Answer:
3x +5
Step-by-step explanation:
Thats it.
*prays its right*
Write this number in expanded form. 268,741
Answer:
200000+60000+8000+700+40+1
Step-by-step explanation:
268,741
2 is in the hundred thousands place 200000
2 is in the ten thousands place 60000
8 is in the thousands place 8000
7 is in the hundreds place 700
4 is in the tens place 40
1 is in the one place 1
Add these together
200000+60000+8000+700+40+1
Answer:
\((2\times100000)+(6\times10000)+(8\times 1000)+(7\times100)+(4\times10)+(1\times1)\)
Step-by-step explanation:
So we want to write 268,741 in expanded form.
To do so, first take a look at what each digit means starting from the right.
268,741
This means 1 1s.
268,741
This means 4 10s.
268, 741
This means 7 100s.
268,741
This means 8 1000s.
268,751
This means 6 10,000s.
and 268,751.
This means 2 100,000s.
Therefore, 268,741 is 2 100,000s plus 6 10,000s plus 8 1000s plus 7 100s plus 4 10s plus 1 1s.
In expression form, this would be:
\((2\times100000)+(6\times10000)+(8\times 1000)+(7\times100)+(4\times10)+(1\times1)\)
I need help figuring this out plz
Have to figure out values of x and y. pls show steps if u can
Answer:
y=60 degrees
x=90 degrees
Step-by-step explanation:
If you look at x, you can tell by it's angle that it is 90 degrees. A square has 4 sides with 90 degrees on each side, that angle is 1/4 of a square, making it a 90 degree angle, and a triangle has 3 sides, all 60 degrees, if you look at y, you can see that angle is 1/3 of a triangle, giving it a 60 degree angle.
Hope this helps!
Yousuff deposits $2,500 into a savings account that has a simple interest rate of 3.8%.
5A) How much interest will Yousuff make in one year? Show your work!
5B) How much interest will Yousuff make after 8 years? Show your work!
5C) After 8 years, how much money will Yousuff have in his account? Remember to include both the original principal money AND the interest she made.
Step-by-step explanation:
Principal = $2,500
Rate = 3.8%
5A). The interest Yousuff make in one year
Therefore Time = 1 year.
Simple interest
\( = \frac{pincipal \times time \times rate}{100 \\ } \\ = \frac{2500 \times 1 \times 3.8}{100} \\ = 25 \times 1 \times 3.8 \\ = 95 .\)
Therefore the interest Yousuff make in one year = $95.
5B). Interest Yousuff make in after 8 years
the time = 8 years
the interest
\( = \frac{pincipal \times time \times rate}{100} \\ = \frac{2500 \times 8 \times 3.8}{100} \\ = 25 \times 8 \times 3.8 \\ = 200 \times 3.8 \\ = 760 \)
Therefore the interest Yousuff make after 8 years = $760.
5C). Principal - interest that Yousuff made after 8 years.
$2500 - $ 760
= $ 1,740.
I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS
Answer:
x=17
Step-by-step explanation:
okay maybe this??
5x+5=90
subtract 5 from both sides
5x=85
divide by 5 for both sides
x=17
Imagine investigating two groups of circles: large circles that have a diameter greater than 20 cm and small circles that have diameters smaller than 20 cm. You have graphed each set of circles on the same set of axes, with the circumference on the vertical axis and the diameter on the horizontal axis. 1. Predict what the two graphs would look like. Don't do any calculations or actual measurements at this time, just draw and label your predicted graphs. 2. Which graph would be steeper? How did you decide?
The predicted graphs for large circles (diameter > 20 cm) and small circles (diameter < 20 cm) would show positive linear relationships between circumference and diameter, with the graph of large circles being steeper.
Predicted Graphs:
The graph for large circles would have a steeper slope compared to the graph for small circles, indicating a greater increase in circumference for larger changes in diameter. Both graphs would start at the origin and show a positive linear relationship, but the rate of increase in circumference would be more pronounced for the large circles.
Steeper Graph:
The decision that the graph of large circles would be steeper is based on the understanding that the circumference of a circle is directly proportional to its diameter. Since the large circles have diameters greater than 20 cm, their corresponding circumferences would increase at a faster rate compared to the small circles with smaller diameters. Therefore, the graph for the large circles would have a steeper slope, reflecting a greater change in circumference per unit change in diameter.
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find median in the following distribution
Answer:
A=2
B=2+3÷2=2.5
C=10+15÷2=12.5
D=20
find the value of X in the triangle shown below
Step-by-step explanation:
61 degree
We have 2 sides equal so we know that we have 2 angles equal180 _ 58 =122
122 is the sum of the two angles
If we divide 122 by 2 we'll get 61
Answer:
61°
Step-by-step explanation:
hope this helps! :D
Which quadratic equation has a discriminant of 0? x^2 - 12x + 38 = 0. x^2 - 4x + 4 =0.
The quadratic equation that has a discriminant of 0 is x^2 - 4x + 4 = 0.
The discriminant of a quadratic equation is calculated using the formula b^2 - 4ac, where 'a', 'b', and 'c' are the coefficients of the quadratic equation in the form ax^2 + bx + c = 0.
For the quadratic equation x^2 - 12x + 38 = 0, the coefficients are: a = 1, b = -12, and c = 38. Calculating the discriminant, we have:
Discriminant = (-12)^2 - 4(1)(38) = 144 - 152 = -8
Since the discriminant is -8, it is not equal to 0.
However, for the quadratic equation x^2 - 4x + 4 = 0, the coefficients are: a = 1, b = -4, and c = 4. Calculating the discriminant, we have:
Discriminant = (-4)^2 - 4(1)(4) = 16 - 16 = 0
Since the discriminant is 0, this is the quadratic equation with a discriminant of 0.
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Given the function defined in the table below, find the average rate of change, in simplest form, of the function over the interval 4≤x≤8.
Answer:
No Solution
Step-by-step explanation:
It's false there's no solution
which equation has the same solution as 2x^2+-16x10=0
Answer:
Your answer (x + 4)2 =-11 x + 4)2 13 x + 4)221 Correct answer.
help me with this question please
Answer:
N+1
Step-by-step explanation:
It begins with = 2
then n+1=3
then n+2=4 and so on it is n+1
11) The population of bears in a certain area
a
decreases by 3.5% each year. The
population is currently 459. What is the
estimated population in 15 years?
Answer:
Population in 15 year= 475
Step-by-step explanation:
.035x459=16
16+459=475 estimate
guys pls help me!!!!!
Answer:
1.) \(y=43; x=133\)
2.) \(x=78\)
3.) \(x=20;y=110\)
Step-by-step explanation:
Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed _____ in the m:n relationship.
Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed "once" in the m:n relationship.
What is identifiers?In C#, an identifier is a user-defined name for a program element.
Some key features regarding the identifiers are-
A namespace, class, method, variable, or interface can all be used.Identifiers are symbols that are used in code to identify a specific a program element. Types, constants, macros, and parameters are also mentioned. An identifier title should describe the meaning and application of the element to which it refers.C# is a compiled programming language with an implementation in which identifiers are really only compile-time entities. During runtime, each identifier would be referred to by the memory location and offset assigned by the compiler towards its textual identifier token. A verbatim identifier is one that begins with the letter "at the rate."To know more about identifiers, here
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Derek wants to determine the height of the top of the backbpard on the basketball goal at the playground. He places a standard 12-
inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 11 inches and
the backboard has a shadow of 7.5 feet, then about how high is the top of the backboard?
the actual height of the backboard is 8.18 feet.
What is proportion?A proportion is an equation that sets two ratios at the same value. For instance, you could express the ratio as follows: 1: 3 if there is 1 boy and 3 girls (for every one boy there are 3 girls)
Given
We have been given that Derek places a standard 12-inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10 inches. We are asked t find the height of the backboard, if the backboard has a shadow of 8.5 feet.
We will use proportions to solve our given problem as ratio between sides ruler will be equal to ratio of sides of background.
\(\frac{Actual height of ruler}{Shadow of ruler} = \frac{Actual height of black board}{Shadow of black board} \\\\\frac{12}{11} =\frac{Actual height of black board}{7.5} \\\\Actual height of black board = \frac{12}{11} * 7.5 = 8.18\\\)
Therefore, the actual height of the back-board is 8.18 feet.
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What is sample space in set?
The sample space may be limited or infinite, depending on the nature of the experiment. A sample point is a component of the sample space that symbolizes one potential experiment result.
How does sample space work?The sample space may be limited or infinite, depending on the nature of the experiment. A sample point is a component of the sample space that symbolises one potential experiment result.
The sample space is a set in probability theory that includes all potential results of a random experiment. The set of all potential outcomes or outcomes of a random experiment is referred to as a sample space. The set 1, 2, 3, 4, 5, and 6 might be the sample space, for instance, if we are rolling a die.
A sample space is a group of items that in set theory represents all potential outcomes of a random event. Depending on the situation, either a finite or infinite sample space
A sample space is a group of items that in set theory represents all potential outcomes of a random event. Depending on the nature of the experiment, the sample space may be either finite or limitless. A sample point is a component of the sample space that symbolises one potential result of the experiment. As it offers a framework for defining and computing probabilities, the sample space is a basic idea in probability theory.
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A 6 ft. 2 in. tall man is standing next to a tree that is 20 ft. tall and casts a 14 ft. shadow. How long is the shadow of the man? Do not include units. (Answer in inches)
Answer: 168 in.
Step-by-step explanation:
Feet to inches:
14ft = 168 in.
or
12 x 14 = 168.
Answer: 4 ft 3.8 inches
Step-by-step explanation:
First I converted the measurements to inches to make it easier-
Man - 74in
Tree - 240in
Tree shadow - 168in
240/168 = 74/x
x=51.8
A new law requires that 5% of an individual's income to be invested in the stock market. Your accounts show that you need to put $430 in the stock market this year. How much did you earn this year
Divide the amount you need to invest by the percentage.
430/0.05 = 8,600
You earned $8,600
Will give brainliest
Enter your answer, as a mixed number in simplest form
4 1/3÷1 2/9
Answer:
8/27
Step-by-step explanation:
This is the last question until spring break. You can answer with A or B, Both, or neither :)
Answer:
both
Step-by-step explanation:
What is the equation of a line that is perpendicular to y = x + 4 and passes through (–2,8)?
Answer:
y= -x+6
Step-by-step explanation:
G1xG2= -1
G2= -1
-1 = (y-8)
-------
(x+2)
-1 (x+2)=y-8
-x-2=y-8
-y=x+2-8
y= -x+6
Find the difference between points M(6, 16) and Z(-1, 14) to the nearest tenth.
The distance between points M(6, 16) and Z(-1, 14) is approximately 7.1 units.
We can use the distance formula to find the distance between two points in a coordinate plane. The distance formula is:
d = √((x2 - x1)² + (y2 - y1)²)
where (x1, y1) and (x2, y2) are the coordinates of the two points. Substituting the coordinates of M(6, 16) and Z(-1, 14), we get:
d = √((-1 - 6)² + (14 - 16)²) = √(49 + 4) = √53 ≈ 7.1
Therefore, the distance between points M(6, 16) and Z(-1, 14) is approximately 7.1 units.
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What is x when f(x)=0? -1.8 -1.2 0 5
Answer:
0
Step-by-step explanation:
Remember that f(x) stands for y. No number can be equal to 0 other than it self. Thus, proving that 0 is only logical answer.
f(x) = 0 → y = 0 → 0 = 0
Best of Luck!
What is a Dyscalculia?
Answer:
Dyscalculia is a learning disorder that affects a person's ability to understand number-based information and math
please cluster the following points, (18, 10), (21, 11), (22, 22), (24, 15), (26, 12), (26, 13), (27, 14), (30, 33), (31, 39), (35, 37), (39, 44), (40, 27), (41, 29), (42, 20), (44, 28), (46, 21), (47, 30), (48, 31), (49, 23), (54, 24) use the numbers as pairs of x and y values which represent their locations. all distances are measured with euclidean distance. hint: you'll probably want to code for this question, although hand tracing is not impossible.
a. Use the k-means algorithm, with
(24,15),(30,33), and(54,24) as the initial cluster centers, process the dataset until convergence, choose a method of your choice to evaluate the cluster result quality. (10pts) b. Use the agglomerative hierarchical clustering to cluster the data, use single link, complete link, and average link, respectively. Discuss the similarities and/or the dissimilarities between the 3 different link methods. (10pts)
Using the numbers to indicate their locations as pairs of x and y values. Euclidean distance is used to measure all distances.
a. Using the k-means algorithm, we can group the points into three clusters based on their initial cluster centers. The first cluster consists of the points (18, 10), (21, 11), (22, 22), (24, 15), (26, 12), and (26, 13), the second cluster consists of the points (27, 14), (40, 27), (41, 29), (42, 20), and (44, 28), and the third cluster consists of the points (30, 33), (31, 39), (35, 37), (39, 44), (46, 21), (47, 30), (48, 31), and (49, 23).
The silhouette approach, which compares how similar each point is to the points in its own cluster to the points in other clusters, can be used to assess the quality of the clusters. A high silhouette value denotes a well-clustered point, while a low silhouette value denotes a possible incorrect cluster assignment.
b. In hierarchical agglomerative clustering, we first create individual clusters for each point, which are then combined to create a single cluster that contains all of the points. Depending on how they calculate the separation between clusters, the three distinct link approaches will result in a variety of clustering outcomes.
The minimal distance between any two points in each of the two clusters is used by single link to calculate the separation between the clusters. Because it only takes into account the closest pair of points, this can lead to long, thin clusters.
The distance between the clusters is calculated using the maximum distance between any two points in the two clusters. Due to the fact that it only takes into account the farthest pair of points, this can lead to compact, spherical clusters.
The average link calculates the separation between the two clusters by averaging out all of the distances between the points in the two clusters. This takes into account all possible pairs of points and may lead to clusters with more symmetrical shapes.
In general, a single link will create clusters that are the most compact, a complete link will create clusters that are the most spherical, and an average link will create clusters that are more evenly shaped.
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Jessica goes fishing with Benny. They catch 6 trout if they split up the trout how much will each get
Answer:
6/2 = 3
Step-by-step explanation:
there are 2 people, when you divide the 6 trout by the 2 people, they will each get 3 fishes
A children's pony ride at a zoo has ponies attached to a carousel pole in the center of a circle. The diameter of a circle is 25 feet. How many feet does a pony walk to complete one trip around the circle?
A pony walks approximately 78.4 feet to complete one trip around the circular pony ride.
What is the distance around the circular pony ride?A circle is simply a closed 2-dimensional curved shape with no corners or edges.
The circumference of a circle or the distance around the circle is expressed mathematically as;
C = 2πr or C = πd
Where r is radius, d is diameter and π is constant pi ( π = 3.14 ).
The distance traveled by a pony to complete one trip around the circle is equal to the circumference of the circle.
Given that the diameter of the circle is 25 feet, we can calculate the circumference using the above formula as follows:
C = πd
C = 3.14 × 25 feet
C = 78.5 feet.
Therefore, the measure of the circumference is approximately 78.5 feet.
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State the most specific name for each figure.
7)
The most specific name for the figure is an isosceles trapezoid
How to state the most specific name for the figure.From the question, we have the following parameters that can be used in our computation:
The figure
The properties of the given figure are
A pair of parallel sidesA pair of non- parallel sides pointing towards different directionsUsing the above as a guide, we have the following:
The figure is a trapezoid
Because the nonparallel sides are congruent, then the most specific name for the figure is an isosceles trapezoid
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4.Solve -3.1s = -19.22.
A.
-59.582
B.
6.2
C.
-6.2
D.
59.582
Plzzz
Answer:
s=6.2
Step-by-step explanation:
-3.1s=-19.22
divide -19.22 by -3.1 to get s
s=6.2
A mail-order business prides itself in its ability to fill customers' orders in six calendar days or less on average. Periodically, the operations manager selects a random sample of customer orders and determines the number of days required to fill the orders. Based on this sample information, he decides if the desired standard is not being met. He will assume that the average number of days to fill customers' orders is six or less unless the data strongly suggests otherwise.
a. Establish the appropriate null and alternative hypotheses.
b. On one occasion when a sample of 40 customers was selected, the average number of days was 6.65, with a sample standard deviation of 1.5 days. Can the operations manager conclude that his mail-order business is achieving its goal? Use a significance level of 0.025.
c. Calculate the p-value for this test. Conduct the test using this p-value.
d. The operations manager wishes to monitor the efficiency of his mail-order service often. Therefore, he does not wish to repeatedly calculate t-values to conduct the hypothesis tests. Obtain the critical value so that the manager can simply compare the sample mean to this value to conduct the test.
With a significance level of 0.025 (two-tailed), we divide it by 2 to get 0.0125 for a one-tailed test.
If the p-value is less than the significance level of 0.0125, we reject the null hypothesis.
a. The appropriate null and alternative hypotheses for this scenario are as follows:
- Null hypothesis (H₀): The average number of days required to fill customers' orders is six or less.
- Alternative hypothesis (H₁): The average number of days required to fill customers' orders is greater than six.
b. To determine if the operations manager can conclude that the mail-order business is achieving its goal, we need to perform a one-sample t-test. Given a sample size of 40, an average of 6.65 days, and a sample standard deviation of 1.5 days, we can calculate the t-value and compare it to the critical value. With a significance level of 0.025 (two-tailed), we divide it by 2 to get 0.0125 for a one-tailed test.
c. To calculate the p-value for this test, we compare the t-value obtained from the sample data to the t-distribution with degrees of freedom (df) equal to the sample size minus 1 (df = 40 - 1 = 39). By finding the area under the t-distribution curve beyond the calculated t-value, we can determine the p-value. The p-value represents the probability of obtaining a sample mean at least as extreme as the observed mean, assuming the null hypothesis is true. If the p-value is less than the significance level of 0.0125, we reject the null hypothesis.
d. To obtain the critical value that the operations manager can compare the sample mean to, we need to determine the value from the t-distribution corresponding to the chosen significance level and degrees of freedom. With a significance level of 0.025 (two-tailed) and degrees of freedom of 39, we can refer to the t-distribution table or use statistical software to find the critical value. The critical value serves as a threshold, and if the sample mean exceeds this value, it provides evidence to reject the null hypothesis.
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