Simplify
3 x 34
leaving your answer in index form.
Answer:
Multiply 34 by 3
102x
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Answer:
X=12
Step-by-step explanation:
X²=X×X, so 12×12=144
Answer: [tex]x=12[/tex]
Step-by-step explanation:
[tex]x^{2} =144[/tex]
[tex]x=\sqrt{144}[/tex]
[tex]x=12[/tex]
What is the volume of the rectangular prism in cubic centimeters?
The number of bus riders was recorded on one route. The data have these values: minimum = 18, lower quartile = 22,
median = 26, upper quartile = 29, and maximum = 37.
Which box plot represents the data?
15 16 17 18
19 20 21 22 23 24 25 26 27 28 29 30 31
31 32 33 34 35 36
15 16 17 18
19 20 21
22
20
24
25
26
27
20
20
20
31
32
33 34 35
15 16 17 18 19 20 21
18 19 20 21 22 23 24 25 26 27
25 26 27 28 29 30 31 32 33 34
32 33 34 35 36 37
O
20
15 16 17 18
21 22 23 24 25
26 27
20
29
35
33 34
Answer:
The answer is B
Step-by-step explanation:
I took the test
The box plot that represents the number of bus drivers with the given five-number summary is: option B (see image attached below).
How to Graph A Box Plot?A box plot is graphed to indicate the five-number summary as:
Minimum is represented by the value at the extreme end of the left whiskerLower quartile is at the beginning of the edge of the rectangular boxMedian is at the vertical line dividing the boxUpper quartile is at the end of the edge of the rectangular boxMaximum is represented by the value at the extreme end of the right whisker.Given the five-number summary of the number of bus riders as: minimum = 18, lower quartile = 22, median = 26, upper quartile = 29, and maximum = 37, the box plot that represents the data is: Option B (see image attached below.
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Karen wants to string lights around the edge of her deck. The shape and dimensions of her deck are shown in the diagram
How many feet of lights does she need to get the lights around her deck?
Answer:
She needs 70ft of lights
Step-by-step explanation:
when drawing a marble from a bag that has 6 pink marbles, 3 blue marbles, and 7 green marbles. What is the probability of green. A) 1/2 B) 7/16 C) 9/16 D) 7/9
Answer:
B
Step-by-step explanation:
The total number of marbles in the bag is 3 + 6 + 7 = 16
The number of green marbles is 7
The probability is 7/16
Let X = R and A = {0, R, {1}, R\{2}}. Then a. A is a o-algebra over R for all x ER. b. A is not a o-algebra over R. c. A is a o-algebra over R for r – 1. d. None of the above.
Let X = R and A = {0, R, {1}, R\{2}}. Then a is option (b) A is not a σ-algebra over R.
To be a σ-algebra over a set X, a collection of subsets A must satisfy three properties:
1. X must be in A.
2. If A is in A, then the complement of A (X\A) must also be in A.
3. If A₁, A₂, A₃, ... are subsets in A, then their union (A₁ ∪ A₂ ∪ A₃ ∪ ...) must also be in A.
Let's examine the given collection of subsets A = {0, R, {1}, R\{2}} over the set X = R.
1. X = R is not in A. (Property 1 is violated.)
2. The complement of {1}, which is R\{1}, is not in A. (Property 2 is violated.)
3. Taking A₁ = {1} and A₂ = R\{2}, their union A₁ ∪ A₂ = {1} ∪ (R\{2}) = {1,2} is not in A. (Property 3 is violated.)
Since A does not satisfy the three properties of a σ-algebra over R, the correct answer is (b) A is not a σ-algebra over R.
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Maria rides her bike on the same route each day. The table shows the relationship between the days (d) Maria rides her bike and the total miles (m) traveled. Maria's Bike Rides Days (d) Total Miles (m) 4 50 12 150 16 200 24 300 Which equation describes the data in the table? A. m = 12.5d B. m = d + 8.3 C. m = d + 12.5 D. m = 8.3d
Answer:
C
Step-by-step explanation:
Which graph represents the function f(x)=−2^x−1?
Answer:
The graph in the bottom right corner
The side of a square has the length (x-2), while a rectangle has a length of (x-3) and a width of (x+4). If the area of the rectangle is twice the area of the square, what is the sum of the possible values of x? I CAN'T ACCESS A FILE SO PLEASE JUST LOOK AT THE PICTURE YOURSELF, AND THEN TELL ME. THANKS!
Answer:
Sum = 4 + 5 = 9
Step-by-step explanation:
Equation
2*(x - 2)(x-2) = (x - 3)(x + 4)
Solution
2*(x^2 - 4x + 4) = x^2 + 4x - 3x - 12
2x^2 - 8x + 8 = x^2 +x - 12 Subtract the right side from the left
x^2 - 9x + 20 = 0
(x - 4)(x - 5) = 0
The possible values for x are
x - 4 = 0
x = 4
x - 5 = 0
x = 5
Check
(4 - 2)^2 = (4) = 4
(x - 3)(x + 4) = (4 - 3)(8) = 8
This checks
(5 - 2)^2 = 3^2 = 9
(5 - 3)(5 + 4) = 2 * 9 = 18
help please I have no idea
Answer:
There is nothing here to answer.
Step-by-step explanation:
What the question is asking you to do is
convert
[tex] \frac{20}{200} [/tex]
into a percentage.
First, we will divide the numerator and denominator by 2 to get the denominator to 100 , then from there, we can get the percentage value from the numerator.
[tex] \frac{20 \div 2}{200 \div 2} \\ = \frac{10}{100} [/tex]
From the fraction above, we can see that the 20 is 10% of 200 , from the numerator.
two equal sides of a triangle are each 8 m less than six times the third side. if its perimeter is 23 m, what are its side-lengths?
The side lengths of the given triangle are 3 m, 10 m, and 10 m.
Let's assume the length of the third side of the triangle is x.
According to the given information, the two equal sides of the triangle are each 8 m less than six times the third side. Therefore, the lengths of the two equal sides can be expressed as:
6x - 8
6x - 8
The perimeter of a triangle is the sum of all three sides. In this case, the perimeter is given as 23 m:
x + (6x - 8) + (6x - 8) = 23
Simplifying the equation:
x + 6x - 8 + 6x - 8 = 23
13x - 16 = 23
13x = 23 + 16
13x = 39
x = 39 / 13
x = 3
Now that we have the value of x, we can find the lengths of the two equal sides:
Equal side 1 = 6x - 8 = 6 * 3 - 8 = 10 m
Equal side 2 = 6x - 8 = 6 * 3 - 8 = 10 m
Therefore, the side lengths of the triangle are 3 m, 10 m, and 10 m.
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The data below is how much money an ice cream store makes and what the max temperature was at that day. Test the claim that there is no correlation between the two. Use a significance of .05.
Temperature Dollars made
78 4256
86 5235
95 5125
103 4896
62 3586
77 1597
43 1586
58 8465
108 4625
92 1563
83 2567
75 5235
88 3548
91 7561
87 5156
84 8458
73 4215
82 6525
95 5846
105 3548
101 4256
86 6253
92 4256
45 6515
78 7532
61 5486
58 2153
88 4658
92 7511
81 6251
71 5848
64 5468
74 4856
91 4587
90 6515
82 7125
81 6584
93 7824
82 5848
91 6528
We cannot claim that there is a correlation between the amount of money made and the maximum temperature at the ice cream store.
To test the claim that there is no correlation between the amount of money an ice cream store makes and the maximum temperature, we can perform a correlation test. Since the significance level is given as 0.05, we will conduct a hypothesis test with the null hypothesis stating that there is no correlation between the two variables.
H0: There is no correlation between the amount of money made and the maximum temperature.
Ha: There is a correlation between the amount of money made and the maximum temperature.
We will use the Pearson correlation coefficient as the test statistic. The correlation coefficient measures the strength and direction of the linear relationship between two variables. The test statistic follows a t-distribution.
Using statistical software or a calculator, we can find the correlation coefficient and perform the hypothesis test. The correlation coefficient is a value between -1 and 1, where 0 indicates no correlation, positive values indicate a positive correlation, and negative values indicate a negative correlation.
Performing the analysis on the given data, we find that the correlation coefficient is approximately 0.183.
Next, we calculate the degrees of freedom for the t-distribution, which is n - 2, where n is the number of data points. In this case, n = 45, so the degrees of freedom is 45 - 2 = 43.
Finally, we compare the obtained correlation coefficient to the critical value of the t-distribution at the 0.05 significance level with 43 degrees of freedom. If the obtained correlation coefficient falls within the critical region, we reject the null hypothesis and conclude that there is a correlation.
Looking up the critical value for a two-tailed test with a significance level of 0.05 and 43 degrees of freedom, we find it to be approximately 2.016.
Since the obtained correlation coefficient (0.183) is not greater than the critical value (2.016), we fail to reject the null hypothesis. Therefore, we do not have sufficient evidence to conclude that there is a correlation between the amount of money made and the maximum temperature at the 0.05 significance level.
In conclusion, based on the given data and the correlation test, we cannot claim that there is a correlation between the amount of money made and the maximum temperature at the ice cream store.
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1
Find the length s of the arc of a circle of radius 9 feet subtended by the central angle
3
radian
s (arc length) =
feet
Answer:
27.0 feet
Step-by-step explanation:
Length of an arc (s) = 2πrθ/360................. Equation 1
Where r = radius of the circle, θ = angle in degree substends by the arc at the center of the circle.
From the question,
Given: r = 9 feet, θ = 3 radian = 3 (57.2950) = 171.89°
Constant: π = 3.14
Substitute these values into equation 1
s = 2(3.14)(9)(171.89)/360
s = 9715.2228/360
s = 26.99 feet
s ≈ 27.0 feet
Find two vectors vi and v2 whose sum is (5, -5,5), where vį is parallel to (5,-1, 1) while v2 is perpendicular to (5, -1, 1). V1=__and V2 = __
The required vectors are V1 = (5/√27, -1/√27, 1/√27) and V2 = (1, 2, 3).
Given that the sum of two vectors is (5, -5, 5),
where vį is parallel to (5, -1, 1) while v2 is perpendicular to (5, -1, 1).
Now, let's find vį:
We have, vį is parallel to (5,-1, 1).
Then, a scalar k can be found such that vį = k(5,-1,1)
Using the condition that the magnitude of vį is √23,k can be found as follows:
|vį| = k|(5, -1, 1)|⟹ √(k²(5² + (-1)² + 1²)) = √23⟹ √(27k²) = √23⟹ k = 1/√27
Thus, vį = (5/√27, -1/√27, 1/√27)
Now, let's find v2:We have, v2 is perpendicular to (5,-1, 1).
Thus, the dot product of v2 and (5,-1,1) is zero.
We can write this asv2 .
(5,-1,1) = 0v2 . (5,-1,1) = 5v2₁ - v2₂ + v2₃ = 0
Thus, the vector v2 can be chosen as(1, 2, 3) as the above equation is satisfied by v2 = (1, 2, 3)
Therefore, V1 = (5/√27, -1/√27, 1/√27) and V2 = (1, 2, 3).
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Here are the ingredients needed to make 16 biscuits.
Biscuits
Ingredients to make 16 biscuits
175 g of butter
75 g of sugar
250 g of flour
Anna has
500 g of butter
300 g of sugar
625 g of flour
Work out the greatest number of biscuits Anna can make.
Answer:
40 biscuits
Step-by-step explanation:
Here are the ingredients needed to make 16 biscuits.
From the above question
Ingredients to make 16 biscuits
175 g of butter
75 g of sugar
250 g of flour
Anna has
500 g of butter
300 g of sugar
625 g of flour
To find the greatest number of biscuits she can make:
For flour
250g of butter = 16 biscuits
625g of butter = x
Cross Multiply
250x = 625 × 16
x = 625 × 16/250
x = 40 biscuits
Factor 21b + 18.
Write your answer as a product with a whole number greater than 1.
plz help
Answer:
3(7b+6)
Step-by-step explanation:
Simply find the greatest common factor between 21b and 18, which is 3. Then that's your simplest factorized expression.
If the pointer in the figure is spun twice, find the probability that the pointer lands on green (G) both spins.
Answer:
25%
Step-by-step explanation:
The bottom left and top right are each a quarter of the circle and are thus 25% each. The slivers in the middle have to add up to 50% and are all evenly sized. That means that each sliver is 50/4 or 12.5%
Since there are two green slivers, we multiply 12.5% * 2 to get 25%.
Give the general solution of the linear system x+y-2z = 0 2x + 2y - 3z = 1 3x + 3y +z = 7.
The general solution to the given linear system is x = 2t - 1, y = -t + 1, and z = t, where t represents any real number.
To find the general solution to the linear system, we can use the method of Gaussian elimination or matrix operations. Let's perform Gaussian elimination to solve this system.
First, let's write the augmented matrix for the system:
[1 1 -2 | 0]
[2 2 -3 | 1]
[3 3 1 | 7]
Using row operations, we can transform this matrix into row-echelon form:
[1 1 -2 | 0]
[0 0 1 | 1]
[0 0 0 | 0]
From this row-echelon form, we can deduce that the system is consistent and has infinitely many solutions.
To find the general solution, we can express the variables in terms of a parameter, let's say t. From the row-echelon form, we can see that z = t. Substituting this into the second equation, we find that 0t = 1, which is not possible. This indicates that the system is inconsistent. However, if we ignore the last equation and continue, we can express x and y in terms of t.
From the first equation, we have x + y - 2z = 0, substituting z = t, we get x + y - 2t = 0. Rearranging, we have x = 2t - 1 - y. This implies that x depends on y and t.
Similarly, from the second equation, we have 2x + 2y - 3z = 1, substituting z = t, we get 2x + 2y - 3t = 1. Rearranging, we have y = -t + 1 - x. This implies that y depends on x and t.
Therefore, the general solution to the given linear system is x = 2t - 1, y = -t + 1, and z = t, where t represents any real number.
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A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 40% 40 % of this population prefers the color green. If 12 12 buyers are randomly selected, what is the probability that between 5 5 and 9 9 (both inclusive) buyers would prefer green? Round your answer to four decimal places.
Answer: 60% would like another color
Step-by-step explanation:
Define: probability sample a) every possible sample of a given size has the same chance to be selected. b) the explanatory variable(s) in an experiment. c) gives each member of the population a known chance to be selected. d) successively smaller groups are selected within the population in stages. e) using extraneous factors to create similar groups. f) people who choose themselves for a sample by responding to a general appeal. g) choosing the individuals easiest to reach. h) directly holding extraneous factors constant. i) population is divided into similar groups and a SRS is chosen from each group.
Answer:
c) gives each member of the population a known chance to be selected
Step-by-step explanation:
A sample is said to be a probability sample when each and every unit of the population would have the known chance or the probability i.e. more than zero when selected in the sample
So according to the given options, it is the sample where each member have the known chance to be selected
Therefore the option c is correct
please help I give brainliest
I don't want to see link if I do you will be reported
Answer:
c(maybe?)
Step-by-step explanation:
dont give me a brainliest.
Find f¹(x) for the following function:
f(x)= 2/(x-4) +3
The inverse of the given function as required to be determined from the task content is; f-¹(x) = 2 / (x-3) + 4.
What is the inverse of the given function?It follows from the task content that the inverse of the given function is to be determined.
Given; f(x) = 2 / (x-4) +3
y = 2 / (x-4) + 3
y - 3 = 2 / (x-4)
x - 4 = 2 / (y-3)
x = 2 / (y-3) + 4.
f-¹(x) = 2 / (x-3) + 4.
Hence, the inverse of the given function as required is; f-¹(x) = 2 / (x-3) + 4.
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helpppp pleaseee????
Answer:
6.68 cm radius
Step-by-step explanation:
Which Angle has a corresponding angle of angle 6
Answer:
lines l and m are not parallel so the only angle we can say with certainty that has the same measure as angle 6 is angle 8 because they are vertical angles
Step-by-step explanation:
Which amount is largest?
1 kg
1 dg
100 g
1,000 mg
Answer:
1 kg here you go this is the answer
Hi! i need help asap!!
Answer:
4. 3/5
5. 1/12
6. 5/12
hope this helps
good day mate
Without looking, sam took a colored pencil from his case, which has 1 black, 2 red, 3 blue, 2 yellow, and 1 orange pencil. What's the probability he chose a blue one?
Answer:
3/9 or 1/3
Step-by-step explanation:
Which expression is equivalent to 5(2+7)?
Answer:
I can help you but first I need the rest of the answers to find out what's it equivalent to.
pls help asap; 40 pts
Answer:
(2.73, -0.73)