Answer:
true
Step-by-step explanation:
0.8= 8/10 Which can be simplified into 4/5
I need help somebody help me please
The amοunt οf space within the cylinder that is nοt taken up by the tennis balls is abοut 12.56 cubic inches.
What is cylinder?A cylinder is a three-dimensiοnal geοmetric shape that cοnsists οf twο parallel circular bases οf the same size and shape, and a curved lateral surface cοnnecting the bases.
The vοlume οf the cylindrical cοntainer can be calculated using the fοrmula fοr the vοlume οf a cylinder:
Vcylinder = πr²h
where the cylinder's radius (r) and height (h) are given.
Substituting the given values, we have:
Vcylinder = 3.14 x 1² x 8Vcylinder = 25.12 cubic inches
The vοlume οf οne tennis ball can be calculated using the fοrmula fοr the vοlume οf a sphere:
Vball = 4/3 x πr³
where r is the radius οf the tennis ball.
Substituting the given value, we have:
Vball = 4/3 x 3.14 x 1³
Vball = 4.19 cubic inches
Since there are three tennis balls, the tοtal vοlume they take up is:
3 x Vball = 3 x 4.19 = 12.57 cubic inches.
Therefοre, the amοunt οf space within the cylinder that is nοt taken up by the tennis balls is:
Vcylinder - 3 x Vball = 25.12 - 12.57 = 12.55 cubic inches
Rοunding this answer tο the nearest hundredth gives:
12.55 rοunded tο the nearest hundredth is 12.56 cubic inches.
Hence, the amοunt οf space within the cylinder that is nοt taken up by the tennis balls is abοut 12.56 cubic inches.
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8. What is the value of x in the diagram?
A
E
429
B
49
D
32°C
Answer:
D. \(10^{\circ}\)
Step-by-step explanation:
Let the measure of minor arc \(AE\) be \(\alpha\) and the measure of minor arc \(BD\) be \(\beta\).
Using the secant-secant theorem, \(\frac{\alpha-\beta}{2}=32 \implies \alpha-\beta=64^{\circ}\).
By the inscribed angle theorem, \(\alpha=84^{\circ}\).
Thus, \(\beta=20^{\circ}\).
By the inscribed angle theorem, \(x=10^{\circ}\).
I need help with 8,9,10 this is 8th grade math
Question 8.
Let's select the correct representation that shows y as a function of x.
When y is a function of x, it means the values of y depends on the values of x.
Let's start from the first option.
• F. Given the table:
x 0 1 0 -2
y 5 8 -5 -4
This relation is not a function because there are more than one y value for one value for x.
• G. From the graph, let's use the vertical line test to verify if it represents a function.
If you draw a vertical line and it touches the curve on more than one point, this means the graph does not show y as a function of x.
Here, the graph passes the vertical line test.
Therefore, graph G shows y as a function of x.
ANSWER:
G.
36% of what is 99? Please help
Answer:
99 is 36% of 275.
Step-by-step explanation:
To find this, we need to set up our equation. We will have 99 be 36% of the number we are trying to find, while we are going to have x equal the number we are looking for. Then, on the right side of the equation we are making, we will have the percent.
99/x=36/100
Next, we cross multiply.
36x=9900
Now, divide both sides by 36 to get x by itself.
x=275
So 99 is 36% of 275.
.............. ......
A family buys 4 airline tickets online. The family buys travel insurance that costs $16 per ticket. The
total cost is $680. Let x represent the price of one ticket. Write an equation for the total cost. Then find
the price of one ticket.
Which equation represents this situation?
O A. 680 = 4(x + 16)
OB. 680 = 4x + 16
OC. 16 = 4x + 680
OD. 680 = 16(x + 4)
The price of one ticket is $1.
!NEEDED ASAP!
Answer:
B
x is representing the price of one ticket in which the tickets bought was four.so therefore (x+x+x+x+16)=680
4x + 16 =680
What is the slope of a line parallel to the line whose equation is y- x= 5?
O-1
0 1
5.
01
05
Answer:
Slope = -1 . Parallel lines have the same slope. The slope is a coefficient of the x-term.
Step-by-step explanation:
y - x = 5
y = x + 5 slope = 1
The slope of the line parallel to the given line is 1.
What is slope?Slope is a value that describes the steepness and direction of a line. In variable format, it is commonly represented by the letter m.
The slope of a line is also called its gradient or rate of change. The slope formula is the vertical change in y divided by the horizontal change in x, sometimes called rise over run.
Given that the equation of a line y - x = 5, we need to find the slope of the parallel to the same,
Converting the equation in slope-intercept form,
y - x = 5
y = x + 5
Comparing with standard form of the equation of the line y = mx + c, where m is the slope,
Hence, the slope of the given line is 1,
We know that the slopes of the parallel lines are equal.
So, the slope of the asked line is 1.
Hence, the slope of the line parallel to the given line is 1.
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5x+10y=5 -13x+4y=17 NEED HELP
WILL MARK THE RIGH ANSWER BRAINLIEST
Answer:
I think x = 1 and y = 1/2. For the second: x = -1 4/13 or -1.307692, y = 4 1/4 or 4.25
Step-by-step explanation:
PLEASE HELP!!!
Triangle DEF is similar to triangle ABC. What is the sequence of transformations that maps triangle ABC to DEF?
The sequence that maps ΔABC to ΔDEF are represented by three transformations: a horizontal and vertical translation and a counterclockwise rotation.
What transformations have been done to a obtain a resulting triangle?
According to Euclidean geometry, a transformation is rigid if and only if Euclidean distances are conserved for every point of the figure. It is to be noticed that there is more than one manner to obtain the resulting figure.
After a careful inspection both on the statement and on the figure, we conclude that the following sequence of transformations:
Translation of 2 units in the -x direction.Translation of 2 units in the -y direction.Rotation around the point D of 0.5π counterclockwise.To learn more on rigid transformations, we kindly invite to check this verified question: https://brainly.com/question/1761538
how can you find the original amount in real-world percent problems.
Step-by-step explanation:
how can you find the original amount in real-world percent problems.
7(x+2)=
4(x+4)=
9(x+6)=
The length of a rectangle is 12 inches more than its width. The perimeter is 280 inches. Find the length and the width of the rectangle.
Answer:
width = 64 inches
lenght = 76 inches
Step-by-step explanation:
2(x + 12) + 2x = 280
2x + 24 + 2x = 280
4x = 280 - 24
4x = 256
x = 256/4
x = 64
please help!! find the inverse of image attached :)
The correct answer is option A: "If x doesn't equal 3, then 2x + 5 doesn't equal 11."
What is inverse?More precisely, if f is a function that maps elements from a set A to elements in a set B, then the inverse function of f, denoted as f^(-1), is a function that maps elements in set B back to elements in set A.
According to question:The given statement is: "If x equals 3, then 2b + 5 equals 11."
To find the inverse, we negate both the hypothesis and the conclusion of the statement and switch their order:Inverse: If x does not equal 3, then 2b + 5 does not equal 11.Therefore, the correct answer is option A: "If x doesn't equal 3, then 2x + 5 doesn't equal 11."
The inverse function f^(-1) is defined such that f(f^(-1)(x)) = x for all x in B, and f^(-1)(f(x)) = x for all x in A. In other words, applying the inverse function to the output of the original function returns the input value.
The existence of an inverse function depends on the properties of the original function. For example, a function must be one-to-one (or injective) to have an inverse function, which means that each input maps to a unique output. If a function is not one-to-one, then its inverse function may not exist or may have limited domain and range.
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For a school project, Leah is investigating cell phone use in her hometown, Georgetown. So far, she has found that the residents of Georgetown used their cell phones for 463,090 minutes last year. This year, they used their cell phones for a total of 370,472 minutes. What is the percent of decrease in annual usage?
Answer:
19.99%
Step-by-step explanation:
hope this helps
here you go
What is the gcf of 16,48,72
Answer:
The gcf of 16,48,72 is 4,12,18
Answer:
The GCF of 16,48,72 is 8Answer the questions in the picture.
Answer:
MEDIAN = 6
Step-by-step explanation:
FORMULA = (n+1)÷2
Step-by-step explanation:
Given:-
The Values ( Attach by the User )To find:-
MeanMedianModeRangeSolution:- (Q.1)
\(\sf \: Arithmetic \: mean = \dfrac{Sum \: of \: all \: observation}{No.of \: observations}\\\\\\: \implies \sf \: mean \: = \dfrac{1 + 1 + 1 + 1 + 3 + 3 + 4 + 4 + 4 + 8 + 12}{11}\\\\\\ : \implies \sf \: mean = \dfrac{42}{11} \\\\\\ : \implies \sf \: mean = 3.81\)
Solution:- (Q.2)
\(: \implies \sf \:median = \bigg({\dfrac{n + 1}{2} \bigg)^{th}}\\\\\\ :\implies \sf \:median = \bigg( {\dfrac{11 + 1}{2} \bigg)^{th}}\\\\\\: \implies \sf \:median = \bigg( \dfrac{12}{2} \bigg) ^{th}\\\\\\ : \implies \sf \:median = 6th \: item\\\\\\ : \implies \sf \:median = 3\)
Solution:- (Q.3)
Mode = Number of Maximum times occurring in Observation.
Mode = 1 Because its Occurring most in the Observation.
Solution:- (Q.4):-
Range = Highest - Lowest
⠀⠀⠀⠀= ⠀⠀12 ⠀⠀- ⠀1
⠀⠀⠀⠀= ⠀⠀⠀⠀⠀11
.°. 11 is the Required Range
Determine a series of transformations that would map a polygon ABCDE onto polygon A'B'C'D'E
Enter the equation of a circle that is congruent to circle C and is centered at point P
The equation of a circle that is congruent to circle C and is centered at point P is (x - 5)² + (y - 1)² = 5².
What is the equation of a circle?In Geometry, the standard form of the equation of a circle is modeled by this mathematical equation;
(x - h)² + (y - k)² = r²
Where:
h and k represent the coordinates at the center of a circle.r represent the radius of a circle.Based on the information provided, we have the following parameters for the equation of this circle:
Center (h, k) of P = (1, 5)Radius (r) of P = 5 units.By substituting the given parameters, we have:
(x - h)² + (y - k)² = r²
(x - 5)² + (y - 1)² = 5²
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write 804 billion in ordinary decimal notation and in scientific notation
Answer:804,000,000,000 & 8.0e+11
Step-by-step explanation:
logic
Rewrite this problem using addition -1/3 - 2/5=
Answer:
-1/3 + -25
Step-by-step explanation:
-1/3 - 2/5 = -11/15
-1/3 + -2/5 = -11/5
Because add the same, but the two negatives are even so you keep the negative.
A plane flying with a constant speed of 360 km/h passes over a ground radar station at an altitude of 1 km and climbs at an angle of 30°. At what rate (in km/h) is the distance from the plane to the radar station increasing a minute later? (Round your answer to the nearest whole number.)
The rate (in km/h) at which the distance from the plane to the radar station is increasing a minute later is 0 km/h (rounded to the nearest whole number).
To solve this problem, we can use the concepts of trigonometry and related rates.
Let's denote the distance from the plane to the radar station as D(t), where t represents time. We want to find the rate at which D is changing with respect to time (dD/dt) one minute later.
Given:
The plane is flying with a constant speed of 360 km/h.
The plane passes over the radar station at an altitude of 1 km.
The plane is climbing at an angle of 30°.
We can visualize the situation as a right triangle, with the ground radar station at one vertex, the plane at another vertex, and the distance between them (D) as the hypotenuse. The altitude of the plane forms a vertical side, and the horizontal distance between the plane and the radar station forms the other side.
We can use the trigonometric relationship of sine to relate the altitude, angle, and hypotenuse:
sin(30°) = 1/D.
To find dD/dt, we can differentiate both sides of this equation with respect to time:
cos(30°) * d(30°)/dt = -1/D^2 * dD/dt.
Since the plane is flying with a constant speed, the rate of change of the angle (d(30°)/dt) is zero. Thus, the equation simplifies to:
cos(30°) * 0 = -1/D^2 * dD/dt.
We can substitute the known values:
cos(30°) = √3/2,
D = 1 km.
Therefore, we have:
√3/2 * 0 = -1/(1^2) * dD/dt.
Simplifying further:
0 = -1 * dD/dt.
This implies that the rate at which the distance from the plane to the radar station is changing is zero. In other words, the distance remains constant.
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weight of mr.x is 85kg in what ratio he reduce his weight if his perent weight is 65kg ?
Mr. X reduces his weight in a ratio of 4:17. This means that for every 4 units of weight he loses, his initial weight was divided into 17 equal parts.
To determine the ratio by which Mr. X reduces his weight, we need to compare his initial weight of 85 kg with his target weight of 65 kg.
The reduction in weight is calculated as the difference between the initial weight and the target weight, which in this case is 85 kg - 65 kg = 20 kg.
The ratio can be expressed as a fraction, where the numerator represents the reduction in weight and the denominator represents the initial weight:
Reduction in weight / Initial weight
Substituting the values, we have:
20 kg / 85 kg
Simplifying the fraction, we can divide both the numerator and denominator by their greatest common divisor, which is 5 in this case:
(20 kg / 5) / (85 kg / 5) = 4/17
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The point P(4, 28) lies on the curve y = x² + x + 8. If Q is the point (x,x² + x + 8), find the
slope of the secant line PQ for the following values of x.
For x = 4.1:
Slope of PQ =5.1
For x = 4.01:
Slope of PQ =6.01
For x = 3.9:
Slope of PQ =15.1
For x = 3.99:
Slope of PQ =105.99
From the results above, we can guess that the slope of the tangent line to the curve at P is approximately 6.
Step by step explanationTo find the slope of the secant line PQ, we need to first find the coordinates of point Q in terms of x:
Q = (x, x² + x + 8)
Then, the slope of the secant line PQ is given by:
(yQ - yP) / (xQ - xP)
where yP = 28 and xP = 4, and yQ and xQ depend on the value of x.
For x = 4.1:
Q = (4.1, 4.1² + 4.1 + 8) = (4.1, 28.51)
Slope of PQ = (28.51 - 28) / (4.1 - 4)
= 0.51 / 0.1
= 5.1
For x = 4.01:
Q = (4.01, 4.01² + 4.01 + 8) = (4.01, 28.0601)
Slope of PQ = (28.0601 - 28) / (4.01 - 4)
= 0.0601 / 0.01
= 6.01
For x = 3.9:
Q = (3.9, 3.9² + 3.9 + 8) = (3.9, 26.49)
Slope of PQ = (26.49 - 28) / (3.9 - 4)
= -1.51 / -0.1
= 15.1
For x = 3.99:
Q = (3.99, 3.99² + 3.99 + 8) = (3.99, 26.9401)
Slope of PQ = (26.9401 - 28) / (3.99 - 4)
= -1.0599 / -0.01
= 105.99
As x approaches 4 from both sides, the x-coordinate of Q approaches 4, and the slope of PQ approaches the slope of the tangent line to the curve at P(4,28). From the results above, we can guess that the slope of the tangent line to the curve at P is approximately 6.
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For two n by n square matricies A and B,
suppose rankA = rankB = n-1.
Can rank(AB) become less than n-1 ?
(e.g. rank (AB) = n-2)
If so, I humbly ask you for an example.
Thank you very much.
No, the rank of the product of two n by n square matrices A and B, denoted as AB, cannot be less than n-1 if both A and B have ranks of n-1.
According to the Rank-Nullity theorem, for any matrix M, the sum of its rank and nullity is equal to the number of columns in M. In this case, the number of columns in AB is n, so the sum of the rank and nullity of AB must be n.
If rank(A) = rank(B) = n-1, it means that both A and B have nullity 1. The nullity of a matrix is the dimension of its null space, which consists of all vectors that get mapped to the zero vector when multiplied by the matrix. Since both A and B have rank n-1, their null spaces consist only of the zero vector.
Now, considering AB, if the rank of AB were less than n-1, it would mean that the nullity of AB is greater than 1.
However, this would violate the Rank-Nullity theorem since the sum of the rank and nullity of AB must be n, which is the number of columns.
Therefore, if rank(A) = rank(B) = n-1, the rank of AB cannot be less than n-1.
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Triangles WILL GIVE BRAINLIEST
Answer:
A
Step-by-step explanation:
A
Answer:
Q9 - Option 1---- A - 15.6 Square Units
Q10 --Option --- (B) RECTANGLE
Step-by-step explanation:
Q9 --
Analyze:we know area of triangle = 1/2 ab sin theta
Where theta is the angle included between sides A and side B
Calculate:A = 5.2
B = 7
theta = 121 degrees
Area:1/2 * 5.2 * 7 * sin 121 degrees = 15.6 Square Units
Conclusion
The area of the triangle is 15.6 Square Units
Q10 - The cross-section of a right cylinder which is perpendicular to its base is a RECTANGLEOption --- (B) RECTANGLE
Hope this helps!
Please help me! My teacher gave us this and has only taught us about rectangles, not rhombi. My classmates and I are very confused
Step-by-step explanation:
It is important to know that the diagonals of a rhombus are PERPINDICUALR bisectors of each other . Opposite angles are equal and adjacen angles sum to 180 degrees .
Then remember alternate angles are equal and there are 180 degrees inside of a triangle .....then you should be able to solve these...here is the first one
Imagine that the price per gallon of gas with a $7 car wash is $3.32 and the price without a car wash is $3.52 When is it worth it to buy the car wash? When is it worth it if the car wash cost $4
Answer: b and d
Step-by-step explanation:it IS
A pizzeria stores flour in a 5-gallon container. Each pizza they make uses 7 cups of flour. Can the cooks at the pizzeria make a dozen pizzas without refilling the canister? Complete the explanation.
The canister holds 80 cups and they need 84 cups of flour to make a dozen pizzas. So, the cooks cannot make a dozen pizzas without refilling the canister. The solution has been obtained by using unitary method.
What is the unitary method?
The unitary technique is used to first calculate the value of each individual unit, and only then is the value of the necessary quantity of units calculated.
We are given that a pizzeria stores flour in a 5-gallon container. We assumed that 16 cups make 1 gallon.
So, number of cups that will make 5 gallon is 16 * 5 = 80 cups
Since, each pizza they make uses 7 cups of flour. So, for making 12 pizzas, they require 12 * 7 = 84 cups of flour.
Hence, the cooks cannot make a dozen pizzas without refilling the canister.
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in this question were given the parametric equation for a curve for which exceeds the quality -1. and why he called you despair by two for this given carve in an interval of tea for uh 0-2 we have to find the length of the given carve. so from the given equations we can just write that the x by d. t. is one and the uae by d. t. d. y by d. t. is going to be equal to d. so the length of the given arc if you want to find in the interval of tea. so you can just try it length of the ark. that is s equal to integration from 0 to 2 square root of the expected the whole school which is one square of class. do you have any evil spirits? t squared and gt. so this will give us is equal to integration. 0 to 2 square root of one square plus t squared dt. now we can use the formula for this uh like integration school to escape plus t squared. pretty so if we just put the formula for integration for this one then you get uh the y two square root off one plus t sq plus half. ellen mud t plus square root of one plus t square. with a limit of indication from 0 to 2. so simplifying this we will get s equals route over five plus have l n two plus about five mud zero. if we were the lower limit. so this will give is equals about five plus half. ellen two plus karaoke five. this is the length after the given carve in the interval of 0- two for tea.
The length of the given curve in the interval [0, 2] is approximately 2.833 units.
To find the length of the given curve in the interval [0, 2], we are provided with the parametric equation for a curve
which exceeds the quality -1.
We need to find why he called you despair by two for this given carve in an interval of tea for uh 0-2.
The length of the given arc can be calculated using the formula below:
\(s = \int_a^b\sqrt{(dx/dt)^2+(dy/dt)^2dt\)
Where a and b are the limits of integration for the interval [0, 2].
Now, from the given equations, we can write that the x by d.t. is one and the uae by d.t. d. y by d. t. is going to be equal to d.
So the length of the given arc in the interval [0, 2] is given by the integral:
s = \(\int_0^2\sqrt{(1^2+t^2)dt\)
Now we can simplify this integral by using the formula for
∫√(a²+x²)dx = x/2√(a²+x²) + (a²/2)ln|x+√(a²+x²)|.
Hence, using this formula, we get:
s = [(2/2)√(1²+2²) + (1/2)ln|2+√(1²+2²)|] - [(0/2)√(1²+0²) + (1/2)ln|0+√(1²+0²)|]
s = √5 + (1/2)ln(2+√5)
s ≈ 2.833 units.
Thus, the length of the given curve in the interval [0, 2] is approximately 2.833 units.
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Question :-
What is the length of the given curve in the interval [0, 2]?
Is 1/3 equivalent to 2/6?
Answer:
yes it's equivalent to 2/6
1.25% of what number
Is 24
Answer:
1,920
Step-by-step explanation:
125% × x = 24
x = 19.2
125% divided by 100 = 1.25
19.2 x 100 = 1920