Answer:
Area= feet × width
= 3×2 7/8
=5.25
The base of a triangular pyramid is an equilateral triangle. Each side of the base measures 12 in. The area of the base is 62.4 in². The slant height of the pyramid is 6 in.
What is the surface area of the pyramid?
Enter your answer in the box.
The surface area of the pyramid is given by the equation A = 170.4 inches²
What is the surface area of the pyramid?The total surface area is the summation of the areas of the base and the three other sides. A = B + ( 1/2 ) ( P x h ), where B is the area of the base of the pyramid, P is the perimeter of the base, and h is the slant height of the pyramid
Surface Area of Pyramid = B + ( 1/2 ) ( P x h )
Given data ,
Let the surface area of the pyramid be represented as A
Now , the equation will be
The slant height of the pyramid h = 6 inches
The side of the equilateral triangle = 12 inches
So , the perimeter of the triangle = 3 x side length
Substituting the values in the equation , we get
The perimeter of the triangle = 36 inches
The area of the base = 62.4 inches²
So , Surface Area of Pyramid = B + ( 1/2 ) ( P x h )
Substituting the values in the equation , we get
Surface Area of Pyramid = 62.4 + ( 1/2 ) ( 36 x 6 )
On simplifying the equation , we get
Surface Area of Pyramid = 62.4 + ( 108 )
Surface Area of Pyramid = 170.4 inches²
Hence , the surface area of pyramid is 170.4 inches²
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The recommended storage temperature for a certain type of squash is 7°C to 15°C. Which inequality represents the possible storage temperatures F (in degrees Fahrenheit) of the squash.
Answer:
44.6 °F ≤ T ≤ 59 °F
Step-by-step explanation:
Firstly, we need to convert from celsius to Fahrenheit
That would be;
F =(9/5 * C) + 32
For 15
we have F = (9/5 * 15) + 32
F = 27 + 32 = 59 °F
for 7
we have F = (9/5 * 7) + 32
F = 12.6 + 32 = 44.6 °F
So we now write the inequality. That would be;
44.6 °F ≤ T ≤ 59 °F
Pls I need help this
Answer:
the third side is 4.
Step-by-step explanation:
Using Pythagorean theorem of a^2 + b^2 = c^2 for right triangles, substitute
the numbers to show (\(\sqrt{65})^{2}\) + \(b^{2}\) = \(9^{2}\) and solve for b. The square root and square cancel each other out, so you get 65 + \(b^{2}\) = 81.
Subtract 65 from both sides to get \(b^{2}\) = 16.
Then take the square root of both sides to get b = \(\sqrt{16}\) which equals 4.
A car-rental agency uses the equation y = $0.15x + 35 when renting out a vehicle each day. It shows the relationship between the number of miles driven(x) and the amount of each day of the car rental(y)
how much money does it cost to rent the vehicle for one day?
how much does it cost per mile of travel?
Answer:
I believe the answer is $5.25
Factor the following:
? + 7 + 10
(x
Be sure to include a + sign or sign with your number
a Provlous
PLZZZZZZZ HELP ME ASAP
Each side of a square is lengthened by 2 inches. The area of
this new, larger square is 36 square inches. Find the length of
a side of the original square.
Please help using systems of equations!!
Answer:
4 inches.
Step-by-step explanation:
Since the shape is a square, each side length will be the same. This mean that you must find the square root of 36 to find the length of each side of the new square.
√36=6
Each side of the new square is 6. It says it was lengthened by 2 inches. Subtract 2 from 6.
6-2=4
Each side of the original square is 4 inches.
Hope this helps!
Please mark as brainliest if correct!
consider the initial value problem: x1′=2x1 2x2x2′=−4x1−2x2,x1(0)=7x2(0)=5 (a) find the eigenvalues and eigenvectors for the coefficient matrix.
The coefficient matrix for the system is
[ 2 2 ]
[-4 -2 ]
The characteristic equation is
det(A - lambda*I) = 0
where A is the coefficient matrix, I is the identity matrix, and lambda is the eigenvalue. Substituting the values of A and I gives
| 2-lambda 2 |
|-4 -2-lambda| = 0
Expanding the determinant gives
(2-lambda)(-2-lambda) + 8 = 0
Simplifying, we get
lambda^2 - 6lambda + 12 = 0
Using the quadratic formula, we find that the eigenvalues are
lambda1 = 3 + i*sqrt(3)
lambda2 = 3 - i*sqrt(3)
To find the eigenvectors, we need to solve the system
(A - lambda*I)*v = 0
where v is the eigenvector. For lambda1, we have
[ -sqrt(3) 2 ][v1] [0]
[ -4 -5-sqrt(3)][v2] = [0]
Solving this system, we get the eigenvector
v1 = 2 + sqrt(3)
v2 = 1
For lambda2, we have
[ sqrt(3) 2 ][v1] [0]
[ -4 -5+sqrt(3)][v2] = [0]
Solving this system, we get the eigenvector
v1 = 2 - sqrt(3)
v2 = 1
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What is a gradient in mathematics
gradient, in mathematics, a differential operator applied to a three-dimensional vector-valued function to yield a vector whose three components are the partial derivatives of the function with respect to its three variables. The symbol for gradient is ∇.
Electrical potential acting on an ion and driving it in one direction or another is the definition of an electrical gradient..
The migration of particles (solutes) from a region of higher concentration to a region of lower concentration, separated by a membrane, is referred to as a concentration gradient.
An ion can travel across a membrane depending on the concentration of a solute thanks to an electrochemical gradient, which combines an electrical gradient with a concentration gradient.
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Susan and Samantha went to lunch at a café. They ordered a spinach salad for \$7.76. , a tuna sandwich for $4.50 and 2 glasses of lemonade for $1.90 each. The tax was $1.60. They gave the waiter $20.00. How much change should they have received?
Answer:
$2.34
Step-by-step explanation:
7.76+4.50+1.90+1.90+1.60=17.66
20-17.66=2.34
Answer:
answer is $2.34
Step-by-step explanation:
what you do is just $20.00-$7.76-$4.50-$1.90-$1.90-$1.60= $2.34
hope it helped
Triangle KLM has KL=29, KM=28, and LM=22. What is the area of the triangle?
Answer:
\(\huge\boxed{\sf 288.9\ unit\²}\)
Step-by-step explanation:
Given that,
a = 29
b = 28
c = 22
Perimeter:= Sum of all sides
= 29 + 28 + 22
= 79
Semi-perimeter:= P / 2
= 79 / 2
= 39.5
Area of triangle:Using heron's formula:= \(\sqrt{s(s-a)(s-b)(s-c)}\)
Where s is semi-perimeter.
Put the given data:
= \(\sqrt{39.5(39.5-29)(39.5-28)(39.5-22)}\)
= \(\sqrt{39.5(10.5)(11.5)(17.5)}\)
= \(\sqrt{83468.4}\)
≈ 288.9 unit²\(\rule[225]{225}{2}\)the sum of the digits of a three-digit number is 26. the number is multiplied by 7 , then by 11 , and finally by 13. how many times will the digit 9 occur in the final product?
1001 many times will the digit 9 occur in the final product.
First of all,
13×7 × 11 =1001
The result is 4 digit number and hence when multiplied by 3 digit number, it is resulting in the number repetition.
123× 1001 = 123123
445 × 1001 = 445445
Based on this logic we can assume that,
Any 02 digit number multiplied by 101 will result. For Example:99 × 101 = 9999
85× 101 = 8585
20 × 101 = 2020.
2. Any 3 digit number multiplied with 1001 will result in same pattern. for example:
123 × 1001 = 123123
997 × 1001 = 997997
500× 1001 = 500500
Ans so on.
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I need help finding m and b
Answer:
m=-4/5 and b=1
Step-by-step explanation:
The original formula is y=mx ±b and when asked to find those they are placed in the formula.
in each of the following cases, indicate whether classical, empirical, or subjective probability is used. a. a baseball player gets a hit in 34 out of 134 times at bat. the probability is 0.25 that he gets a hit in his next at bat. multiple choice 1 empirical subjective classical b. a five-member committee of students is formed to study environmental issues. what is the likelihood that any one of five are randomly chosen as the spokesperson. multiple choice 2 empirical subjective classical c. you purchase a ticket for the lotto canada lottery. over eleven million tickets were sold. what is the likelihood you will win the $1 million jackpot? multiple choice 3 empirical subjective classical d. the probability of an earthquake in northern california in the next 10 years above 11.0 on the richter scale is 0.82. multiple choice 4 empirical subjective classical
Since it is based on actual facts, the likelihood that the baseball player will get a hit in his subsequent at-bat is an empirical probability (the number of times the player got a hit out of the total number of times at bat).
What is meant by Empirical probability?Empirical probability is a method for calculating the probability of an event based on real-world data or the results of experiments. referred to as experimental probability. This approach is widely used in situations where estimating the probability of an event based on theoretical considerations is difficult or impossible, such as when flipping a coin or rolling a die.The empirical probability is calculated by dividing the total number of observations or trials by the frequency of the relevant event. If a coin is flipped 100 times and comes up heads 45 times, for example, the empirical probability of the coin landing heads is 45/100, or 0.45.A. Because it is based on observable data, the likelihood that the baseball player will get a hit in his subsequent at-bat is an empirical probability (the number of times the player got a hit out of the total number of times at bat).
b. Because it is based on equally plausible events in a limited sample space, the possibility that any one of the five students will be picked at random to serve as the spokesperson is a classical probability.
c. Because it is based on equally likely occurrences in a limited sample space, the chance of winning the $1 million prize in the Lotto Canada lottery is a classical probability.
d. The likelihood of an earthquake in northern California with a magnitude of 11.0 or higher during the next ten years is susceptible to interpretation because it is based on expert opinion rather on data collected from observation or equally plausible outcomes.
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PLEASE ANSWER THIS ASAP, 15 POINTS!
Answer:
The second one the amount of monthly sales
Step-by-step explanation:
The 2000 is the total
‼️ PLEASEEE HELPPP ‼️
Answer:
take out x+60 and = x+54 cross multiply for starters
three tiles are marked x and two other tiles are marked o. the five tiles are randomly arranged in a row. what is the probability that the arrangement reads xoxox?
The probability that the arrangement reads xoxox is 0.099
This question involves the advanced probability involving permutations.
So, whenever we have to get the probability of the events occurring together , we multiply their probabilities.
Here, I am denoting probability of x/o in n position as by 'p(x/o)n'.
So, we start from x in the first position, then p(x1)= 3/5=0.6
Now, for getting o in the second position , we have p(o2)= 2/4 =0.5 as the no. of tiles is now reduced to 4.
Similarly , for p(x3)= 2/3= 0.66
p(o4)= 1/2= 0.5
and in the last p(x5) = 1 since its a sure event as we are left with no tile now.
So, the total probability of xoxox is P= p(x1). p(o2).p(x3).p(o4).p(x5)
= (0.6)x (0.5) x (0.66) x (0.5) x 1 = 0.099
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Sue washes 25 cars in 5 hours. This means Sue washes cars per hour
Answer:
she washes 5 cars per hour
Answer:
Sue washes 5 cars an hour
Step-by-step explanation:
25/5 = 5 cars an hour
ratio 15 to 6 in simplist form
Answer:
5 to 3
Step-by-step explanation:
15/3=5
6/3=3
Answer:
5:2
Step-by-step explanation:
15:6 can both be divided by 3, 15/3 = 5, 6/3 = 2, making the ratio,
5:2 hope i helped you (and could i have brainliest it would help me!)
This problem is about mean,mode,median.
I need someone's help on figuring out this process.
Answer:
mean
Step-by-step explanation:
for the food described, find what percent of total calories is from fat. if necessary found to the nearest tenth of a percent
SOLUTION
From the question, we have been told that the total calories is 100
Calories from fat is 10
Percent of fat becomes
\(\begin{gathered} \frac{10}{100}\times100\% \\ =10.0\% \end{gathered}\)Hence the answer is 10.0%
what does the cli option on the model statement of an mlr analysis in proc glm do? question 1select one: a. produce prediction intervals for the slope parameters. b. produce confidence intervals for the mean response at all predictor combinations in the dataset. c. produce confidence intervals for the slope parameters. d. produce prediction intervals for a future response at all predictor combinations in the dataset.
The CLI option on the MODEL statement of an MLR analysis in PROC GLM produces confidence intervals for the mean response at all predictor combinations in the dataset. b
The CLI option stands for "Confidence Level of Intervals," and it specifies the level of confidence for the confidence intervals produced.
By default, the CLI option is set to 0.95, which means that the confidence intervals produced will have a 95% level of confidence.
These confidence intervals provide a range of values within which the true mean response at a particular combination of predictor values is expected to fall with a specified level of confidence.
They can be useful for assessing the uncertainty associated with the estimated mean response at different combinations of predictor values and for making inferences about the relationships between predictors and the response variable.
The CLI option, which stands for "Confidence Level of Intervals," defines the degree of confidence in the confidence intervals that are generated.
The CLI option's default value of 0.95 designates a 95% degree of confidence for the confidence intervals that are generated.
With a given degree of confidence, these confidence intervals show the range of values within which the real mean response for a specific set of predictor values is anticipated to fall.
They can be helpful for determining the degree of uncertainty surrounding the predicted mean response for various combinations of predictor values and for drawing conclusions on the connections between predictors and the response variable.
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What is the solution to the system of equations shown in the graph? -2,0 2,2 0,-2, 1,0
Answer:
B
Step-by-step explanation:
what do the symbols p with hat on top, x with bar on top, and s represent? variables of interest sample statistics defined variables population parameters
The symbols p,x, and s represent sample statistics.
- p (pronounced "p-hat") is the sample proportion. It is used to estimate the population proportion. It is computed as the number of successes in the sample divided by the sample size.
-x (pronounced "x-bar") is the sample mean. It is used to estimate the population mean. It is computed as the sum of all the values in the sample divided by the sample size.
- s is the sample standard deviation. It is used to estimate the population standard deviation. It measures how spread out the data is in the sample. It is computed as the square root of the sum of the squared deviations from the sample mean divided by the sample size minus one.
These sample statistics are used to make inferences about the corresponding population parameters, which are denoted by Greek letters such as μ (mu) for the population mean and σ (sigma) for the population standard deviation.
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State the amplitude, period, phase shift, and vertical shift of the function kt=cos2pit/3
Answer:
The given function is k(t) = cos(2πt/3).
The general form of a cosine function is A*cos(Bx - C) + D, where:
A is the amplitudeB is the frequency (which is related to the period)C is the phase shiftD is the vertical shiftComparing this form to the given function, we can see that:
The amplitude of k(t) is A = 1, since the maximum value of the cosine function is 1 and the minimum value is -1.The frequency of k(t) is B = 2π/3, since the argument of the cosine function is 2πt/3. The frequency is related to the period T by the formula T = 2π/B. Therefore, the period of k(t) is T = 3.The phase shift of k(t) is C = 0, since there is no horizontal shift in the argument of the cosine function.The vertical shift of k(t) is D = 0, since the average value of the cosine function over one period is zero.Therefore, the amplitude of k(t) is 1, the period of k(t) is 3, the phase shift of k(t) is 0, and the vertical shift of k(t) is 0.
A linear function,f, has a slope of -2. F(1) =2 and f(2)=t. Find t
Answer:
t = 0
Step-by-step explanation:
\(slope = \frac{f(2) - f(1)}{2 - 1}\)
\(-2 = \frac{t - 2}{1}\\\\-2 = t - 2\\\\t = 0\)
All received a $1200 bonus. He decided to invest it in a 3-year certificate of deposit (CD) with an annual interest rate of 1.27% compounded monthly.
Answer the questions below. Do not round any intermediate computations, and round your final answers to the nearest cent.
(a) Assuming no withdrawals are made, how much money is in All's account
after 3 years?
(b) How much interest is earned on All's investment after 3 years?
After 3 years, all's accounts will have approximately $1302.84.
The interest earned on All's investment after 3 years is $102.84.
We have,
(a)
The formula for the future value of a CD with monthly compounding.
FV = P(1 + r/12)^(12n)
where:
P = the principal amount (initial investment)
r = the annual interest rate (as a decimal)
n = the number of years
In this case,
All invest $1200, the interest rate is 1.27% compounded monthly, and the investment is for 3 years.
Plugging these values into the formula, we get:
FV = 1200(1 + 0.0127/12)^(12*3) ≈ $1302.84
(b)
To find the amount of interest earned, we subtract the initial investment from the future value:
Interest = FV - P
= $1302.84 - $1200
= $102.84
Thus,
After 3 years, all's accounts will have approximately $1302.84.
The interest earned on All's investment after 3 years is $102.84.
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Answer:
Step-by-step explanation:
Who can help!!! asap
Answer:
0.33= 33/100
Hope it helps...2x - 6y = 16 and x + y = 4 In comparison method. |
STRUGGLING ON THIS pls.
The solution to the system of equations is x = 5 and y = -1.
What are Systems of equations?Simultaneous equations, a system of equations Two or more equations in algebra must be solved jointly (i.e., the solution must satisfy all the equations in the system). The number of equations must match the number of unknowns for a system to have a singular solution.
There are four methods for solving systems of equations: graphing, substitution, elimination, and matrices.
Given a system of equation 2x - 6y = 16 and x + y = 4
Let's start with the second equation:
x + y = 4
We can solve for one of the variables, say y, by subtracting x from both sides:
y = 4 - x
Now we can substitute this expression for y into the first equation:
2x - 6y = 16
2x - 6(4 - x) = 16
Expanding and simplifying, we get:
2x - 24 + 6x = 16
Combining like terms, we get:
8x - 24 = 16
Adding 24 to both sides, we get:
8x = 40
Dividing both sides by 8, we get:
x = 5
Now we can substitute this value of x into either of the original equations to find y. Let's use the second equation:
x + y = 4
5 + y = 4
Subtracting 5 from both sides, we get:
y = -1
Therefore, The solution to the system of equations is x = 5 and y = -1.
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What is the surface area of a cylinder with a radius of 6 cm and a height of 3 cm?
A.108cm
B.72cm
C.54cm
D.36 cm?
Step-by-step explanation:
2πr^2h
2*22/7*6*6*3
2*22/7*36*3
2*22/7*108
HI GUYS PLEASE HELPP, PLEASE!!!
THANKS SO MUCH FOR THE HELP TO WHOEVER HELPED
PLEASE BE RELEVANT!!
3. Determine the final price of purchasing a bouquet of flowers at $12.99 by first applying a coupon of 12% and then adding the sales tax of 13%.
Answer:‘12.92
Step-by-step explanation:
Answer:
Step-by-step explanation:
$12.99
applying coupon
\(12.99(1-12\%) = 12.99*88\% = 11.4312\\11.4312 * (1+13\%) = 12.917=12.92\)