tangent plane and the normal line at the point P,(2,3,2) on the surface 2x2 + 4y + 3z2 = 56. Using a coefficient of 2 for x, the equation for the tangent plane is 0
The equation of the tangent plane at point P(2,3,2) is 4x + 2y + 3z - 26 = 0. The equation of the normal line at point P(2,3,2) is: x = 2 + 4t, y = 3 + 2t, z = 2 + 3t.
To find the equation for the tangent plane at point P(2,3,2) on the surface 2x^2 + 4y + 3z^2 = 56, we need to first find the partial derivatives of the equation with respect to x, y, and z:
∂f/∂x = 4x
∂f/∂y = 4
∂f/∂z = 6z
Evaluating these partial derivatives at point P(2,3,2), we get:
∂f/∂x = 4(2) = 8
∂f/∂y = 4
∂f/∂z = 6(2) = 12
Using these values, we can write the equation of the tangent plane as:
8(x - 2) + 4(y - 3) + 12(z - 2) = 0
Simplifying this equation, we get:
4x + 2y + 3z - 26 = 0
So the equation of the tangent plane at point P(2,3,2) is 4x + 2y + 3z - 26 = 0.
To find the equation of the normal line, we need to find the normal vector to the tangent plane. This can be done by taking the coefficients of x, y, and z in the equation of the tangent plane, which are 4, 2, and 3, respectively. So the normal vector is:
<4, 2, 3>
To find a point on the normal line, we can use the coordinates of point P(2,3,2). So the parametric equations for the normal line are:
x = 2 + 4t
y = 3 + 2t
z = 2 + 3t
Therefore, the equation of the normal line at point P(2,3,2) is:
x = 2 + 4t
y = 3 + 2t
z = 2 + 3t
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Your drawer contains 6 black socks and 8 white socks you randomly choose 2 socks without putting any back. What is the probability that both socks are black
Answer:
Step-by-step explanation:
First, you have to find the total number of socks. The total is 14. Now, since you choose 2 socks out of 14 in total, the probability is 2/14 or about 14%. To find the percent, just divide the numerator by the denominator. The answer you get is in decimal form. Multiply the decimal by 100. Then, there is your percent.