Based on the measures of center, we can conclude that Wide Awake typically sells more coffee per hour compared to Perks A Lot.
What is Statistics?Statistics is the branch of mathematics that deals with the collection, analysis, interpretation, presentation, and organization of data.
To determine which coffee shop typically sells the most amount of coffee per hour, we need to compare the measures of center for both sets of data. The two common measures of center are the mean and the median.
Calculating the mean and median for both sets of data, we get:
Perks A Lot:
Mean = (10+3.5+3+5+2.5+7+8+5.5+9.5+6+9+4.5)/12 = 5.75
Median = the average of the 6th and 7th numbers when the data is arranged in order: 3, 3.5, 5, 5.5, 6, 7, 8, 9, 9.5, 10
Wide Awake:
Mean = (2.5+10+4+18+4+3+6.5+15+6+5+2.5)/11 = 6
Median = the average of the 5th and 6th numbers when the data is arranged in order: 3, 4, 5, 6, 6.5, 10, 15, 18
Comparing the measures of center, we can see that Perks A Lot has a lower mean and a higher median compared to Wide Awake. This suggests that Perks A Lot sells less coffee on average, but has more consistent sales with less extreme values. On the other hand, Wide Awake has higher average sales, but with a wider range of values.
Therefore, based on the measures of center, we can conclude that Wide Awake typically sells more coffee per hour compared to Perks A Lot.
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Muhammad has $158 in his bank account and deposits $59 per month into his account. Connor has $74 and deposits $66 per month into his account. Muhammad has $158 in his bank account and deposits $59 per month into his account. Connor has $74 and deposits $66 per month into his account
it will take 12 months for Muhammad's account balance to surpass Connor's, assuming they continue to deposit amount at the same rate. After 12 months, Muhammad's balance will be $950 ($158 + $59x) and Connor's balance will be $896 ($74 + $66x).
To solve this problem, we can start by finding the monthly difference in their deposits:
Muhammad: $59/month
Connor: $66/month
Since Muhammad's monthly deposit is lower than Connor's, we need to find out how many months it will take for Muhammad's balance to catch up to and surpass Connor's. We can set up an equation to represent this situation:
$158 + $59x = $74 + $66x
where x is the number of months elapsed.
We can simplify and solve for x:
$158 + $59x - $74 - $66x = 0
$84 - $7x = 0
$7x = $84
x = 12
Therefore, it will take 12 months for Muhammad's account balance to surpass Connor's, assuming they continue to deposit money at the same rate. After 12 months, Muhammad's balance will be $950 ($158 + $59x) and Connor's balance will be $896 ($74 + $66x).
the complete question is :
Muhammad has $158 in his bank account and deposits $59 per month into his account. Connor has $74 in his bank account and deposits $66 per month into his account. If Muhammad and Connor continue to deposit money into their accounts at the same rate, how long will it take for Muhammad's account balance to surpass Connor's?
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Find the outer perimeter.
10 ft
20 ft
15ift
Remember: Co = 2πr
P = [?] ft
Round to the nearest
hundredth.
Use 3.14 for T.
The outer perimeter of the composite figure is calculated to the nearest hundredth as: 55.70 feet.
How to Find the Outer Perimeter of a Composite Figure?The outer perimeter of the composite figure that is shown below which consist of a semicircle and a triangle, can be calculated using the formula below:
Perimeter = 1/2(2πr) + 2(s), where:
s = slant height of the triangle = 20 ft
r = radius of the semicircle = 10/2 = 5 ft
Substitute the values:
Perimeter = 1/2 * (2 * 3.14 * 5) + 2(20)
Perimeter = 55.70 feet
Thus, rounding to the nearest hundredth, the perimeter is calculated as: 55.70 feet.
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assuming this is a maximization problem, by how much can the coefficient of x in theobjective function be increased before the optimal solution changes?
If the coefficient of x in the objective function is less than the ratio of the coefficient of x in one of the constraint equations to the coefficient of the corresponding decision variable, then increasing the coefficient of x in the objective function will not change the optimal solution.
To determine the maximum amount that the coefficient of x in the objective function can be increased. Let's assume that this ratio is r.
If the current coefficient of x in the objective function is less than r, then the optimal solution will not change if the coefficient of x is increased by any amount.
If the current coefficient of x in the objective function is equal to r, then the optimal solution will not change if the coefficient of x is increased by any amount that does not violate the constraint equation with the smallest ratio.
If the current coefficient of x in the objective function is greater than r, then the optimal solution will change if the coefficient of x is increased by an amount that is greater than or equal to the difference between the current coefficient of x and r.
Therefore, the maximum amount that the coefficient of x in the objective function can be increased without changing the optimal solution depends on the ratio of the coefficient of x to the coefficient of the corresponding decision variable in the constraint equations.
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please help!!
Mr. Paquette has a combined total of
8 pencils and pens. For each pencil
that he has, Mr. Paquette has 3 pens.
How many or each does Mr.
Paquette have?
Equation 1:
Equation 2:
Answer:
Let's assume that Mr. Paquette has x pencils.
From the problem, we know that for each pencil he has, he also has 3 pens. So the total number of pens he has is 3 times the number of pencils:
Number of pencils = x
Number of pens = 3x
The total number of pencils and pens combined is given as 8, so we can write:
x + 3x = 8
Simplifying, we get:
4x = 8
x = 2
Therefore, Mr. Paquette has 2 pencils and 3x2=6 pens.
What is the measure of angle p? enter your answer as a decimal in the box. round only your final answer to the nearest hundredth. m∠p= °
The measure of angle P = 67.38, calculated the trigonometric function value, we get the same answer.
We have all sides of the triangle, so we can calculate the trigonometric function value of angle P :
sin P = 12/13 ≈ 0.9231
Since △PQR is a right-angled triangle, we can use the cosine or sine or tan rule to find the ∠P
1) Sine
sin ∠P = opposite/ hypotenuse = 12/13
∠P = sin −1 (12/13) = 67.38
(2) Cosine
cos ∠P = adjacent/ hypotenuse = 5/13
∠P = cos−1 (5/13) = 67.38
(3) tan
tan ∠P = opposite/ adjacent = 12/5
∠P = tan−1 (12/5) = 67.38
Hence, as you can see that whichever rule is being used, the answer will always be the exact same.
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The questions on there
a bacteria culture grows with a constant relative growth rate. after 2 hours there are 600 bacteria and after 8 hours the count is 75,000. (a) find the initial population.
The initial population of the bacteria culture is 200 bacteria.
The initial population of the bacteria culture can be determined using the equation for exponential growth: P(t)=P0(1+rt), where P(t) is the population after time t, P0 is the initial population, and r is the relative growth rate.
In this case, after 2 hours, the population is 600 and after 8 hours the population is 75,000. Plugging in the values, we get P0 = 600/(1+2*r), or P0 = 600/3. Thus, the initial population of the bacteria culture is 600/3 = 200 bacteria.
Exponential growth is a function of time and rate of growth. It is often used to model population growth or decay, such as in this case. The equation for exponential growth states that the population at any time is equal to the initial population multiplied by the rate of growth at each unit of time.
In this case, the rate of growth (r) is constant over the time period, so the population can be determined by putting in the values for P(t) and P0 and solving for r. Then, using the same equation, the initial population (P0) can be determined.
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A sales person had $240,00 in sales last year, which is 60% of the sales she has this year. Which equation could be used to determine X, the salespersons total amount of sales in dollars for this year
Answer: 240,000= .6x and/or 400,000
Step-by-step explanation:
If 240,000 is 60% of our answer, we can write the equation as...
240,000= .6x
In order to find the answer, (I am unsure if you need it) we would divide both sides by .6.
This would leave us with 400,000.
help asap will give brainliest!
The exact volume of the cone is 168π cubic feet and the approximated volume is 528 cubic feet
Calculating the volume of the coneTo find the volume of a cone, we can use the formula:
V = (1/3)πr²h
where r is the radius of the base and h is the height of the cone.
Since the diameter of the base is 12 feet, the radius is half of that, or 6 feet.
Using the given height of 14 feet, we can plug in the values into the formula:
V = (1/3)π(6²)(14)
V = (1/3)π(36)(14)
V = (1/3)π(504)
V = 168π
Therefore, the exact volume of the cone is 168π cubic feet.
If we want to approximate the value using 3.14 for π, we can use a calculator to get:
V ≈ 168 * 22/7
V ≈ 528
Therefore, the approximated volume of the cone is 528 cubic feet
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find the output, f, when the input, t, is 7
The value of the function f at t = 7, will be 11.
What is a function?a function is a relationship between two sets of numbers or values, where each input value from the domain produces exactly one output value from the range. This relationship can be represented by a graph, an equation, or a table.
For example, the equation f(x) = 2x is a function that takes an input value x, multiplies it by 2, and produces an output value in the range. If we input x = 3 into this function, we get f(3) = 2
The function is given as,
f = 2t – 3
At t = 7, the value of the function f will be.
f = 2 x 7 – 3
f = 14 – 3
f = 11
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The complete question is;
Find the output, f, when the input, t, is 7. f = 2t - 3
Which numbers on the list are proportional?
Find The Value of X.
value of variable x in the circle is 4unit.
specify circleA circle is a two-dimensional form that may be described as a collection of points that are equally spaced out from the centre.
The area of a circle is also an important property, and is given by the formula A = πr^2, where r is the radius. The circle is used in many fields, including mathematics, science, engineering, and art, and is often used to represent concepts such as unity, wholeness, and infinity.
Circles are found in many natural and man-made objects, such as wheels, clocks, planets, and bubbles. They are also used in various applications, such as in navigation, architecture, and computer graphics.
Given;AE=8
CE=12
DE=x
BE=6x
As we know that
AE×CE=DE×BE
8×12=x×6x
96=6x²
x²=16
x=4
Hence, value of variable x in the circle is 4unit.
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On a snow day, Aaron created two snowmen in his backyard. Snowman A was built to
a height of 28 inches and Snowman B was built to a height of 46 inches. The next day,
the temperature increased and both snowmen began to melt. At sunrise, Snowman
A's height decrease by 4 inches per hour and Snowman B's height decreased by 7
inches per hour. Let A represent the height of Snowman A t hours after sunrise and
let B represent the height of Snowman B t hours after sunrise. Write an equation for
each situation, in terms of t, and determine the number of hours after sunrise when
both snowmen have an equal height.
A =
Answer:
Submit Answer
B =
inches
hours per inch
inches per hour
hours
attempt 1 out of 2
For Snowman A:
The initial height of Snowman A is 28 inches, and it decreases by 4 inches per hour. So, the equation for the height of Snowman A in terms of t hours after sunrise is:
A = 28 - 4t
For Snowman B:
The initial height of Snowman B is 46 inches, and it decreases by 7 inches per hour. So, the equation for the height of Snowman B in terms of t hours after sunrise is:
B = 46 - 7t
To find when both snowmen have an equal height, we need to set A and B equal to each other and solve for t:
28 - 4t = 46 - 7t
3t = 18
t = 6
Therefore, both snowmen will have an equal height of 16 inches after 6 hours.
Given the diagram above, m2Z is:
180°
120°
60°
30°
Answer:
120°
Step-by-step explanation:
The sum of the measurement of the interior angles of a parallelogram is 360
t + 2t + t + 2t = 360 Combine like terms
6t = 360 Divide both sides by 6
[tex]\frac{6t}{6}[/tex] = [tex]\frac{360}{6}[/tex]
t = 60
If t = 60, then 2t = 120
Helping in the name of Jesus.
which of the following is equal to sin(300)
Sin(300°) = -√3 / 2 .
use a 99 percent confidence interval to estimate the difference between the mean wait times for ambulance transported patients and self-transported patients at this emergency room. based only on this confidence interval, do you think the difference in the mean wait times is statistically significant? justify your answer.
A 99% confidence interval for the difference in mean wait times for ambulance and self-transported patients is (0.15, 3.33) minutes. Since the interval includes 0, we cannot conclude that the difference in mean wait times is statistically significant at a 99% level of confidence.
To estimate the difference between the mean wait times for ambulance-transported patients and self-transported patients, we can use the two-sample t-interval for the difference in means, assuming equal variances:
[tex]$\bar{x}_1 - \bar{x}2 \pm t{\alpha/2, n_1 + n_2 - 2} \times \sqrt{\frac{s_p^2}{n_1}+\frac{s_p^2}{n_2}}$[/tex]
[tex]$\bar{x}1$ and $\bar{x}2$[/tex]where are the sample means, [tex]$s_p$[/tex] is the pooled standard deviation, [tex]$n_1$[/tex] and [tex]$n_2$[/tex] are the sample sizes, and[tex]$t{\alpha/2, n_1 + n_2 - 2}$[/tex] is the critical value from the t-distribution with[tex]$n_1 + n_2 - 2$[/tex] degrees of freedom.
Substituting the given values, we get:
[tex]$\bar{x}_1 - \bar{x}_2 \pm 2.626 \times \sqrt{\frac{8.30^2}{77}+\frac{5.16^2}{73}}$$\implies 6.04 - 4.30 \pm 2.626 \times \sqrt{\frac{8.30^2}{77}+\frac{5.16^2}{73}}$[/tex]
[tex]$\implies 1.74 \pm 1.59$[/tex]
Thus, the 99% confidence interval for the difference between the mean wait times is (0.15, 3.33) minutes.
To determine whether the difference in mean wait times is statistically significant based on the confidence interval, we need to check if the interval contains zero. Since the interval does not contain zero, we can conclude that the difference in mean wait times between ambulance-transported patients and self-transported patients is statistically significant at the 99% confidence level.
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--The given question is incomplete, the complete question is given
"Patients with heart-attack symptoms arrive at an emergency room either by ambulance or self- transportation provided by themselves, family, or friends. When a patient arrives at the emergency room, the time of arrival is recorded. The time when the patient's diagnostic treatment begins is also recorded An administrator of a large hospital wanted to determine whether the mean wait time time between arrival and diagnostic treatment) for patients with heart-attack symptoms differs according to the mode of transportation. A random sample of 150 patients with heart-attack symptoms who had reported to the emergency room was selected. For each patient, the mode of transportation and wait time were recorded. Summary statistics for each mode of transportation are shown in the table below. Mode of Transportation Sample Size Mean Wait Time Standard Deviation (in minutes) of Wait Times (in minutes) 6.04 4.30 8.30 5.16 Ambulance Self 77 73 (a) Use a 99 percent confidence interval to estimate the difference between the mean wait times for ambulance-transported patients and self-transported patients at this emergency room. You may assume that conditions for inference are met. (b) Based only on this confidence interval, do you think the difference in mean wait times is statis- tically significant? Justify your answer."--
what is the greatest number of wristbands that can be made from a rectangular piece of paper that measures 18 centimeters by 85 centimeters? enter your answer in the box.
The greatest number of wristbands that can be made from a rectangular piece of paper that measures 18 centimeters by 85 centimeters is 36.
To calculate the greatest number of wristbands that can be made from a rectangular piece of paper that measures 18 centimeters by 85 centimeters, we need to divide the width of the paper by the width of each wristband, and then divide the length of the paper by the length of each wristband, and then multiply the two numbers together. The result will be the greatest number of wristbands that can be made from the paper.
Using the dimensions given in the question, and assuming that each wristband measures 1.5 centimeters by 22 centimeters (which is a typical size for a wristband), we can calculate the number of wristbands as follows:
Width of paper = 18 centimeters
Width of each wristband = 1.5 centimeters
Number of wristbands in width = (18 / 1.5) = 12
Length of paper = 85 centimeters
Length of each wristband = 22 centimeters
Number of wristbands in length = (85 / 22) ≈ 3.86 (round down to 3)
Total number of wristbands = (12 x 3) = 36
Therefore, the greatest number of wristbands that can be made from a rectangular piece of paper that measures 18 centimeters by 85 centimeters is 36.
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What are the measurements for the ingredients in pepperoni dip? Use improper fractions when needed.
it's always a good idea to double-check the recipe before measuring out the ingredients. Additionally, it's important to use accurate measuring tools, such as measuring cups and spoons, to ensure that the dip turns out as intended.
How to calculate the problem?
Pepperoni dip is a popular party dip made with cream cheese, sour cream, mayonnaise, and chopped pepperoni. The exact measurements for the ingredients can vary depending on the recipe and the desired consistency and taste. However, a typical recipe might call for:
8 oz cream cheese, softened
1/2 cup sour cream
1/2 cup mayonnaise
1 cup chopped pepperoni
To convert these measurements to improper fractions, we can use the fact that 1 cup is equivalent to 8 fluid ounces. Therefore, the measurements in improper fractions are:
8/1 (or simply 8) ounces of cream cheese
1/2 cup = 4 fluid ounces of sour cream
1/2 cup = 4 fluid ounces of mayonnaise
1 cup = 8 fluid ounces of chopped pepperoni
It's worth noting that some recipes may use different measurements or units, such as teaspoons or tablespoons, so it's always a good idea to double-check the recipe before measuring out the ingredients. Additionally, it's important to use accurate measuring tools, such as measuring cups and spoons, to ensure that the dip turns out as intended.
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Your complete question is :-What are the measurements for the ingredients in pepperoni dip? Use improper fractions when needed.
Physics The function f(x) = 50.000(0.975)", where x represents the underwater
depth in meters, models the intensity of light below the water's surface in lumens per
square meter. What is the intensity of light 200 meters below the surface? Round
answer to the nearest whole number
We assume the intensity function is
[tex]f(x) = 50,000(0.975^x) . . . . x[/tex]
Use 200 for x and do the arithmetic.
[tex]f(200) = 50,000(0.975^{200}) \thickapprox \bold{316 . . . . lumens/m}^2[/tex]LUNA
A=3.14 (4.5²2)
A = 3.14 (9)
A = 28.26 cm²
2. Describe Luna's mistake in solving for the
area of the circle. A=πT₁²
of the
Answer:
her mistake was in step2.
Step-by-step explanation:
in the parenthesis 4.5^2 would be 20.25 then you would multiply by 2 and get 40.5.
from there you can x by 3.14
PLS HELP AND EXPLAIN ESP IF YOU KNOW TRIG ILL GIVE BRAINLIEST IF POSSIBLE!!!!
graph y=-2sin(-3x) 0 is greater or equal to x is greater or equal to 2pi
the graph οf y=-2sin(-3x) οver the interval [0, 2π] will lοοk like a wave that οscillates 3 times between y=-2 and y=2, with a periοd οf 2π/3. The graph will start at the x-axis at y=0 and be reflected acrοss the x-axis.
What is a graph?In cοmputer science and mathematics, a graph is a cοllectiοn οf vertices (alsο knοwn as nοdes οr pοints) cοnnected by edges (alsο knοwn as links οr lines).
I can help yοu graph the functiοn y=-2sin(-3x) οver the interval [0, 2π].
Tο start, let's analyze the functiοn. The negative sign in frοnt οf the sine functiοn means that the graph will be reflected acrοss the x-axis. The 2 in frοnt οf the sine functiοn means that the amplitude οf the graph will be 2 units.
The argument οf the sine functiοn is -3x, which means that the periοd οf the graph will be 2π/3. This means that the graph will cοmplete 3 full οscillatiοns οver the interval [0, 2π].
Using this infοrmatiοn, we can sketch the graph as fοllοws:
At x=0, the sine functiοn is 0, sο the graph starts at the x-axis at y=0.
As x increases, the sine functiοn οscillates between -1 and 1, sο the graph οscillates between -2 and 2. Since the argument οf the sine functiοn is -3x, the graph cοmpletes οne full οscillatiοn fοr every 2π/3 increase in x.
At x=2π/3, the graph cοmpletes οne full οscillatiοn and returns tο the x-axis at y=0.
As x cοntinues tο increase, the graph repeats the same pattern every 2π/3 units οf x, until it cοmpletes 3 full οscillatiοns at x=2π.
Therefοre, the graph οf y=-2sin(-3x) οver the interval [0, 2π] will lοοk like a wave that οscillates 3 times between y=-2 and y=2, with a periοd οf 2π/3. The graph will start at the x-axis at y=0 and be reflected acrοss the x-axis.
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mari bought 6 packets of tomato seeds . each packet contained 24 seeds . she planted 1 packet of the seeds , and 15 seeds sprouted . which statement about the seeds in the remaining packets is best supported by this information?
A statement about the seeds in the remaining packets is best supported by this information include the following: B. Between 50 and 100 seeds will sprout.
How to determine the true statement?Based on the information provided about the packets of tomato seeds, we can logically deduce the following parameters;
Number of packets of tomato seeds = 6 packets.
Number of seeds in each packet = 24 seeds.
Next, we would determine the total number of seeds in six (6) packet by multiplying the number of packets of tomato seeds by the number of seeds in each packet as follows;
Total number of seeds = 6 × 24
Total number of seeds = 144 seeds.
Since 15 seeds sprouted in one packet of 24 seeds, the ratio can be calculated as follows;
Ratio = 15 : 24
Sprouted seeds = 144 × 15/24
Sprouted seeds = 90 seeds.
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Complete Question:
Mari bought 6 packets of tomato seeds. Each packet contained 24 seeds. She planted 1 packet of the seeds, and 15 seeds sprouted.
Which statement about the seeds in the remaining packets is best supported by this information?
No more than 50 seeds will sprout.
Between 50 and 100 seeds will sprout.
At least 100 but no more than 120 seeds will sprout.
All 120 seeds will sprout.
You are studying the lengths of time people spend reading books
each day. You randomly select 50 people and observe that, in average, they spend 25 minutes
reading books each day. Find the probability that the mean time they spend reading each day is
between 24.7 and 25.5 minutes? Assume that o=1.5 minutes and also you can use the Central
Limit Theorem.
The probability that the mean time people spend reading books each day is between 24.7 and 25.5 minutes, assuming a population standard deviation of 1.5 minutes and using the Central Limit Theorem, is approximately 0.881 or 88.1%.
How to find the probability?Since we have a sample size of 50, we can use the Central Limit Theorem to approximate the sampling distribution of the sample mean. We know that the population standard deviation is 1.5 minutes. Therefore, the standard error of the mean is:
SE = σ/sqrt(n) = 1.5/sqrt(50) ≈ 0.212
To find the probability that the mean time spent reading is between 24.7 and 25.5 minutes, we need to standardize the sample mean using the formula:
z = (x - μ) / SE
where x is the sample mean, μ is the population mean (which is not given, but we can assume is equal to the sample mean of 25), and SE is the standard error of the mean calculated above.
So, for the lower bound of 24.7 minutes:
z = (24.7 - 25) / 0.212 ≈ -1.42
And for the upper bound of 25.5 minutes:
z = (25.5 - 25) / 0.212 ≈ 2.36
We can then use a standard normal distribution table or calculator to find the probability that z is between -1.42 and 2.36, which represents the probability that the sample mean is between 24.7 and 25.5 minutes:
P(-1.42 < z < 2.36) ≈ 0.881
Therefore, the probability is 0.881 or 88.1%.
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Verify the trig identity: sin x(csc x-sin x)=cos^2 x
According to the question the equation has been solved by using Pythagorean. The left-hand side of the identity simplifies to [tex]cos^2(x)[/tex]
Explain Pythagorean?The Pythagorean Theorem can be used to find the correct angled triangle's missing length. The triangle contains three sides: the hypotenuse, this same opposite, which will always be the longest, and the adjacent side, which really doesn't touch the hypotenuse. The Pythagorean equation is: [tex]a^2+b^2=c^2.[/tex]
We can start by using the reciprocal identity for cosecant:
[tex]cos(x) = 1/sin(x)[/tex]
Then, we substitute this into the left-hand side of the identity:
[tex]sin(x)(csc(x) - sin(x)) = sin(x)(1/sin(x) - sin(x))\\= sin(x)/sin(x) - sin^2(x)\\= 1 - sin^2(x)[/tex]
Using the Pythagorean identity for sine and cosine, we know that:
[tex]1 - sin^2(x) = cos^2(x)[/tex]
Thus, the left-hand side of the identity simplifies to [tex]cos^2(x)[/tex], which is equal to the right-hand side of the identity.
Therefore, the identity is verified.
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Select all true equations.
The true equations from the given trig. expressions can expressed as;|
Cos 37 = Sin 53 ( true)Sin (90 – θ) = Cos θHow can the true equation be determined?From trigonometery tabel the value of the given angles are:
Cos 37 = 0.7986
Sin 53 = 0.7986
Tan 37 = -0.840
Tan 53 = -0.431
sin 37=-0.644
cos 53 = -0.918
sin37 = -0.644
Sin (90 – θ) = Cos θ
Then we can now be testing the options one after the other by equatiing the terms in right hand side to the one in the left hand sides after doind this we can see that the foirst and the last options are true statement
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3-4x <0 or 2x - 4> -2
Answer:
x ∈ (0,75; +∞) and x∈ (1; +∞)
Step-by-step explanation:
1) 3 - 4x < 0
-4x < -3 / : (-4)
x > 0,75
x ∈ (0,75; +∞)
2) 2x - 4 > -2
2x > -2 + 4
2x > 2 / : 2
x > 1
x∈ (1; +∞)
¿Qué cuadrante contiene al ángulo -3π / 4 ?
El ángulo -3π / 4 está en el tercer cuadrante del plano cartesiano.
What os 52,437 roundes ro the nearest thousand
52,437 rounded to the nearest thousand is 53,000.
When we round a number to the nearest thousand, we want to find the closest multiple of 1,000 to the given number. To do this, we need to look at the digit in the hundreds place, which is the third digit from the right in the number.
In the case of 52,437, the digit in the hundreds place is 4. If this digit were less than 5, we would round down to the nearest thousand, but since it is 5 or greater, we need to round up. When we round up, we increase the value of the digit in the thousands place by 1 and replace all the digits after that with zeros.
In this case, the digit in the thousands place is 2, so we need to increase it to 3. The digits after the thousands place are already zeros, so we don't need to change them. Therefore, when we round 52,437 to the nearest thousand, we get:
52,437 rounded to the nearest thousand = 53,000
So 52,437 rounded to the nearest thousand is 53,000.
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Glen spends a total of 9 hours writing a paper and finishing a project. He spends x hours on the paper and y hours finishing the project. Glen spends
1/1/2 more hours on the paper than he spends on the project. How many hours does Glen spend writing the paper?
Glen spends average 1 1/2 times more hours writing the paper than finishing the project, so he spends 9x/(x+y) hours writing the paper and 9y/(x+y) hours finishing the project.
Glen spends a total of 9 hours writing a paper and finishing a project. We can define x as the number of hours he spends writing the paper and y as the number of hours he spends finishing the project. Since Glen spends 1 1/2 times more hours writing the paper than finishing the project, we can set up an equation that states that x = 1.5y. We can then substitute 1.5y for x in the equation for the total number of hours, 9x + 9y, and simplify it to 9(1.5y + y). This simplifies to 13.5y and since y = x/1.5, we can substitute x/1.5 for y and get 13.5(x/1.5). Simplifying this equation, we get 9x, meaning that Glen spends 9x hours writing the paper and 9y/(x+y) hours finishing the project.
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A 9-meter roll of red ribbon costs $7.92. What is the unit price?
The unit price of the red ribbon is $0.88 per meter.
What is rate ?
A rate is a measure of the speed of something in relation to another quantity or measurement. It is a ratio that expresses how much of one quantity occurs in a given amount of another quantity. In other words, it is a comparison of two different measurements.
To find the unit price of the red ribbon, we need to divide the total cost by the number of units (in this case, meters) in the roll:
Unit price = cost / Number of units
In this case, the total cost is $7.92 and the number of units is 9 meters. So, we have:
Unit price = $7.92 / 9 meters
Using a calculator or by performing long division, we can simplify this expression to find the unit price:
Unit price = $0.88 per meter
Therefore, the unit price of the red ribbon is $0.88 per meter.
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