Answer:
B) 11.42
Step-by-step explanation:
Using the Law of Cosines:
[tex]c=\sqrt{a^2+b^2-2ab \cos C}=\sqrt{9^2+12^2-2(9)(12)\cos 64^{\circ}} \approx 11.42[/tex]
Tell what next string will be produced by the next subset algorithm
110101
The next string produced by the next subset algorithm will be 111101. This is achieved by adding one to the rightmost bit of the given string, which in this case is the last digit of 110101. This causes the last digit to change from a 0 to a 1, resulting in the new string 111101.
The next subset algorithm works by taking the given string, in this case 110101, and adding one to the rightmost bit of the string. This causes the rightmost bit to change from a 0 to a 1, and all of the digits to the left of this bit will remain unchanged. In the case of 110101, the rightmost bit is the last digit, so it will change from a 0 to a 1, resulting in the new string 111101. This process can be repeated for any given string, and the result will always be the string with one more 1 than the given string. For example, if the given string was 111000, the result would be 111001, and if the given string was 111111, the result would be 1000000.
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Ayudaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
Glass orange juice bottles hold 2 liters of juice while plastic bottles hold 3 liters of juice. For a school breakfast, you bought 13 bottles that hold 35 liters. How many of each type is that?
9 two liters and 4 three liters?
5 two liters and 8 three liters?
4 two liters and 9 three liters?
7 two liters and 6 three liters?
Answer:
Option 3
Step-by-step explanation:
4(2) + 3(9)= 8+27=35
if <1 and <2 are supplementary, with m<1 = (10x+12)* and m<2 = (13x+30)*m what is m<2
Step-by-step explanation:
x=15 i hope thats the right answer
find the measure of each angle indicated
The measure of the required angle is [tex]27^{0}[/tex].
What is the angle ?The angle is the magnitude or measure of the turn between two lines or planes intersecting each other. It is measured in degrees, radians, or gradians. Angles are used to measure shapes, directions, distances, and other aspects of geometry. Angles can be classified into two types: acute angles and obtuse angles.
In the given figure there are two triangles in the figure:
As we know sum of all the angles of triangle is [tex]180^{0}[/tex],
therefore in the first triangle third angle will be:
[tex]75^{0} + 35^{0} + third angle = 180^{0}[/tex]
∴ Third angle = [tex]180^{0} - 75^{0} - 35^{0} = 70^{0}[/tex]
Using the triangle property third angle of one triangle is equal to its opposite angle in another triangle, we can find the third angle of another triangle also:
[tex]83^{0} + 70^{0} + third angle = 180^{0}[/tex]
∴ Third angle = [tex]180^{0} - 153^{0} =27^{0}[/tex]
Therefore, the required angle is [tex]27^{0}[/tex].
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By trial and error find examples of 2 by 2 matrices such that (a) A² = -I, A having only real entries. (b) B² = 0, although B ≠ 0. (c) CD = -DC, not allowing the case CD = 0. (d) EF = 0, although no entries of E or F are zero.
A: (a) A = [0 1; -1 0]. This matrix has only real entries and when we square it, we get A² = [-1 0; 0 -1], which is equal to -I.
(b) B = [0 1; 0 0]. This matrix is not 0, but when we square it, we get B² = [0 0; 0 0], which is equal to 0.
(c) C = [0 1; -1 0] and D = [1 0; 0 -1]. When we multiply these two matrices, we get CD = [-1 0; 0 1] and DC = [0 -1; 1 0], which are opposite matrices.
(d) E = [1 1; 1 1] and F = [-1 1; 1 -1]. When we multiply these two matrices, we get EF = [0 0; 0 0], which is equal to 0, although no entries of E or F are zero.
Here is explanation -
(a) A = [[0, -1], [1, 0]] is a 2x2 matrix with real entries that satisfies A^2 = -I. To see this, we can simply calculate the square of the matrix A:
A^2 = [[0, -1], [1, 0]] * [[0, -1], [1, 0]]
= [[00 + -11, 0*-1 + -10], [10 + 01, 1-1 + 0*0]]
= [[-1, 0], [0, -1]]
As we can see, A^2 = -I, where I is the 2x2 identity matrix.
(b) B = [[0, 1], [0, 0]] is a 2x2 matrix with real entries that satisfies B^2 = 0, although B ≠ 0. To see this, we can calculate the square of the matrix B:
B^2 = [[0, 1], [0, 0]] * [[0, 1], [0, 0]]
= [[00 + 10, 01 + 10], [00 + 00, 01 + 00]]
= [[0, 0], [0, 0]]
As we can see, B^2 = 0, although B ≠ 0.
(c) C = [[0, 1], [-1, 0]] and D = [[0, -1], [1, 0]] are 2x2 matrices with real entries that satisfy CD = -DC. To see this, we can calculate the product of matrices C and D:
CD = [[0, 1], [-1, 0]] * [[0, -1], [1, 0]]
= [[00 + 10, 0*-1 + 11], [-10 + 01, -1-1 + 0*0]]
= [[0, 1], [1, 1]]
DC = [[0, -1], [1, 0]] * [[0, 1], [-1, 0]]
= [[00 - 11, 01 + -10], [10 - 0-1, 11 + 00]]
= [[-1, 0], [1, 1]]
As we can see, CD ≠ -DC, so C and D do not satisfy the condition CD = -DC, not allowing the case CD = 0.
(d) E = [[1, 1], [0, 1]] and F = [[1, 0], [1, 1]] are 2x2 matrices with real entries that satisfy EF = 0, although no entries of E or F are zero. To see this, we can calculate the product of matrices E and F:
EF = [[1, 1], [0, 1]] * [[1, 0], [1, 1]]
= [[11 + 10, 11 + 11], [01 + 10, 01 + 11]]
= [[1, 2], [0, 1]]
As we can see, EF = 0, although no entries of E or F are zero.
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[PLS HELP WILL GIVE BRAINLIEST!]
Determine the value of x.
Answer:
8.1
Step-by-step explanation:
12/x = tan56
12/x =1.48
so x = 12/1.48 =8.1
The price of a jumper is increased by 17%and now is $319.41.
Find the original price.
The answers is in $.
Answer:
$54.3
Step-by-step explanation:
17% of 319.41
so u need only to multiply them
4 tons =
pounds
PLEASE HELP ASAP!!!!
Answer:
8000 pounds
Step-by-step explanation:
1 ton is 2000 pounds
Therefore we can use the equation: 4x2000 which is:
8000 pounds
Answer:
4 tonnes =
8818.49 pounds
[tex]4 \: tones \: = \: 8818.49 \: pounds \\ \: is \: the \: answer \: of \: ur \: question[/tex]
Write the equation of the line that is perpendicular to the line shown in the graph and that will pass through the point (5,-2).
Answer:
[tex]\boxed{y = \dfrac{2}{5}x - 4}[/tex]
Step-by-step explanation:
Let's find the equation for the line
Take two distinguishable points on the graph.
(0, 4) and (2, -1) are two points with integer values for coordinates through which the line passes
The equation of a line in slope-intercept form is
y = mx + b
where
m = slope
b = y-intercept
Slope m = rise/run
rise = difference in y values of any two chosen points
run = difference in corresponding x values for the same chosen points
Taking the two points (0, 4) and (2, -1)
rise = -1 - 4 = -5
run = 2 - 0 =2
So slope = - 5/2
The y-intercept of this line is 4, - this is the y-value where the line crosses the y-axis and corresponds to the value of y when x = 0
The equation of the line is
y = mx + b
[tex]\rightarrow y = -\dfrac{5}{2}x + 4 \;\;\cdots \cdots (1)\\\\[/tex]
A line perpendicular to this line will have a slope that is the negative of the reciprocal of the slope.
The product of the two slopes will be -1
Reciprocal of -5/2 = -2/5
Negative of this is -(-2/5) = 2/5
So slope of perpendicular line = 2/5
Equation of line is
[tex]y = \dfrac{2}{5}x + b[/tex]
To find b plug in x, y values for (5, -2) and solve for b
[tex]-2 = \dfrac{2}{5}\cdot 5 + b\\\\[/tex]
[tex]-2 = 2 + b\\\\-4 = b\\\\b = -4\\[/tex]
[tex]\textrm{Equation of the line is}\\\\\boxed{y = \dfrac{2}{5}x - 4}[/tex]
I need this answer quickly. thanks.
The compound inequality that is graphed on the number line is:
x ≤ -6 or x > 2.
How to write the compound inequality?Here we have a number line that represents a compound inequality.
First, let's look at the left side, we can see a closed circe at x = 6, and then a line that extends to the left. The closed circle means that the value is a solution.
Then that inequality is:
x ≤ -6
Then we have an open dot at x = 2, and a line that goes to the right, that one will be written as:
x > 2.
Then the compound inequality is:
x ≤ -6 or x > 2.
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A small company makes two types of music boxes, jeweled and enameled. The company originally made a total of 25 music boxes a week. Then the number of jeweled boxes produced was tripled and the number of enameled boxes was doubled, so that 65 boxes are now produced cach wee.. How many of each type of music box are now being produced each week?
Answer:
45 jeweled and 20 enameled music boxes.
Step-by-step explanation:
( j stands for jeweled and e stands for enameled )
j + e = 25 The equation for the original total of music boxes.
3j + 2e = 65 The equation for the current total of music boxes.
15{ j } + 10{e} = 25 Since the total is 25, I know that the variable will be a multiple of 5. (since that's the only way to get a number that ends in 5).
3(15) + 2(10) = 65
45 + 20 + 65
A: 508.13 miles
B: 218.14 miles
C: 385.19 miles
D: 430.54 miles
Answer:
the answer is B: 218.14 miles
Suzy has 2 puppies that eat 60 cups of dog food per week.She is thinking about raising more puppies.If she has 3 puppies,she knows they would eat 90 cups of food per week.And 4 puppies would eat 120 cups per week.How muchwould 6 puppies eat?
Answer:
Step-by-step explanation:
if Suzy has 2 puppies that eat 60 cups of dog food per week
and 3 would eat 90 cups of dog food
and 4 would eat 120 cups per week
just add 60 more cups of food and you would get 180 cups of dog food because
each puppy eats 30 cups of dog food
(hopes this helps!)
Write the equation of the line that passes through the point (2, -3) and is parallel to the line y = 8 can someone help
The equation of the line that passes through the point (2, -3) and is parallel to the line y = 8 is y = -3.
What is the equation ?
The equation is a mathematical statement that shows the relationship between different values. It can be written using symbols, numbers and operations to describe the relationship between one or more variables. An equation usually consists of an equal sign (=) that separates two expressions which have the same value. For example, the equation 2+2=4 states that two plus two is equal to four.
The equation of a line is given by y = mx + b, where m is the slope and b is the y-intercept. Since the line is parallel to the line y = 8, they have the same slope, which is 0. Thus, the equation of the line that passes through the point (2, -3) is y = 0x + (-3). Simplifying this equation, we get y = -3.
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Two angles of a quadrilateral measure 110° and 10°. The other two angles are in a ratio of 7:9. What are the measures of those two angles?
The measures of those two angles are 105° and 135°
What is mean by Rectangle?A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.
We have to given that;
Two angles of a quadrilateral measure 110° and 10°.
And, The other two angles are in a ratio of 7 : 9.
Now, We know that;
The sum of all four interior angles of a quadrilateral are 360°.
Here, The other two angles are in a ratio of 7 : 9.
Hence, Measure of both angles are 7x and 9x.
So, We get;
⇒ 110° + 10° + 7x + 9x = 360°
⇒ 120 + 16x = 360
⇒ 16x = 360 - 120
⇒ 16x = 240
⇒ x = 15
Thus, Measure of both angles are;
⇒ 7x = 7 × 15 = 105°
⇒ 9x = 9 × 15 = 135°
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A cylindrical rod meaure 4 inche long and the circumference of one of it bae i inche. The
rod i cut into two equally-ized piece and then all urface are painted. What i the area that i painted?
Ue. Enter your anwer, rounded to the nearet tenth, in the box
The total area painted is 12 square inches, rounded to the nearest tenth.
Area of Painted RodThe circumference of the base of the rod is 1 inch, so the diameter is 1/π inch. The radius of the rod is 1/2π inch.
The volume of the rod is the product of the height (4 inches) and the cross-sectional area (πr²), so it is 4πr² = 4π (1/2π)² = 4/4π = 1 cubic inch.
Each piece of the rod will have half the volume, or 0.5 cubic inches.
The surface area of one piece of the rod is the sum of the areas of the lateral surface (2πrh) and the top and bottom circles (2πr²), so it is 2πrh + 2πr² = 2πr (h + r) = 2π (1/2π) (4 + 1/2π) = 4 + 2 = 6 square inches.
Since both pieces of the rod have the same surface area, the total surface area of both pieces is 6 x 2 = 12 square inches.
So the total area painted is 12 square inches, rounded to the nearest tenth.
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INTEGRALS HELP PLEASEEE I’LL GIVE U A CROWN.
Step-by-step explanation:
The definite integral of the function (2x - 3) with respect to x can be found using the antiderivative, also known as indefinite integration.
The antiderivative of (2x - 3) is:x^2 - 3x + C, where C is the constant of integration.
For the definite integral, we need to find the antiderivative over a given interval. To calculate the definite integral, we need to evaluate the antiderivative at the limits of the interval and subtract the values.So, for example, if the interval is from a to b, the definite integral is given by:∫_a^b (2x - 3) dx = (x^2 - 3x) |_a^b = (x^2 - 3x) evaluated at b - (x^2 - 3x) evaluated at a.The definite integral of the function y³ (2y² – 3) with respect to y can be found in a similar way. The antiderivative of y³ (2y² – 3) can be found using power rule of integration.The antiderivative of y³ (2y² – 3) is:(1/4) y⁴ - 3y² + C, where C is the constant of integration.The definite integral of the function can then be found by evaluating the antiderivative at the limits of the interval and subtracting the values, as described above.
Credit to khalanopierra on brainly.
Help its for algebra!!!
Answer:
they both last 1,25 hours
Step-by-step explanation:
Friday: 5*A + 3*B =10 hours
Saturday: 2*A + 6*B = 10 hours --> A = (10-(6*B)) / 2
A = 5-(3B)
5*(5-3B) + 3B = 10
25 - 15B + 3B = 10
15= 12B
B=1,25 hours
A=5-3*1,25
A= 1,25 hours
Yellowstone National Park is a popular field trip destination. This year the senior class at High
School A and the senior class at High School B both planned trips there. The senior class at High
School A rented and filled 5 vans and 6 buses with 251 students. High School B rented and filled 6
vans and 14 buses with 512 students. Every van had the same number of students in it as did the
buses. Write a system of equations to determine the number of students in each type of
transportation.
The number of students in vans are 13 whereas in buses it is 31.
What is a system of equations?A set of simultaneous equations, also known as a system of equations or an equation system, is a finite set of equations for which common solutions are sought.
Given that, the School A rented and filled 5 vans and 6 buses with 251 students, and School B rented and filled 6 vans and 14 buses with 512 students.
Let the number of student in vans be v and that of in buses be b, therefore, establishing the system of equations,
5v + 6b = 251.....(i)
6v + 14b = 512....(ii)
Multiplying eq(i) by 6 and eq(ii) by 5
30v + 36b = 1506...(iii)
30v + 70b = 2560....(iv)
Subtracting eq(iii) from (iv)
(30v + 70b = 2560) - (30v + 36b = 1506)
34b = 1054
b = 31
Put b = 31 in eq(i)
5v + 6×31 = 251
5v = 65
v = 13
Hence, the number of students in vans are 13 whereas in buses it is 31.
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At how many points on the curve x 3 + y 3 = 9 in the xy-plane does the curve have a tangent line that is horizontal? None ) One Two Three
The answer to the question is that there are no points on the curve x3 + y3 = 9 in the xy-plane that have a tangent line that is horizontal.
The equation x3 + y3 = 9 is a cubic equation and is a non-linear equation. As such, it does not have any tangent lines that are horizontal. A tangent line is a line that just touches a point on a curve and has the same slope as the curve at that point. Since the equation is non-linear, the slope of the curve changes at each point, meaning that there cannot be any horizontal tangent lines.
To calculate the slope of the curve at any point (x,y), we use the formula m = (dy/dx) or m = 3*(x2/y2). At these points, the slope of the curve will not be zero, meaning that there is no horizontal tangent line at any point on the curve.
Therefore, the answer to the question is that there are no points on the curve x3 + y3 = 9 in the xy-plane that have a tangent line that is horizontal.
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A rectangular prism has a length of 4 inches, a height of 11 inches, and a width of 11 inches. What is its volume, in cubic inches?
Answer: 484 in^3
Step-by-step explanation:
The volume equation of a rectangular prism is length x width x height. You will plug in the 4, 11, and 11 inches into your calculator, multiplying all the values to end up with the answer. For the units, it will be in^3, as that is cubic inches.
Which of the following measurements could
represent the side lengths of a triangle?
A. 4 inches, 14 inches, 18 inches
B. 27 inches, 39 inches, 12 inches
C. 8 inches, 8 inches, 20 inches
D. 44 inches, 32 inches, 13 inches
Answer:
Below
Step-by-step explanation:
Use triangle side length rule : any two sides must sum to greater than the remaining side
A nope.... 4 + 14 is not GREATER than 18
B nope 27 + 39 in not greater than 39
C nope 8 + 8 is not greater than 20
D Yes 13 + 32 > 44 and 13+44>32 and 44+ 32 > 13
Help me with this plsssssssssssssssss
The angle opposite to the smallest angle is the smallest side. Thus,
TS < US < TU.
Define length of the triangle?If you have the perimeter P and width w , its length can be found with h = P/2−w . If you have the diagonal d and width w , it's length is h = √(d²−w²). When we're trying to find the hypotenuse we substitute our two known sides for a and b. It doesn't matter which leg is a and which is b. Then we solve for c by adding the squared values of a and b and taking the square root of both sides.
The sides of a triangle rule asserts that the sum of the lengths of any two sides of a triangle has to be greater than the length of the third side.
Every triangle has three sides and three angles, some of which may be the same. The sides of a triangle are given special names in the case of a right triangle, with the side opposite the right angle being termed the hypotenuse and the other two sides being known as the legs.
In the given triangle the angle of interior angle is 180:
43z + z + 66 + z + 69 = 180
45z + 135 = 180
45z = 180 - 135
45z = 45
z = 1
The three angles are:
U = 43(1) = 43
T = 1 + 66 = 67
S = 1 + 69 = 70
The angle opposite to the smallest angle is the smallest side. Thus,
TS < US < TU
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Solve using the quadratic formula
By using the quadratic formula, the solution to this quadratic equation is equal to -0.5251 or -3.8081.
What is a quadratic equation?In Mathematics, a quadratic equation can be defined as a mathematical expression that can be used to define and represent the relationship that exists between two or more variable on a graph. In Mathematics, the standard form of a quadratic equation is given by;
ax² + bx + c = 0
Mathematically, the quadratic formula is modeled or represented by this mathematical expression:
[tex]x = \frac{-b\; \pm \;\sqrt{b^2 - 4ac}}{2a}[/tex]
From the information provided, we have the following values;
3x² + 13x + 4 = 0
Where:
a = 3
b = 13
c = 4
Substituting the values into the quadratic formula, we have the following;
[tex]x = \frac{-(13)\; \pm \;\sqrt{(13)^2 - 4(3)(13)}}{2(3)}\\\\x = \frac{-13\; \pm \;\sqrt{169 - 72}}{6}[/tex]
x = (-13 + √97)/6
x = -0.5251 or -3.8081.
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HELP PLS(I rlly need an answer cs this is due tomorrow)
Answer:
Account A:
$1,149.15
Account B
$1,906.80
Ursula counted 12 tennis rackets and 288 tennis balls in the sports equipment closet. Which rate best represents the relationship between the number of tennis balls to the number of tennis rackets.
Pls Help Anything Helps!
Answer:
24:1 or 24/1
Step-by-step explanation:
288/12 = 24
This is the unit rate. There are 24 tennis balls for each racket.
Answer: 24
Step-by-step explanation:
288/12=24
THERE ARE 24 BALLS PER TENNIS RACKET.
If you give a child in kindergarten or first grade a bunch of beads or other objects and ask the child to show you what the 4 in 45 stands for the child might show you might tell you it stands for 40. Use our understanding of the base 1o n what the 4 really represents. nding of the baseofor beads, or the child r system to explain four beads, or the child
The ratio of the number of children present to the number of beads is 1:24.
Define ratio.
The ratio can be defined as the number that can be used to represent one quantity as a percentage of another. Only when the two numbers in a ratio have the same unit can they be compared. Ratios are used to compare two objects. A ratio in mathematics is a comparison of two or more numbers that shows how big one is in comparison to the other. The dividend or number being divided is referred to as the antecedent, and the divisor or number that is dividing is referred to as the consequent. A ratio compares two numbers by division.
Given,
Total number of student = 25
Total number of beads = 600
If one child is absent,
So, total number of student will be = 24
The ratio of the number of children present to the number of beads:
24:600
Simplifying,
1:25
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complete question
A cla of 25 children hare 600 bead. On a day when 1 child i abent, what i the ratio of the number of children preent to the number of bead?
please helpppppp Your checking account has a constant balance of $500. Let the function m represent the balance of your savings account after t years. The table shows the total balance of the accounts over time.
please explain I will give brainiest
The required function is y=11.047t + 199.12
What is function?Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable.
here, we have,
The given table shows the balance of a money market account over time.
Time (t) Balance(y)
0 200
1 210
2 220.5
3 231.53
4 243.1
5 255.26
The function that represents the balance y(in dollars) after t years is a linear regression line because the value of y increased linearly.
The linear regression function is defined as y =bx +a
Where,
a= ∑y(∑x²)-∑x(∑xy) / n(∑x²)-(∑x)²
b= n(∑xy)-∑x(∑y) / n(∑x²)-(∑x)²
Put the values from the table attached below in the above formulas.
The value of b is 11.047 and the value of a is 199.12.
Here, the variable is t.
Therefore the required function is y=11.047t + 199.12.
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A scooter travels at 1/4 mile in 1/2 minute find the speed
The speed of the scooter is 1/2 miles per minute.
The time traveled by an object or person in any direction in a particular period of time is called speed. Speed is a scalar quantity that has no direction, it has only magnitude.
Uniform speed, variable speed, average speed, and instantaneous speed are the four kinds of speed.
To find the required speed of a scooter, you can use the following formula:
Speed= Distance/Time
Here given that, the scooter traveled 1/4 miles in 1/2 minute.
By applying the formula,
speed=(1/4)miles/(1/2)minutes
=1/2 miles/minute
Therefore, the speed of the scooter is 1/2 mile/minute.
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Half a mile per minute is the speed at which the scooter moves.
Speed is the amount of time it takes for a person or object to move in any direction over a predetermined amount of time. Speed is a scalar quantity with only magnitude and no direction.
Uniform, variable, average, and instantaneous speeds are the four different types of speed.
Apply the following formula to determine the required speed for a scooter:
Time/Distance = Speed
As a result, the scooter traveled a quarter mile in just over a minute.
Using the equation,
speed=(1/4)miles/(1/2)minutes
50/60 miles per hour
The scooter moves at a speed of half a mile per minute as a result.
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