Answer:
Change 6 1/3 into a mixed number so 19/3 then multiply 19 * 4 then divide by 4. So C
Step-by-step explanation:
A circle has an arc of length 17 with central angle 18 degrees. Find the circumference of the circle.
The circumference of the circle is 340 units.
What is circle ?
In geometry, a circle is a two-dimensional shape consisting of all points that are a fixed distance (called the radius) from a given point (called the center). A circle is a set of points that are equidistant from the center.
Let's use the formula relating the length of an arc to the circumference of a circle:
Length of arc = (central angle / 360) x circumference
Plugging in the given values, we get:
17 = (18/360) x circumference
Simplifying and solving for the circumference, we get:
circumference = 17 x (360/18) = 17 x 20 = 340
Therefore, the circumference of the circle is 340 units.
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please help me find the radius of r
Step-by-step explanation:
using Pythagoras theorem
Answer:
4² + r² = (2+ r)²
16 + r² = 4 + 4r + r²
12 = 4r
r = 3
What is the total area, in square feet, of the shaded sections of the trapezoid below? 100 points if you get the ANSWER CORRECT
Answer: 44.64ft^2
Step-by-step explanation:
Triangle 1:
A = 1/2 x 5.3 x 7.2
A = 19.08
Triangle 2:
A = 1/2 x 7.1 x 7.2
A = 25.56
25.56 + 19.08 = 44.64
Total area of triangles = 44.64ft^2
whats 2+2? i rlly need to know
Answer:
4
Step-by-step explanation:
2+2 = 4
The answer is 2+2 = 4.
Juli is going to launch a model rocket in her back yard. When she launches the rocket, the function h(t)=−16t2+76t
model the height, h, in feet of the rocket above the ground as a function of time, t, measured in seconds. When will the rocket hit the ground? When will the rocket be 70
feet above the ground?
From given quadratic function we get that the rocket will hit the ground after 4.75 seconds and the rocket will be 70 feet above the ground after 7/2 or 3.5 seconds.
What is quadratic function?
A quadratic function is defined as f(x) = ax² + bx + c, where a, b, and c are constants and x is the independent variable. This function is a second-degree polynomial, which means it has a degree of two.
Now,
To find out when the rocket will hit the ground, we need to find the value of t when h(t) = 0:
-16t² + 76t = 0
Factor out -16t:
-16t(t - 4.75) = 0
So either t = 0 or t = 4.75 seconds. However, we can discard t = 0 because it represents the initial launch and not the impact with the ground. Therefore, the rocket will hit the ground after 4.75 seconds.
To find out when the rocket will be 70 feet above the ground, we need to solve the following equation:
-16t² + 76t = 70
-16t² + 76t - 70 = 0
Dividing both side
8t² - 38t + 35 = 0
Factor the equation:
(4t - 5)(2t - 7) = 0
So either t = 5/4 or t = 7/2. However, we can discard t = 5/4 because it represents a time before the rocket reaches 70 feet. Therefore, the rocket will be 70 feet above the ground after 7/2 or 3.5 seconds.
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10 men can complete a job in 14 days, How long will it take 4 men to finish the same Job if they work at the same rate?
A card is drawn randomly from a standard 52-card deck. Find the probability of the given event.
(a) The card drawn is 7
The probabilities for the given events will be a) 1/13 b) 3/13 c) 10/13.
What exactly is probability?
Probability is a measure of the possibility of an event to be occurred. In mathematics, it is defined as a number between 0 and 1, where 0 means that the event is impossible and 1 means that the event is certain to occur.
Now,
(a) The probability of drawing a 7 from a standard 52-card deck is 4/52 or 1/13. This is because there are 4 7s in the deck (one in each suit) and a total of 52 cards.
(b) The probability of drawing a face card from a standard 52-card deck is 12/52 or 3/13. This is because there are 12 face cards in the deck (4 jacks, 4 queens, and 4 kings) and a total of 52 cards.
(c) The probability of drawing a non-face card from a standard 52-card deck is 40/52 or 10/13. This is because there are 40 non-face cards in the deck (the 2s through 10s and the aces) and a total of 52 cards.
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please help me i really need it please
Answer: First one (top left)
Step-by-step explanation:
Answer:
One in the top left corner
Hope this helps!
Step-by-step explanation:
3(x-2) + 7x= 1/2 (6 x-2)
The British telecom tower is about 3/7 the height of the empire state building write two different numerical expressions to model the height of the British telecom tower
1. H × (3/7) and 2. H - (4/7)H are two different numerical expressions to model the height of the British telecom tower.
What are the expressions?
Let H be the height of the Empire State Building. Then, the height of the British Telecom Tower can be modeled using the following expressions:
1. H × (3/7)
This expression finds 3/7 of the height of the Empire State Building, which represents the height of the British Telecom Tower.
2. H - (4/7)H
This expression finds the remaining height after taking away 3/7 of the height of the Empire State Building.
Simplifying, we get (3/7)H, so subtracting this from H gives (4/7)H, which represents the height of the Empire State Building above the height of the British Telecom Tower.
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y^2-16/4y-16/y+4/16y is
Answer: 4y^2y-80+y^2/4y
Step-by-step explanation:
Let W1 denote the set of all polynomials f (x) in P(F ) such that in the
representation
f (x)=an xn + an−1 xn−1 + ··· + a1 x + a0 ,
we have ai =0whenever i is even. Likewise let W2 denote the set of
all polynomials g (x) in P(F ) such that in the representation
g (x)=bm xm + bm−1 xm−1 + ··· + b1 x + b0 ,
we have bi =0 whenever i is odd. Prove that P(F )=W1 ⊕ W2 .
We have shown that P(F) is the direct sum of W1 and W2.
What is a polynomial?
a polynomial is an expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables.
To prove that P(F) is the direct sum of W1 and W2, we need to show two things: first, that every polynomial in P(F) can be written as a sum of a polynomial in W1 and a polynomial in W2, and second, that this decomposition is unique.
Let's begin by showing that P(F) can be written as the direct sum of W1 and W2. Consider an arbitrary polynomial f(x) in P(F). We can write it as a sum of even and odd terms as follows:
f(x) = [f(x) + f(-x)]/2 + [f(x) - f(-x)]/2
The first term on the right-hand side is even, while the second term is odd. Let's define g(x) = [f(x) - f(-x)]/2 and h(x) = [f(x) + f(-x)]/2. Note that g(x) is odd and h(x) is even. Thus, we have expressed f(x) as a sum of an even polynomial h(x) and an odd polynomial g(x).
To show that this decomposition is unique, suppose that f(x) can be written in two ways as a sum of an even polynomial and an odd polynomial:
f(x) = h1(x) + g1(x) = h2(x) + g2(x)
where h1(x) and h2(x) are even polynomials, and g1(x) and g2(x) are odd polynomials. Then we have:
[h1(x) - h2(x)] = [g2(x) - g1(x)]
Since h1(x) - h2(x) is even, and g2(x) - g1(x) is odd, we have:
[h1(x) - h2(x)] = 0 and [g2(x) - g1(x)] = 0
This implies that h1(x) = h2(x) and g1(x) = g2(x), so the decomposition is unique.
Therefore, we have shown that P(F) is the direct sum of W1 and W2.
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A camera's normal price is $460. Buying it duty free reduces the price by 25%. Find the actual selling price of the camera.
The actual selling price of the camera after the 25% discount is $345.
What is selling price?The amount received by the buyer is the selling price of a product or service. Although the seller sets the price, a number of variables affect how the seller arrives at that particular figure. Depending on the seller's discretion, different customers may pay different prices for the same good or service.
If the normal price of the camera is $460, a 25% reduction in price would be:
25% of $460 = 0.25 x $460 = $115
This means the reduction in price when buying the camera duty-free is $115.
So the actual selling price of the camera after the discount is:
$460 - $115 = $345
Therefore, the actual selling price of the camera after the 25% discount is $345.
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8. Find the lateral surface area of the cylinder to the nearest hundredth.
9.5 cm
www.
2 cm
cm² I need answer assapp
As a result, the cylinder's lateral surface area is about 59.69 cm²to the nearest tenth.
Define cylinder?The three-dimensional shape of a cylinder consists of two parallel circular bases joined by a curving surface. It is comparable to a prism with an endless number of sides.
Side Surface Area = 2 ×πrh
where h is the cylinder's height and r is its radius.
The result of entering the specified values into this formula is:
Surface Area Lateral = 2π(2) (9.5)
π = 3.141 , 6.282 ×19
= 119.32 cm
So , 59.69 cm² is the lateral surface area.
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The complete question is : Find the lateral surface area of the cylinder to the nearest hundredth. where radius is 2cm and height is 9.5 cm
How do I find the value for f(x)=6+3x
Answer: To find the value of f(x) for a given value of x, you need to substitute that value of x into the equation and simplify.
For example, if you want to find f(2), you would substitute x=2 into the equation:
f(x) = 6 + 3x
f(2) = 6 + 3(2)
f(2) = 6 + 6
f(2) = 12
Therefore, f(2) = 12.
Step-by-step explanation:
The value of f(x) is 18 given that the value of x is substituted as 4. The expression is usually solved with substitution method.
How to solve the expression?To find the value of f(x) for a given value of x, you need to substitute that value of x into the equation for f(x) and solve for f(x).
For example, if you want to find the value of f(x) when x = 4, you would substitute x = 4 into the equation for f(x) as follows:
f(4) = 6 + 3(4)
Simplifying the expression on the right-hand side:
f(4) = 6 + 12
f(4) = 18
Therefore, the value of f(x) when x = 4 is 18.
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The diameter of the semicircle with center $O,$ shown below, is 4 units. What is the area of the shaded region?
the area of the right-angled triangle with adjacent and opposite sides of 2 units is 2 square units.
what is right-angled triangle ?
A right-angled triangle is a type of triangle that has one angle measuring exactly 90 degrees (a right angle). This angle is formed by the intersection of two sides of the triangle, which are called the legs or catheti, and it is opposite to the longest side of the triangle, which is called the hypotenuse. The hypotenuse is always opposite the right angle.
In the given question,
The area of a right-angled triangle is given by the formula:
Area = 1/2 x base x height
where the base and height are the two perpendicular sides of the triangle.
In this case, the adjacent side and opposite side of the right-angled triangle are both 2 units.
Let's call the hypotenuse of the triangle 'c'. Then, by the Pythagorean theorem, we have:
c² = 2² + 2²
c² = 8
c = √(8) = 2.8284 (rounded to 4 decimal places)
Now, we can use the trigonometric ratios to find the base and height of the triangle. In this case, we can use the tangent ratio:
tan(theta) = opposite/adjacent
tan(theta) = 2/2
tan(theta) = 1
theta = tan⁻¹(1) = 45 degrees
Therefore, the base and height of the triangle are:
base = adjacent x tan(theta) = 2 x tan(45) = 2 x 1 = 2
height = opposite x tan(theta) = 2 x tan(45) = 2 x 1 = 2
Now we can use the area formula to find the area of the triangle:
Area = 1/2 x base x height
Area = 1/2 x 2 x 2
Area = 2 square units
Therefore, the area of the right-angled triangle with adjacent and opposite sides of 2 units is 2 square units.
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Sea=4x⁵-x³+7 y b(x)=2x⁵+x²
Al dividir a entrar b podemos encontrar polinomios únicos, conciente de que y resuido r que satisfacen la ecuación
Donde de r(x) es menor que el grado de b(c)
Cuál es la conciente de que (x)
Y el resuido de r(x)
En resumen, al dividir Sea=4x⁵-x³+7 entre b(x)=2x⁵+x², obtenemos un cociente de 2x³-x² y un residuo de -2x²+7.
Para encontrar los cocientes y el residuo al dividir Sea=4x⁵-x³+7 entre b(x)=2x⁵+x², debemos realizar la división larga de polinomios. El procedimiento es similar a la división larga de números enteros:
2x³ -x² +0x +0
---------------------------------
2x⁵ | 4x⁵ +0x⁴ -x³ +0x² +0x +7
4x⁵ +0x⁴
-------------
0x⁴ -x³
0x⁴ +0x³
-------------
-x³ +0x²
-x³ +0x²
-------------
0x² +0x
0x² +0x
------------
7
2x⁵ +x²
--------
-2x² +7
Por lo tanto, el cociente de la división es 2x³-x², y el residuo es -2x²+7. Es importante notar que el grado del residuo (grado 2) es menor que el grado del divisor b(x) (grado 5), como se requiere en la definición de la división de polinomios.
La respuesta a la pregunta "cuál es la conciente de que (x)" no es clara, ya que no está claro lo que se está pidiendo. Podría ser una pregunta incompleta o una cuestión mal redactada.
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(b) During a housing boom the price of houses increased over an 18 month period. A house that cost 240000 at the start of the period had a sale value of 276000 at the end of the period. What was the average rate of change in the price per month?
After answering the presented question, we can conclude that As a result, the average monthly rate of change in price during the housing bubble was $2,000.
What is average rate?The term "average rate" can have different meanings depending on the context in which it is used. In general, it refers to the amount of change that occurs over a certain period of time, divided by the length of that time period. Here are a few examples of how the term might be used in different fields.
The average monthly rate of change in price can be estimated by dividing the total price change by the number of months:
(final price - beginning price) / number of months = average rate of change
The beginning price was $240,000, the final price was $276,000, and the time duration was 18 months in this example. Hence, using these data, we can calculate the average rate of change as:
(276000 - 240000) / 18 = 36000 / 18 = 2000 Average rate of change
As a result, the average monthly rate of change in price during the housing bubble was $2,000.
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Answer the following questions with 2 complete sentences for each question.
1) What do you notice about the picture?
2) What do you wonder about the image?
3) What is the information in the picture trying to tell you?
1. The picture depicts the circle theorem
2. I wonder how the circle theorem fully apply to the image
3. The informed is that the angle between a radius and a tangent at the point of contact is a right angle.
Circle theoremThe angle between a radius and a tangent at the point of contact is a right angle.
Suppose FGC
Then FC is the hypothenuse of triangle FGC
So, FC greater than FG
FC greater than FB+BG
FC greater than FC+BG (impossible)
This is the case on either side of C along the tangent
So, the shortest distance between F and the tangent is FC
When the distance between a point and a line is minimum, the angle between them is right angled.
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pls help this is due in 20 mins
The quadratic function's equation, when given the numbers in the table, can be found to be f(x) = x^2 - 5x + 6.
How to find the quadratic function's equation ?We are given a table of values and need to find the quadratic function in standard form: f(x) = ax^2 + bx + c. Let's use the points (-6, 72), (-4, 42), and (-3, 30).
For point (-6, 72):
72 = a(-6)^2 + b(-6) + c
For point (-4, 42):
42 = a(-4)^2 + b(-4) + c
For point (-3, 30):
30 = a(-3)^2 + b(-3) + c
Let's use the elimination method.
1 - 3) 42 = 27a - 3b
2 - 3) 12 = 7a - b
b = 7a - 12
Substitute this expression for b into the first equation:
42 = 27a - 3(7a - 12)
42 = 27a - 21a + 36
6 = 6a
a = 1
Now that we know a = 1, let's find b:
b = 7(1) - 12
b = -5
Finally, let's find c by substituting a and b into any of the original equations. We'll use the first one:
72 = 36(1) - 6(-5) + c
72 = 36 + 30 + c
6 = c
So, the quadratic function in standard form is:
f(x) = x^2 - 5x + 6
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Factorize the following question completely. (please Asap)
6r²+19t-20
please show with complete explanation.
Answer: not factorable with rational numbers.
Step-by-step explanation: No explanation because it is not factorable.
I will give anything please
Which equation demonstrates the distributive property?
Responses
A 15 x 40 = 40 x 1515 x 40 = 40 x 15
B 15 + 40 = 5(3 + 8)15 + 40 = 5(3 + 8)
C 15 + 40 = 5515 + 40 = 55
D (3 + 8)5 = 5(3 + 8)
(x−a)xa3+(x−a)x−13a2+(x−a)x−23a+(x−a)31=(x−a)xx3
The solutions to the equation are x = a and x = a/2.
Equation calculation.
We can simplify the left-hand side of the equation using the common denominator of x^3:
(x-a)x/x^3 + (x-a)(-1)/(3a^2 x^3) + (x-a)(-2)/(3a x^3) + (x-a)(1)/(x^3)
= [(x-a)x^2 - (x-a)/(3a^2) - 2(x-a)/(3a) + (x-a)x]/x^3
= [(x^3 - a^3)/x^2 - (1/(3a^2))(x-a) - (2/(3a))(x-a)]/x
= [(x^2 + ax + a^2)(x-a)/(x^2 a^2) - (x-a)/(3a^2) - (2/3)(x-a)/a]/x
= (x^2 + ax + a^2)/(x^2 a^2) - 1/(3a^2) - 2/(3a)/x
= (3x^2 + 3ax + 3a^2 - x^2 a - ax^2 - a^3)/(3a^2 x^2)/x
= (2x^2 + 3ax + 3a^2 - ax^2 - a^3)/(3a^2 x^2)/x
= (x^2 + 3ax + 3a^2 - a^3)/(3a^2 x^2)/x
Now, we can see that the expression on the right-hand side is:
(x-a)/(x^3)
Multiplying both sides by x^3, we get:
(x-a)x = (x^2 + 3ax + 3a^2 - a^3)/3a^2
Multiplying both sides by 3a^2, we get:
(x-a)3a^2x = x^2 + 3ax + 3a^2 - a^3
Expanding (x-a)(3a^2)x, we get:
3a^2x^2 - 3a^3x = x^2 + 3ax + 3a^2 - a^3
Moving all terms to one side, we get:
2x^2 - 3ax + 2a^2 = 0
This is a quadratic equation, and we can solve for x using the quadratic formula:
x = [3a ± sqrt((9a^2 - 8a^2)/4)]/4
x = [3a ± a]/4
x = a or x = 2a/4 = a/2
Therefore, the solutions to the equation are x = a and x = a/2.
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Analyze the diagram below and complete the instructions that follow.
Find sin 45°.
A.
112
B. √√√2
L
45°
Answer:
it was c
Step-by-step explanation:
because on my fraction test I got the same answer and it was right
Answer:
C
Step-by-step explanation:
because it
find the equation of circle with center (0,5)and a point on the circle (2,4)
The equation of the circle with center (0, 5) and a point on the circle (2, 4) is x² + (y - 5)² = 5
Define circleIn geometry, a circle is a closed two-dimensional shape that is formed by a set of points that are equidistant from a fixed point called the center. The distance between any point on the circle and the center is called the radius.
The equation of a circle with center (h, k) and radius r is given by:
r²=(x - h)² + (y - k)²
In this case, the center of the circle is (0, 5) and a point on the circle is (2, 4). The radius of a circle, which is the separation between its centre and any point on the surface, may be calculated using the following formula:
r = √((2 - 0)² + (4 - 5)²) = √(5)
Now we can substitute the values of the center and the radius into the equation of the circle:
(x - 0)² + (y - 5)² = (√(5))²
Simplifying, we get:
x²+ (y - 5)² = 5
As a result, the circle's equation with its centre (0, 5) and a point on it (2, 4) is:
x² + (y - 5)² = 5
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( Need Help Please and thank you! )
Answer:
( x - 5 )
Hope this helps!
Step-by-step explanation:
[tex]2x^{2} -7x-15[/tex] can factor into ( 2x + 3 ) ( x - 5 ).
( 2x + 3 ) ( x - 5 ) = ( cross multiply ) : [tex]2x^{2} -10x + 3x - 15[/tex] = [tex]2x^{2} -7x-15[/tex].
5.
What is the width of a rectangle if the area is 2x2-x-6 and the length is 2x + 3?
O-x-1--
O x-2
3
2x+3
O -x + 2
MacBook Air
2x²-1
2
none of the answer choices
Answer: 2x^2-1/2
Step-by-step explanation:
mulityply this by the given lenght
Find the estimated standard error for the sample mean for the following samples: (a) n= 9 with SS =1152
Answer:
To find the estimated standard error for the sample mean, we need to use the formula:
SE = s/√n
where s is the sample standard deviation and n is the sample size.
However, we are not given the sample standard deviation, but we are given the sum of squares (SS). We can use this to find the sample variance (s^2) and then take the square root to find the sample standard deviation.
For a sample size of n = 9, the degrees of freedom (df) are:
df = n - 1 = 9 - 1 = 8
Using the formula for the sample variance:
s^2 = SS/df = 1152/8 = 144
Taking the square root, we find the sample standard deviation:
s = √144 = 12
Now we can find the estimated standard error:
SE = s/√n = 12/√9 = 4
Therefore, the estimated standard error for the sample mean is 4.
Answer:
To find the estimated standard error for the sample mean, we need to divide the sample standard deviation by the square root of the sample size. However, we are given the sum of squares (SS), not the sample standard deviation, so we first need to calculate the sample variance. The formula for the sample variance is: s^2 = SS / (n - 1) where s^2 is the sample variance, SS is the sum of squares, and n is the sample size. Using the given values, we have: s^2 = 1152 / (9 - 1) = 144 Now we can find the estimated standard error: SE = s / sqrt(n) where SE is the estimated standard error, s is the sample standard deviation, and n is the sample size. Since s = sqrt(s^2), we have: SE = sqrt(s^2
what is the correct order
The correct order will be:
Length of the blue segment. - 12 units
Length of the green segment (circumference of the base) - 18 units
Length of the orange segment. - 24 units
Area of one base. - 452.4 unit²
Area of the rectangle. - 2,261.9 unit².
What is a cylinder?A cylinder is a three-dimensional shape that consists of two parallel circular bases that are connected by a curved surface. The bases are usually identical in size and shape and are located on opposite ends of the cylinder. The curved surface that connects the bases is in the form of a rectangle that has been wrapped around the cylinder, creating a tube-like shape.
Area of one base = r² = 3.142 × 12 × 12 = 452.448 = 452.4 unit².
Area of the rectangle = 2πr (h + r) = 2 × 3.142 × 12 (18 + 12) = 2,261.9 unit².
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Papa's Italian Restaurant has collected data about customer sauce orders. It calculated that P(marinara) = 0.74, P(pesto) = 0.62, and P(marinara or pesto) = 0.93. Determine P(marinara and pesto).
0.46
0.43
0.19
0.31
0.43 Option (B) is the correct answer.
The probability of a customer ordering both marinara and pesto sauces is 0.43.
We can use the inclusion-exclusion principle to find P(marinara and pesto):
P(marinara or pesto) = P(marinara) + P(pesto) - P(marinara and pesto)
We know that P(marinara or pesto) = 0.93 and P(marinara) = 0.74, and P(pesto) = 0.62. Substituting these values in the above equation, we get:
0.93 = 0.74 + 0.62 - P(marinara and pesto)
P(marinara and pesto) = 0.74 + 0.62 - 0.93
P(marinara and pesto) = 0.43
Probability is the measure of the likelihood or chance of an event occurring. It ranges from 0 (impossible) to 1 (certain). It is used to make predictions and decisions in various fields, including mathematics, statistics, physics, finance, and more.
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