Step-by-step explanation:
MEAN=SUMOFVALUES/NUMBEROFVALUES
MEDIAN=
MODE=THEMOSTOCCURFREQUENTLY
RANGE=HIGESTVALUE-LOWESTVALUE
6 3/4 + 3 1/8 whats the answer?
Answer:
9 7/8
Step-by-step explanation:
Question 2 Read the question and type your response in the box provided. You What is the decimal value of x in the equation 7x - 2 = 5x + 3?
Answer:
2.5
Step-by-step explanation:
10.4 For the following situation. fal determine which evatuation nethod is probably the cusiese and lasitest (o apply hy hand and hy eomputer in order 10 selece from the five allematives, and (h) thst
Based on the provided question, it seems like you are asking about the most efficient evaluation method, either by hand or using a computer. To determine which method is the most suitable, you need to consider the complexity of the evaluation process and the number of alternatives.
Using a computer is generally faster and more accurate when dealing with large datasets or complex calculations. On the other hand, evaluating by hand may be more suitable for smaller datasets or simpler calculations. It can provide a more hands-on approach, allowing for a deeper understanding of the evaluation process. However, this method is generally more time-consuming and prone to human error.
To select the most appropriate evaluation method, consider the complexity of the task and the available resources. If the evaluation involves a large amount of data or complex calculations, using a computer would likely be the most efficient choice. However, if the task is relatively simple or involves a smaller dataset, evaluating by hand may suffice. In conclusion, the choice between evaluating by hand or using a computer depends on the complexity of the task and the available resources. Consider these factors to determine the most suitable method.
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help pleasee! WILL GIVE BRAINLIEST IF WORK IS SHOWN
Step-by-step explanation:
1) Find the side lengths first by the Pythagorean theorm.
2) Multiply or square that # (since its a square) to get the area
(#'s coordinate in the pictures)
Which equation has the graph shown?
Answer:
2nd answer choice
Step-by-step explanation:
Graph is increasing by 1
Select the fraction greater than 7/9. a)4/5 b)2/3 c)13/18 d)3/5
Answer:
A)4/5
Step-by-step explanation:
7/9=0.778
so you need to convert the other fractions into decimals as well. The one that's greater than 0.778 will be your answer.
a)4/5=0.8
b)2/3=0.667
c)13/18=0.722
d)3/5=0.6
The decimal that's greater than 0.778 is A=0.8 so that's the answer.
can someone help me with this problem pleaseee
Answer:
x-intercept: (-5, 0)
y-intercept: (0, -4)
Step-by-step explanation:
The x-intercept is as the name implies when the line intersects the x-axis (the horizontal axis) or when y is equal to 0. If you look at the graph it intersects the x-axis at (-5, 0). The y-intercept follows the same concept except it's when it intersects the y-intercept (vertical axis) or when x is equal to 0. If you look at the graph it, it intersects the y-axis at (-4, 0).
jana knows that the grade levels are equally distributed across the school of 1,200 students. she would like to use a chi-square test to see if the proportion of individuals in each class at the movie are also equally distributed. how many seniors would be expected at the event?
If the proportion of individuals in each class is not expected to be the same as the proportion of individuals in each grade level, then we would need additional information to determine how many seniors would be expected at the event.
To determine how many seniors would be expected at the event, we first need to find out how many students are in each grade level. Since Jana knows that the grade levels are equally distributed across the school of 1,200 students, we can divide 1,200 by the number of grade levels to get the number of students in each grade. If there are four grade levels, for example, we would divide 1,200 by 4 to get 300 students in each grade.
Next, Jana wants to use a chi-square test to see if the proportion of individuals in each class at the movie are also equally distributed. If the proportion of individuals in each class is expected to be the same as the proportion of individuals in each grade level, then we can use the number of students in each grade level to determine how many seniors would be expected at the event.
For example, if there are 300 students in each grade level and the senior class represents one-fourth of the total student population, then we would expect there to be 75 seniors at the event (300 x 1/4 = 75).
However, if the proportion of individuals in each class is not expected to be the same as the proportion of individuals in each grade level, then we would need additional information to determine how many seniors would be expected at the event.
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Show that the following transformation is not linear: T: R ^ 3 longrightarrow R^ 2 define by T(x_{1}, x_{2}, x_{3}) = (|x_{1}|, 0)
The transformation T: R^3 → R^2 defined by T(x1, x2, x3) = (|x1|, 0) is not linear transformation as it violates the additivity and homogeneity properties of linearity.
To show that the transformation T: R^3 → R^2 defined by T(x1, x2, x3) = (|x1|, 0) is not linear, we need to demonstrate that it violates at least one of the two properties of linearity, namely, additivity and homogeneity.
Additivity: T(u + v) = T(u) + T(v) for all vectors u and v in R^3.
Let u = (1, 2, 3) and v = (4, 5, 6) be two vectors in R^3. Then,
T(u) = T(1, 2, 3) = (|1|, 0) = (1, 0)
T(v) = T(4, 5, 6) = (|4|, 0) = (4, 0)
T(u + v) = T(1+4, 2+5, 3+6) = T(5, 7, 9) = (|5|, 0) = (5, 0)
However,
T(u) + T(v) = (1, 0) + (4, 0) = (5, 0)
Since T(u + v) ≠ T(u) + T(v), the transformation T is not additive and hence not linear transformation.
Homogeneity: T(cu) = cT(u) for all vectors u in R^3 and all scalars c.
Let u = (1, 2, 3) be a vector in R^3, and let c = 2 be a scalar. Then,
T(u) = T(1, 2, 3) = (|1|, 0) = (1, 0)
T(cu) = T(2, 4, 6) = (|2|, 0) = (2, 0)
However,
cT(u) = 2(1, 0) = (2, 0)
Since T(cu) ≠ cT(u), the transformation T is not homogeneous and hence not linear.
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As a company manager for the quick money business there is a 0. 40 probability that you will be promoted this year. There is a 0. 72 probability that you will get a promotion or a raise. The probability of getting a promotion and a raise is 0. 25. What is the probability of getting a raise?.
Let's write the likelihood of a promotion as P(promotion) and the likelihood of a rise as P(raise). The following details are sent to us:
P (promotion) = 0,40 P (promotion or raise) 0,72 P (promotion and raise) 0,25The inclusion-exclusion concept can be used to calculate the likelihood of receiving a rise. This rule states that the probability of two events (A or B) coming together is equal to the sum of each event's individual probabilities less the likelihood that A and B will come together.
P(promotion or raise) equals P(promotion) + P(raise) – P(promotion andraise).
By substituting the specified values, we obtain:
0.7 = 0.40 + P (b) - 0.25
We can rewrite the equation to isolate P(raise) as follows:P(raise) = 0.72-0.40+0.25
P(rise) = 0.57
The likelihood of receiving a rise is therefore 0.57, or 57%.
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In a video game, players form teams and work together to earn as many points as possible for their team. Each team can have between 2 and 4 players. Each player can score up to 20 points in each round of the game. Han and three of his friends decided to form a team and play a round. Match each expression or inequality to the quantity that it represents.
Answer:
20 times 4
Step-by-step explanation:
Han's team has 4 players.
A perfect score is the maximum possible score. Each player can score up to 20 points in each round, so 20 points is the maximum score.
If each of the 4 players scores 20 points, then the total score for the team is:
20 *4
That is the expression for the team's points.
Answer: 20*4
help pls I give brainiest
A kitten is gaining 0.6 pounds per week. the kitten is currently seven pounds. after how many weeks will the kitten be at least 10 pounds?
Write an inequality
Answer:
.6x + 7 > 10
Step-by-step explanation:
x represents the weight gained per week
According to a recent report, a sample of 360 one-year-old baby boys in the United States had a mean weight of 25.5 pounds. Assume the population standard deviation is =σ5.1 pounds.Construct a 99.5% confidence interval for the mean weight of all one-year-old baby boys in the United States. Round the answer to at least one decimal place.
The 99.5% confidence interval for the mean weight of all one-year-old baby boys in the United States is (24.8, 26.2) pounds.
We are given a sample of 360 one-year-old baby boys in the United States with a mean weight of 25.5 pounds and a population standard deviation of σ=5.1 pounds. We need to construct a 99.5% confidence interval for the mean weight of all one-year-old baby boys in the United States.
To construct the confidence interval, we can use the formula:
Confidence interval = sample mean ± (z-score)(standard error)
where the z-score is based on the confidence level and the standard error is calculated as:
standard error = σ/√n
Plugging in the given values, we get:
standard error = 5.1/√360 = 0.27 pounds
Since we want a 99.5% confidence interval, the corresponding z-score is 2.807. Therefore, the confidence interval is:
Confidence interval = 25.5 ± (2.807)(0.27) = (24.8, 26.2) pounds
We can be 99.5% confident that the mean weight of all one-year-old baby boys in the United States falls within the range of 24.8 to 26.2 pounds.
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assuming the population trend continued in the same manner, what would be a reasonable estimation for what the population of the united states was in 2010?
By using previous years' population data and calculating the annual growth rate, we can estimate the population of the United States in 2010, assuming the population trend continued in the same manner.
To estimate the population of the United States in 2010, we can use the population growth trend from previous years. Here's a step-by-step explanation:
1. Collect population data: Find the population of the United States in previous years, preferably as close to 2010 as possible. For example, we can use the population data from 2000 and 2005.
2. Calculate the annual growth rate: Subtract the population in 2000 from the population in 2005, and divide the result by the population in 2000. Then, divide the result by the number of years between the two data points (5 years in this case) to get the average annual growth rate.
3. Apply the growth rate to the 2005 population: Multiply the population in 2005 by the annual growth rate, and then add the result to the 2005 population to get an estimate of the population in 2006. Repeat this process for each subsequent year until you reach 2010.
4. The estimated population in 2010: The result of step 3 for the year 2010 will be the reasonable estimation of the population in 2010, assuming the population trend continued in the same manner.
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WILL MARK BRAINLIEST!!! PLZ HELP!!!
Answer:
median
Step-by-step explanation:
(median is used to measure the middle)
you just line up all the numbers from least to greatest, then pick the middle number, IF there are NO numbers in the middle, you add the the 2 middle numbers up, then divided by 2
Answer:
Median, because there is 1 outlier that affects the center
Step-by-step explanation:
"The median is the middle number of the data set. It is exactly like it sounds. To figure out the median you put all the numbers in order (highest to lowest or lowest to highest) and then pick the middle number. If there is an odd number of data points, then you will have just one middle number."
Please help me with this question and show your steps
Answer:
-14
Step-by-step explanation:
4n - 6 , n= -2
= 4* (-2) - 6
= -8 -6
= - 14
Which of the following would not be used to describe a slope?
steepness of a line.
ratio of rise to run of a line.
ratio of the vertical change to the horizontal change of a line.
Attempted
ratio of the horizontal change to the vertical change of a line.
The ratio of the horizontal change to the vertical change of a line would not be used to describe a slope. Thus the correct option is option C.
The slope of a line is defined as the ratio of the vertical change (rise) to the horizontal change (run) of a line.
Slope=Vertical Change/Horizontal Change
This is also represented as the "ratio of rise to run of a line".
Slope=Rise/Run
In the given question, however, option C states that the "ratio of the horizontal change to the vertical change of a line".
Horizontal Change/ Vertical Change= 1/slope
This is an incorrect statement since the ratio of the horizontal change to the vertical change of a line is the reciprocal of the correct ratio.
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The window has the shape of a kite how many square meters of glass were used to make the window
The area of glass used to make the kite shaped window is 0.08 square meters.
What is area?
An object's area is how much space it takes up in two dimensions. It is the measurement of the quantity of unit squares that completely cover the surface of a closed figure.
The longer diagonal of the kite-shaped window has a measure of 16 cm + 24 cm = 40 cm.
The shorter diagonal has a measure of 20 cm + 20 cm = 40 cm as well.
To find the area of the window, we can use the formula -
Area = (1/2) × d1 × d2
where d1 and d2 are the lengths of the longer and shorter diagonals, respectively.
Substituting the values, we get -
Area = (1/2) × 40 cm × 40 cm
Area = 800 square cm
However, the question asks for the area in square meters, so we need to convert square centimeters to square meters by dividing by 10,000 -
Area = 800 / 10,000 square meters
Area = 0.08 square meters
Therefore, the area of glass value is 0.08 square meters.
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The population distribution of SAT scores is normal with a mean of μ=500 and a standard deviation of SD=100. For example, what is the probability of randomly selecting an individual from this population who has an SAT score greater than 700?
Answer:
0.02275
Step-by-step explanation:
We use the z score formula to solve for this
z-score is given as: z = (x-μ)/σ
where x is the raw score,
μ is the population mean
σ is the population standard deviation
In the above question:
mean of μ=500
a standard deviation of SD=100
raw score x = 700
Hence, z score = (700 - 500)/ 100
= 200/100
= 2
z score = 2
Using the z score table of normal distribution to find the Probability of z = 2
P( x = z)
= P(x = 700)
= P( z = 2)
= 0.97725
P(x>700) = 1 - P(x = 700)
= 1 - 0.97725
= 0.02275
Therefore, the probability of randomly selecting an individual from this population who has an SAT score greater than 700 is 0.02275
Evaluate the expression below for p = - 2 and q = 3
(p^2q) ^3
Answer:
1728
Step-by-step explanation:
\({( {p}^{2} q)}^{3} \\ = {(( { - 2}^{2} ) \times 3)}^{3} \\ = {(3 \times 4)}^{3} \\ = ({12})^{3} \\ = 1728\)
OladipoSeun♡˖꒰ᵕ༚ᵕ⑅꒱I need help with this
Answer:
First box:
1/8 of 5, 5 x 1/8, 5 divided by 8
Second Box:
8 divided by 5, 1/5 of 8,
Third Box:
5 x 8
Step-by-step explanation:
Solve for x. Find the exact value..
7
11
X
The value of x is 6√2 unit.
We have,
Hypotenuse= 11 unit
Base= 7 unit
Using Pythagorean theorem
Hypotenuse² = Base² + Perpendicular²
Substituting the given values we get
Hypotenuse² = Base² + Perpendicular²
11²= 7² + Perpendicular²
Perpendicular² = 121 - 49
Perpendicular² = 72
Perpendicular= √72
Perpendicular= 6√2 unit
Thus, the value of x is 6√2 unit.
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What is a solution on a graph?
Answer:
The solution on a graph is the point where two lines interesect
Step-by-step explanation:
- I will give brainliest
Find the area of this shape. Include units of measure in your answer.
21 inch²
we splitthe two shapes, find the areas by multiplying the two sides and we add both of the answers, 15+6
Answer:
2(3) + 2(6) = 6 + 12 = 18 square feet
Elephants sometimes damage trees in Africa. It turns out that elephants dislike bees. They recognize beehives and avoid them. Can this information be used to keep elephants away from trees? Will elephant damage be less in trees with hives? Will empty hives even keep elephants away? Researchers want to design an experiment to answer these questions using 72 acacia trees. Identify the experimental units, treatments, and the response variable.
a) The experimental units are the Acacia Trees.
b) The treatments carried used are; active beehives, empty beehives and no single beehive.
c) The response variable is the damage that the elephants caused to the trees.
How to interpret experimental research design?Experimental design is defined as the process of carrying out research in a manner that is objective and controlled such that precision is maximized and then specific conclusions can possibly be drawn regarding a hypothesis statement. Generally, the purpose of this is to establish the effect that a factor or independent variable has on a dependent variable.
From this question, it is very clear that the experimental units are the Acacia Trees. This is because they are the primary interest or objective of the research.
The treatments carried out here are the active beehives, empty beehives and no single beehive.
The response variable is defined as the result of the experiment where the explanatory variable is manipulated. In this case, the response variable is the damage that the elephants caused to the trees.
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What is the correct classification of the system of equations below?
14x + 2y= 10
y+ 7x=-5
A.
parallel
B.
coincident
C.
intersecting
Answer:
parallel
B.
coincident
C.
intersecting
Answer:
I think it's parallel, because they have the same gradient. parallel lines always have the same gradient
A line contains the points (82, −96) and (87, −86).
What is the slope of the line in simplified form?
Answer:
The slope is 2.
Step-by-step explanation:
ΔX = X2 - X1 = 87 - 82 = 5
ΔY = Y2 - Y1 = -86 - (-96) = -86 + 96 = 10
ΔY/ΔX = 10/5 = 2/1 = 2
Raven was a writing a story. She was trying to figure out how long it would take for her to write it. If she can ride 2 2/3 pages in one hour, how many pages will she have written after 2 1/2 hours? who is correct?
Answer:
She would have written 6 2/3 pages.
Step-by-step explanation:
2 2/3 pages = 1 hour
6 2/3 pages = 2 1/2 hours
Shopkeeper compares sales of laptops in July and August
In August the price has increased by 1/3
And number sold has decreased by 2/5
What fraction does the income decrease in August
Answer: i think b
Step-by-step explanation: