This is the answer - 0.02
\(- 0.02 = -\frac{1}{5}\)
If each unit on the coordinate plane represents one mile, what is the total distance the truck travels on its route?
Answer:
36.16 miles
Step-by-step explanation:
A recycling truck begins its weekly route at the recycling plant at point A, as pictured on the coordinate plane below. It travels from point A to point B, then points C, D, and E, respectively, before returning to the recycling plant at point A at the end of the day. The truck’s route is illustrated on the coordinate plane below. If each unit on the coordinate plane represents one mile, what is the total distance the truck travels on its route?
Answer:
The distance between two points X(\(x_1,y_1\)) and Y\((x_2,y_2)\) is given as:
\(|XY|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\)
From the image attached, the coordinates of the plane are:
A(-1, -1), B(1, -1), C(5, 2), D(0, 13), E(-5, 2).
The lengths are:
\(|AB|=\sqrt{(1-(-1))^2+(-1-(-1))^2}=2\ units\\ \\|BC|=\sqrt{(5-1)^2+(2-(-1))^2}=5\ units\\\\|CD|=\sqrt{(0-5)^2+(13-2)^2}=12.08\ units\\\\|DE|=\sqrt{(-5-0)^2+(2-13)^2}=12.08\ units\\\\|AE|=\sqrt{(-5-(-1))^2+(2-(-1))^2}=5\ units\)
But 1 mile = 1 unit
Total distance = |AB| + |BC| + |CD| + |DE| + |AE| = 2 + 5 + 12.08 + 12.08 + 5 = 36.16 miles
The table below shows the heights of students in a group. Student Height (in inches) A 54 B 48 C 52 D 56 E 55 What is the mean height of the students in the group? (1 point) Group of answer choices 48 inches 49 inches 52 inches 53 inches
53 inches is the mean height of the students in the group.
Given data: \(54,48,52,56,55\)
We know that mean of the heights = \(\frac{Sum of all the heights}{No. of students}\)
\(= \frac{54+48+52+56+55}{5}\)
\(= \frac{265}{5}\)
\(= 53\) inches
Thus, the mean height of the students is 53 inches
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HELLLPPPPPPPPP ILL GIVE BRAINLY LIKEESS!!!
Michael draws a card from a standard deck of 52 cards (and puts it back) 20 times.
How many times can Michael expect to draw a diamond?
Enter your answer as a number, like this: 42
Answer:
5
Step-by-step explanation:
NAAAAAA git trippen
Michael can expect to draw a diamond 5 times.
What is Probability?It is a branch of mathematics that deals with the occurrence of a random event.
The probability of drawing a diamond from a standard deck of 52 cards is 13/52 or 1/4.
Since Michael draws 20 cards with replacement, each draw is independent and follows a binomial distribution with n=20 and p=1/4.
The expected number of times Michael will draw a diamond is given by:
E(X) = n×p
= 20 × (1/4)
= 5
Therefore, Michael can expect to draw a diamond 5 times.
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PLEASE HURRY
no links please!
Answer the questions to show how Adam could find the area of the scale drawing, and then use this strategy to find the area of the electronics board.
1. What is the area of the board shown on the scale drawing? Explain how you found the area. ( 3 points)
2. How can Adam use the scale factor to find the area of the actual electronics board? remember, he used a different method than jason. ( 3 points)
3. What is the area of the actual electronics board. (4 points)
1. The area of the scale drawing is 1800 cm².
2. We can multiply the dimensions of the drawing by the scale factor of 5.
3. The area of the actual board is 45000 cm².
What are the area and perimeter of a rectangle?We know the perimeter of any 2D figure is the sum of the lengths of all the sides except the circle and the area of a rectangle is the product of its length and width.
We know, The area of a rectangle is (length×width).
1. Therefore, The area of the scale drawing is (50×36) cm².
= 1800 cm².
2. Given, The scale factor is in the ratio of 5 : 1.
Therefore, The actual length is 50×5 cm = 250 cm and the width is 180 cm.
3. The area of the actual board is 250×180 = 45000 cm².
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Use the equation Y = {/27x-54 +5.
Which is an equivalent equation of the form
y=avx-h+k
y=-273x + 2+5
y=-3x+2 +5
y=34x-2 +5
y=273/x-2 +5
Answer:
y= 34x- 2 +5 (C)
Step-by-step explanation:
The equation: y = 27x-54 +5
We are to determine an equivalent equation of the form y=avx -h+k from the options given.
From the above, av = two digit coefficient of x. Hence av is constant.
h and k are also constant.
Let's check out the option to find the equation that is in the form y=avx-h+k
a) y=-273x + 2+5
In this equation, the coefficient of x is a 3-digit number. The option is wrong.
b) y=-3x+2 +5
In this equation, the coefficient of x is a 1-digit number. The option is wrong.
c) y=34x -2 +5
In this equation, the coefficient of x is a 2-digit number.
av = 34, h= 2 and k = 5
This equation is in the form of y=avx -h+k
The option is correct.
d) y=273/x-2 +5
This equation is not in the form of y=avx -h+k
The option is wrong.
Answer:
c is correct for the first one
horizontal: 2 units right
vertical: 5 units up
stretch/compression: stretched by a factor of 3
reflection: not reflected
Step-by-step explanation:
leave a heart pls :)
Find the area of the polygon with the given vertices A(3,7), B(5,7), C(3,-7), D(5,-7)
The area of the given polygon which is a rectangle is; 28 sq. units
What is the area of the polygon with vertices?We are given the coordinates of the polygon as;
A(3,7)
B(5,7)
C(3,-7)
D(5,-7)
Now, by close inspection of the coordinates, we can tell that this polygon is a rectangle. Thus, we can deduce that;
AB = 5 - 3 = 2
CD = 5 - 3 = 2
BC = 7 + 7 = 14
AD = 7 + 7 = 14
Formula for area of a rectangle is;
A = Length * Width
A = 14 * 2
A = 28 sq. units
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raph, a
scription
of values
context.
R24
mble.
written
of a
cion,
SHIPPING The OOCL Shenzhen, one of the world's largest
container ships, carries 8063 TEUS (1280-cubic-feet containers).
Workers can unload a ship at a rate of 1 TEU every minute. The
equation y = 8063 - 60x represents the number of TEUs on the
ship y after x hours of the workers unloading the containers from
the Shenzhen.
a. Find the x- and y-intercepts and interpret their meaning in the
context of the situation.
Graph the equation by using the intercepts
Answer:
23
Step-by-step explanation:
Which is the measure of ∠B?
A) 42°
B) 138°
C) 180°
D) 218°
Answer:
A) 42
Step-by-step explanation:
Answer:
42
Step-by-step explanation:
It's A, it's less than 90 so it has of be acute
7 grade math hellp me
Answer:
P=25
Step-by-step explanation:
16-23 (if you want) :) I’m having trouble understanding how to do this.
Answer:
Hope that helps!
Step-by-step explanation:
16: -20
17:-4
18: 9
19: -11
20: -25
21: -4
22: 0
23: -34
can you please help me
A human bone is made up of 14 water and 920 minerals, and the rest is living tissue. What decimal represents the amount of a human bone that is living tissue?
A.
0.30
B.
3.30
C.
1.43
D.
0.70
In 1960, census results indicated that the age at which men in a certain region first married had a mean of 23.9 years. It is widely suspected that young people today are waiting longer to get married. We want to find out if the mean age of first marriage has increased since then. Write appropriate hypotheses Но = ____
HA = ____
The appropriate hypotheses
Н0 = μ = 23.9
HA = μ > 23.9
The first step in hypothesis testing is to state the null hypothesis (H0) and the alternative hypothesis (HA). In this case, the null hypothesis is that the mean age at which men first marry has not changed since 1960. The alternative hypothesis is that the mean age at which men first marry has increased since 1960.
H0 = μ = 23.9
HA = μ > 23.9
If the sample mean age is significantly greater than 23.9 years, we would reject the null hypothesis and conclude that there has been an increase in the mean age at which men first marry in the region since 1960.
If the sample mean age is not significantly greater than 23.9 years, we would fail to reject the null hypothesis and conclude that there is not enough evidence to suggest that the mean age at which men first marry has increased since 1960.
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A triangle is inscribed in a rectangle if each vertex of the triangle lies on a side of or at a vertex of the rectangle. This diagram shows shaded triangle ACE inscribed in rectangle ABDE. Find the number of square units in the area of shaded triangle ACE, if the area of the rectangle is 13.5 square units. NEED QUICKLY
Answer:
6.75
Step-by-step explanation:
So basicly we know the area of the rectangle which really helpful.
So lets take the formula of the are for the triangle, which is b*h*1/2
So we know that the height and bass of the triangle is the same as the rectangle's legnth and width.
Meaning that we can replace b*h with 13.5.
So plug that into the quation.
13.5*1/h= Area of ACE
6.75= Area of ACE
hence, 6.75 is your answer
The area of the triangle ACE is; 6.75 square units.
According to the question; a triangle is inscribed in a rectangle with each vertex of the triangle lieing on a side of or at a vertex of the rectangle.
From the statement above, it is evident that the triangle in question covers half the area occupied by the rectangle.In essence, to find the number of square units in the area of shaded triangle ACE,
We have to divide the area of the rectangle by 2.
Therefore, the area of the triangle ACE is;
6.75 square units.
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Simplify: 5m (5m^4 + 5m^2 -4)
PLS HELP!!!
I HAVE THE ANSWER!
I ONLY NEED TO SHOW THE WORK
Find the value of x by using the exterior angle theorem.
Answer: B
Sakura speaks 150 words per minute on average in Hungarian, and 190 words per minute on average in Polish. She once gave cooking instructions in Hungarian, followed by cleaning instructions in Polish. Sakura spent 5 minutes total giving both instructions, and spoke 270 more words in Polish than in Hungarian.
How long did Sakura speak in Hungarian, and how long did she speak in Polish?
Sakura spoke for _____ minutes in Hungarian and for _____ minutes in Polish.
Which of the following numbers is a factor of 78?
.7
.4
.6
.9
PLEASE ANSWER AS SOON AS POSSIBLE!
Answer:
6
Step-by-step explanation:
If you divide 78 by all of the numbers, only one, 6, is a whole number, making it the only factor. You can check this by multiplying 6 by 13, (you get 13 from the division) and you get 78.
I hope this helps!
lenny is reading a novel for his english class. he has read 168 pages of the 480 pages. what percent of the book has he read?
a- What are the different logs used to obtain porosity? Explain the principles of measurement, quantity measured and its relation to porosity. Illustrate with equations and/or sketches.
Different logs measure different physical properties of the formation that are related to porosity, and the relationship between the log measurement and porosity can be expressed through equations.
The different logs used to obtain porosity and their principles of measurement, quantities measured, and relation to porosity.
There are three main types of logs used to obtain porosity: neutron logs, density logs, and sonic logs.
Neutron logs: These logs measure the hydrogen content in a formation, which is directly related to porosity. The tool emits neutrons that interact with hydrogen atoms, and the resulting gamma rays are measured. The count rate decreases with increasing porosity. The neutron log can be expressed as:
Porosity = (neutron log reading - matrix reading) / (fluid reading - matrix reading)
Density logs: Density logs measure the bulk density of a formation, which can be related to porosity. The tool emits gamma rays that interact with the formation, and the scattered gamma rays are measured. The bulk density decreases with increasing porosity. The density log can be expressed as:
Porosity = (matrix density - bulk density) / (matrix density - fluid density)
Sonic logs: Sonic logs measure the travel time of sound waves through a formation, which can be related to porosity. The tool sends an acoustic wave and measures the time it takes to travel a specific distance. The travel time increases with increasing porosity. The sonic log can be expressed using Wyllie's time-average equation:
Porosity = (sonic log reading - matrix reading) / (fluid reading - matrix reading)
In summary, neutron logs measure hydrogen content, density logs measure bulk density, and sonic logs measure travel time of sound waves. These measurements can be used to calculate porosity using the respective equations provided.
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Question is inside of the picture. Please answer fast. Ill give brainliest if answer correct thank you
The value of Sin(a + b) = \(-\frac{3+4\sqrt{15} }{20}\) and value of
Cos (a -b) = 119/400
Given,
In the question;
Sin(a) = 1/4 and cos(b) = -3/5
with a and b both in the interval [\(\frac{\pi }{2} ,\pi\))
To find the sin(a + b) and cos (a - b)
Now, According to the question:
We know that :
Sin (b) = \(\sqrt{1-cos^2b}\) = 4/5
Cos (a) = - \(\sqrt{1-sin^2a} = - \frac{\sqrt{15} }{4}\)
∴ Sin(a + b) = Sin(a) Cos(b) + Cos(a) Sin(b)
Sin(a + b) = 1/4. (-3/5) + \(-(\frac{\sqrt{15} }{4} )\) . 4/5
Sin(a + b) = \(-\frac{3+4\sqrt{15} }{20}\)
∴ Cos (a -b) = \(cos^2a -sin^2b\)
Cos (a -b) = \((-\frac{\sqrt{15} }{4} )^2\) - \((\frac{4}{5} )^2\)
Cos (a -b) = 119/400
Hence, The value of Sin(a + b) = \(-\frac{3+4\sqrt{15} }{20}\) and value of
Cos (a -b) = 119/400 .
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Solve for a.
5.4 = a - (-1.8)
a =
Answer:
A = 3.6
Step-by-step explanation:
5.4 = a - (-1.8)
5.4 = a + 1.8
subtract 1.8 from both sides
3.6 = a
Hope this helps. Pls give brainliest.
Answer:
a = 3.6
Step-by-step explanation:
5.4=a−(−1.8)
Step 1: Simplify both sides of the equation.
5.4=a+1.8
Step 2: Flip the equation.
a+1.8=5.4
Step 3: Subtract 1.8 from both sides.
a+1.8−1.8=5.4−1.8
a=3.6
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Answer:
Step-by-step explanation:
According to a center for disease control, the probability that a randomly selected person has hearing problems is 0. 1530. 153. The probability that a randomly selected person has vision problems is 0. 830. 83. Can we compute the probability of randomly selecting a person who has hearing problems or vision problems by adding these probabilities? Why or why not?
(A) No, because hearing problems and vision problems are events that are too similar to one another.
(B) No, because hearing and vision problems are not mutually exclusive. So, some people have both hearing and vision problems. These people would be included twice in the probability.
(C) Yes, because this is an application of the Addition Rule for Disjoint Events.
(D) Yes, because hearing and vision are two different senses, and therefore, they are two unique problems
The probability of randomly selecting a person who has hearing problems or vision problems cannot be computed by simply adding the probabilities of each individual problem. The correct answer is (B) No, because hearing and vision problems are not mutually exclusive.
To understand why we cannot add the probabilities, let's consider a simple example.
Let's say we have 100 people. According to the given probabilities, 15.3% of them have hearing problems, which means approximately 15 people have hearing problems. Similarly, 83% of them have vision problems, which means approximately 83 people have vision problems.
If we were to add these probabilities, we would assume that the total number of people with hearing or vision problems is 15 + 83 = 98. However, some individuals may have both hearing and vision problems, and if we count them twice, we would be overestimating the total number of people with hearing or vision problems.
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Condense
2loga(4)+3loga(X-4)loga(4)
Log(x+3)+log(x-3)
Answers should be log a x^3/16 and log (x^2-9)
SHOW WORK
URGENT
The steps to condensing the expressions
2loga(4)+3loga(X-4)loga(4)
Log(x+3)+log(x-3) is given below.
To condense the expressions, we can apply the properties of logarithms. Here are the condensed forms of the given expressions.
2loga (4) + 3loga(X - 4) - loga 4 )
By using the product and quotient rules of logarithms, we can simplify this expression as follows
2 loga( 4) + 3 loga( X-4) - log a(4)
= loga(4 ²) + loga((X-4)³) - loga (4) = loga (16 ) + loga((X-4)³) - loga (4)
Combining the logarithms using the power rule and quotient rule we have
= loga(16(X-4)³/4)
log(x+3) + log (x-3)
By using the product rule of logarithms, we can combine these logarithms
log (x +3) +log (x - 3) = log ((x +3 )(x -3 ))
Simplifying further, we get
= log (x² - 9 )
So this means that the condensed forms of the given expressions are
2loga( 4) + 3loga(X -4) - loga (4) = loga(16 (X-4) ³/4)
log (x+ 3) + log(x- 3) = log(x² - 9)
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Which statements comparing the functions are true? Select
three options.
Only f(x) and h(x) have y-intercepts.
Only f(x) and h(x) have x-intercepts.
The minimum of h(x) is less than the other minimums.
The range of h(x) has more values than the other ranges.
The maximum of g(x) is greater than the other maximums.
Answer:
B, C and E
Step-by-step explanation:
Given
See attachment for table
Required
Select two correct options
Checking the greatest maximum
The maximum of each function is:
\(f(x) = 14\)
\(g(x) = 49\)
\(h(x) = 0\)
Compare these three values, we have:
\(g(x) > f(x) > h(x)\)
Because:
\(49 > 14 > 0\)
This means that g(x) has the greatest maximum --- option E
Checking the x intercept
When a function equals 0, then it has an x intercept
Of the three functions, we have:
\(f(0) = 0\)
\(h(0) = 0\)
g(x) do not equal 0, at all
This means that only f(x) and h(x) have x intercept --- option B
Checking the least maximum
The minimum of each function is:
\(f(x) = -14\)
\(g(x) = \frac{1}{49}\)
\(h(x) = -28\)
Compare these three values, we have:
\(h(x) < f(x) < g(x)\)
Because:
\(-28 < -14 < \frac{1}{49}\)
This means that h(x) has the least minimum --- option C
Systematic sampling and cluster sampling are examples of which type of sampling method used in human research
Systematic sampling and cluster sampling are examples of probability sampling methods used in human research. These methods are employed to ensure that each participant in the population has a known, non-zero chance of being selected, which helps in obtaining representative samples and drawing more accurate conclusions.
Systematic sampling and cluster sampling are both examples of probability sampling methods used in human research.
Probability sampling methods involve randomly selecting participants from a larger population, giving each individual an equal chance of being selected.
Systematic sampling involves selecting every nth participant from a list of the population, while cluster sampling involves dividing the population into clusters or groups and then randomly selecting entire clusters to include in the study.
These methods are considered to be more representative and unbiased than non-probability sampling methods, which do not involve random selection and may not accurately reflect the characteristics of the population.
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A high school soccer team has 3 freshmen, 4 sophomores, 6 juniors, and 7 seniors. Two random players will be chosen by the coach to lead the warm up. What is the probability that the coach will select a sophomore then a senior?
A. 7/95
B. 7/100
C. 4/75
the shapes below are drawn on a centimeter grid, show that the triangle and the square have the same area.
Answer:
Area_square = 4 cm2
Area_triangle = 4 cm2
Step-by-step explanation:
The first thing to do is calculate the area of both figures.
The area of the square is given by:
Area_square = side * side
The side of the square is 2 cm, so:
Area_square = 2 * 2 = 4 cm2
The area of the triangle is given by:
Area_triangle = base * height / 2
The base is 2 cm, and the height is 4 cm, so we have:
Area_triangle = 2 * 4 / 2 = 4 cm2
So we have that Area_square = Area_triangle = 4 cm2
Solve the equation t=r+7kw attempted this problem 4 times. all recorded score is 0%. unlimited attempts remaining
Answer:
Solving equations requires a systematic approach, attention to detail, and understanding of the underlying principles.
If you attempted the problem four times and all recorded scores were 0%, it suggests that your attempts did not yield the correct solution. To solve the equation t = r + 7kw, we need to have specific values or information about the variables involved. Without any additional details, it is not possible to provide a numerical solution.
To improve your chances of solving the equation successfully, consider the following steps:
Review the equation: Make sure you understand the structure and the relationship between the variables. In this case, t is equal to the sum of r and 7 times the product of k and w.
Check for errors: Review your calculations and ensure there are no mistakes in your algebraic manipulations. Double-check your arithmetic operations and signs.
Seek assistance: If you're having difficulty solving the equation, consider reaching out for help. Consult a teacher, tutor, or someone knowledgeable in the subject matter. They can guide you through the problem-solving process and clarify any misunderstandings.
Practice and persistence: Continue practicing similar equations to improve your problem-solving skills. Persistence and practice are key to mastering mathematical concepts.
Remember, solving equations requires a systematic approach, attention to detail, and understanding of the underlying principles. Keep practicing and seeking assistance, and you will improve your problem-solving abilities over time.
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Answer:
Solving equations requires a systematic approach, attention to detail, and understanding of the underlying principles.
If you attempted the problem four times and all recorded scores were 0%, it suggests that your attempts did not yield the correct solution. To solve the equation t = r + 7kw, we need to have specific values or information about the variables involved. Without any additional details, it is not possible to provide a numerical solution.
To improve your chances of solving the equation successfully, consider the following steps:
Review the equation: Make sure you understand the structure and the relationship between the variables. In this case, t is equal to the sum of r and 7 times the product of k and w.
Check for errors: Review your calculations and ensure there are no mistakes in your algebraic manipulations. Double-check your arithmetic operations and signs.
Seek assistance: If you're having difficulty solving the equation, consider reaching out for help. Consult a teacher, tutor, or someone knowledgeable in the subject matter. They can guide you through the problem-solving process and clarify any misunderstandings.
Practice and persistence: Continue practicing similar equations to improve your problem-solving skills. Persistence and practice are key to mastering mathematical concepts.
Remember, solving equations requires a systematic approach, attention to detail, and understanding of the underlying principles. Keep practicing and seeking assistance, and you will improve your problem-solving abilities over time.
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