\(\color{Black}\huge{Answer} \)
we can describe the position of an object, by using reference point called the origin.A pool can hold 598 gallons of water and is being filled at the rate shown. How many more minutes, m, can water continue to flow into the pool before it overflows? Write and solve an inequality.Filling rate of 15.75 gallons per minute.
The inequality can be written as
\(598\ge15.75m\)So, the water can continue to overflow till m minutes.
\(\begin{gathered} 598\ge15.75m \\ \text{Divide both sides by 15.75} \\ 37.96\ge m \\ 38\ge m \end{gathered}\)We approximated the 37.96 minutes to 38 minutes.
So, near to 38 minutes the water can flow.
Problem solving visual pattern, please help me! Youd be a life saver
suppose that a product is designed to function for 10,000 hours with a 3% chance of failure. find the average number of failures per hour and the mttf.
A product is designed to function for 10,000 hours with a 3% chance of failure , then Average number of failures per hour = 0.03/10000 = 0.000003 and MTTF = 1/0.000003 = 333,333 hours
Given,
Chance Product is designed to function for 10,000 hours
of failure is 3%
To find,
Average number of failures per hour
MTTF
Solution,
Average number of failures per hour = Chance of failure/Total hours of function
= 3%/10000
= 0.03/10000
= 0.000003
MTTF = 1/Average number of failures per hour
= 1/0.000003
= 333,333 hours
The product is designed to function for 10,000 hours with a 3% chance of failure. This means that the average number of failures per hour is 0.000003 and the Mean Time To Failure (MTTF) is 333,333 hours. This means that, on average, the product should last 333,333 hours before it fails.
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The quadratic functions f(x) and g(x) are described in the table. x f(x) g(x) −2 4 36 −1 1 25 0 0 16 1 1 9 2 4 4 3 9 1 4 16 0 5 25 1 6 36 4 In which direction and by how many units should f(x) be shifted to match g(x)? Left by 4 units Right by 4 units Left by 8 units Right by 8 units
Left by 4 units is the right response.
The table gives details on the quadratic functions f(x) and g(x). As the values for each x are different, it is clear from the table that f(x) and g(x) are not identical to one another. One of the functions needs to be adjusted in order to match f(x) and g(x).
It is clear from looking at the table that f(x) has to be moved to the left by 4 units in order to match g(x).
This can be calculated by subtracting the g(x) values from the f(x) values for each x.
For example, at x = -2, the difference between f(x) and g(x) is -32.
This difference is the same for all x values, meaning that f(x) must be shifted left by 4 units to match g(x). Thus, the correct answer is Left by 4 units.
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what is the general relationship, if any, between the sample size and the margin of error?
The general relationship between the sample size and the margin of error is that they are inversely proportional.
As the sample size increases, the margin of error decreases, and vice versa. In other words, a larger sample size leads to a smaller margin of error, providing more accurate and reliable results. This occurs because larger samples are more likely to represent the entire population, reducing the chance of random sampling errors.
Conversely, a smaller sample size may not fully represent the population, leading to a higher margin of error and less accurate results. In conclusion, to obtain more precise and reliable findings, it's essential to choose an appropriate sample size that minimizes the margin of error while considering factors like population size, variability, and desired confidence level.
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Find the equation of the line
The equation of the line is y = -3x + 16
What is the equation of a line?The general equation of a line is expressed as;
y = mx + c
Given that;
y is a point on the y-axism is the slope of the linex is a point on the x -axisc is the intercept of the line on the y-axisFrom the diagram shown, the coordinates of the line is expressed as;
(3, 7) and (2.5, 3)
The intercept. c = -3
Substitute the values
7 = -3(3) + c
expand the bracket
7 = -9 + c
collect like terms
c = 7 + 9
c = 16
The equation of the line is then given as;
y = -3x + 16
Hence, the equation is y = -3x + 16
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An old bridge consists of a 350 ft. wood bridge on the left, followed by 1200 ft. of a modern metal bridge, closed out by another 350 ft. wood bridge on the right. The wood is starting to rot so the city has decided they will The geometric representation of the product of two numbers, m, and n, is the area of a rectangle whose sides are of lengths m and n. However, the edges of that rectangle are line segments. What could someone do if they wanted the product of two line segments to be represented as another line segment?
If someone wants the product of two line segments to be represented as another line segment, they can make use of similar triangles
How to know what to doThe correlation between the lengths of line segments can be established by creating a geometric shape comprising of two triangles that are identical and share one side.
If the legs of the triangles are used to represent the two line segments and their shared side represents the resulting line segment, it is possible for the lengths to be proportional through the similarity of the triangles.
To represent the product of the two original line segments, it is necessary to ensure that they and the resulting line segment are a collection of similar triangles. This is because the length of the resulting line segment can represent the product of the initial segments.
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4x^3 +35 = 21
How do I solve this equation?
Step-by-step explanation:
if you did not make any typos, then the equation is
4x³ + 35 = 21
well, you know how that is with solving equations : let's bring all terms with variables on one side, and all constant terms to the other side.
so, as first step we eliminate the + 35 on the left side by subtracting 35 on both sides :
4x³ = 21 - 35 = -14
next, we eliminate the multiplication factor 4 by dividing both sides by 4 :
x³ = -14/4 = -3.5
and now we pull the cubic root
\(x = \sqrt[3]{ - 3.5} \)
x = -1.518294486...
in contrast to square roots it is not a problem for cubic roots to have negative arguments, because a negative number to the power of 3 is again negative.
-a³ = -a×-a×-a = a²×-a = -a³
Answer:
-\(-\sqrt[3]{\frac{7}{2}}\)
Step-by-step explanation:
\(4x^{3}+35=21\)
\(4x^{3}=21-35\)
\(4x^{3}=-14\)
\(x^{3}=-\frac{14}{4}\) → \(-\frac{7}{2}\)
\(x=-\sqrt[3]{\frac{7}{2}}\)
A force of 75N is applied to a nutcracker to crack open a walnut. If the mechanical advantage of a nutcracker is 3.5, what is the force the nutcracker applies to the walnut?
Given: 75N force on nutcracker, 3.5 force on walnut
Find: Mechanical Advantage
Answer:
21N
Step-by-step explanation:
M. A = WORK OUTPUT ÷ WORK INPUT
Where M. A = 3.5 AND WORK OUTPUT = 75N
WORK INPUT = WORK(FORCE) OUTPUT ÷ M. A
= 75 ÷ 3.5 = 21.428
THEREFORE FORCE THE NUTCRACKER APPLIES TO THE WALNUT = 21.428 = Approx as 21N
Given: 75N force on nutcracker, 3.5 force on walnut
Using formula M. A = WORK OUTPUT ÷ WORK INPUT where M. A is not given W. O = 75N and W. I = 3.5N
75÷ 3.5 = 21N
The force the nutcracker applies to the walnut is approximately 262.5 N.
What is force?The word 'force' has a precise meaning. At this level, it is completely appropriate to describe a force as a push or a pull. A force is not something that an object contains or 'has in it'. A force is exerted on one object by another. The idea of a force is not limited to living things or non-living things.
here, we have,
we know that,
Vectors can symbolize force because they have both magnitude (size or strength) and direction. Gravity, friction, tension, and normal force are all examples of ubiquitous forces. Newton's laws of motion, which relate an object's motion to the forces acting on it, can be used to explain the effects of forces.
In this case, the input force is the force applied to the nutcracker, and the output force is the force applied by the nutcracker to the walnut.
MA = output force/input force
Rearranging this equation, we get:
output force = MA x input force
Substituting the given values, we get:
output force = 3.5 x 75 N
output force = 262.5 N (rounded to one decimal place)
Therefore, the force the nutcracker applies to the walnut is approximately 262.5 N.
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A study that examines the relationship between eating citrus fruit and getting cold sores finds a relative risk of 1.89 with a p value of 0.047. The results indicate:
Individuals who eat citrus fruit are significantly more likely to develop cold sores
There is not a significant relationship from eating citrus fruit and developing cold sores
Eating citrus fruit is a significant protective factor for developing a cold sore
If individuals have a cold sore and eat citrus fruit they can get better significantly faster
Individuals who eat citrus fruit are significantly more likely to develop cold sores.
Given,
Relative risk = 1.89
p value = 0.047
Here,
This p-value is less than the alpha value or level of significance of 0.05 or 5%, so we reject the null hypothesis and concludes that relative risk is statistically significant.
\(H_{0} \\\) : Null hypothesis is rejected.
This means, in context of given example, Individuals who eat citrus fruit are significantly more likely to develop cold sores.
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A baker regularly uses flour to make pastries for the bakery at the beginning of the month of the Baker has a 25 pound bag of flour. Each week she uses 5 3/5 pounds of flour write an expression to represent the change in weight of the bag of flour over four weeks
Answer:
At the beginning, she has 25lb of flour.
Each week, she ses (5 + 3/5) pounds of flour.
Then after the first week, she has a total of:
W(1) = 25lb - (5 + 3/5)lb
After another week, she has:
W(2) = 25lb - (5 + 3/5)lb - (5 + 3/5)lb = 25lb - 2*(5 + 3/5)lb
and so on.
if x represents the number of weeks, the equation is:
W(x) = 25lb - x*(5 + 3/5)lb
where x can be {0, 1, 2, 3, 4}
That is the equation that represents the change in the weight for the first four weeks.
A line passes through the points (-3,0) and (2,5). Find its equation in general
form.
rewrite the following expression in terms of exponentials and simplify the result as much as you can.
The simplified form of the function is 3/2 [\(x^{5} - 1/x^{5}\)] .
Given,
f(x) = 3sinh(5lnx)
Now,
sinhx = \(e^{x} - e^{-x} / 2\)
Substituting the values,
= 3sinh(5lnx)
= 3[ \(e^{5lnx} - e^{-5lnx}/2\) ]
Further simplifying,
=3 \([e^{lnx^5} - e^{lnx^{-5} } ]/ 2\)
= 3[\(x^{5} - x^{-5}/2\)]
= 3/2[\(x^{5} - x^{-5}\)]
= 3/2 [\(x^{5} - 1/x^{5}\)]
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Complete question :
f(x) = 3sinh(5lnx)
students in an ap statistics class were asked how many hours of television they watch per week (including online streaming). this sample yielded an average of 4.73 hours, with a standard deviation of 4.11 hours. is the distribution of number of hours students watch television weekly symmetric? if not, what shape would you expect this distribution to have? explain your reasoning.
Based on the information provided, it is likely that the distribution of the number of hours students watch television weekly is not perfectly symmetric and might have a slight right-skew.
To determine if the distribution of the number of hours students watch television weekly is symmetric, we can consider the characteristics of the average and the standard deviation.
In a symmetric distribution, the mean (average) and the median are equal, and the data values are distributed evenly on both sides of the mean. Additionally, the standard deviation provides information about the spread of the data.
Given that the average number of hours is 4.73 hours, it suggests that the distribution is not perfectly symmetric. If the distribution were symmetric, we would expect the mean and the median to be very close or equal. However, we cannot conclude definitively without further information about the median.
To determine the shape of the distribution, we can look at the standard deviation of 4.11 hours. A larger standard deviation indicates a wider spread of data points around the mean.
Based on the information provided, it is likely that the distribution of the number of hours students watch television weekly is not perfectly symmetric and might have a slight right-skew. This means that there may be a concentration of data points towards the lower end of the distribution, with a tail extending towards higher values.
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Using significance figures rules and propagation of random error rules only (i.e., do not report your answer using the convention for reporting measurements!), evaluate the value of y,ey (the absolute uncertainty), %ey (the percent relative uncertainty) for the following calculations. Be sure to show each step of your calculation and use the subscript notation for denoting non-significant figures. a. 9.48(±0.10)×8.47(±0.05)−0.18(±0.06) (Answer: 80.1(±0.97),80.1(±1.2%)) b. (5.54(±0.08))0.5 (Answer: 2.35(±0.02),2.35(±0.9%)) c. log(3.24(±0.06)) (Partial answer: 0.510(±0.008)) d. 103.24(±0.02) (Partial answer: 1.7×103(±0.08×103)=1.7(±0.08)×103) e. 0.20164(±0.00008)×105+1.233(±0.002)×102+4.61(±0.01)×101 (Partial answer: 203.33(±0.08)×102)=20333(±8)) f. (6.14(±0.05)1/3 (Partial answer: 1.83(±0.005)
The value of y is approximately 1.83(±0.005).
a. 9.48(±0.10)×8.47(±0.05)−0.18(±0.06)
Step 1: Calculate the value of the expression:
9.48 × 8.47 - 0.18 = 80.1138
Step 2: Calculate the absolute uncertainty (ey):
ey = |0.10 × 8.47| + |0.05 × 9.48| + |0.06| = 0.847 + 0.474 + 0.06 = 1.381
Step 3: Calculate the percent relative uncertainty (%ey):
%ey = (ey / 80.1138) × 100 = (1.381 / 80.1138) × 100 = 1.726%
Therefore, the value of y is 80.1(±0.97) and the percent relative uncertainty is 80.1(±1.2%).
b. (5.54(±0.08))^0.5
Step 1: Calculate the value of the expression:
(5.54)^0.5 = 2.3503
Step 2: Calculate the absolute uncertainty (ey):
ey = |0.08 / (2 × 5.54^0.5)| = 0.008
Step 3: Calculate the percent relative uncertainty (%ey):
%ey = (ey / 2.3503) × 100 = (0.008 / 2.3503) × 100 = 0.34%
Therefore, the value of y is 2.35(±0.02) and the percent relative uncertainty is 2.35(±0.9%).
c. log(3.24(±0.06))
Step 1: Calculate the value of the expression:
log(3.24) ≈ 0.510
Step 2: Calculate the absolute uncertainty (ey):
ey = |0.06 / 3.24| ≈ 0.018
Therefore, the value of y is approximately 0.510(±0.008).
d. 10^3.24(±0.02)
Step 1: Calculate the value of the expression:
10^3.24 ≈ 1.7 × 10^3
Step 2: Calculate the absolute uncertainty (ey):
ey = |0.02 × 10^3.24| ≈ 0.08 × 10^3 ≈ 8
Therefore, the value of y is approximately 1.7(±0.08) × 10^3.
e. 0.20164(±0.00008)×10^5 + 1.233(±0.002)×10^2 + 4.61(±0.01)×10^1
Step 1: Calculate the value of the expression:
0.20164 × 10^5 + 1.233 × 10^2 + 4.61 × 10^1 = 20333
Step 2: Calculate the absolute uncertainty (ey):
ey = |0.00008 × 10^5| + |0.002 × 10^2| + |0.01 × 10^1| = 8 + 0.002 + 0.1 = 8.102
Therefore, the value of y is 20333(±8).
f. (6.14(±0.05))^(1/3)
Step 1: Calculate the value of the expression:
(6.14)^(1/3)
≈ 1.829
Step 2: Calculate the absolute uncertainty (ey):
ey = |0.05 / (3 × 6.14^(2/3))| ≈ 0.005
Therefore, the value of y is approximately 1.83(±0.005).
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the sample correlation coefficient can be a positive value, a negative value, or zero. T/F
The sample correlation coefficient can indeed be a positive value, a negative value, or zero.
The sample correlation coefficient measures the strength and direction of the linear relationship between two variables in a sample. It is denoted by the symbol "r" and can take values ranging from -1 to 1. A positive correlation coefficient indicates a direct relationship between the variables, meaning that as one variable increases, the other tends to increase as well.
On the other hand, a negative correlation coefficient indicates an inverse relationship, where as one variable increases, the other tends to decrease. A correlation coefficient of zero signifies no linear relationship between the variables, indicating that changes in one variable are not associated with changes in the other. Therefore, depending on the data, the sample correlation coefficient can be positive, negative, or zero, reflecting the nature of the relationship between the variables under consideration.
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use the unit circle to find the exact value of the trig function cos(210)
Answer:
Step-by-step explanation:
cos(210)=cos(180+30)=-cos 30
\(=-\frac{\sqrt{3} }{2}\)
The variable f varies inversely as the square root of g. When f = 4, g = 4. Jordan’s work finding the value of f when g = 100 is shown: f = k 4(4) = k 16 = k f = 16 f = 16 10f = 16 f = 1.6 What is the first error, if any, in Jordan’s work?
Variation can be direct, inverse or jointly
Jordan's first error is that he incorrectly calculated the value of proportionality constant
From the question, we understand that f varies directly as the square root of g.
This variation is represented as:
\(\mathbf{ f\ \alpha\ \frac{1}{\sqrt{g}}}\)
Express as a equation
\(\mathbf{ f\ \ =\ k\frac{1}{\sqrt{g}}}\)
When f = 4, k = 4.
So, we have:
\(\mathbf{ 4\ \ =\ k\frac{1}{\sqrt{4}}}\)
\(\mathbf{ 4\ \ =\ \frac{k}{2}}\)
Multiply both sides by 2
\(\mathbf{ k = 8}\)
When g = 100, we have:
\(\mathbf{ f\ \ =\ k\frac{1}{\sqrt{g}}}\)
\(\mathbf{ f\ \ =\ 8 \times \frac{1}{\sqrt{100}}}\)
\(\mathbf{ f\ \ =\ 8 \times \frac{1}{10}}\)
\(\mathbf{ f\ \ = 0.8}\)
This means that, Jordan incorrectly calculated the value of proportionality constant
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In a class of 26 students, 8 have a brother and 6 have a sister. There are 2 students
who have a brother and a sister. What is the probability that a student chosen
randomly from the class has a brother?
Answer:
12
Step-by-step explanation:
because if we add 8+6 is 14-26=12
The answer needs to be a mixed number, please help me with this.
The perimeter of the given triangle in mixed fraction form is 4 1/2 ft.
What is triangle?A triangle is a closed, 2-dimensional shape with three straight sides and three angles. The sum of the interior angles of a triangle is always 180 degrees. There are many types of triangles, including equilateral triangles (all sides and angles are equal), isosceles triangles (two sides and two angles are equal), scalene triangles (no sides or angles are equal), right triangles (one angle is a right angle, or 90), and obtuse triangles (one angle is greater than 90). Triangles are used in many areas of mathematics, science, and engineering.
Here,
The perimeter of the triangle:
=2 1/8+5/6+1 3/4
First, we need to convert all the mixed numbers into improper fractions:
2 1/8 = 17/8
5/6 = 10/16 = 15/24
1 3/4 = 7/4
Now we can add the three fractions:
17/8 + 15/24 + 7/4
To add these fractions, we need to find a common denominator. The smallest number that all three denominators divide into is 24. So we can rewrite the fractions with 24 as the denominator:
17/8 = 51/24
15/24 (already in the correct form)
7/4 = 42/24
Now we can add the numerators:
51/24 + 15/24 + 42/24 = 108/24
We can simplify this fraction by dividing both the numerator and denominator by their greatest common factor, which is 12:
108/24 = (9 × 12)/(2 × 2 × 2 × 3) = 9/2
=4 1/2 ft
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2x+y=10
x-intercept?______
y-intercept?______
have to show work
Answer:
y = 10-2x
Step-by-step explanation:
2x+y=10
y=10-2x
Settle city charges $15 plus 5 per month for unlimited text messages text turf
charges $30 plus $10 per month for the same plan how many months can you take from here to company and pay the same price
The month for the same plan to be the same for Settle City and Text Turf is 3 months.
How to illustrate the information?It should be noted that Settle city charges $15 plus 5 per month for unlimited text messages text turf. This will be represented as 15 + 5m
It should be noted that when they charge $30 plus $10 per month for the same plan, this will be represented as 30 - 10m
It should be noted that m = number of months.
It should be noted that the number of months that you can take from here to company and pay the same price will be:
15 + 5m = 30 + 10m
15 - 30 = 10m - 5m
-15 = 5m
m = -15 / 5
m = -3
The value can't be negative. The information isn't properly written. It should give a positive value of 3.
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If f (x) = -3x - 2, find f (3).
Answer:
f(-3) = |(-3)-2| = |-5| = 5
Suppose that a phone that originally sold for $800 loses 3/5 of its value each year after it is released.
Write an equation for the value of the phone, p, t years after it is released. Use ^ to denote exponents.
Answer:
\(p = 800 \frac{2}{5} ^{T}\)
Step-by-step explanation:
Let's assume that the initial value of the phone is $800, and that its value decreases by 3/5 each year.
After one year, the phone will be worth 2/5 of its initial value:
$800 x (2/5) = $320
After two years, the phone will be worth 2/5 of its value after one year:
$320 x (2/5)^1 = $128
1.Which triangle are acute 2.Which triangles are obtuse 3.Which triangles are scalene 4.Which triangles are isosceles 5.Which triangles are equilateral? 6.Which are right triangles?
Answer:
1.C
2.D
3.all angles need to be different
4.A
5.E
6.B
Step-by-step explanation:
your group fundraiser has a goal of $75 to pay for a new piece of equipment. you are selling pencils () for $0.50 and bracelets () for $1.00.
To reach your fundraising goal of $75, you will need to sell 150 pencils for $0.50 each and 0 bracelets for $1.00 each.
To reach your fundraising goal of $75, you can sell pencils for $0.50 and bracelets for $1.00.
1. Calculate the total amount of money needed to reach the goal:
Goal amount = $75
2. Determine the number of pencils and bracelets you need to sell to reach the goal:
Let's assume you sell x number of pencils and y number of bracelets.
The amount raised from selling pencils = x * $0.50
The amount raised from selling bracelets = y * $1.00
The total amount raised from both items should be equal to the goal amount:
x * $0.50 + y * $1.00 = $75
3. Simplify the equation:
0.50x + 1.00y = 75
4. Solve for one variable in terms of the other:
Let's solve for x in terms of y:
0.50x = 75 - 1.00y
x = (75 - 1.00y) / 0.50
5. Substitute the value of x into the equation:
(75 - 1.00y) / 0.50 * 0.50 + y * $1.00 = $75
75 - 2y + y = 75
-y = 0
y = 0
6. Find the value of x:
x = (75 - 1.00 * 0) / 0.50
x = 75 / 0.50
x = 150
To reach your fundraising goal of $75, you will need to sell 150 pencils for $0.50 each and 0 bracelets for $1.00 each.
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Evaluate the expression for b = 8
2b=?
Answer: 16
2(8)
16
Step-by-step explanation:
b = 8
2(8)
= 16
Which values from the specified set make up the solution set of the inequality? 5w–10>20 ; {5,6,7,8} Select each correct answer. Responses 5 5 6 6 7 7 8 8 I WILL GIVE BRAIN THINK JUST HELP HURRY PLEASE
Answer:
Step-by-step explanation:
10
Find the missing side length.
Assume that all intersecting sides meet at right angles,
Be sure to include the correct unit in your answer.
9 yd
7 yd
15 yd
F
5 yd
?
4 yd
Answer:
8 yards
Step-by-step explanation:
7-15=8
:)
Solve for B A=7B+CB=
Given
\(A=7B+C\)Solution
Step 1
Subtract C from both sides
\(\begin{gathered} A-C=7B+C-C \\ A-C=7B \end{gathered}\)Step 2
Divide both sides by 7
\(\begin{gathered} \frac{A-C}{7}=\frac{7B}{7} \\ \text{Simplify} \\ B=\frac{A-C}{7} \end{gathered}\)The final answer
\(B=\frac{A-C}{7}\)