The formula for area of an acute angle triangle is (½) × b × h
a triangular shape with three acute angles. It indicates that none of the angles are precisely 90 degrees. Any triangle with all interior angles being acute angles is said to have an acute angle triangle. The line traced from the base of the triangle to the opposite vertex of an acute triangle is always perpendicular. The formula for the area of an acute angle triangle is (½) × b × h
Based on the side dimensions and angles of the triangles, one can classify acute triangles into distinct categories. One of them is an equilateral triangle with equal-length sides and interior angles, every sixty degrees in length. A triangle that is equilateral is always sharp. An acute isosceles triangle has two equal sides, and its opposing angles are also of equal length. A scalene acute triangle has uneven sides and internal angles on each of its three dimensions. The sum of all angles is less than 90 degrees.
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a 12-foot ladder is leaned against the side of a building such that the angle of depression to the far side of the sidewalk is 45 degrees, but 65 degrees to the near side of the sidewalk. how wide is the sidewalk?
Answer:
From the top of a 12 foot ladder, the angle of depression to the far side of a sidewalk is , while the angle of depression to the near side of the sidewalk
Step-by-step explanation:
Ricardo has an equally likely chance of spinning an odd number as spinning a number less than 4
The given statement that " Ricardo has an equally likely chance of spinning an odd number as spinning a number less than 4" is True.
How to find the probability?When rolling a fair dice, the probability of getting an odd number is:
= Number of odd numbers / Number of sides on die
Number of odd numbers = 1, 3, 5
Probability of odd number:
= 3 / 6
= 1 / 2
Probability of number less than 4 :
= 3 / 6
= 1 / 2
Ricardo therefore has an equally likely chance.
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Options for this question are:
True FalseHow do you change Vertex to factored?.
Standard form is ax^2 + bx + c. Vertex form is a(x-h)^2 + k, which reveals the vertex and axis of symmetry. Factored form is a(x-r)(x-s), which reveals the roots.
What is quadratic equation?
Factoring, using square roots, completing the square, and the quadratic formula are the four ways to solve a quadratic problem.
Any equation in algebra that can be written in standard form as where x stands for an unknown value, where a, b, and c stand for known values, and where a 0 is true is known as a quadratic equation.
x ax2 + bx + c = 0 is a quadratic equation, which is a second-order polynomial equation in a single variable. a 0. It has at least one solution because it is a second-order polynomial equation, which is guaranteed by the algebraic fundamental theorem. The answer could be simple or complicated.
Therefore, Standard form is ax^2 + bx + c. Vertex form is a(x-h)^2 + k, which reveals the vertex and axis of symmetry. Factored form is a(x-r)(x-s), which reveals the roots.
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How many lb is 1.4 pounds
Answer:1.4
Step-by-step explanation: Because lbs are the same thing as pounds
7. Find the value of x. (AB = 8) (show work pls)
Answer:
Step-by-step explanation:
when GDK goes up GD goes down
Ratnam hired a car from a car renting agency which charges a flat amount of Rs. x for travelling up to 40 kilometers and Rs. y per km for every kilometer travelled thereafter. How much should Ratnam pay the agency for a journey of 50 kilometers?
A. x + 10 y B. 50( x + y ) C. 40 x + y D. 50 x y
The total fee that Ratnam should pay the agency for a journey of 50 kilometers, using a linear equation, is A. x + 10y.
How is the total car hire fee determined?The total fee is a function of summing the fixed charge for the first 40 kilometers and the variable charge for additional kilometers traveled.
In this situation, the variable charge per km represents the slope or the unit rate while the fixed charge for 40 kilometers represents the constant in a linear equation.
Flat charge up to 40 kilometers = Rs. x
Variable charge per kilometer after 40 km = Rs. y
Total distance traveled = 50 kilometers
Total fee paid = Rs. x + (50 - 40)y
= x + 10y
Thus, the correct fee that Ratnam should pay is represented by Option A.
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A relation i plotted a a linear function on the coordinate plane tarting at point C at (0, −1)and ending at point D at (2, −11). What i the rate of change for the linear function and what i it initial value?
Select from the drop-down menu to correctly complete the tatement. The rate of change i Chooe. And the initial value i Chooe.
The rate of change for the linear is -5 and the initial value is -1
A linear function in mathematics is one that has either one or two variables and no exponents. It is a function with a straight line as its graph. If the function has more variables, they should all be constants or known variables in order for the function to continue to function as a linear function. We'll go into great detail about what a linear function is in this article, along with its table, graph, formulas, traits, and examples.
The rate of change refers to the slope of the linear function, because the slope is actually a ration between the two variables. So, to find the slope, we use its definition:
m = [tex]y^{2}[/tex]-[tex]y^{1}[/tex]/[tex]x^{2}[/tex]-[tex]x^{1}[/tex]
Now we replace the given points, being C the first point and D the second point:
m= -11-(-1)/2-0= -5
Therefore, the rate of change is -5, where the negative sign refers to a decreasing change, it's a decreasing linear function. In addition, the initial values is where the independent variable is zero, which is given in the point C (0;-1), so the initial condition is y = -1
Therefore ,The rate of change for the linear is -5 and the initial value is -1
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The scale of the picture is 1 in.: 3 cm. Find the actual length of the Thermos.
The scale of the picture is 1 in,: 3 cm, and the length of the Thermos in the picture is 4 inches, which indicates that the actual length of the Thermos is 12 centimeters
What is a scale factor in a drawing?A scale factor is a number by which the dimensions of an actual or original image are multiplied to obtain the dimensions of the image.
The dimensions of the image are proportionately smaller or larger than the actual dimensions of the image.
The scale of the drawing is 1 inch is equivalent to 3 centimeters
Therefore, each inch of theThermos flask in the drawing is equivalent to 3 centimeter length of the actual Thermos flask.
The dimensions of the thermos flask in the drawing = 4 inches
Therefore;
Length of the thermos flask in the diagram ÷ Actual length of the thermos flask = 1 in./3 cm
Actual length = Image length × 3 cm/1 in.
Actual length = 4 inches × 3 cm/(1 inch) = 12 cm
The actual length of the thermos flask is 12 centimeters
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the velocity time graph for a cycle is shown. work out the total distance travelled on the cycle. work out the acceleration in the last 8 seconds. Need the answer before 6th of Feb 2023.
Part A - The cycle has a total distance travelled of 130 meters.
Part B - The cycle has an acceleration of 0 meters per square second at t = 8 seconds.
How to apply kinematics from a graph
In this question we find the case of a graph between time (t), in seconds, and velocity (v), in meters per second, from which we need to determine the total distance travelled (s), in meters, on the cycle and the acceleration (a), in meters per square second, at a given time.
Part A - The total distance travelled is the area below the curve, defined as the sum of the areas of two triangles and rectangle, thus:
s = 0.5 · (6 s) · (10 m / s) + (6 s) · (10 m / s) + 0.5 · (8 s) · (10 m / s)
s = 30 m + 60 m + 40 m
s = 130 m
The total distance traveled by the cycle is 130 meters.
Part B - The acceleration at a given time t is the slope of the curve at point (t, v). In this case, we find that slope can be found by secant line formula:
a = [v(12) - v(6)] / (12 - 6)
a = (0 - 0) / (12 - 6)
a = 0 m / s²
The acceleration of the cycle at t = 8 seconds is equal to 0 meters per square second.
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Data was collected on the amount of time that a random sample of 8 students spent studying for a test and the grades they earned on the test. A scatter plot and line of fit were created for the data.
Find the y-intercept of the line of fit and explain its meaning in the context of the data.
5; for each additional hour a student studies, their grade is predicted to increase by 5% on the test
10; for each additional hour a student studies, their grade is predicted to increase by 10% on the test
60; a student who studies for 0 hours is predicted to earn 60% on the test
80; a student who studies for 0 hours is predicted to earn 80% on the test
After answering the provided question, we can conclude that The y-intercept in the context of the data represents the predicted test score for a student who did not study at all for the test.
What exactly is a scatter plot?"Scatter plots are graphs that show the relationship between two variables in a data set. Data points are represented by a two-dimensional plane or a Cartesian system. The independent variable or characteristic is represented by the X-axis, while the dependent variable is represented by the Y-axis. These plots are also known as scatter graphs or scatter diagrams."
The y-intercept of the line of fit is approximately 80 based on the scatter plot and line of fit.
The y-intercept in the context of the data represents the predicted test score for a student who did not study at all for the test.
It should be noted that this prediction is based on the linear relationship observed in the sample data and may not be applicable to the entire population. This prediction also assumes that all other factors influencing test performance (such as natural ability, prior knowledge, and test-taking skills) are constant, which may not be the case in real-world situations.
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Answer:
60; a student who studies for 0 hours is predicted to earn 60% on the test
Step-by-step explanation:
Write a ytem of three linear equation in two variable o that any two of the equation have exactly one olution, but the entire ytem of equation ha no olution. PLEASE HELP FAST!!!!
A system of three linear equations in two variables that satisfies the given situation can be x + y = 5, 2x + y = 5, and x + 2y = 5
To satisfy the given situation for a system of three linear equations, write any linear equation as the first equation. Let's say
x + y = 5
For the second equation, multiply the x term of the first equation by any factor, keeping the y term and the constant unchanged.
2x + y = 5
The last equation could be written using the second equation wherein the constant of the variable x and y are interchanged.
x + 2y = 5
Any two of the equations in this system have exactly one solution, because they have a unique solution when we solve them individually. However, when we try to solve the entire system by using all three equations, we find that the system has no solution.
This can be easily seen by solving the system by substitution, elimination, or graphical method.
It is also possible to use different equations but with the same criteria, the key is that at least one of the equations should be the negation or a multiple of another equation.
The problem seems incomplete/unreadable, it must have been...
"Write a system of three linear equations in two variables so that any two of the equations have exactly one solution, but the entire system of equations has no solution."
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The sales tax rate in Georgia is 7%.
Find the tax paid for a video game with a list price of $59.99.
What is the total cost of the video game?
Responses
Answer:
Tax paid on video game: $4.20
Total price of game w/tax: $64.19
Step-by-step explanation:
7% of 59.99 = 4.20
59.99+4.20=64.19
Please help !!
Write equations for the vertical and horizontal lines passing through the point (-3, -9).
vertical line:
horizontal line:
Answer:
vertical line x = -3
horizontal line y = -9
Step-by-step explanation:
determine the closest correlation coefficient (R-value) for this data
The closest correlation coefficient of the scatterplot is 0.8
How to determine the closest correlation coefficient of the scatterplotFrom the question, we have the following parameters that can be used in our computation:
The image of the scatter plot
On the scatter plot, we can see that
The points appear to be on a straight line
Also, we can see that
As the x values increases the y values increases
This represents a positive linear association.
Because the points appear to be on a straight line, but they are not on a straight line, the r value will most likely be between 0.7 and 0.9
The closest value to this is 0.8
Hence, the r value is 0.8
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A group of 8 friends went to lunch and spent a total of $76, which included the food bill and a tip of $16. They decided to split the bill and tip evenly among themselves. Which equations and solutions describe the situation? Select two options. The equation StartFraction 1 over 8 EndFraction (x + 16) = StartFraction 76 over 8 EndFraction represents the situation, where x is the food bill. The equation StartFraction 1 over 8 EndFraction (x + 16) = 76 represents the situation, where x is the food bill. The solution x = 60 represents the total food bill. The solution x = 60 represents each friend’s share of the food bill and tip. The equation 8 (x + 16) = 76 represents the situation, where x is the food bill.
Answer:
Solutions 1 and 2.
Step-by-step explanation:
Find the Gradient of a line
Answer:
4/
Step-by-step explanation:
gradient=y2-y1/x2-x1
-2-2/-5-2=
-4/-7
=4/
Without using a calculator, determine between which two integers the following surds lie (b) √29 (C)-√54
(b) √29 is between 5 and 6. You can approximate it by finding the perfect squares that are closest to 29: 25 (5^2) and 36 (6^2). √29 is between 5 and 6 since 5^2 < 29 < 6^2
(c) √54 is between 7 and 8. You can approximate it by finding the perfect squares that are closest to 54: 49 (7^2) and 64 (8^2). √54 is between 7 and 8 since 7^2 < 54 < 8^2.
how to simplify radical trinomial
The method of simplification of the radical trinomial is described below.
How to simplify radical trinomial?Particularly those polynomials that are persistent under the influence of the perpendicular group are referred to as radical polynomials. A rated subalgebra of the circle of all polynomials is the circle of radical polynomials.
Utilize the Product Property to condense a radical phrase.
Locate the radicand's greatest factor which is also a perfect exponent of the index. Use that factor to recreate the radicand as the combination of two components.Rewrite the radical as the result of two radicals by applying the product rule.Reduce the ideal power to its most basic form.More about the radical trinomial link is given below.
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if someone could show me how to do this that would be great, i appreciate it!
Discovering an antiderivative of a function is the process of integration.
What is integration?Adding or adding up the components to get the whole is a process known as integration. Reducing the functions into their component elements is a reverse differentiation procedure. Utilizing a broad scale, this method is utilised to find the sum.
A function's antiderivative is discovered by integration. It is the definite integration if a function can be integrated and if the integral of that function across the domain is finite with the given bounds. When d/dx(F(x) = f(x), dx = F(x) + C. Indefinite integrals are what these are.
As opposed to differentiation, integration is the opposite. In other words, the integral of 2 can be 2x + 3, 2x + 5, 2x, etc. Because of this, we must include a constant when integrating. The integral of 2 is therefore 2x + c, where c is a constant.
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Sam has $2,500 in his bank account and withdraws $45 each week. Write the function that models this situation. Let W=weeks and B=bank balance.
The answer is 2500 - 45W = B
2500 is the total amount
45 is taken out a week, so let w be the variable
B is the total bank balance
So 2500 - 45W = B
I hope this was able to help you :D
a+v=b-(v+5)
how would I make this solution true
To make a true equation, check your math to make sure that the values on each side of the equals sign are the same.
How would make this solution true?step1
(a) a +v = b-(v+5)
1+5=6 not equal a+ v=5
To check if a given value is a solution to an equation:
Evaluate the left-hand side expression at the given value to get a number
Evaluate the right-hand side expression at the given value to get a number.
See if the numbers match.
If you add the same number to both sides of an inequality, the inequality remains true.
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Correct question:
What criteria must meet to say that a+v=b-(v+5) is true?
Graph the following functions:
1. y=2x²
2. y=x²-2x-3
One graph will pass through the origin and the second graph will meet the x-axis at 3, -1.
What is Function?A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output. Each function has a range, codomain, and domain.
Given two function
y=2x² y=x²-2x-3For y=2x²:
Since the value of x = 0, the value of y is 0.
thus this graph will pass through the origin and will only have 1 solution.
For y = x²-2x-3:
At y = 0
x²-2x-3 = 0
x = 3, -1
Therefore, This graph will pass through the x-axis at 3, -1.
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Which two equations relate the measure of ∠4, to the measures of ∠1, ∠2, and/or ∠3.
Answer:
A and C
Step-by-step explanation:
The sum of two interior angles in a triangle is equal to an exterior angle that is supplementary to the third interior angle so first option,
A. m∠4 = m∠1 + m∠2
is correct.
m∠3 and m∠4 are supplementary angles because they make a straight line and their sum is equal 180°, so third option,
C. m∠4 = 180 - m∠3
is also correct.
Three brothers spent different amounts of money on their recent vacation. Matt spent $25 less than Todd. Jeff spent 3 times as much as Matt. How much did each brother spend if they spent a total of $275?
Please help me!
Answer:
Todd spent 75, Matt spent 50 and Jeff spent 150
Step-by-step explanation:
Matt = y - 25
Jeff = 3(y - 25)
Todd = y
y - 25 + 3y - 75 + y = 275
5y - 100 = 275
5y = 275 + 100
5y = 375
y = 375/5
y = 75.......Todd therefore spent 75 dollars!!
I think it gets easy from here
If y₁=2x-1 construct for x = -5 to 7- a table
Table 1.3 shows the hypothetical trade-off between different combinations of brushes and combs that might be produced in a year with the limited capacity for country X, ceteris paribus.
In the production range of 2 to 3 combs opportunity cost producing one more comb is
a)0.67
b)3.33
c)7.0
d)0.14
In the production range of 2 to 3 combs, the opportunity cost of producing one more comb is d) 0.14 brushes.
Explain about production range refer to:Opportunity cost is the cost of one choice in terms of the best alternative foregone. In this case, the opportunity cost of producing one more comb is the number of brushes that have to be given up in order to produce that additional comb.For example, if the country X is currently producing 2 combs, in order to produce one more comb, 0.14 brushes would have to be given up. This means that for every additional comb produced, 0.14 brushes would have to be sacrificed. This trade-off is reflected in Table 1.3 and is the opportunity cost of producing one more comb in the production range of 2 to 3 combs.In other words, the opportunity cost of producing one more comb is the number of brushes that would have to be sacrificed in order to produce that comb. The opportunity cost is 0.14 brushes per comb, which means that for every additional comb produced, 0.14 brushes would have to be given up.To learn more about production range refer to:
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Quadrilateral CDEF is inscribed in Circle T F Engle DEF is 3X +7 and angle DCF is 2X +8 what is the value of X?
Since Quadrilateral CDEF is inscribed in Circle A, the value of x is equal to: B. 33.
How to calculate the value of x?Since Quadrilateral CDEF is inscribed in Circle A, we can reasonably infer and logically deduce that line segment DF is the chord of Circle A. Mathematically, an equation which can be used to solve for the value of x in this circle is given by:
m∠DEF + m∠DCF = 180°
Substituting the given parameters into the formula above, we have the following;
(3x + 7)° + (2x + 8)° = 180°
3x + 2x + 8 + 7 = 180°
5x + 15 = 180°
5x = 180° - 15
5x = 165
x = 165/5
x = 33.
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Find sine, where is the angle shown.
Give an exact value, not a decimal approximation.
8
17
8
The value of sinθ is 15/17.
What are the trigonometric functions?
The trigonometric functions in mathematics are real functions that connect the right-angled triangle's angle to the ratios of its two side lengths. They are extensively employed in all fields of geometry-related study, including geodesy, solid mechanics, celestial mechanics, and many others.
Here, we have
Given:
Cosθ = 8/17
We apply here trignometric functions.
Sinθ = √1 - cos²θ
Sinθ = √1 - (8/17)²
Sinθ = √(289 - 64)289
Sinθ = √225/289
Sinθ = 15/17
Hence, the value of Sinθ is 15/17.
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The equation for line p can be written as y= 9 7 x–9. Line q is perpendicular to line p and passes through (9, – 6). What is the equation of line q?
final answer:y= - 1/97 - 6
to find slope, just do the opposite reciprocal of the given slope
to find y-intercept just substitute the given point in y=mx+b
hope this helps!
What is the value of x in the equation 3x+9/6=x-3
[tex] \frac{3x + 9}{6} = x - 3 \\ [/tex]
[tex]3x + 9 = 6(x - 3)[/tex]
[tex]3x + 9 = 6x - 18[/tex]
[tex]6x - 3x = 9 + 18[/tex]
[tex]3x = 27[/tex]
[tex]x = \frac{27}{3} \\ [/tex]
answer: [tex]x = 9[/tex]
