Answer: 10.008 cm
Step-by-step explanation:
The formula for the surface area of a cone is:
SA = πr² + πrℓ
where r is the radius of the base, ℓ is the slant height, and π is the mathematical constant pi.
In this case, we know that the radius of the cone is 5 cm and the surface area is 314 square centimeters. So we can write:
314 = π(5)² + π(5)ℓ
Simplifying the right-hand side:
314 = 25π + 5πℓ
Subtracting 25π from both sides:
314 - 25π = 5πℓ
Dividing both sides by 5π:
(314 - 25π) / (5π) = ℓ
Using a calculator to approximate π:
ℓ ≈ 10.008
So the slant height of the cone is approximately 10.008 cm.
Pls just say a b c or d
The prοbabiIity οf the spinner stοpping at green and a yeIIοw card being seIected is 1/18.
What is PrοbabiIity?PrοbabiIity is a measure οf the IikeIihοοd οf an event οccurring, expressed as a number between 0 and 1. It is caIcuIated as the number οf favοrabIe οutcοmes divided by the tοtaI number οf pοssibIe οutcοmes.
The prοbabiIity οf the spinner stοpping at green is 1/3 since there are three equaI parts.
The prοbabiIity οf seIecting a yeIIοw card frοm the six cards is 1/6 since there is οne yeIIοw card οut οf six cards in tοtaI.
Tο find the prοbabiIity οf bοth events happening, we muItipIy the individuaI prοbabiIities:
P(green and yeIIοw) = P(green) * P(yeIIοw)
= (1/3) * (1/6)
= 1/18
Therefοre, the prοbabiIity οf the spinner stοpping at green and a yeIIοw card being seIected is 1/18.
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PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
9
Step-by-step explanation:
\(3 \frac{3}{4} + 5 \frac{1}{4} = 8 \frac{4}{4} = 9\)
\(\rule{300}{2}\\\dashrightarrow\large\textsf{\textbf{\underline{Given question:-}}}\)
[refer to attachment for question]
\(\dashrightarrow\large\textsf{\textbf{\underline{Answer and how to solve:-}}}\)
In order to find out how many miles Peter rode overall, we need to add the number of miles he rode on Monday + the number of miles he rode on Tuesday:-
\(\bold{3\dfrac{3}{4}} +\bold{5\dfrac{1}{4}}\)Since the denominators match, we can just add the numerators and the whole parts:-
\(\bold{(3+5)\dfrac{4}{4}}\)\(\bold{8\dfrac{4}{4}}\)\(\bigstar\) Which results in
\(\boxed{\bold{9\:Miles}}\)
Good luck with your studies.\(\rule{300}{1}\)
evaluate the expressions for when t=-1;v=2;w=3
t=-1, v=2, w=3. Applying the order of operations, we first do the addition and subtraction from left to right, resulting in -1 + 2 - 3 = -2.
What is operations?Operations is an area of business which focuses on the effective and efficient production of goods and services. It is concerned with managing the process of converting inputs (e.g. labor, raw materials, energy, and capital) into outputs (e.g. solutions, goods, and services). Operations employs a variety of strategies, tools, and techniques to maximize efficiency and productivity. These may include process design, facilities planning, inventory control, quality assurance, scheduling, supply chain management, and process improvement. Operations management is a critical component of successful businesses, as it is responsible for creating, delivering, and sustaining products and services.
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solve for x in [0, π]: 2 cos(x) > sec(x)
The value for x is 7π/6 and 11π/6.
sin2xsecx+2cosx=0
(2sinxcosx)(1/cosx)+2cosx=0
sinxcosx/cosx+2cosx=0
So,
2sinx+2cosx=0
2(sinx+cosx)=0
(2(sinx+cosx))²=0
4(sin²x+cos²x+2sinxcosx)=0
hence,
(sin²x+cos²x+2sinxcosx)/4=0/4
sin2x+cos2x+2sinxcosx=0
1+sin2x=0
sinx=−1/2
=7π/6 and 11π/6
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he following table provides data on three popular protein supplements. (figures shown correspond to a single serving.) protein (g) carbohydrates (g) sodium (mg) cost ($) designer whey (next) 18 2 80 0.50 muscle milk (cytosport) 32 16 240 1.60 pure whey protein stack (champion) 24 3 100 0.60 you are thinking of combining designer whey and muscle milk to obtain a 7-day supply that provides exactly 262 grams of protein and 54 grams of carbohydrates. how many servings of each supplement should you combine in order to meet your requirements? designer whey servings muscle milk s
To meet your requirements for a 7-day supply, you should combine 11 servings of Designer Whey and 2 servings of Muscle Milk.
Let x be the number of Designer Whey servings and y be the number of Muscle Milk servings.
Use the protein requirements to set up an equation:
18x + 32y = 262 (Designer Whey has 18g of protein per serving, and Muscle Milk has 32g per serving)
Use the carbohydrate requirements to set up a second equation:
2x + 16y = 54 (Designer Whey has 2g of carbohydrates per serving, and Muscle Milk has 16g per serving)
Now you have a system of two linear equations:
18x + 32y = 262
2x + 16y = 54
To solve this system, first simplify the second equation by dividing by 2:
x + 8y = 27
Rearrange the simplified equation to isolate x:
x = 27 - 8y
Substitute the expression for x from step 4 into the first equation:
18(27 - 8y) + 32y = 262
Distribute the 18 and simplify the equation:
486 - 144y + 32y = 262
Combine like terms and solve for y:
-112y = -224
y = 2
Substitute the value of y back into the expression for x from step 4:
x = 27 - 8(2)
x = 27 - 16
x = 11
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researchers analyzed data from more than 5000 adults and found that the more diet sodas a person drank, the greater the person's weight gain. does this mean that drinking diet soda causes weight gain? choose a more plausible explanation for this association.
While the study found an association between diet soda and weight gain, it does not necessarily mean that it causes weight gain. There could be other explanations for this association.
One possible explanation is that people who are already overweight or at risk of gaining weight are more likely to consume diet soda to control their calorie intake. These individuals may also be more likely to engage in other behaviors contributing to weight gain, such as consuming high-calorie foods and engaging in a sedentary lifestyle.
Another explanation is that the artificial sweeteners used in diet soda may interfere with the body's natural ability to regulate calorie intake, leading to increased cravings for high-calorie foods and, ultimately, weight gain. However, more research is needed to understand the impact of artificial sweeteners on weight gain fully.
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Find the value of x.
The sum of triangle angles = 180
180 = 90 + 2x +15 + x
75 = 3x
x = 25
Answer:
→x=25°
Step-by-step explanation:
→2x+15+x+90°=180°[Sum of a triangle is 180]
→3x+105°=180°
→3x=180°-105°
→x=75°/3
→x=25°
Hope it will help you.
Which of the following are whole numbers ?
Answer:
-1 and 3 should be right
Answer:
3
Step-by-step explanation:
Whole numbers are non-negative integers
A whole number can be 0 or positive with decimal/fraction part
11.94-6.99 divided by .55
17 The table shows the probabilities that a biased dice will land on 2, on 3, on 4, on 5 and on 6
Number on dice
Probability
1
2
0.17
3
4
0.18 0.09
5
0.15
6
0.1
Neymar rolls the biased dice 200 times.
Work out an estimate for the total number of times the dice will land on 1 or on 3
The total number of occasions the dice would land on 1 or 3 is 98.
What are the components of probability?The probability space associated with a randomly chosen experiment is established by three components: the result space, whose element is an experiment outcome, a collection of events F whose elements represent subsets of, and a probability measure IP assigned towards the elements in F.
How do you get good at probability?As a result, for problems like Cards, Coins, and Dices, it is preferable to record the potential scenarios and determine the individual probabilities of each case before ORing/ANDing them in accordance with the problem demand. If done correctly, this will provide a great solution that will never fail you.
According to the given data:All of the probability will add upto 1.
this give us the equation:
P(1)+0.17 + 0.18 + 0.09 + 0.15 + 0.1 = 1
P(1) + 0.69 = 1
P(1) = 1 - 0.69
P(1) = 0.31
We now need to find the probability of 1 or 3
P(1 or 3) = P(1) + P(3)
= 0.31 + 0.18
= 0.49
We now use the predicting outcomes formula.
expected = P(1 or 3) x no. of times.
= 0.49 x 200
= 98
the total number of times the dice will land on 1 or on 3 = 98.
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1 .50+35=5(_____+7). 2._______+39=3(3+13) choices for number 2 16,1,5,9 . choices for number 1. 5,10,2,4
Answer:
1) 10
2) 9
Step-by-step explanation:
50+35=5(10+7) because 5*10=50 and 5*7= 35
9+39=3(3+13) because 3*3=9 and 3*13=39
Please and thanks!!!
Determine the slope of the line passing through each pair of points. (5, 8) and (-4, 6)
Answer:
picture?
Step-by-step explanation:
True/False based on the t-test assuming equal variances on the t-testequal worksheet, it is reasonable to assume that the variances are equal?
Based on the t-test assuming equal variances a. Examining the ratio of the variances, it is reasonable to conclude that the variances are unequal."
It is vital to establish whether or not the variances of the two groups being compared are indeed identical before performing a t-test under the assumption of equal variances. This is significant since the t-calculation statistic depends on the assumption that variances are equal.
One can look at the ratio of the variances between the two groups to evaluate the assumption of equal variances. Typically, it is acceptable to infer that the variances are not equal if the ratio of the variances is more than two or lower than half. One can presume that the variances are equal in the absence of such proof. Since the variances are not equal, it is not logical to infer that they are.
Complete and correct Question:
Based on the t-test assuming equal variances on the T-Test Equal worksheet, is it reasonable to assume that the variances are equal?
a. Examining the ratio of the variances, it is reasonable to conclude that the variances are unequal.
b. Whether the variances are equal or not is not relevant for this situation.
c. Examining the ratio of the variances, it is reasonable to conclude that the variances are equal.
d. It is impossible to determine if the variances are equal given the data we have.
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Use the function to find f(2) f(x) = 3x + 4
Answer:
I love Math anyways
The ans is in the picture with the steps how i got it
(hope this helps can i plz have brainlist :D hehe)
Step-by-step explanation:
anna lisa bought two dozen apples for $\$$15.60. at that same rate, how much would three dozen of these apples cost?
Three dozen of these apples cost if Annalisa bought is equivalent to $23.40.
Given that:
Annalisa bought two dozen apples for $15.60.
Therefore, the value of one dozen apples will be calculated by dividing both values by 2.
i.e. We can say that,
Annalisa bought one dozen apples for $15.60/2 = $7.80.
So, we have to find out the value of three dozen of these apples.
Hence, we multiply both the 3 to get the cost of three dozen of apples.
Multiplying we get,
Annalisa if bought three dozen apple costs = $7.80 x 3 = $23.40.
We also know that, one dozen = 12 apples
So, three dozen = 36 apples
Therefore, we can say the cost of one apple = 23.40/36 = $0.65
Hence, it costs $23.40 for three dozen apples to Annalisa.
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You know 1000 mg = 1g. Convert 2.5 grams into milligrams.
Answer:
2.5 gramms = 2.500,000 Milligram (mg)
Step-by-step explanation:
multiply the mass value by 1000
PLS ANSWER
An equation is shown below.
X²=64
Which is a possible value of the expression 2x–20?
a -2
b 2
c -4
d 4
Answer:
The answer would be C. -4.
Step-by-step explanation:
x^2=64
x=8
2(8)-20=-4
X²=64 ----- 1️⃣
2x-20 ----- 2️⃣
By equation 1️⃣ we have:
\( \sf {x}^{2} = 64 \\ \sf \: x = \sqrt{64} \\ \sf \: x = 8\)
Substitute this value into equation 2️⃣:
\( \sf \: 2x - 20 \\ \sf \: 2 \times 8 - 20 \\ \sf \: 16 - 20 \\ \boxed{ \tt \: - 4}\)
3. Suppose that bı, b2, 63, ... is a sequence defined as follows: b1 = 3, b2 = 5 bk = 3bk-1 3bk-1 – 25k-2 for every integer k ≥ 3.
Prove that bn 21 + 1 for each integer n ≥ 1.
Principle of mathematical induction, the statement holds for all integers n ≥ 1 .we have proved that bn = 2n + 1 for each integer n ≥ 1.
Base case
Let's first check if the statement holds for the base case n = 1.
When n = 1, we have b1 = 3. And indeed, 2^1 + 1 = 3. So, the statement holds for the base case.
Inductive step
Assume that the statement holds for some integer k, i.e., assume that bk = 2k + 1.
Now, let's prove that the statement holds for k + 1, i.e., we need to show that b(k+1) = 2(k+1) + 1.
Using the given recursive definition of the sequence, we have:
b(k+1) = 3b(k) - 3b(k-1) - 25(k+1-2)
= 3(2k + 1) - 3(2(k-1) + 1) - 25k
= 6k + 3 - 6k + 3 - 25k
= -19k + 6
= 2(k+1) + 1
So, the statement holds for k + 1.
By the principle of mathematical induction, the statement holds for all integers n ≥ 1.
Therefore, we have proved that bn = 2n + 1 for each integer n ≥ 1.
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need a step by step explanation pls help me
Answer:
This is my guess...
"Even today, the need for work is a common reason people move to urban areas."
Step-by-step explanation:
The article talks about technology and how it lead to bigger cities in the past. Because we are reading about prior years, there is no need to talk about the present day.
Line AB is perpendicular to line CB.
A(2,3), B(5,7) C(x,8)
What is the value of x to make this statement true?
Answer:
Step-by-step explanation:Hly/3fcEdSxere's li\(^{}\)nk to the answer:
bit.\(^{}\)
Answer:
a 2 and 3 step by step exolaniation
Stone runs 1 mile five times a week. How many miles does 4 he run each week? Write the equation you would use to solve. Then, fill in the grid with your answer. Tip: Fill in your answer as a fraction greater than 1.
The number of miles in 4 weeks is 20 mules
How to determine the number of milesFrom the question, we have the following parameters that can be used in our computation:
Stone runs 1 mile five times a week
This means that the rate is
Rate = 1 mile * 5 per week
So, we have
Rate = 5 miles per week
For 4 weeks, we have
Distance = 5 * 4
Evaluate
Distance = 20 miles
Hence, the distance is 20 miles
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3. Marlene's meal at KFC costs there was a 10% service $110. How much will she pay altogether if charge and a 9% government tax on bills?
Marlene will have to pay a Total of $131.89 if there is a 9% government tax on bills.
Marlene had a meal at KFC which cost her $110, and there was an additional 10% service charge. We have to determine the total cost of her meal, including the 9% government tax on bills. To find out the total cost of the meal, we'll use the following steps:
Step 1: Calculate the service charge service Charge = 10% of $110Service Charge = (10/100) × $110Service Charge = $11
Step 2: Calculate the subtotal Subtotal = Cost of meal + Service charge Subtotal = $110 + $11Subtotal = $121
Step 3: Calculate the government tax Government Tax = 9% of Subtotal Government Tax = (9/100) × $121Government Tax = $10.89
Step 4: Calculate the total cost Total Cost = Subtotal + Government Tax Total Cost = $121 + $10.89Total Cost = $131.89
Therefore, Marlene will have to pay a total of $131.89 if there is a 9% government tax on bills.
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identify the kind of sample that is described. a news reporter at a family amusement park asked a random sample of kids and a random sample of adults about their experience at the park. the sample is a sample.
The kind of sample that is described is a random sample. A random sample is a type of probability sampling method where every member of the population has an equal chance of being selected for the sample.
In this case, the news reporter selected a random sample of kids and a random sample of adults at the family amusement park, which means that every kid and every adult had an equal chance of being selected to participate in the survey. Random sampling is important because it ensures that the sample is representative of the population, which allows for more accurate and generalizable conclusions to be drawn from the results.
By selecting a random sample, the news reporter can report on the experiences of a diverse group of individuals at the amusement park.
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Write an equation in point-slope form of the line that passes through the given points, then write the equation in slope-intercept form.
Answer:
(-3,5) (6,2) (Plug in these points into (y2-y1)/(x2-x1) to find the slope)
2-5/6-(-3)
-3/9
-1/3 is the slope
y - y1 = m(x -x1) (this is point slope form)
y - 5 = -1/3 (x +3) (you plug in the x &y values from the first set of coordinates)
y -5 = -1/3x -1 (you get to slope intercept form by solving from point slope)
y = -1/3x +4 (this is slope intercept form)
Step-by-step explanation:
A triangle has side lengths measuring 2x 2 ft, x 3 ft, and n ft. which expression represents the possible values of n, in feet? express your answer in simplest terms. x – 1 < n < 3x 5 n = 3x 5 n = x – 1 3x 5 < n < x – 1
The expression x – 1 < n < 3x + 5 represents the possible values of n, in feet whose side lengths are (2x+2) ft, (x+3) ft, and n ft.
What is the triangle?The triangle can be defined as a three-sided polygon in geometry, and it consists of three vertices and three edges. The sum of all the angles inside the triangle is 180°.
We have a triangle whose side lengths measures are (2x+2) ft, (x+3) ft, and n ft.
If we take the first two sides are (2x+2) ft, (x+3) ft, and third is n ft.
By the triangle property, that sum of the two sides is always greater than the third side.
2x+2+x+3 > n
3x+5 > n .....(1)
Now take first two sides as n ft, (x+3) ft, and third side (2x+2) ft
n+x+3 > 2x+2
n > x-1 .....(2)
From the inequality (1) and (2), we get:
x – 1 < n < 3x + 5
Thus, the expression x – 1 < n < 3x + 5 represents the possible values of n, in feet whose side lengths are (2x+2) ft, (x+3) ft, and n ft.
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the area of a rectangle can be represented by the expression x^2 + 7x - 44. what could be the dimensions of the rectangle, in terms of x?
Answer: We can factor the expression x^2 + 7x - 44 to find the possible dimensions of the rectangle:
x^2 + 7x - 44 = (x + 11)(x - 4)
Therefore, the dimensions of the rectangle in terms of x could be:
Length: x + 11
Width: x - 4
Note that both dimensions must be positive, so x > 4.
Step-by-step explanation:
can i have some help please( BRAINLLEST)
Answer:
2
-3
same thing
Step-by-step explanation:
which is examples of generating the workpart geometry in machining as opposed to forming the geometry
Instead of developing the geometry, some examples of creating the workpart geometry during machining include:
contour turning profile millingExplain the term contour turning and profile milling?Contour turning:
One particular type of machining done on CNC lathes is contour turning. The turning tool must still be moved in either a trajectories of either a complex flat curve (the toolpath) depending on the part profile during the finishing operation to create a part profile.When turning a contour, the cutting tool follows the path axially along a predetermined geometry. To make the desired curves in the workpiece, a contouring tool must make several passes.Profile milling:
A typical milling procedure is profile milling. Ball nose end mills include milling cutters in use for finishing and superfinishing, while round inserts and conceptions with a radius are milling cutters in use for roughing and semi-roughing.A type of milling procedure called profile milling includes multi-axis milling of convex or concave geometries in two or three dimensions. It is typically used to finish or semi-finish vertical or slanted surfaces.To know more about the workpart geometry, here
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please help me :) there is a picture