The answer would be 8.5
Answer:
31
Step-by-step explanation:
=3^3 +(16+2×4)÷6
=3^3 +(16+8)÷6
=27+(16+8)÷6
=27+(24)÷6
=27+24÷6
=27+4
=31
does this method require a parameter? if so, what type of parameter is required? what happens if you pass a different type of parameter instead? (try it
The type parameters act as placeholders for the types of the arguments passed to a method. The type parameter names throughout the method declaration must match those declared in the type parameter list.
Pass an array as a pointer to pass it as a parameter to a function (since it is a pointer). For instance, the following method sets array A's first n cells to 0.
In C++, an entire array cannot be provided as an argument. However, by mentioning the array's name, you can supply a pointer to an array without an index.
Only the array name is supplied as a parameter to pass a full array to a function. calculateSum(num), result But take note of how [] is used in the function specification. This tells the compiler that you are handing the function a one-dimensional array.
When we provide an array to a function as an argument, we are actually passing the address of the array in memory, which is the reference. To pass an array to a function, simply pass the array as the function's parameter (like normal variables).
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Answers for this problem?
Note that the square feet of carpet that will be required for this area is: 42 Square Feet of Carpet.
This is solved using the knowledge of the area of rectangles and right-angled triangles.
What is a right-angled triangle?A right-angled triangle is a triangle in which one of the angles is 90 degrees. The total of the other two angles is 90 degrees.
Note that the area of a right-angled triangle is given as:
A = (½)×b×h square units
Where b is breath and h is height.
Note as well that the area of the rectangle is given as Lx B
To solve the above problem, we must create one more right-angled triangle beside the one already created, then solve for the areas of the respective shapes.
Now that the shape has been divided in to two Right-angled Triangles and one rectangle (See the attached) their respective dimensions are given as follows:
1) Right Angled triangled A
B = 2ft
H = 3ft
Area = 1/2 2 * 3 = 3ft
2) Right-Angled Triangle B
B = 4ft
H = 3ft
A = 1/2 * 4 * 3
A = 6ft
3) Rectangle - C
L = 11ft
B= 3ft
A = 11 * 3 = 33 Ft.
Thus total square feet of outdoor carpet required is:
3 + 6 + 33
= 42 Square Feet of Carpet.
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hellllllpp mmmmeeeeee
Answer: quick math boi
Step-by-step explanation: photo maths
What is the coefficient of the third term of the trinomial? (In other words, what is C?)
(2x + 3) (4x − 1) = 8x²+ 10x − C
Answer:
-3
Step-by-step explanation:
You want to multiply (2x+3)(4x-1) which would give you:
-\(8x^2-2x+12x-3\\\\Simplify\\\\8x^2+10x-3\\\\\)
And because the other equation must equal this one you can assume that C is -3
It is claimed that 75% of puppies are house-trained by the time they are 6 months old. To investigate this claim, a random sample of 50 puppies is selected. It is discovered that 42 are house-trained by the time they are 6 months old. A trainer would like to know if the data provide convincing evidence that greater than 75% of puppies are house-trained by the time they are 6 months old. Are the conditions for inference met?
Yes, the conditions for inference are met.
No, one condition is not met.
No, two conditions are not met.
No, three conditions are not met.
There are three conditions for inference, which are:The sample is representative of the population.The sample size is sufficiently large.The sampling distribution is normal since the sample size is large enough.Below are the necessary steps to determine if the conditions for inference are met.
Step 1: Identifying the Population and Parameter Let p be the proportion of puppies that are house-trained by the time they are 6 months old. Since the objective is to determine if there is sufficient evidence to claim that p > 0.75, this implies that the hypothesis of interest is the alternative hypothesis which is:H1: p > 0.75 The null hypothesis, which is the complement of the alternative hypothesis, is:H0: p ≤ 0.75 Step 2: Checking the Randomization Condition The randomization condition is met if we assume that the 50 puppies are randomly selected from the population of all puppies.
The randomization condition is met.Step 3: Checking the Sample Size Condition A sample size of 50 puppies is not a small sample size, and this condition is met.Step 4: Checking the Independence Assumption It is assumed that the 50 puppies are independent. tribution to calculate the p-value or use the z-test for proportion to carry out the hypothesis test for the claim that more than 75% of puppies are house-trained by the time they are 6 months old.
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THE PROBLEM:
Kip had to renew his license and while sitting at the DMV he surveyed everyone else there, asking them their age. The data turned out to have normal distribution, the mean age was 41, and the standard deviation was 5.
1. On paper, make a bell curve with the appropriate values listed on the axis below. Show your teacher.
2. What % of people were below 31 years old?
3. What % of people were above 31 years old?
4. What % of people were between 41 and 46?
5. About what % of people were older than Kip (he's 38 years old)?
Answer:
1. To make a bell curve (a normal distribution) with a mean of 41 and a standard deviation of 5, we can use the following values on the x-axis:
x = 21, 26, 31, 36, 41, 46, 51, 56, 61
These values are symmetric around the mean of 41, and each value is one standard deviation away from the mean.
On the y-axis, we can mark the percentage of people in each interval, which is calculated using the area under the curve. The total area under the curve is 100%.
2. To find the percentage of people who were below 31 years old, we need to calculate the area under the curve to the left of x = 31. Using a standard normal distribution table or calculator, we can find this area to be approximately 0.0228, or 2.28%.
So, about 2.28% of people were below 31 years old.
3. To find the percentage of people who were above 31 years old, we can subtract the percentage of people below 31 years old from 100%.
100% - 2.28% = 97.72%
So, about 97.72% of people were above 31 years old.
4. To find the percentage of people between 41 and 46 years old, we need to calculate the area under the curve between x = 41 and x = 46. Using a standard normal distribution table or calculator, we can find this area to be approximately 0.3413, or 34.13%.
So, about 34.13% of people were between 41 and 46 years old.
5. To find the percentage of people older than Kip (who is 38 years old), we need to calculate the area under the curve to the right of x = 38. Using a standard normal distribution table or calculator, we can find this area to be approximately 0.6306, or 63.06%.
So, about 63.06% of people were older than Kip.
Step-by-step explanation:
90% is 60 of what number
Answer:
Step-by-step explanation:
150 90x 100/60
Two functions are described below
·Function 1: y is defined as a function of x by the equation y = 3 - 3x/5.
·Function 2: y is defined as a linear function of x by the table:
X Y
-5 12
-1 7.2
2 3.6
8 -3.6
Which statement is true?
A. The y-intercept of Function 2 is half the y-intercept of Function 1.
B. The y-intercept of Function 1 is half the y-intercept of Function 2.
Answer:
The answer is B
Hope this helped ;)
write the expression as a single logarithm log{3} 40 -log{3} 10 show all steps very clearly please
Answer:
Use the quotient property of logarithms, logb(x)−logb(y)=logb(xy) log b ( x ) - log b ( y ) = log b ( x y ) . log3(4010) log 3 ( 40 10 ). Step 2.
6. 2A and ZB are complementary angles. The measure of ZB is (4x), and the
measure of ZA is 50°. What is the value of x?
Answer:
x = 10°
Step-by-step explanation:
ZA + ZB = 90°
50° + 4x = 90°
4x = 90° - 50°
4x = 40°
x = 10°
Mike bought a new shirt for $39.95. The sales tax in his city is 8.25%. What was the sales tax amount on
the shirt that Mike bought? Sales tax =
Answer:
$3.30
Step-by-step explanation:
Shirt price * city sales tax = sales tax amount on shirt. $39.95 * 0.0825 = $3.30
PLEASE HELP and add a photo of your work and explain how you got the answer. I WILL MARK YOU BRAINLIEST IF YOU DO!! thanks!
The coordinates for the dilated figure would be A'(-2, 2), B'(-2, -1), C'(2, -1), and D'(2, 2).
The kind of dilation that was done is called a reduction.
What is a reduction dilation ?When you dilate a figure with a scale factor k = 1/3, you are performing a reduction, because the scale factor is between 0 and 1. In this case, the dilation will shrink the original figure by a factor of 1/3.
To find the coordinates of the dilated points, multiply the x and y coordinates of each point by the scale factor (1/3):
A' = (-6 x 1/3, 6 x 1/3) = (-2, 2)
B' = (-6 x 1/3, -3 x 1/3) = (-2, -1)
C' = (6 x 1/3, -3 x 1/3) = (2, -1)
D' = (6 x 1/3, 6 x 1/3) = (2, 2)
The coordinates of the dilated figure are A'(-2, 2), B'(-2, -1), C'(2, -1), and D'(2, 2). This type of dilation is a reduction, as the figure becomes smaller.
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12) Wendy is creating a board game. She wants to cut square game pieces that
1
measure 1 inches on each side from a piece of paper that measures 9 inches by 9
2
inches. How many game pieces can Wendy cut from the paper?
Answer: 36
Step-by-step explanation: I used a calculator to multiply 9 by 9 & 1 1/2 by 1 1/2. For 9 by 9 you get 81, for 1 1/2 by 1 1/2 you get 2 1/4. 81 divided by 2 1/4 is 36. You’re welcome sorry if I’m late!
Define Torsion, pure torsion and it's assumptions, torsion
equation and limitation of its formula?
Torsion refers to the twisting of a structural member due to the application of torque. Pure torsion occurs when a structural member is subjected to torsional loading only. It is analyzed using assumptions such as linear elasticity, circular cross-sections, and small deformations. The torsion equation relates the applied torque, the polar moment of inertia, and the twist angle of the member. However, this formula has limitations in cases of non-circular cross-sections, material non-linearity, and large deformations.
Torsion is the deformation that occurs in a structural member when torque is applied, causing it to twist. In pure torsion, the member experiences torsional loading without any other external forces or moments acting on it. This idealized scenario allows for simplified analysis and calculations. The assumptions made in pure torsion analysis include linear elasticity, which assumes the material behaves elastically, circular cross-sections, which simplifies the geometry, and small deformations, where the twist angle remains small enough for linear relationships to hold.
To analyze pure torsion, engineers use the torsion equation, also known as the Saint-Venant's torsion equation. This equation relates the applied torque (T), the polar moment of inertia (J), and the twist angle (θ) of the member. The torsion equation is given as T = G * J * (dθ/dr), where G is the shear modulus of elasticity, J is the polar moment of inertia of the cross-section, and (dθ/dr) represents the rate of twist along the length of the member.
However, the torsion equation has its limitations. It assumes circular cross-sections, which may not accurately represent the geometry of some structural members. Non-circular cross-sections require more complex calculations using numerical methods or specialized formulas. Additionally, the torsion equation assumes linear elasticity, disregarding material non-linearity, such as plastic deformation. It also assumes small deformations, neglecting cases where the twist angle becomes significant, requiring the consideration of non-linear relationships. Therefore, in practical applications involving non-circular cross-sections, material non-linearity, or large deformations, more advanced analysis techniques and formulas must be employed.
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if
f(x)=4x2−3x+7 , what is f(−2) ?
Answer:
D. 29 I just know the awnser sorry
To find the value of f(−2), we substitute −2 for x in the function f(x):
f(−2) = 4(-2)^2 − 3(-2) + 7
= 4(4) − 3(2) + 7
= 16 − 6 + 7
= 11
Therefore, f(−2) = 11.
50 Points
28 = -6a+ (-2a) + (-3) + 7
Answer:
28=-8a+4
Step-by-step explanation:
combine like terms
-6+-2=-8
-3+7=4
if you do not know the total number of handshakes, can you be certainthat there are at least two guests who had the same number of handshakes?
Yes, even if you don't know how many handshakes there were overall, you can be sure that there were at least two guests who had the same number.
Assume that the gathering will have n visitors. With the exception of oneself, each person may shake hands with n-1 additional individuals. For each guest, this means that there could be 0, 1, 2,..., or n-1 handshakes.
There will be the following number of handshakes if each guest shakes hands with a distinct number of persons (i.e., no two guests will have the same number of handshakes):
0 + 1 + 2 + ... + (n-1) = n*(n-1) divide by 2
The well known formula for the sum of the first n natural numbers . The paradox arises if n*(n-1)/2 is not an integer since we know that the actual number of handshakes must be an integer. The identical number of handshakes must thus have been shared by at least two other visitors.
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Pls help with this answer
When b is 3, the value of the expression \(2b^3 + 5\) is 59.
To evaluate the expression\(2b^3 + 5\) when b is 3, we substitute the value of b into the expression and perform the necessary calculations.
Given that b = 3, we substitute this value into the expression:
\(2(3)^3 + 5\)
First, we evaluate the exponent, which is 3 raised to the power of 3:
2(27) + 5
Next, we perform the multiplication:
54 + 5
Finally, we add the two terms:
59
Therefore, when b is 3, the value of the expression \(2b^3 + 5\) is 59.
In summary, by substituting b = 3 into the expression \(2b^3 + 5\), we find that the value of the expression is 59.
It's important to note that the provided equation has multiple possible solutions for x, but when b is specifically given as 3, the value of x is approximately 3.78.
It's important to note that in this equation, we substituted the value of b and solved for x, resulting in a specific value for x. However, if we wanted to solve for b given a specific value of x, we would follow the same steps but rearrange the equation accordingly.
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Huilan is 9 years older than Thomas. The sum of their ages is 101. What is Thomas's age?
ASAP! NO LINKS! EXPLAIN ANSWER!
when choosing between one-tailed and two-tailed tests, group of answer choices use a two-tailed test only if you have a convincing reason for not predicting a direction. use the one that is most likely to produce significant results. use a one-tailed test only if you have a convincing reason for predicting the direction. always use two-tailed tests.
The recommended approach when choosing between one-tailed and two-tailed tests is to use a two-tailed test only.
The choice between a one-tailed or two-tailed test should be based on the research hypothesis and the specific question being investigated.
If you have a convincing reason for not predicting a direction, and use the one that is most likely to produce significant results.
If the research hypothesis or question does not make a clear directional prediction, then a two-tailed test would be appropriate.
This is because a two-tailed test will consider the possibility of significant results in both directions of the distribution.
And is more conservative in its estimation of significance.
If the research hypothesis or question does make a clear directional prediction, then a one-tailed test would be appropriate.
This is because a one-tailed test will only consider the possibility of significant results in one direction of the distribution.
And is more powerful in detecting significant results in that specific direction.
Therefore, the answer is to use a two-tailed test only if you have a convincing reason for not predicting a direction, and use the one that is most likely to produce significant results.
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What is 6% of 15? Use a fraction to solve. A 9/10 B 6/10 C 3/50 D 6/100
Answer:
A 9/10
Step-by-step explanation:
6% is 0.06 so you do 0.6 times 15 so in decimal form it is 0.9=9/10
Answer:
9\10
I tried 9\10 and it was correct! :)
a boy is 8 years older than his brother. four years from now the boy will be twice as old as his brother. how old is each boy now
Answer:
boy would be 12 brother would be 6
Step-by-step explanation:
8+4 = 12
---- brother = 6
2
please help I am having trouble with geometry
Answer:
(B) 70
Step-by-step explanation:
Complementary angles are angles whose measures sum up to 90
90-70 = 20
complement 1 = 70
complement 2 = 20
70-20 = 50
this means 70 is 50 greater than its complement
70 is the only angle - out of the options that fulfills the criteria of being 20 greater than its complement
Answer:
B
Step-by-step explanation:
Complementary angles sum to 90°
let the angle be x then its complement is (90 - x) , so
x = 90 - x + 50
x = - x + 140 ( add x to both sides )
2x = 140 ( divide both sides by 2 )
x = 70
The angle measure is 70°
Please help!!
Find the equivalent rate:
300 miles in 20 seconds to miles per minute.
30 miles per min
15 miles per min
3 miles per min
Step-by-step explanation:
300/20 × 3/3 = 900/60
* 60 sec is 1 min therefore you want to get 60 secs in the denominator. In order to get that, you need to multiply.
900/60 divided by 60/60 is 15/1.
So 300m/20sec = 900m/60sec = 900mpm
If we're to do the same for all then it would be:
30m/20sec = 90m/60sec = 90mpm
15m/20sec = 45m/60sec = 45mpm
3m/20sec = 9m/60sec = 9mpm
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The value of the mean excluding the outlier is 130. 5
What is an outlier?An outlier can be defined as a data point that differs significantly or greatly from other observations.
It occurs as a result of;
variability in the measurement indication of novel dataexperimental errorFrom the information given, we have that;
121, 89, 410, 203, 55, 230, 182, 148, 135, 233, 11, 219, 108, 192
Since, the outlier is 410
The mean is given as;
= 121 + 89+ 203+ 55 + 230+182 + 148 + 135 + 233+ 11+ 219 + 108 + 192/13
Add the values
= 1696/13
= 130. 5
Hence, the value is 130. 5
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biblical tithing basically means you will give ______ percent of your income to the lord. 20 5 10 25
Biblical tithing basically means you will give 10 percent of your income to the lord.The word tithe refers to "tenth" or "tenth part," so biblical tithing implies offering one-tenth of one's income to the church.
Biblical tithing is the method of giving the first fruits of one's labor to the Lord. Tithing originated from the Old Testament in which people would offer 10% of their harvest to the Lord.Tithing is a way of giving back to God as well as to others, according to the Bible.
As a result, Christians are required to tithe a tenth of their earnings. While this might appear to be a significant amount of money, if Christians can trust God with their finances, they can discover that he blesses them in ways they never imagined. In the New Testament, there is no specific requirement to tithe, but Christians are urged to give generously to the church and those in need.
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(Chapter 14) fy(a,b) = limit as y approches b f(a,y)- f(a, b)/(y-b)
In summary, fy(a,b) is the slope of the tangent line to the surface defined by f(x, y) at the point (a, b) in the y-direction.
The given expression represents the partial derivative of f(x, y) with respect to y, evaluated at (a, b):
fy(a,b) = lim┬(y→b)〖[f(a,y) - f(a,b)]/(y - b)〗
Geometrically, this partial derivative represents the slope of the tangent line to the surface defined by f(x, y) at the point (a, b) in the y-direction.
To see why this is the case, consider the following argument:
Let L be the limit in the expression given above.
Let h = y - b be the change in the y-coordinate from b to y.
Then, we can rewrite the limit as:
fy(a,b) = lim┬(h→0)〖[f(a,b + h) - f(a,b)]/h〗
This expression represents the average rate of change of f(x, y) with respect to y over the interval [b, b + h].
As h approaches 0, this average rate of change approaches the instantaneous rate of change, which is the slope of the tangent line to the surface defined by f(x, y) at the point (a, b) in the y-direction.
Therefore, fy(a,b) is the partial derivative of f(x, y) with respect to y, evaluated at (a, b).
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Which term is not possible in the domain of a sequence?
The term that is not possible in the domain of a sequence is:
-5
What is the domain of a function?The domain of a function is the set that contains all possible input values for the function. For a sequence, the domain is the set that contains all the indexed of the terms, starting at 0 and going until the nth term.
For example, suppose we have the following sequence: 3, 5, 7, ...
The term with index 0 is 3.The term with index 1 is 5.The term with index 2 is 7.From what was explained above, which also can be visualized with the example, an index term of a sequence cannot be negative, hence the term that is not possible in the domain of a sequence is:
-5.
Which is the only negative number of the options.
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this is the hypothesis used in creating the box model for a test of significance. this hypothesis about the box (population parameter) corresponds with the idea that any observed difference between the sample outcome and the expected value is due to chance.
The hypothesis used in creating the box model for a test of significance. this hypothesis about the box (population parameter) corresponds with the idea that any observed difference between the sample outcome and the expected value is due to chance is the Null Hypothesis.
A statistical conjecture known as a null hypothesis asserts that certain characteristics of a population or data-generating process are not different from one another.
The alternative theory contends that there is a distinction. A method to reject the null hypothesis with a predetermined level of confidence is provided by hypothesis testing. The alternative hypothesis is supported if the null hypothesis can be rejected. The foundation of the scientific falsification principle is null hypothesis testing.
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when vlad moved to his new home a few years ago, there was a young oak tree in his backyard. he measured it once a year and found that it grew by 26 2626 centimeters each year. 4.5 4.54, point, 5 years after he moved into the house, the tree was 292 292292 centimeters tall. how tall was the tree when vlad moved into the house? centimeters how many years passed from the time vlad moved in until the tree was 357 357357 centimeters tall?
we can use the information given about its growth rate and the height after 4.5 years:So, it took 7 years from the time Vlad moved in until the tree was 357 centimeters tall.
Height increase per year = 26 centimeters
Years since Vlad moved in = 4.5 years
Height after 4.5 years = 292 centimeters
To calculate the initial height of the tree, we can multiply the growth rate by the number of years and add it to the starting height:
Initial height = Height after 4.5 years - (Height increase per year x Years since Vlad moved in)
Initial height = 292 - (26 x 4.5)
Initial height = 168 centimeters
Therefore, the tree was 168 centimeters tall when Vlad moved into the house.
To find out how many years passed from the time Vlad moved in until the tree was 357 centimeters tall, we can use the same formula and solve for the number of years:
Height increase per year = 26 centimeters
Initial height = 168 centimeters
Final height = 357 centimeters
To calculate the number of years, we can rearrange the formula as follows:
Years = (Final height - Initial height) / Height increase per year
Years = (357 - 168) / 26
Years = 6.04 years (rounded to two decimal places)
Therefore, it took approximately 6 years and 1 month for the tree to grow from 168 centimeters to 357 centimeters tall.
To determine the height of the oak tree when Vlad moved into the house, we can use the given information. The tree grows by 26 centimeters each year, and it was 292 centimeters tall after 4.5 years.
First, let's find the total growth during the 4.5 years:
26 cm/year * 4.5 years = 117 cm
Now, subtract the total growth from the current height to find the initial height:
292 cm - 117 cm = 175 cm
So, the oak tree was 175 centimeters tall when Vlad moved into the house.
To find out how many years passed until the tree was 357 centimeters tall, we can use the growth rate again:
First, find the difference in height between the target height (357 cm) and the initial height (175 cm):
357 cm - 175 cm = 182 cm
Now, divide the difference in height by the growth rate to find the number of years:
182 cm / 26 cm/year = 7 years
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