the reference points for the transformation given by g(x) = 2*f(x) + 2 are (0, 4) and (1, 6).
The given function f has reference points (0, 1) and (1, 2). To find the reference points for the transformation given by g(x) = 2*f(x) + 2, we need to apply the transformation to each of the original reference points.
For the first reference point (0, 1), we have:
g(0) = 2f(0) + 2 = 21 + 2 = 4
So the transformed point is (0, 4).
For the second reference point (1, 2), we have:
g(1) = 2f(1) + 2 = 22 + 2 = 6
So the transformed point is (1, 6).
Therefore, the reference points for the transformation given by g(x) = 2*f(x) + 2 are (0, 4) and (1, 6).
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8x+3y=-7 7x+2y=-3 solve by using elimination
Using elimination, the solution to the system of linear equations is x = -16/29 and y = -75/87.
What is a linear equation, exactly?
A linear equation is a mathematical equation that describes a straight line in a two-dimensional space. It is an algebraic equation that can be written in the form y = mx + b, where x and y are variables, m is the slope of the line, and b is the y-intercept.
Now,
To solve the system of equations 8x + 3y = -7 and 7x + 2y = -3 using elimination, we need to eliminate one of the variables by adding or subtracting the two equations.
One way to do this is to multiply the second equation by a suitable constant so that the coefficient of one of the variables is the negative of the corresponding coefficient in the first equation. In this case, if we multiply the second equation by 3, we can eliminate y by adding the resulting equation to the first equation:
8x + 3y = -7
(3)(7x + 2y = -3) -> 21x + 6y = -9
Adding the two equations, we get:
29x + 0y = -16
Simplifying, we get:
x = -16/29
Now, we can substitute this value of x into either of the original equations to solve for y. Let's use the first equation:
8x + 3y = -7
Substituting x = -16/29, we get:
8(-16/29) + 3y = -7
Simplifying, we get:
-128/29 + 3y = -7
Multiplying both sides by 29, we get:
-128 + 87y = -203
Solving for y, we get:
y = -75/87
Therefore, the solution to the system of equations is x = -16/29 and y = -75/87.
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sean uses a candle mold to make candles that are perfect cones. the diameter of the cone is 6 inches with a height that is half as long as the diameter. how much wax is needed to make a candle?
28.26 inches of wax is needed to make a candle.
What is the volume of a cylinder?
The density of a cylinder is determined by its volume, which represents how much material may be immersed in it or carried inside of it. The formula πr2h where r is the radius of the circular base and h is the height of the cylinder determines the volume of a cylinder.
Here, we have
Given: Sean uses a candle mold to make candles that are perfect cones. the diameter of the cone is 6 inches with a height that is half as long as the diameter.
The volume of cylinder = π · r² · h
r = 3 inches
h = 3 inches
= π (3)² · 3
= 27π
Volume of sphere = 4/3πr³
= 4/3π(3)³
= 36π
Total volume = 36π - 27π
= 9π = 9×3.14 = 28.26
Hence, 28.26 inches of wax is needed to make a candle.
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a researcher selects a sample and administers a treatment to the individuals in the sample. if the sample is used for a hypothesis test, what does the null hypothesis say about the treatment?
The null-hypothesis (H₀) in a two-tailed hypothesis test states that there is no significant difference between the treatment group and the control group, the correct option is (c)The treatment has no effect on scores.
The "Null-Hypothesis" assumes that any difference between the treatment group and control group is due to chance, and that treatment has no real effect on the outcome variable being measured.
The "Alternative-Hypothesis" (H₁) says that the treatment does have an effect on scores, but it does not specify whether the effect is positive or negative.
The null hypothesis is typically assumed to be true until there is sufficient evidence to reject it in favor of the alternative hypothesis.
Therefore, the correct option is (c).
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The given question is incomplete, the complete question is
A researcher selects a sample and administers a treatment to the individuals in the sample. If the sample is used for a two-tailed hypothesis test, what does the null hypothesis (H₀) say about the treatment?
(a) The treatment increases scores.
(b) The treatment causes a change in scores.
(c) The treatment has no effect on scores.
(d) The treatment adds a constant to each score.
(e) The treatment decreases scores.
Question 8 of 15
If a sample of 226 runners is taken from a population of 340 runners, the
population mean, u, is the mean of how many runners' times?
OA. 226
O B. 340
OC. Neither 226 nor 340
Therefore, the population mean, u, is the mean of 340 runners' times, regardless of the sample size. The correct answer is (B) 340.
What is mean?In mathematics and statistics, the mean is a measure of central tendency of a set of numerical data, which represents the average value of the data. It is commonly known as the arithmetic mean and is calculated by adding up all the values in the data set and then dividing by the number of values.
Here,
The population mean, u, is the mean of the times for all 340 runners in the population. If a sample of 226 runners is taken from the population, then the mean of the sample will be an estimate of the population mean. However, the population mean itself is not affected by the size of the sample.
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Which of the following are true statements about a 30-60-90 triangle?
Check all that apply.
A. The hypotenuse is 3 times as long as the longer leg.
B. The hypotenuse is twice as long as the longer leg.
C. The longer leg is twice as long as the shorter leg.
D. The longer leg is 3 times as long as the shorter leg.
E. The hypotenuse is twice as long as the shorter leg.
F. The hypotenuse is 3 times as long as the shorter leg.
Answer:
D. The longer leg is √3 times as long as the shorter leg.E. The hypotenuse is twice as long as the shorter leg.Step-by-step explanation:
You want to know which of the listed statements is true of a 30°-60°-90° triangle.
Side lengthsThe ratios of side lengths in a 30°-60°-90° triangle are 1 : √3 : 2.
This makes the following statements true:
D. The longer leg is √3 times as long as the shorter leg.E. The hypotenuse is twice as long as the shorter leg.Please help, my teacher refuses to explain how to do the math and I need this class to graduate.
-x^4+3x^2+2x+2
I need to find:
• Domain/Range
• Local Minimum/Maximum
• Intervals of Increase/Decrease
As x —> - ∞
As x —> ∞
Determine the x-intercepts
Determine the y-intercepts
I’m not sure what intervals of increase or decrease is, or what the “x —> ∞ stuff is either. I think all I can do is find the domain. Please help soon!
• Domain: All real numbers
• Range: (-∞, ∞)
• To find the local minimum/maximum and intervals of increase/decrease, we need to take the first and second derivatives of the function:
First derivative: -4x^3 + 6x + 2
Setting this equal to zero and solving for x, we get critical points at x ≈ -1.23, x ≈ 0.65, and x ≈ 1.23.
Second derivative: -12x^2 + 6
• At x ≈ -1.23, the second derivative is negative, so we have a local maximum.
• At x ≈ 0.65, the second derivative is positive, so we have a local minimum.
• At x ≈ 1.23, the second derivative is negative, so we have a local maximum.
• As x —> -∞, the function approaches ∞.
• As x —> ∞, the function approaches ∞.
• To find the x-intercepts, we set the function equal to zero and solve for x:
-x^4+3x^2+2x+2 = 0
This is a quartic equation that can be solved using various methods, such as factoring or using the quadratic formula. One solution is x ≈ -1.38. The other three solutions are complex numbers.
• To find the y-intercept, we set x = 0:
-y^4 + 2 = 0
Solving for y, we get y ≈ ±1.19. So the y-intercepts are (0, 1.19) and (0, -1.19).
Answer:
Domain- (−∞,∞),{x|x∈R}
Range- (−∞,17+6√3(over)4], {y∣y≤17+6√3(over)4}
Local Minimum/Maximum- (−1,2) is a local maxima
(1+√3(over)2 ,17+6√3(over)4) is a local maxima
(1−√3(over)2 ,17−6√3(over)4)is a local minima
Intervals of Increase/Decrease- Increasing on: (−∞,−1)(1−√3(over)2,1+√3(over)2)
Decreasing on: (−1,1−√3(over)2),(1+√3(over)2,∞)
Step-by-step explanation:
i hope this helps !
The function f(x) square root is compressed horizontally by a factor of 3 and , translated up 2 units. Write the equation of the transformed function.
The equation of the transformed function, after being compressed horizontally by a factor of 3 and translated up 2 units, is g(x) = sqrt(x/3) + 2.
If f(x) is a function, and we want to compress it horizontally by a factor of 3 and translate it up 2 units, we can apply the following transformations:
Horizontal compression by a factor of 3 means that we need to replace x with x/3 in the function.
Translation up 2 units means that we need to add 2 to the function.
The equation of the transformed function is g(x) = sqrt(x/3) + 2, which represents a function that has been compressed horizontally by a factor of 3 and translated up 2 units from the original function f(x) = sqrt(x).
Therefore, the equation of the transformed function is:
g(x) = sqrt(x/3) + 2
Note that g(x) represents the transformed function, and we have used the square root symbol to indicate that the function is the square root of x/3.
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Triangle ABC, m/A = 15°, a = 9, and b = 12. Find c
Check the picture below.
[tex]\cfrac{\sin(15^o)}{9}=\cfrac{\sin(B)}{12}\implies \cfrac{12\sin(15^o)}{9}=\sin(B)\implies \sin^{-1}\left( \cfrac{12\sin(15^o)}{9} \right)=B \\\\\\ 20.19^o\approx B\hspace{12em}\stackrel{180-20.19-15}{C\approx 144.81^o} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{\sin(15^o)}{9}=\cfrac{\sin(144.81^o)}{c}\implies c=\cfrac{9\sin(144.81^o)}{\sin(15^o)}\implies \boxed{c\approx 20.0}[/tex]
What is the product if 32.9 is multiplied by the number represented by a decimal tiles below
The product of 32 and 0.9 is 28.8.
What is the product?The product of a set of numbers is the result of multiplying all the numbers together. For example, the product of 2, 3, and 4 is:
2 x 3 x 4 = 24
In general, if we have n numbers, the product is:
a1 x a2 x a3 x ... x an
where a1, a2, a3, ..., an are the individual numbers.
The product of two negative numbers is positive, while the product of a negative and a positive number is negative. The product of any number and 0 is always 0.
To find the product of 32 and 0.9, you can multiply these two numbers together:
32 x 0.9 = 28.8
Therefore, the product of 32 and 0.9 is 28.8.
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An object has a mass of 175 g and a volume of 25 cm3.
Find the density of the object in g/cm3.
Factor please!
2x² + x - 21
Answer: (x-3)(2x+7)
Step-by-step explanation:
Answer:
(2x + 7 )(x - 3)
Step-by-step explanation:
You can find the original expression by using the box method on the factors.
circle- note day 1
someone please solve this
Answer:
if i answered it would be 0
Step-by-step explanation:
Cody has $700 in a savings account that pays 4% simple interest (l = prt). What is the amount of money Cody will have in his bank account after 2 years?
[tex]~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$700\\ r=rate\to 4\%\to \frac{4}{100}\dotfill &0.04\\ t=years\dotfill &2 \end{cases} \\\\\\ A = 700[1+(0.04)(2)] \implies A=700(1.08)\implies A = 756[/tex]
Write a statement that correctly describes the relationship between these two sequences: 18, 21, 24, 27, 30 and 6, 7, 8, 9, 10.
Each term in the second sequence is one-third of the corresponding term in the first sequence.
Each term in the second sequence is double the corresponding term in the first sequence.
Each term in the first sequence is one-third of the corresponding term in the first sequence.
Each term in the first sequence is double the corresponding term in the second sequence.
Each term in the second sequence is one-third of the corresponding term in the first sequence and is the statement that correctly describes the relationship between these two sequences: 18, 21, 24, 27, 30 and 6, 7, 8, 9, 10.
Each term in the second series is one-third of the equivalent term in the first sequence, which is the right way to characterize the relationship between the two sequences.
This means that for each term in the second sequence (6, 7, 8, 9, 10), the corresponding term in the first sequence (18, 21, 24, 27, 30) is three times larger. For example, the first term in the second sequence (6) is one-third of the first term in the first sequence (18), and the second term in the second sequence (7) is one-third of the second term in the first sequence (21), and so on.
It is important to note that the statement "Each term in the first sequence is double the corresponding term in the second sequence" is not correct, as this relationship does not exist between the two sequences.
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Triangle XYZ has vertices X(1, -1), Y(3, 4), and Z(5, -1). Nikko rotated the triangle 90° counterclockwise about the
origin. What is the correct set of image points for triangle X'Y'Z'?
O X(1, 1), Y(-4, 3), Z(1,5)
O X(1, 1), Y(-3,-4), Z(-1,-5)
O X(-1, 1), Y(-3,-4), Z(-5, 1)
O X(-1,-1),Y (4, -3), Z(-1,-5)
When a figure is rotated counterclockwise about the origin, its original coordinates of point P [tex](x,y)[/tex] will now be positioned as P' [tex](-y,x)[/tex].
[tex]\text{X} \ (1,-1) \longrightarrow \text{X'} \ (1,1)[/tex]
[tex]\text{Y} \ (3,4) \longrightarrow \text{Y'} \ (-4,3)[/tex]
[tex]\text{Z} \ (5,-1) \longrightarrow \text{Z'} \ (1,5)[/tex]
The correct set of image points for triangle [tex]\text{X'Y'Z'}[/tex] is [tex]\text{X'}(1,1)[/tex], [tex]\text{Y'}(-4,3)[/tex], and [tex]\text{Z'(1,5)}[/tex].
A (3, 5), B (-2, 6), and C (0, 16) are the vertices of a triangle. What is the slope of segment AC, mAC?
If A (3, 5), B (-2, 6), and C (0, 16) are the vertices of a triangle, then the slope of the segment AC is -11/3
To find the slope of segment AC, we need to calculate the change in the y-coordinates divided by the change in the x-coordinates of the two endpoints A and C.
The change in the y-coordinates between A and C is
yC - yA = 16 - 5 = 11
The change in the x-coordinates between A and C is
xC - xA = 0 - 3 = -3
Therefore, the slope of segment AC (mAC) is
mAC = (yC - yA) / (xC - xA) = 11 / (-3) = -11/3
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is 35/7 an integer or a non integer please help
Step-by-step explanation:
35/7 is an IMPROPER FRACTION .... it REDUCES to an INTEGER = 5
The fraction 35/7 equals to 5, which is an integer because it is a whole number without a fractional or decimal component.
Explanation:The fraction 35/7 equals to 5. The number 5 is a whole number that can be written without a fractional or decimal component, hence it is classified as an integer.
In general, an integer includes all whole numbers and their negative counterpart excluding fractions or decimals. Examples of integers are ...-3, -2, -1, 0, 1, 2, 3... and so on.
So the answer to your question is, 35/7 is an integer.
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Alyssa was comparing the price of chicken thighs at two stores. At SuperGrocery B, 3 pounds of chicken thighs costs $34.80. The table below represents the total cost, in dollars and cents, Y, that it costs for x pounds of chicken thighs at SuperGrocery A.How much more expensive is it, per pound, to buy chicken thighs at Store B than at Store A?
Pls Add A Picture : Will Update.
how many gallons of pure acid should be added to 480 gallons of 22% acid solution to produce a solution that is 36%?
To produce 36% solution, 50 gallons of pure acid should be added to 480 gallons of 22% acid solution.
To solve the problem find out how many gallons of acid are there in the 22% solution
480*0.22= 105.6
Let the amount of pure acid required to produce 36% solution be x gallons.
So, the total amount of acid in the new solution will be
480 + x.
Write the equation for concentration:
(Total acid in the new solution)/ (Total volume of new solution) = 36/100
Using the above equation, we get;
[105.6+x]/[480+x] = 36/100
Cross multiply and simplify, we get;
3600 + 100x = 423.6 + 36x63.6x
= 3176.4x
= 3176.4/63.6x
x = 50
Therefore, the amount of pure acid required to produce 36% solution is 50 gallons.
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The difference between the number of dots in each term is 8.
If the difference between the number of dots in each term is 8, it means that the number of dots in each successive term is increasing by 8.
If you have a sequence or pattern in which the difference between the number of dots in each term is 8, it means that the number of dots in each successive term is increasing by 8.
For example, if the first term has 5 dots, the second term would have 5 + 8 = 13 dots, the third term would have 13 + 8 = 21 dots, and so on. The difference between the number of dots in each term is always 8 because the pattern or sequence is increasing by 8 dots each time.
It is important to note that this is just one example of a pattern in which the difference between the number of dots in each term is 8. There can be many different patterns or sequences that exhibit this property, and the specific details will depend on the problem or context.
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After giving 1/3 of his money to his wife and 1/4 of it to his mother, Jake still had $600 left. How much money did he give to his mother?
Let's start by setting up an equation to represent the problem.
Let's say Jake started with x amount of money.
After giving 1/3 to his wife, he has 2/3 left: (2/3)x
After giving 1/4 of that amount to his mother, he has $600 left: (1/4)(2/3)x = $600
We can solve for x by isolating it:
(1/4)(2/3)x = $600
Multiplying both sides by 12/2 gives:
(2/3)x = $3600
Dividing both sides by 2/3 gives:
x = $5400
So Jake started with $5400.
To find out how much he gave to his mother, we can take 1/4 of 2/3 of $5400:
(1/4)(2/3)($5400) = $900
So he gave his mother $900.
Step-by-step explanation:
x = original amount of money
the problem description tells us he gives 1/3 of his money to his wife and 1/4 of his money to his mother. and then he had still $600 left.
x - (1/3)x - (1/4)x = 600
so let's bring every fractional term to .../12.
12x/12 - (4/4)×(1/3)x - (3/3)×(1/4)x = 600
12x/12 - 4x/12 - 3x/12 = 600
5x/12 = 600
5x = 600×12
x = 600×12/5 = 120×12 = $1440
he gave to his mother
(1/4) × 1440 = $360
For numbers 5 - 6, fill in the boxes for the area method, and then put a check mark next to the correct answer.
(5 points per question: 1 point for each blank and 1 point for the correct answer). 5. Fill in the blanks within the area model for (4a - 2b)(12a + 6b) and then put a check next to the answer after simplifying (combining like terms).
4a
Answer: 12a + 6b
-2b
-8ab
Check: 48a^2 - 24b^2
Step-by-step explanation:
divide polynomials by a binomial (x² + 2x ÷ 1) ÷ (x + 1)
[tex]X+1-\frac{2}{x+1}[/tex]
Step-by-step explanation:
when we use the way like this because the 2 was left by it own at the end so we need to do like this, by we cannot divide it by x
steps for long division :Long division can also be used to divide decimal numbers into equal groups. It follows the same steps as that of long division, namely, – divide, multiply, subtract, bring down and repeat or find the remainder.
solve (1/27)^x=3^-4x+6 1) Rewrite the equation using the same base. 2) Solve for x. Remember to show all work.
PLEASE SHOW ALL WORK FOR BRAINLIEST
The equation can be rewritten using the same base as: 3⁻³ = 3⁻⁴ˣ⁺⁶.
The solution for x is: x = 9/4
How to rewrite the equation using the same base?
An equation is a mathematical statement that indicates that two expressions are equal. It consists of two sides, a left-hand side and a right-hand side, separated by an equal sign (=).
1) To rewrite an equation using the same base, we need to apply the following property of exponents:
(1/27)ˣ = 3⁻⁴ˣ⁺⁶
(1/3³) = 3⁻⁴ˣ⁺⁶
3⁻³ = 3⁻⁴ˣ⁺⁶
2) We can equate the exponents and then solve for x. That is:
3⁻³ = 3⁻⁴ˣ⁺⁶
-3 = -4x + 6
4x = 6 + 3
4x = 9
x = 9/4
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help, and if you could explain how you got your value, domain and your range. thank you.
Answer: This is a quadratic function in standard form:
f(x) = x^2 - 10x + 9
The vertex form of a quadratic function is given by:
f(x) = a(x - h)^2 + k
where (h, k) is the vertex of the parabola.
To rewrite the given function in vertex form, we need to complete the square:
f(x) = x^2 - 10x + 9
= (x - 5)^2 - 16
Now we can see that the vertex is at (5, -16) and the axis of symmetry is x = 5.
To find the x-intercepts, we set y = 0:
0 = (x - 5)^2 - 16
16 = (x - 5)^2
±4 = x - 5
x = 1 or x = 9
Therefore, the x-intercepts are (1, 0) and (9, 0).
To find the y-intercept, we set x = 0:
f(0) = 9
Therefore, the y-intercept is (0, 9).
The graph of the function is a parabola that opens upward with vertex at (5, -16), x-intercepts at (1, 0) and (9, 0), and y-intercept at (0, 9).
Step-by-step explanation:
the vertex is at (5, -16)
y-intercept is (0, 9).
the x-intercepts are (1, 0) and (9, 0).
axis of symmetry is x = 5
the range of the function is all real numbers greater than or equal to -16. In interval notation, we can write this as [-16, ∞).
the domain of the given function f(x) = x^2 - 10x + 9 is all real numbers.
can yall pretty pls help me!!!!!!!!!!!!!!!
40% of all the Lincoln students participated in the St. Baldrick's
event. If 310 kids participated, how many total kids are at Lincoln?
Round to the nearest whole number.
The number of total kids at Lincoln's school, considering the proportions, is given as follows:
775 kids.
How to obtain the number of kids?The total number of kids at the Lincoln school is obtained applying the proportions in the context of the problem.
40% of all the Lincoln students participated in the St. Baldrick's event, and this percentage is equivalent to a total of 310 kids.
Hence the number of total kids at Lincoln's school is obtained applying the proportion as follows:
0.4n = 310
n = 310/0.4
n = 775 kids.
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What is the probability of the complement of rolling a number less than 5 by using a six-sided die?
I NEED THIS ASAP
Answer:
the probability of the complement of rolling a number less than 5 by using a six-sided die is 1/3.
Step-by-step explanation:
Given that a fair die is rolled. We know there are six numbers in a fair die.On rolling a die, the Sample space of the given event E = {1, 2, 3, 4, 5, 6}Sample space of numbers less than 5 = {1, 2, 3, 4}Clearly we can see that the number of favorable outcomes = 4Hence, P(values less than 5) = 4/6 = 2/3.To find the complement of rolling a number less than 5, we use the formula P' = 1 - P, where P' is the complement of P.So, let P' be the complement probability of getting numbers less than 5Now, P'(numbers less than 5) = 1 - P(numbers less than 5)= 1 - 2/3= 1/3.Hence, the probability of the complement of rolling a number less than 5 by using a six-sided die is 1/3.
Answer:
1/3
Step-by-step explanation:
This means that, the dice can be rolled at value from 1-4 and there are 6 numbers so it would be 4/6 simplified 2/3. Now subtract that value from 1 and you get 1/3
Find the EXACT length of each leg. If your answer has a radical, for example, write [tex]5\sqrt{2}[/tex] as 5*SQRT(2).
The values of the sides PQ and QR are 2 and 2√3 respectively using the trigonometric ratio of cosine and sine 60° for the right triangle PQR.
What is trigonometric ratios?The trigonometric ratios is concerned with the relationship of an angle of a right-angled triangle to ratios of two side lengths.
The basic trigonometric ratios includes;
sine, cosine and tangent.
recall that cos 60° = 1/3 and sin 60° = √3/2
cos 60° = PQ/4 {adjacent/hypotenuse}
1/2 = PQ/4
PQ = 4 × 1/2 {cross multiplication}
PQ = 2.
sin 60° = QP/4 {opposite/hypotenuse}
√3/2 = QP/4
QP = 4 × √3/2
QP = 2√3
Therefore, the values of the sides PQ and QR are 2 and 2√3 respectively using the trigonometric ratio of cosine and sine 60° for the right triangle PQR.
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Un florero con forma cilíndrica tiene un diámetro interior de 12cm y su altura es de 25cm. Queremos llenarlo hasta los 2/3 de su capacidad. ¿Cuántos litros de agua necesitamos?
We need 3 liters of water to fill the cylinder up to 2/3 of its capacity.
The formula for the volume of a cylinder is V=π r2 h, where V is the volume, π is pi, r is the radius and h is the height. The radius of the cylinder is half of the diameter, so the radius of this cylinder is 6 cm, and the height is 25 cm. Applying the formula, the volume of the cylinder is V=π[tex]*6^2*25[/tex]
=4500π cm3.
To fill it up to 2/3 of its capacity, we need 3000π cm3 of water. To convert this to liters, we need to divide by 1000, so the answer is 3000π/1000=3 liters of water.
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