The measures of the two supplementary angles are 32 degrees and 148 degrees, respectively.
Explanation:The question is about finding the measures of two supplementary angles given the relationship between them. Supplementary angles are two angles whose measures add up to 180 degrees. If we let x be the measure of the first angle, then the measure of the second angle is 5x - 12 degrees, according to the problem statement.
Since the angles are supplementary, we can set up the following equation: x + (5x - 12) = 180. This simplifies to 6x - 12 = 180. Solving for x gives us x = 32, so the first angle measures 32 degrees.
Substitute x = 32 into the equation for the second angle gives us: 5x - 12 = 5(32) - 12 = 148 degrees. Therefore, the two angles measure 32 degrees and 148 degrees, respectively.
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Estimate the mass of an average flat screen computer monitor.
It is difficult to estimate the mass of an average flat screen computer monitor without specific data.
Explanation:In order to estimate the mass of an average flat screen computer monitor, you could use the rule-of-thumb approach by mass. This approach involves finding the average mass of similar monitors. However, since we do not have specific data on the mass of an average flat screen computer monitor, it is difficult to provide an accurate estimate.
The mass estimate can also be influenced by factors such as the size, type, and materials used in the construction of the monitor. Therefore, it is recommended to refer to the product specifications provided by the manufacturer for the most accurate information regarding the mass of a specific model of flat screen computer monitor.
5 more than twice x (algebraic expression)
Which is the correct solution to the expression 4^8? Use the scientific calculator given in this course.
Logan opened a savings account 21 years ago with a deposit of $3,471.52. The account has an interest rate of 3.1% compounded monthly. How much interest has Logan earned?
in the first 33 days of class, Daunte lost 22 pencils. If Daunte keeps losing pencils at the same rate for 60 days of class, how many pencils will he lose?
the number of eggs e in the carton and the total costs t of the eggs. what is the dependent variable
The total costs t of the eggs is the dependent variable.
What are independent and dependent variables?Even though everything can be almost always related to its reason, when we talk about two related things, there might happen that one of those things is dependent on other.
Thus if variable is taking its values independently of any visible direct cause, then that variable is called independent variable.
The variables that take their values based on some other variables' values are called dependent variables.
Given that the number of eggs e in the carton and the total costs t of the eggs.
Here, we know the number of eggs, e, to know how much it costs.
Hence, it is the dependent variable.
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Triangle QRS is a right triangle.
ΔSTR ~ Δ____
A. ΔTQR
B. ΔRST
C. ΔSQR
D. ΔRTQ
Answer: C. ΔSQR
Step-by-step explanation:
In [tex]\triangle{STR}[/tex] and [tex]\triangle{SQR}[/tex], we have
[tex]\angle{TSR}\cong\angle{OSR}\\\\\angle{STR}\cong\angle{QRS}=90^{\circ}[/tex]
By AA- similarity postulate , we get
[tex]\triangle{STR}\sim\triangle{SQR}[/tex]
AA-similarity postulate says that two triangles are said to be similar if they have two corresponding angles that are congruent or equal in measure.If four times a certain number, increased by 6 is equal to 94, what is the number?
If x represents the number, then which of the following equations could be used to solve the problem?
Answer: Hello mate!
"four times a certain number increased by 6 is equal to 94"
is equivalent to: 4*x + 6 = 94
where x represents the number.
Now we would want to find the value of x.
4*x + 6 = 94
4*x = 94 - 6 = 88
x = 88/4 = 22
then the value of the number x that makes the statment true is x = 22.
Suppose that water is stored in a cylindrical tank of radius 5 m. if the height of the water in the tank is h, then the volume of the water is v = Ïr 2h = (25m2)Ïh = 25Ïh m2. if we drain the water at a rate of 250 liters per minute, what is the rate at which the water level inside the tank drops?
To calculate the rate at which the water level drops, use the formula dh/dt = dV/dt / (25Ï) and the given drainage rate of 250 liters per minute. The resulting rate is -0.01/Ï meters per minute, which represents the speed of the water level decreasing.
Explanation:To determine the rate at which the water level inside the cylindrical tank drops, we use the given volume formula of the cylinder, V = 25Ï h, where V is volume in cubic meters, h is height in meters, and Ï is the constant pi (approximately 3.14159).
Draining the tank at a rate of 250 liters per minute corresponds to a volume rate of 0.25 cubic meters per minute (since 1 cubic meter equals 1000 liters). Using the formula dV/dt = 25Ï dh/dt, we want to find the rate dh/dt at which the height of the water decreases.
Rearranging for dh/dt gives us dh/dt = dV/dt / (25Ï). Substituting the known rate of volume change, dV/dt = -0.25 m³/min (negative because the volume is decreasing), we get dh/dt = -0.25 / (25Ï), which simplifies to dh/dt = -0.01 / Ï meters per minute. Therefore, the rate at which the water level drops is -0.01/Ï meters per minute.
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How many questions can be missed on a 100 question test to get 80%?
A seven sided number cube with sides numbered 1,2,3,4,5,6,7 is rolled. What is the probability that an odd number or a seven is rolled
The decay of 230 mg of an isotope is described by the function A(t)= 230e-0.031t, where t is time in years. Find the amount left after 26 years. Round your answer to the nearest mg.
Answer:
103 mg.
Step-by-step explanation:
We have been given that the decay of 230 mg of an isotope is described by the function [tex]A(t)=230e^{-0.031t}[/tex], where t is time in years.
To find the amount left after 26 years, we will substitute [tex]t=26[/tex] in our given function as:
[tex]A(26)=230e^{-0.031\cdot 26}[/tex]
[tex]A(26)=230e^{-0.806}[/tex]
Using exponent property [tex]a^{-n}=\frac{1}{a^n}[/tex], we will get:
[tex]A(26)=230\times \frac{1}{e^{0.806}}[/tex]
[tex]A(26)=\frac{230}{e^{0.806}}[/tex]
[tex]A(26)=\frac{230}{2.2389343}[/tex]
[tex]A(26)=102.72744\approx 103[/tex]
Therefore, 103 mg of isotope will be left after 26 years.
please help me on math???
Polygon ABCD goes through a sequence of rigid transformations to form polygon A′B′C′D′. The sequence of transformations involved is a reflection across the , followed by a reflection across the line .
Answer:
Y-axis and y = -x
Step-by-step explanation:
The student's question is about the sequence of rigid transformations that resulted in polygon A'B'C'D' from polygon ABCD. While the reflections lines are unspecified, typically two reflections across intersecting lines equal a rotation around the point of intersection by twice the angle between the lines.
Explanation:The student's question involves identifying the type of rigid transformations that polygon ABCD underwent to form polygon A'B'C'D'. Unfortunately, there seem to be missing elements in the provided description of the transformations. Normally, a rigid transformation would include details such as the lines across which the reflections occur. That said, a sequence of two reflections across two intersecting lines is equivalent to a rotation around the point of intersection of the lines, with the angle of rotation being twice the angle between the two lines.
If we could infer that the lines of reflection are perpendicular to each other, the overall transformation would be a rotation of 180 degrees. This would mean that polygon A'B'C'D' is the result of this 180-degree rotation of polygon ABCD about the point of intersection of the two reflection lines.
Samantha has two pieces of cloth. One piece is 72 inches wide and the other piece is 90 inches wide. She wants to cut both pieces into strips of equal width that are as wide as possible. How wide should she cut the strips
Solve for a. 3a+1>−7a−14−4
a carpenter is measuring a board with which he is working. because one end of the measuring tape is unreadable, the carpenter places the measuring tape so that one end of the board is at 3 inches and the other is at 15 inches. how long is the board?
Answer:
12 inches
Step-by-step explanation:
15 - 3 = 12
The board is 12 inches long.
_____
A measuring tape is like a number line. To find the distance between two numbers on the number line, you subtract the smaller one from the larger one. The tape measure works the same way. Subtract the number at one end of the board from the number at the other end of the board to find the length of the board.
True or false: the sum of relative frequencies in a distribution always equals 1.
3a+20=-25 what is the value of a?
an airplane takes off at a rate of 2,000 feet per minute. how long will it take the plane to reach 50,000 feet
Sonia graphs the equations y = –x2 + 4x and y = x – 4 to solve the equation –x2 + 4x = x –
What are the solutions of –x2 + 4x = x – 4?
The solutions of the equation [tex]-x^2+4x=x-4[/tex] is:
x= -1 and x=4
Step-by-step explanation:The solution of the graphs of the equation is equal to the x-value of the point of intersection of the graph of two functions i.e. the function on the left side of the equality on the right side of the equality.
Here, the expression is:
[tex]-x^2+4x=x-4[/tex]
Hence, we will see at which point the graph of:
[tex]y=-x^2+4x[/tex]
and [tex]y=x-4[/tex] meet.
The point of intersection of the graph is: (-1,-5) and (4,0).
Hence, the solution of the graph is: x= -1 and x=4
The membership of a committee consists of 3 english teachers, 4 mathematics teachers, and 2 social studies teachers. if 2 committee members are to be selected at random to write the committee's report, what is the probability that the two members selected will both be english teachers?
A comuter has $245 in his commuter savings account b. How much must he add to his account if he wants to have 20 weeks worth of tickets in his account
Verify the identity. sin quantity x plus pi divided by two = cos x
A rectangle has perimeter 74 cm and length 28. What is its width?
What is the slope of a line that is parallel to the line shown?
What is the 24th term of the arithmetic sequence where a1 = 8 and a9 = 56 ?
Answer:the answer would be c which is 146
Step-by-step explanation:
ASYMPTOTES MATH HELP PLS!
Identify the x and y asymptotes of the graph
What separates terms in an algebraic expression
We want to find what separates terms in an algebraic expression.
The answer is: The sum and subtraction symbols.
By definition, a "term" can be a signed number, a variable, a constant multiplying a variable, or more complex things, like expressions inside parentheses.
The terms in an algebraic expression are the things we are adding or subtracting.
Thus, what we use to separate them are the sum symbol (+) or the subtraction symbol (+).
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