Answer:
The maximum height occurs at the vertex of the parabolic equation, which is given by the formula:
t = -b/2a
where a = -16 and b = 20. Substituting these values, we get:
t = -20 / (2 * -16) = 0.625 seconds
To find the maximum height, we can substitute this value of t back into the original equation:
h = -16(0.625)^2 + 20(0.625) + 19
h = -6.25 + 12.5 + 19
h = 25.25 feet
Therefore, the maximum height the ball reaches is 25.25 feet.
Answer:
h=16(t+5/8)^2+51/4
h=25.25
 In a triangle, the second angle measures two times the first. The measure of the third angle is 170° more than the measure of the second. Find the measures of the three angles
Answer: Let's call the first angle "x".
From the problem statement, we know that the second angle is two times the first, so:
Second angle = 2x
We also know that the third angle is 170° more than the second angle, so:
Third angle = Second angle + 170°
Third angle = 2x + 170°
We know that the sum of the three angles in a triangle is 180°, so we can set up an equation:
x + 2x + (2x + 170°) = 180°
Simplifying and solving for x:
5x + 170° = 180°
5x = 10°
x = 2°
So the first angle is 2°. Using this value, we can find the other two angles:
Second angle = 2x = 2(2°) = 4°
Third angle = 2x + 170° = 2(2°) + 170° = 174°
Therefore, the three angles in the triangle measure 2°, 4°, and 174°.
Step-by-step explanation:
Find the sum of the first 33 terms of the following series, to the nearest integer. 13 , 22 , 31 , . . . 13,22,31,...
Answer:
5,181
Step-by-step explanation:
The arithmetic sequence has a common difference d = 9 which is the difference between successive terms
The sum of the first n terms of an arithmetic sequence is given by
[tex]S_n = \dfrac{n(a_1 + a_n)}{2}[/tex]
The nth term of an arithmetic sequence is given by
aₙ = a₁ + d(n - 1)
where a₁ = first term
In this particular sequence, a₁ = 13 and d = 9
Therefore
a₃₃ = 13 + 9(33-1)
= 13 + 9(32)
= 13 + 288
= 301
Therefore
Use the given information to find the balance in the account earning compound interest after 6 years when the principal is $3500.
$r=1.26\%$r=1.26% , compounded monthly
[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$3500\\ r=rate\to 1.26\%\to \frac{1.26}{100}\dotfill &0.0126\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years\dotfill &6 \end{cases}[/tex]
[tex]A = 3500\left(1+\frac{0.0126}{12}\right)^{12\cdot 6}\implies A=3500(1.00105)^{72} \implies A \approx 3774.71[/tex]
Problem 4.1
The table gives some sample data for two quantities, x and y, that are in a proportiona relationship. Complete the table.
Then the complete table is:
x y
14 21
64 96
26 39
What dοes the arithmetic wοrd prοpοrtiοnal mean?When the ratiοs οf the twο variables are equal, there is a prοpοrtiοnal relatiοnship. Anοther way tο view them is that they are twο variables, οne οf which is always a cοnstant value multiplied by the οther in a prοpοrtiοnate manner.
A prοpοrtiοnal relatiοnship between twο variables can be written as:
y = kx
Where k is the cοnstant οf prοpοrtiοnality.
If we lοοk at the table we can see the pair (14, 21), replacing that in the prοpοrtiοnal relatiοn we have:
21 = k*14
(21/14) = k
(3/2) = k
Then the equatiοn is:
y = (3/2)*x
Tο cοmplete the table, we need tο evaluate the οther values in the given equatiοn.
fοr x = 64 we have:
y = (3/2)*64 = 96
fοr y = 39 we have:
39 = (3/2)*x
x = (2/3)*39 = 26
Fοr x = 1 we have:
y = (3/2)*1 = 3/2
Then the complete table is:
x y
14 21
64 96
26 39
1 3/2
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A punch recipe calls for 3/4 cup of grace juice. If Carlos wants to cut the recipe in half, how much grape juice should he use?
Answer:
thanks for the question
please mark me brainless
Exercise 1: 1) Suppose we have to select a manager, assistant manager, and night manager from a list of 11 people. How many ways can this be done
Please help will mark Brainly
For the function g, the vertex form equation is [tex]g(x) = -2(x - 5)^{2} + 9.[/tex]
What sort of equation would that be?In algebra, the idea of an equation is a logical assertion that shows the equivalence of several mathematical expressions. For instance, the equations 3x + 5 & 14, that are separated by the 'same' sign, make up the equation 3x + 5 = 14.
What about the meaning of the equation?A mathematical equation, such as 6 × 4 = 12 x 2, states that two quantities or values are equivalent. a meaningful noun. Equations are used when more than one factor has to be considered in order to fully understand or explain a situation.
Substituting the first point (7,1) into the equation for g(x), we get:
[tex]1 = a(7 - 5)^{2} + 9[/tex]
we get
[tex]-8 = 4a[/tex]
Dividing both sides by 4,
[tex]a = -2[/tex]
Now that we have found the value of a, we can write the equation for g(x) as:
[tex]g(x) = -2(x - 5)^{2} + 9[/tex]
Therefore, the equation in vertex form for the function g is [tex]g(x) = -2(x - 5)^{2} + 9[/tex].
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The value of x + x(xx) when x = 2 is:
(a) 10, (b) 16, (c) 18, (d) 36, (e) 64
Answer:
a)10
Step-by-step explanation:
(xx)=(2×2)=4
2(4)=8
8+2=10
answer: a) 10
Mateo y leo caminan para entrenar y encontrarse en un punto. Mateo camina 1/5 mas de lo que camina leo. Si entre los dos caminan 15Km, ¿ cuantos kilómetros recorre cada uno?
Answer:
Primero, podemos establecer las siguientes ecuaciones:
La suma de los kilómetros que caminan Mateo y Leo es igual a 15:
Mateo + Leo = 15
Mateo camina 1/5 más que Leo:
Mateo = Leo + 1/5Leo
Mateo = 6/5Leo
Podemos utilizar la segunda ecuación para despejar una de las variables en términos de la otra. Por ejemplo, despejando Leo:
Leo = 5/6Mateo
Luego, podemos sustituir esta expresión en la primera ecuación para obtener una ecuación con una sola variable:
Mateo + 5/6Mateo = 15
11/6Mateo = 15
Mateo = 15*6/11
Mateo = 8.18 Km
Finalmente, podemos utilizar una de las ecuaciones que relaciona a Mateo y Leo para obtener la distancia que recorre Leo:
Leo = 5/6Mateo
Leo = 5/6*8.18
Leo = 6.82 Km
Por lo tanto, Mateo recorre 8.18 Km y Leo recorre 6.82 Km.
Help, please? lol its for like homework or whatev. helpppp!!
ASAP HELP!! I REALLY NEED HELP
Answer:
X = 18
Step-by-step explanation:
7x is the opposite angle if 3x, so 10x= 180 180÷10 = 18
NEED HELP!!
Select which points are solutions to this inequality.
y ≥ 5x - 7
(-5, -3)
(-4, 2)
(1, -2)
(-1, 0)
(3, 0)
(4, 1)
Inequality y 5x - 7 has solutions (-5, -3), (-4, 2), and (-1, 0).
What are the three potential remedies for the inequality?In order to address an inequality • You can multiply or divide each side by the same positive amount; • You can add the same amount to each side; • You can take the same amount away from each side. If you multiply or divide each side by a negative value, the inequality sign must be reversed.
Let's examine each point individually:
(-5, -3)
y ≥ 5x - 7
-3 ≥ 5(-5) - 7
-3 ≥ -32
The inequality is true, so (-5, -3) is a solution.
(-4, 2)
y ≥ 5x - 7
2 ≥ 5(-4) - 7
2 ≥ -27
The inequality is true, so (-4, 2) is a solution.
(1, -2)
y ≥ 5x - 7
-2 ≥ 5(1) - 7
-2 ≥ -2
The inequality is not true, so (1, -2) is not a solution.
(-1, 0)
y ≥ 5x - 7
0 ≥ 5(-1) - 7
0 ≥ -12
The inequality is true, so (-1, 0) is a solution.
(3, 0)
y ≥ 5x - 7
0 ≥ 5(3) - 7
0 ≥ 8
The inequality is not true, so (3, 0) is not a solution.
(4, 1)
y ≥ 5x - 7
1 ≥ 5(4) - 7
1 ≥ 13
The inequality is not true, so (4, 1) is not a solution.
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CAN SOMEONE HELP WITH THIS QUESTION?✨
Answer:
f1(x) = (7 cos x - 3 sin x) tan-1 x + (7 sin x + 3 cos x) (1/(1+x^2))
Step-by-step explanation:
To find f1(x), we need to differentiate the given function f(x) with respect to x using the product rule and the chain rule. Here are the steps:
f(x) = (7 sin x + 3 cos x) tan-1 x
f1(x) = d/dx [(7 sin x + 3 cos x) tan-1 x]
= (7 cos x - 3 sin x) tan-1 x + (7 sin x + 3 cos x) (1/(1+x^2)) (d/dx)x
= (7 cos x - 3 sin x) tan-1 x + (7 sin x + 3 cos x) (1/(1+x^2))
Therefore, f1(x) = (7 cos x - 3 sin x) tan-1 x + (7 sin x + 3 cos x) (1/(1+x^2)).
Hope this helps! I'm sorry if it's wrong. If you need more help, ask me! :]
Write two numbers that multiply to the value on top and add to the value on bottom.
Submit Answer
42
-13
Answer:
-6 and -7
Step-by-step explanation:
-6 + -7 = -13
-6 * -7 = 42
One large jar and two small jars together can hold 8 ounces of jam. One large jar minus one small jar can hold 2 ounces of jam.
A matrix with 2 rows and 2 columns, where row 1 is 1 and 2 and row 2 is 1 and negative 1, is multiplied by matrix with 2 rows and 1 column, where row 1 is l and row 2 is s, equals a matrix with 2 rows and 1 column, where row 1 is 8 and row 2 is 2.
Use matrices to solve the equation and determine how many ounces of jam are in each type of jar. Show or explain all necessary steps.
Please help me solve it through matrices, not by equations. There's a certain way to solve this, I'm just confused on this specific way by using matrices.
There are 2 ounces of jam in the large jar and 2/3 ounce of jam in each small jar.
Describe Matrix?In mathematics, a matrix is a rectangular array of numbers, symbols, or expressions arranged in rows and columns. Matrices are commonly used to represent and manipulate linear transformations and systems of linear equations.
The elements of a matrix are typically denoted by lowercase letters with subscripts, such as aij or bij, where i and j refer to the row and column indices, respectively. For example, a 3x3 matrix might look like this:
| a11 a12 a13 |
| a21 a22 a23 |
| a31 a32 a33 |
This matrix has three rows and three columns, and the element in the first row and second column is denoted by a12.
Matrices can be added, subtracted, multiplied, and divided, and these operations follow specific rules that are defined in matrix algebra. For example, to add or subtract two matrices of the same size, we simply add or subtract the corresponding elements. To multiply two matrices, we multiply the rows of the first matrix by the columns of the second matrix and sum the products.
Let's represent the number of ounces of jam in the large jar as "L" and the number of ounces of jam in each small jar as "S". Then we can write the system of equations:
1L + 2S = 8
1L - 1S = 2
We can write this system in matrix form as:
[1 2; 1 -1][L;S] = [8;2]
To solve for L and S, we can use matrix algebra to isolate [L;S]:
[L;S] = [1 2; 1 -1]⁻¹ [8;2]
First, we need to find the inverse of the coefficient matrix [1 2; 1 -1]. The inverse is:
[1 -2; 1 1]/3
So we can substitute this into our equation:
[L;S] = [1 -2; 1 1]/3 [8;2]
[L;S] = [2;2/3]
So there are 2 ounces of jam in the large jar and 2/3 ounce of jam in each small jar.
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The complete question is:
twelve cans of dog food cost $16.80. How much is one can?
Answer: 1.4
Step-by-step explanation: Just divide.
16.80 divided by 12, is 1.4(0). And if you multiply 1.4 by 12 you get 16.8(0)
a car travels x km in 3 hours how far will it travel in 9 hours?
Answer:
distance traveled in 1 hour = x/3
To find the distance traveled in 9 hours, we can multiply the distance traveled in 1 hour by 9:
distance traveled in 9 hours = (x/3) * 9
Simplifying this expression gives:
distance traveled in 9 hours = 3x
Therefore, the car will travel 3 times the distance it travels in 3 hours when it travels for 9 hours.
Complete the sentences about simplifying this expression once you given a value for b. 24 + b/b + 24 x 53.72
Answer:
Step-by-step explanation:
To simplify the expression 24 + b/b + 24 x 53.72, we first need to substitute the given value of b into the expression. For example, if b is equal to 5, we can replace all instances of b with 5 to get 24 + 5/5 + 24 x 53.72. Next, we can simplify the division by evaluating 5/5, which equals 1. Then, we can multiply 24 and 53.72 to get a product of 1288.28. Finally, we can add the simplified terms to get a final result of 1312.28. Therefore, the simplified expression, given that b is equal to 5, is 1312.28.
\sin ^ { 2 } \frac { 3 \pi ^ { c } } { 4 } + 2 \tan ^ { 2 } \frac { 3 \pi ^ { c } } { 4 } - \sec ^ { 2 } \frac { 3 \pi ^ { c } } { 4 } - \cos ^ { 2 } \frac { 3 \pi ^ { c } } { 4 }
Step-by-step explanation:
The simplified expression is {3\tan^2\frac{3\pi^c}{4}}
advise zanele on whether or not to take a gap year.
questionnaire suggested for zanele.
1. what is your name?
2. why do you think that it is wise to take a gap year after school?
3. what are the benefits of taking a gap year ?
4. what are the reason for delaying a gap year than first pursuing a university degree?
5. what is the best way to spend a gap year?
after working through the suggested questions zanele realises that the questionnaire is not suitable. list two reasons why you think that the given questionnaire is not suitable.
If Zanele realized that the questionnaire is not suitable, it could be for various reasons, such as:
The questions may not be relevant to her specific situation or goals.
The questions may not provide enough information or options to help her make an informed decision.
What are the imports of the questions on the questionnaire?What is your name?
Name may not be needed to provide advice on taking a gap year.
Why do you think that it is wise to take a gap year after school?
Taking a gap year after school can provide students with a break from academic studies, help them gain life experience, and give them time to explore their interests before committing to a university degree.
What are the benefits of taking a gap year?
The benefits of taking a gap year include personal and academic growth, increased independence, cultural exposure, and the opportunity to gain valuable work or volunteer experience.
What are the reasons for delaying a gap year than first pursuing a university degree?
Some students choose to delay taking a gap year to pursue a university degree first so that they can stay on track with their academic and career goals. Others may want to save money or avoid interrupting their academic momentum.
What is the best way to spend a gap year?
The best way to spend a gap year depends on your interests and goals. Some popular gap year activities include traveling, volunteering, interning, working, learning a new language or skill, or pursuing a passion project.
If Zanele realized that the questionnaire is not suitable, it could be for various reasons, such as:
The questions may not be relevant to her specific situation or goals.
The questions may not provide enough information or options to help her make an informed decision.
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Answer:
Step-by-step explanation:
one number is less than 3 times another if their sum is increased by 5 the result is 25 find the number
Answer:
Let's use algebra to solve the problem.
Let x be the first number.
Let y be the second number.
From the problem, we can set up two equations:
"One number is less than 3 times another":
x = 3y - - - (Equation 1)
"Their sum is increased by 5 the result is 25":
x + y + 5 = 25
x + y = 20 - - - (Equation 2)
Now we have two equations with two unknowns. We can use substitution or elimination to solve for one of the variables.
Using substitution:
From equation 1, we know that x = 3y. We can substitute this into equation 2 to eliminate x:
3y + y = 20
4y = 20
y = 5
Now we can substitute this value of y back into equation 1 to find x:
x = 3y
x = 3(5)
x = 15
Therefore, the first number is 15 and the second number is 5.
1. What is a reasonable distance between two cities? (1 point) 200 km 200 m 200 cm 200 mm
Answer:
200km
Step-by-step explanation:
Well.. if 2 cities were 200m apart, 200 cm apart, or 200 mm apart, they would be considered one city. The only logical choice is 200km.
Answer:
a
Step-by-step explanation:
I REALLY REALLY REALLY NEED HELP PLS
The answer of the given question based on Statistics to find minimum monthly premium payments is option D) Plan 2, since it has lower monthly premium payments.
What is Probability?Probability is measure of likelihood or chance of an event occurring. It is expressed as number between 0 and 1, where 0 indicates an impossible event and 1 indicates certain event
Assuming that the coverage details are similar, we can compare the monthly premium payments for each plan based on the different categories of coverage:
Individual: Plan 1 has a monthly premium of $87.32, while Plan 2 has a monthly premium of $11.77. Therefore, Plan 2 has the lower monthly premium for this category of coverage.
Individual+Spouse: Plan 2 has a monthly premium of $735.00, while Plan 1 has a monthly premium of $890.00. Therefore, Plan 2 has the lower monthly premium for this category of coverage.
Individual+Child: Plan 2 has a monthly premium of $606.00, while Plan 1 has a monthly premium of $750.00. Therefore, Plan 2 has the lower monthly premium for this category of coverage.
Individual+Family: Plan 2 has a monthly premium of $1,400.00, while Plan 1 has a monthly premium of $1,600.00. Therefore, Plan 2 has the lower monthly premium for this category of coverage.
Based on these comparisons, we can see that Plan 2 has a lower monthly premium for all categories of coverage. Therefore, the answer is option D: Plan 2, since it has lower monthly premium payments.
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Creative Minds Bookstore decided to donate an overstock of
children’s books to some local elementary schools. They gave
two-fifths of the load to Sunshine Elementary. One-third of the
remaining books were donated to Lincoln Elementary. Two-thirds
of the books left were then given to Vineyard Middle School with
the last 16 books donated to the local library. How many books
were donated all together and how many books did each school
receive?
The answer will be as follows after answering the supplied question equation (8/15)x = (8/15)(34.29) 18.29 books Vineyard Middle School
What is equation?A math equation is a process that relates two statements by using the equals sign (=) to indicate equivalence. In algebra, an equation is a mathematical statement that shows the equivalence of two mathematical expressions. In the equation 3x + 5 = 14, for example, the equal sign separates the numbers 3x + 5 and 14. A mathematical formula may be used to understand the link between the two phrases written on opposite sides of a letter. Frequently, the logo and the software are the same. For example, 2x - 4 = 2.
Let's tackle this problem with algebra.
Let's call the total number of books contributed "x".
According to the issue, Creative Minds Bookstore donated two-fifths of the books to Sunshine Elementary. Sunshine Elementary received (2/5)x books as a result.
That leaves (3/5)x books to be donated to other schools and libraries.
That leaves (7/15)x books available for donation to the library.
Given that the library acquired 16 books, we may conclude:
(7/15)x = 16
Calculating x:
x = (16)(15/7) = 34.29 (rounded to two decimal places) (rounded to two decimal places)
(2/5)x = (2/5)(34.29) 13.72 books at Sunshine Elementary
(1/5)x = (1/5)(34.29) 6.86 books at Lincoln Elementary
(8/15)x = (8/15)(34.29) 18.29 books Vineyard Middle School
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Vanessa borrowed $5,000 at 4% simple interest and will pay after 2 years. Please help!!
a) How much will she have to pay?
b) How much interest will she pay?
Answer:
a) To calculate how much Vanessa will have to pay back after 2 years, we need to add the interest to the principal.
The interest can be calculated using the simple interest formula:
Interest = Principal x Rate x Time
where,
Principal = $5,000 (the amount borrowed)
Rate = 4% (expressed as a decimal, 0.04)
Time = 2 years
So,
Interest = $5,000 x 0.04 x 2
Interest = $400
The total amount Vanessa will have to pay back is the sum of the principal and the interest:
Total amount = Principal + Interest
Total amount = $5,000 + $400
Total amount = $5,400
Therefore, Vanessa will have to pay $5,400 after 2 years.
b) To calculate how much interest Vanessa will pay, we can use the same formula for simple interest:
Interest = Principal x Rate x Time
Plugging in the given values, we get:
Interest = $5,000 x 0.04 x 2
Interest = $400
Therefore, Vanessa will pay $400 in interest over the 2-year period.
Solve by factoring (15 points)
g²+4g-32=0
A 9=32 or 28
B 9=4 or 8
C 9=2 or -16
D 9=4 or -8
[tex]g^{2} +4g-32=0[/tex]
[tex]g^{2} + 8g - 4g - 32=0[/tex]
[tex]g(g+8)-4(g+8) = 0[/tex]
[tex](g+8)(g-4) = 0[/tex]
[tex]g+8=0 \implies \bf g = -8[/tex]
[tex]g-4=0 \implies \bf g = 4[/tex]
[tex]\implies g = 4 \ or \ -8[/tex]
intelligence test scores refered to as intelligent quotient or IQ scores are based on characteristics such as verbal skills,abstruct reasoning power, numerical ability and spatial visualization.if plotted on a graph the distribution of IQ scores approximates a normal curve with a mean of about 100. an IQ scores above 115 is considered superior studies of "intellectually gifted" children have generally defined the lower limit of their IQ scores at 140: approximately 1% of the population have IQ scores above this limit.find the standard deviation of this distribution?
The standard deviation of the distribution is given as follows:
[tex]\sigma = 17.2[/tex]
How to obtain probabilities using the normal distribution?The z-score of a measure X of a variable that has mean symbolized by [tex]\mu[/tex] and standard deviation symbolized by [tex]\sigma[/tex] is obtained by the rule presented as follows:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The z-score represents how many standard deviations the measure X is above or below the mean of the distribution, depending if the obtained z-score is positive or negative.Using the z-score table, the p-value associated with the calculated z-score is found, and it represents the percentile of the measure X in the distribution.The mean of the distribution of IQ scores is given as follows:
[tex]\mu = 100[/tex]
X = 140 is the 99th percentile, as approximately 1% of the population have IQ scores above this limit, hence when X = 140, Z = 2.327, meaning that the standard deviation is obtained as follows:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]2.327 = \frac{140 - 100}{\sigma}[/tex]
[tex]2.327\sigma = 40[/tex]
[tex]\sigma = \frac{40}{2.327}[/tex]
[tex]\sigma = 17.2[/tex]
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A bank account pays interest at a rate of 5% compounded annually. How much is an initial investment of £230 worth after 4 years? Give your answer to the nearest penny.
So, after 4 years, a £230 investment will be worth roughly £283.52 at a 5% yearly income rate compounded annually.
An illustration of compound interest is given?Let's assume you spend $1,000 (your capital) and it makes 5% once a year in interest or profits (the compounding frequency). You would've had $1,050 at the end of the first year, which is your initial capital plus an additional $5, or $50. You would also have $1,102.50 in the following year.
We can use the compound interest algorithm to find a solution to this issue:
[tex]A=P\left(1+\frac{r}{n}\right)^{n t}[/tex]
where A is the final amount, P is the initial investment, r is the annual interest rate (as a decimal), n is the number of times the interest is compounded per year, and t is the time in years.
In this case, we have:
P = £230 (the initial investment)
r = 5% = 0.05 (the annual interest rate as a decimal)
n = 1 (since the interest is increased yearly) (since the interest is compounded annually)
Given that we're searching for a number after four years, t = 4.
With these numbers entered into the algorithm, we obtain:
A = 230(1 + 0.05/1)⁴
A = 230(1.05)⁴
A = £283.52
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Need help with short problem 2
The transpose matrix of A is the one written below.
[tex]\left[\begin{array}{ccc}3&2&0\\0&3&4\\0&0&3\end{array}\right][/tex]
How to get the transpose matrix?Here we are given the matrix A, and we want to find the transpose matrix A^t.
To do so, just leave the elements in the diagonal as they are in the original matrix, and then do a "reflection" of the other elements along the diagonal line. So the elements with equal subindices stay where they are, and the others are reflected along them.
Then the new matrix will be:
[tex]\left[\begin{array}{ccc}3&2&0\\0&3&4\\0&0&3\end{array}\right][/tex]
That is the transpose matrix, where the diagonal is still "3, 3, 3" but the other elements changed.
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SOMEONE PLS HELP ILL MARK BRAINLIEST
Answer:
see explanation below
Step-by-step explanation:
4. ∠A = 35, a = 8.9, find c
since side a is opposite to m∠A and c is the hypotenuse, we can use sin(∠A) = opp/hypo equation
5. sin(35) = 8.9/c
=> c = 8.9/sin(35) = 8.9/0.5736 = 15.516
6. 15.5