The value of x in the circle is 4√5
Calculating the value of x in the circleFrom the question, we have the following parameters that can be used in our computation:
The circle
The value of x in the circle can be calculated using the following pythagoras theorem
x² = (24/2)² - (16/2)²
When the quotients are evaluated, we have
x² = 12² - 8²
When the exponents are evaluated, we have
x² = 144 - 64
When the difference are evaluated, we have
x² = 80
When the exponents are evaluated, we have
x = √80
Simplify
x = 4√5
Hence, the value of x is 4√5
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Patel is solving 8x2 + 16x + 3 = 0. Which steps could he use to solve the quadratic equation? Select three options. 8(x2 + 2x + 1) = –3 + 8 x = –1 Plus or minus StartRoot StartFraction 5 Over 8 EndFraction EndRoot x = –1 Plus or minus StartRoot StartFraction 4 Over 8 EndFraction EndRoot 8(x2 + 2x + 1) = 3 + 1 8(x2 + 2x) =
Patel can use the quadratic formula, which states that x = (-b ± √(b2 - 4ac)) / 2a, where a, b, and c are the coefficients of the quadratic equation.
Patel can use several steps to solve the quadratic equation 8x2 + 16x + 3 = 0.
Here are three options he could use:
1. Complete the square: Patel can rewrite the equation as 8(x2 + 2x + 1) = –3 + 8, which simplifies to 8(x + 1)2 = 5.
Then, dividing by 8 on both sides, he gets (x + 1)2 = 5/8.
Finally, taking the square root of both sides, he gets x = –1 ± √(5/8).
2. Use the quadratic formula:
In this case, a = 8, b = 16, and c = 3.
Plugging these values into the formula, he gets x = (-16 ± √(162 - 4(8)(3))) / (2(8)), which simplifies to x = (-16 ± √100) / 16. Thus, x = –1 ± (1/2).
3. Factor the equation: Patel can try to factor the quadratic equation by looking for two numbers that multiply to 3 and add to 16.
However, since there are no such numbers, this approach may not work.
To solve the quadratic equation 8[tex]x^2[/tex] + 16x + 3 = 0, Patel could use the following,
Divide the equation by 8 to simplify: [tex]x^2[/tex] + 2x + 3/8 = 0 2.
Use the quadratic formula, where a=1, b=2, and c=3/8: x = -b ± √([tex]b^2[/tex] - 4ac) / 2a 3.
Calculate the solutions: x = -1 ± √(4 - 3) / 2
These steps will help Patel solve the quadratic equation.
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Calculator
What is the value of x in the triangle?
Enter your answer in the box. Round your final answer to the
nearest hundredth.
URGENT
Answer:
23.78 cm
Step-by-step explanation:
size of the missing angle is (180 - 90 - 18) = 72°
angle 72° is opposite the side x. angle 90° is opposite side 25.
x/sin 72 = 25/sin 90
multiply both sides by sin 72:
x = (25 X sin 72) / sin 90
= (23.78) / 1
= 23.78 cm
Use the information in the table below to calculate the Revenue Rate Variance for the practice.
Round answers to two decimal places and use appropriate units.
Givens
Budgeted
Actual
Visits
2,000
2,210
Revenue
$150,000.00
$175,000.00
Expenses
$85,000.00
$91,000.00
The Revenue Rate Variance for the practice is $9,615.90, which means that the practice generated $9,615.90 more revenue than budgeted for each visit.
To calculate the Revenue Rate Variance for the practice, we first need to calculate the budgeted and actual revenue rates. The revenue rate is the revenue per visit.
Budgeted revenue rate = Budgeted revenue / Budgeted visits
= $150,000 / 2,000
= $75 per visit
Actual revenue rate = Actual revenue / Actual visits
= $175,000 / 2,210
= $79.19 per visit
Next, we can calculate the Revenue Rate Variance using the following formula:
Revenue Rate Variance = (Actual revenue rate - Budgeted revenue rate) x Actual visits
= ($79.19 - $75) x 2,210
= $9,615.90
Therefore, the Revenue Rate Variance for the practice is $9,615.90, which means that the practice generated $9,615.90 more revenue than budgeted for each visit.
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Aurelia is ordering food for a school picnic. Each student will get a hamburger, a veggie burger,
or a hot dog. Aurelia surveys a random sample of 80 students to find out which item they prefer.
There are 400 students at the school.
Based on the survey results, about how many
hamburgers should Aurelia order?
80 110 150
30
Item
Hamburger
Veggie burger
Hot dog
Number of
Students
30
18
32
Aurelia should order about 150 hamburgers for the school picnic.
Now, Based on the survey results, out of the 80 students surveyed, 30 students preferred hamburgers.
Hence, we assume that this proportion of students who prefer hamburgers remains consistent throughout the entire school, we can estimate that about;
⇒ 30/80
⇒ 0.375
⇒ 37.5% of the 400 students would prefer hamburgers.
Hence, For number of hamburgers Aurelia should order, we can multiply the estimated proportion of students who prefer hamburgers (0.375) by the total number of students (400):
0.375 x 400 = 150
Therefore, Aurelia should order about 150 hamburgers for the school picnic.
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At summer camp, 40 students are divided in two groups for swimming or hiking. Each camper flips a coin, where heads represents swimming and tails represents hiking. Outcome Frequency Swimming 16 Hiking 24 Compare the probabilities and determine which statement is true. The theoretical probability of swimming, P(swimming), is one half, but the experimental probability is 24 over 40. The theoretical probability of swimming, P(swimming), is one half, but the experimental probability is 16 over 40. The theoretical probability of swimming, P(swimming), is 16 over 24, but the experimental probability is one half. The theoretical probability of swimming, P(swimming), is 24 over 40, but the experimental probability is one half.
The correct statement is that the theoretical probability of swimming, P(swimming), is one half, but the experimental probability is 16 over 40.
We know that there are 40 students at summer camp who are divided into two groups for either swimming or hiking. Each camper flips a coin, where heads represents swimming and tails represents hiking. The outcome frequency for swimming is 16 and for hiking is 24.
To compare the probabilities, we need to first understand the difference between theoretical probability and experimental probability. Theoretical probability is the expected probability of an event occurring based on mathematical calculations and assumptions, whereas experimental probability is the actual observed probability of an event occurring based on data from experiments or observations.
Option 1 states that the theoretical probability of swimming is one half, but the experimental probability is 24 over 40. This statement is incorrect because the theoretical probability of swimming is actually 50%, which is equal to one half, and the experimental probability of swimming is also 40%, which is equal to 16 over 40. Therefore, this option is false.
Option 2 states that the theoretical probability of swimming is one half, but the experimental probability is 16 over 40. This statement is correct because the theoretical probability of swimming is 50%, which is equal to one half, and the experimental probability of swimming is also 40%, which is equal to 16 over 40. Therefore, this option is true.
Option 3 states that the theoretical probability of swimming is 16 over 24, but the experimental probability is one half. This statement is incorrect because the theoretical probability of swimming is actually 50%, which is not equal to 16 over 24, and the experimental probability of swimming is also 40%, which is not equal to one half. Therefore, this option is false.
Option 4 states that the theoretical probability of swimming is 24 over 40, but the experimental probability is one half. This statement is incorrect because the theoretical probability of swimming is actually 50%, which is not equal to 24 over 40, and the experimental probability of swimming is also 40%, which is not equal to one half. Therefore, this option is false.
In conclusion, the correct statement is that the theoretical probability of swimming, P(swimming), is one half, but the experimental probability is 16 over 40.
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Tara is researching the stork population living in a bird reserve. On her first day, she captures and tags 41 birds. Two weeks later, she captures 57 birds and finds that 48 are not tagged. Estimate the actual number of storks in the bird reserve.
Giving brainliest
A. 260
B. 472
C. 107
D. 882
Answer:
Therefore, the estimated actual number of storks in the bird reserve is 259. So, the answer is A. 260.
Step-by-step explanation:
This problem can be solved using a proportion.
Let x be the actual number of storks in the bird reserve.
According to the problem, Tara tagged 41 birds on the first day. Let's assume that these birds are representative of the total population. Therefore, the proportion of tagged birds to the total population should be equal to the proportion of tagged birds that Tara captured on the first day:
41/x = tagged birds from 57 captured two weeks later
We are also given that 48 of the 57 birds captured two weeks later were not tagged. Using this information, we can find the proportion of untagged birds in the total population:
48/x = untagged birds from 57 captured two weeks later
Now we can set up an equation to solve for x:
41/x = (57-48)/57
Multiplying both sides by x and simplifying, we get:
x = 41 * 57 / 9 = 259
A student ran out of time on a multiple choice exam and randomly guessed the answers for two problems. Each problem had 5 answer choices – a, b, c, d, e – and only one correct answer. What is the probability that she answered neither of the problems correctly? Do not round your answer.
Find the average value of f(x) = √81 -x² over the interval [0, 9].
Answer:
[tex]f_{ave}=\dfrac{9\pi}{4}[/tex]
Step-by-step explanation:
You want the average value of f(x) = √(81 -x²) on the interval [0, 9].
AreaThe function f(x) defines a quarter circle of radius 9 in the first quadrant on the given interval. Its area is given by the formula in the problem statement:
A = (1/4)πr² = (π/4)·81
Average valueThe average value of the function is the area divided by the width of the interval:
[tex]f_{ave}=\dfrac{\dfrac{81\pi}{4}}{9}\\\\\\\boxed{f_{ave}=\dfrac{9\pi}{4}}[/tex]
__
Additional comment
You will notice that the average value is π/4 times the radius. This is also true for a semicircle. The attachment shows the rectangle with area equal to that of the quarter circle.
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Select all the correct locations on the graph
If we draw lines to join each given point to the origin, identify the points whose corresponding line has a slope that is an integer value.
(2,8)
(3,9)
(4,8)
(5,8)
(6,7)
(7,6)
What is the solution of the system?y = -8x-2 and y = -6x + 4
[tex]y=-8x-2\\y=-6x+4[/tex]
Subtracting the second equation from the first one, we get:
[tex]-2x-6=0\\2x=-6\\x=-3[/tex]
[tex]y=-8\cdot(-3)-2=24-2=22[/tex]
Therefore [tex](-3,22)[/tex].
Round the answer for x^2 to 2 decimal places
b) The critical value is 11.34.
c) By Using a chi-squared distribution table with 100 degrees of freedom and a significance level of 0.005, the critical value is 137.18.
Now, WE can simplify as;
a) For conduct a chi-squared test for the fairness of a 6-sided die with a significance level of 0.05,
we have 5 degrees of freedom
Hence, By Using a chi-squared distribution table with 5 degrees of freedom and a significance level of 0.05, the critical value is 11.07.
And, When calculated chi-squared value exceeds 11.07, then the results are statistically significant at the given level.
b) Now, When examining the results of an experiment with 4 treatments and a significance level of 0.01, we have 3 degrees of freedom
Hence, By Using a chi-squared distribution table with 3 degrees of freedom and a significance level of 0.01, the critical value is 11.34.
And, When calculated chi-squared value exceeds 11.34, then the results are statistically significant at the given level.
c) Hence, For comparing outcomes in 101 different categories with a significance level of 0.005, we have 100 degrees of freedom.
So, By Using a chi-squared distribution table with 100 degrees of freedom and a significance level of 0.005, the critical value is 137.18.
And, When calculated chi-squared value exceeds 137.18, then the results are statistically significant at the given level.
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Brenda sells balloon bouquets. She charges the same price for each
balloon in a bouquet. The costs for several bouquets are shown in the
table. Write an equation that relates the cost of a bouquet to the number
of balloons in the bouquet.
Number of balloons,
(x= # of balloons)
6
9
12
(Y=cost)
3
4.50
6
The equation that relates the cost of a bouquet to the number of balloons in the bouquet is: Y = 5.75x
How to determine the equation that relates the cost of a bouquet to the number of balloons in the bouquet.The bouquet with 6 balloons, the cost per balloon is:
34.50 / 6 = 5.75
We can repeat this process for each bouquet to get:
6 balloons: cost per balloon = 5.75
9 balloons: cost per balloon = 3.83
12 balloons: cost per balloon = 3.04
we can write an equation of the form: Y = kx
where Y is the cost of a bouquet,
x is the number of balloons in the bouquet, and
k is a constant that represents the cost per balloon.
To solve for k, we can use any one of the bouquets to get:
34.50 = k(6)
Solving for k, we get:
k = 5.75
Therefore, the equation that relates the cost of a bouquet to the number of balloons in the bouquet is:
Y = 5.75x
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URGENT
What is the name of the figure?
A rectangular pyramid.
Group of answer choices
triangular prism
rectangular pyramid
rectangular prism
triangular pyramid
Answer:
Triangular Pyramid
Step-by-step explanation:
It is triangular and looks like a pyramid. It also has a square base and four triangular faces, which is usual for a triangular pyramid.
Express 72% as a fraction in simplest form
Answer:
18/25
Step-by-step explanation:
72 per cent =72/100
=36/50
=18/25
whats the product of (-3/4) and (3/4)
The product of (-3/4) and (3/4) can be found by multiplying the numerators and the denominators separately. The fraction -9/16 represents the product of (-3/4) and (3/4) in its simplest form
The step-by-step solution for finding the product of (-3/4) and (3/4).
To multiply fractions, you multiply the numerators (the numbers on top) and the denominators (the numbers on the bottom) separately. In this case, you have:
Numerators: -3 * 3 = -9
Denominators: 4 * 4 = 16
The numerator of the product is -9, and the denominator is 16.
The resulting numerator, -9, indicates that the product will have a negative value. This happens because one of the original fractions, (-3/4), is negative.
The resulting denominator, 16, is obtained by multiplying the original denominators, 4 and 4.
Putting it all together, the product of (-3/4) and (3/4) is -9/16. This means that when you multiply (-3/4) by (3/4), the result is a fraction with a numerator of -9 and a denominator of 16.
The fraction -9/16 represents the product of (-3/4) and (3/4) in its simplest form.
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Find the circumference of the circle. Use pie= 3.14.
Answer:
C. 62.8 mi
Step-by-step explanation:
Formulas to know:
[tex]c = \pi d[/tex]
[tex]c=2\pi r[/tex]
For this problem use c = [tex]\pi[/tex]d
[tex]c =\pi d[/tex]
[tex]c = 3.14*20[/tex]
[tex]c = 62.8[/tex]
Find all possible values of x.
The possible values of x in the circle using the theorem of intersecting secants are x = 7.38 and x = -11.38
Finding all possible values of x.From the question, we have the following parameters that can be used in our computation:
The intersecting secants
Using the theorem of intersecting secants, we have the following equation
(5 + 7) * 7 = (x + 4) * x
When the sum is evaluated, we have
12 * 7 = (x + 4) * x
When the product is evaluated, we have
84 = x² + 4x
So, we have
x² + 4x - 84 = 0
When solved for x, we get
x = 7.38 and x = -11.38
The value of x = -11.38 cannot be used
This is because x cannot be negative
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L1: x-9 y=-3 L2: y=7 x-6
The solutions for the system of linear equations are:
x = 57/62y = 0.4How to solve the system of equations?Here we want to solve a system of linear equations, these are:
x - 9y = -3
y = 7x - 6
To solve this system, we can use the substitution method, to do so, just replace the variable that is already isolated (y on the second equation) into the first one.
Then we will get:
x - 9*(7x - 6) = -3
We can solve this to get:
x - 63x + 54 = -3
-62x = -3 - 54
x = 57/62
And the value of y is:
y = 7x - 6
y = 7*(57/62) - 6 = 6.4 - 6 = 0.4
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Question:
Find the interception point between lines L1 and L2:
L1: x-9 y=-3 L2: y=7 x-6
What is the standard deviation of the distribution of the sample means (sampling distribution) for all possible samples of size 81 that could be drawn from the parent population?
The larger the sample size, the smaller the SEM, and the more precise our estimates of the population mean become. However, it is important to note that the SEM only reflects the amount of error due to chance factors, and does not account for any bias or systematic error in the sampling process.
The standard deviation of the distribution of the sample means (sampling distribution) for all possible samples of size 81 that could be drawn from the parent population is known as the standard error of the mean (SEM). The SEM is calculated by dividing the population standard deviation by the square root of the sample size. Therefore, if the population standard deviation is known, we can calculate the SEM by dividing it by the square root of 81. If the population standard deviation is unknown, we can estimate it using the sample standard deviation.
The SEM represents the amount of variability in the sample means that we would expect to see if we repeatedly drew samples of size 81 from the same population. In other words, the SEM tells us how much error we would expect to see in our sample means due to chance factors alone.
The SEM is an important measure in inferential statistics because it helps us to calculate confidence intervals and to perform hypothesis tests. In general, the larger the sample size, the smaller the SEM, and the more precise our estimates of the population mean become. However, it is important to note that the SEM only reflects the amount of error due to chance factors, and does not account for any bias or systematic error in the sampling process.
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An artist plans to sell $250 of prints online each week. This week, she is within $25 of her goal.
Part A: Define a variable and write an absolute value equation to represent the scenario. (4 points)
Part B: Solve the equation, showing all steps. (4 points)
Part C: What are the minimum and maximum amounts that the artist received for her products? (2 points)
Answer:
Part A:
Let x be the amount the artist receives for her products this week. Then, the absolute value equation that represents the scenario is:
|250 - x| ≤ 25
Part B:
To solve the equation, we need to consider two cases:
Case 1: 250 - x ≤ 25
In this case, we have:
250 - x ≤ 25
x ≤ -225
x ≥ 225
Case 2: 250 - x ≥ -25
In this case, we have:
250 - x ≥ -25
x ≥ -275
x ≤ 275
Therefore, the solution to the absolute value equation is:
225 ≤ x ≤ 275
Part C:
The minimum amount the artist received for her products is $225, and the maximum amount is $275.
Step-by-step explanation:
Michael is 17 years older than John. The sum of their ages is 49. Find Michael's present age.
Answer:
Michael is 33 yrs old. John is 16 yrs old.
Step-by-step explanation:
Let M = Michael's age
Let J = John's age
M + J = 49
M-17 = J
Substitute the 2nd equation for J in the 1st equation and solve for M.
M + J = 49
M + (M-17) = 49
2M - 17 = 49
2M = 49+17
2M = 66
M = 33
So Michael is 33.
M + J = 49
33 + J = 49
J = 49-33
J = 16 John is 16.
Check that the answers work
33-16 = 17
33+16+49
Answer:
John is 16 and Michael is 33
Step-by-step explanation:
(Let John’s age be x)
Michael is 17 years older than John.
m = x + 17The sum of their ages is 49. So:
x + (x + 17) = 49Simplifying the equation:
2x + 17 = 49Subtracting 17 from both sides gives:
2x = 32Dividing both sides by 2 gives:
x = 16So, John is 16 years old. If Michael is 17 years older, we can add 17 to 16:
17 + 16 = 33Therefore, John’s age is 16 and Michael’s age is 33.
This stem and leaf diagram shows the number of students who go to various after school clubs. What is the smallest number of students who go to one of these clubs?
1| 6 8 9
2| 1
3| 5 9
4| 0 2 4 5
(Key: 2| 1 represents 21 students)
The smallest number of students who go to one of these clubs is 21.
A stem-and-leaf diagram is a quantitative assessment of a collection of data in which the data values are divided into a "stem" (the first digit of the number) and a "leaf" (the remainder of the number) (the last digit of the number).
Based on the given stem and leaf diagram, the smallest number of students who go to one of these clubs is represented by the leaf value "1" in the stem "2."
Therefore, the smallest number of students who go to one of these clubs is 21.
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3.
-2x=-2
Carly deposits money into a compound interest account in 2010. The equation P = 600(1.0375)
represents the amount of money in her account, P, after t years.
Determine how much money Carly has in her account in 2047. What was the growth rate?
How long does it take for Carly's account to reach $750? Round answer to the nearest tenth.
Carly has $2342.67 in her account in 2047.
Growth rate of the account is 3.75% per year.
How much money does Carly in 2047?To get amount of money Carly has in her account in 2047, we need to substitute t = 2047 into equation [tex]P = 600(1.0375)^t.[/tex]
Years = 2047 - 2010
Years = 37
[tex]P = 600*(1.0375)^{37}\\P = 600*(3.90445030158)\\P = 2342.67018095\\P = $2342.67[/tex]
The growth rate is calculated by finding the exponent coefficient in the equation [tex]P = 600(1.0375)^t[/tex]
Growth rate = (1.0375 - 1) × 100
Growth rate = 0.0375 × 100
Growth rate = 3.75%
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Find the x-intercept and y-intercept of the line −5x + 5y = 15. Use the intercepts to graph the equation.
The graph of the line will be a straight line that slopes downward from left to right, intersecting the x-axis at -3 and the y-axis at 3.To find the x-intercept and y-intercept of the line −5x + 5y = 15, we can set either x or y to zero and solve for the other variable.
For the x-intercept, we set y = 0:
−5x + 5(0) = 15
−5x = 15
x = -3
So the x-intercept is -3.For the y-intercept, we set x = 0:
−5(0) + 5y = 15
5y = 15
y = 3
Therefore, the y-intercept is 3.
Now let's plot these intercepts on a graph. The x-intercept is at -3 on the x-axis, and the y-intercept is at 3 on the y-axis. We can connect these two points to draw the line.
By connecting the x-intercept (-3) and the y-intercept (3) on the graph, we obtain a straight line that represents the equation −5x + 5y = 15.
Note that the line passes through the points (-3, 0) and (0, 3).
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A group of students was asked about the number of flights they have taken. The data is shown in the line plot.
Which of the following best describes the spread of the data? Explain its meaning in this situation.
A. The data has a range of 5, which is a wide spread. This means the greatest number of flights was 5.
B. The data has a range of 15, which is a narrow spread. This means that there is not a large difference in the number of flights taken by the students.
C. The data has a range of 5, which is a narrow spread. This means that most of the students have taken a similar number of flights.
D. The data has a range of 15, which is a wide spread. This means that there is a difference of 15 flights between each of the students.
Option C. The best description of the spread of the data: The data has a range of 5, which is a narrow spread. This means that most of the students have taken a similar number of flights.
How to solve for the spread of the datawe have the maximum value = 15
The minimum value = 10
The range can be defined as the difference that exixts between the highest and the lowest values in a data
Hence we have 15 - 10
= 5
Therefore The data has a range of 5, which is a narrow spread. This means that most of the students have taken a similar number of flights.
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The table shows the relationship between the participants walking and running for the week's cross-country practices.
Walk (laps) 3 B 15
Run (laps) 5 10 D
Total (laps) A C 40
At this rate, how many laps will the participants walk and run if the total distance is 24 laps?
They will walk 7 laps and run 17 laps.
They will walk 15 laps and run 9 laps.
They will walk 9 laps and run 15 laps.
They will walk 6 laps and run 18 laps.
The participants will walk 3 + 21 = 24 laps and run 15 laps if the Total distance is 24 laps.
The participants will walk and run if the total distance is 24 laps, we need to first find the values of A, B, C, and D. We can use the information given in the table to set up a system of equations:
A + B = 24 (total distance is 24 laps)
3 + B = C (total is the sum of walking and running laps)
5 + 10 = D (total running laps is 15)
Simplifying the equations, we get:
B = 24 - A
C = 3 + B
D = 15
Substituting the value of B in terms of A into the equation for C, we get:
C = 3 + (24 - A)
C = 27 - A
Now we can use the equation for the total distance to find the value of A:
A + (27 - A) = 24
27 = 24 + A
A = 3
Substituting A = 3 into the equations for B and C, we get:
B = 24 - 3 = 21
C = 27 - 3 = 24
Therefore, the participants will walk 3 + 21 = 24 laps and run 15 laps if the total distance is 24 laps.this solution is inconsistent with the values given in the table. So, there might be a mistake in the table or the problem statement. None of the given options match with this solution, but based on the given table, the closest option is: "They will walk 6 laps and run 18 laps." However, this solution is not consistent with the system of equations derived from the table.
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Annabel's water bottle holds 6 cups of water. How many fluid
ounces does it hold?
Annabel's water bottle can hold [tex]48[/tex] fluid ounces of water.
To determine the number of fluid ounces in 6 cups of water, we need to know the conversion rate between cups and fluid ounces.
In the United States customary system, there are [tex]8[/tex] fluid ounces in [tex]1[/tex] cup. Therefore, we can use this conversion rate to calculate the number of fluid ounces in [tex]6[/tex] cups.
Since [tex]1[/tex] cup is equal to [tex]8[/tex] fluid ounces, we can set up a proportion:
[tex]\(\frac{1 \text{ cup}}{8 \text{ fluid ounces}} = \frac{6 \text{ cups}}{x \text{ fluid ounces}}\)[/tex]
By cross-multiplication, we find:
[tex]\(1 \text{ cup} \cdot x \text{ fluid ounces} = 8 \text{ fluid ounces} \cdot 6 \text{ cups}\)[/tex]
Simplifying the equation:
[tex]\(x \text{ fluid ounces} = 48 \text{ fluid ounces}\)[/tex]
Therefore, Annabel's water bottle holds [tex]48[/tex] fluid ounces of water.
To convert [tex]6[/tex] cups of water to fluid ounces, we use the conversion rate of 1 cup equals [tex]8[/tex] fluid ounces. Setting up a proportion, we find that [tex]6[/tex] cups is equal to [tex]48[/tex] fluid ounces. Hence, Annabel's water bottle can hold [tex]48[/tex] fluid ounces of water.
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Determine the scale factor from triangle BAC to triangle GHF
The scale factor from triangle BAC to triangle GHF is 3/4.
We have,
The two triangles are:
ΔBAC and ΔGHF
Now,
The scale factor can be used as:
Taking the corresponding sides.
BA x M = GH
36 x M = 27
M = 27/36
M = 3/4
We can also see that,
EC x 3/4 = CF
28 x 3/4 = 21
7 x 3 = 21
21 = 21
Thus,
The scale factor from triangle BAC to triangle GHF is 3/4.
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7. PART A:
Martin has 1/4 of a bag of chocolate chip cookies. The bag weighs 4 pounds. How
many pounds of cookies does he have?
The number of pounds of cookies he has is 16
Calculating how many pounds of cookies he has?From the question, we have the following parameters that can be used in our computation:
Martin has 1/4 of a bag of chocolate chip cookies. The bag weighs 4 poundsUsing the above as a guide, we have the following:
Weight = 4 pounds
Available chips = 1/4 of a bag
So, we have
Pounds = Weight /Available chips
Substitute the known values in the above equation, so, we have the following representation
Pounds = 4/(1/4)
Evaluate
Pounds = 16
Hence, he has 16 pounds of cookies
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How tall is a building that casts a 68-ft shadow when the angle of elevation of the sun is 34 degrees?
The height of the building is approximately 45.44 ft when it casts a 68-ft shadow under an angle of elevation of 34 degrees.It's important to note that this calculation assumes the ground is flat and the sun's rays are parallel. Real-world conditions may introduce slight variations.
To determine the height of the building, we can use the trigonometric relationship involving the angle of elevation, the height of the building, and the length of its shadow.
Let's denote the height of the building as h. The length of the shadow cast by the building is given as 68 ft, and the angle of elevation of the sun is 34 degrees.
Using the tangent function, we have the equation:
tan(34°) = h / 68To
solve for h, we can rearrange the equation:
h = 68 * tan(34°)
Calculating this expression, we find:
h ≈ 68 * 0.668178 = 45.439344 ft.
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