The measure of each of the other two angles is 72° and 36°.
What is vertex angle?
The angle created by two lines or rays intersecting at a location is known as the vertex angle. The sides of the angle are formed by these two rays. In other terms, vertex angle refers to the angle contained within a certain vertex and is expressed in degrees.
let the vertex angle is 36°
the other two angles are equal
let the angle be x
sum of angle in triangle is 180
x + x + 36 = 180
2x = 180 - 36
2x = 144
x = 144/2
x = 72
largest angle is 72°
smallest angle is 36°
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how do i graph for this, i struggle
The equation of line passes through the point (2, 3) will be;
⇒ y = 1/2x + 2
And, Graph of this equation of line is shown in figure.
What is Equation of line?The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
The point on the line are (2, 3).
And, The perpendicular line is,
⇒ y - 4 = - 2 (x + 3)
⇒ y - 4 = - 2x - 6
⇒ y = - 2x - 2
Now,
Since, The equation of line passes through the point (2, 3).
So, We need to find the slope of the line.
Since, The product of slope of the perpendicular line is - 1.
Hence, Slope of the given perpendicular line is,
⇒ y = - 2x - 2
m = dy/dx = - 2
m = - 2
So, The slope of line is,
⇒ m₂ = - 1/m
= 1/2
Thus, The equation of line with slope 1/2 is,
⇒ y - 3 = 1/2 (x - 2)
⇒ y - 3 = 1/2 (x - 2)
⇒ y - 3 = 1/2x - 1
⇒ y = 1/2x - 1 + 3
⇒ y = 1/2x + 2
Therefore, The equation of line passes through the point (2, 3) will be;
⇒ y = 1/2x + 2
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Vincent has already taken 2 pages of notes on his own, and he will take 1 page during each hour of class. In all, how many hours will Vincent have to spend in class before he will have a total of 46 pages of notes in his notebook?
Your answer will be 35
expression
F
G
H
J
115. Use the distributive property to find 3(13-5) written as an equivalent
3(8)
3-13-3-5
3(13)-3(5)
3-13-3-5
Answer:
C) 3(13) - 3(5)
Step-by-step explanation:
Using the distributive property of multiplication, you will distribute the outer term (3 in this case) with all terms within the parentheses (13 and 5 respectively:
Solve:
3(13 - 5)
Multiply 3 with 13, and 3 with -5:
\(3(13 - 5)\\(3 * 13) + (3 * -5)\\(3 * 13) - (3 * 5)\)
C) 3(13) - 3(5) is your answer.
~
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Put the steps in correct order to find the mean absolute deviation. WILL MARK BRAINLEST
Answer:
1. First, find the mean of the data set.
2. Find the average of the numbers by adding them and dividing them by the number of values
3. Subtract the mean from each value in the table.
Step-by-step explanation:
Your answer is correct! Hope this helps!
I NEED HELP ASAP Write an equation to represent the statement "Four less than the product of three and x is twenty-three."
A 3x - 4 = 23
B 4- 3x = 23
C 4x-3 =23
D 3- 4x = 23
IF YOU ANSWER CORRECTLY ILL MARK YOUR ANSWER AS BRANLIEST✨✨IF YOU GET IT WRONG ILL WRITE A BAD REVIEW ;)
Answer:
the answer is A
Step-by-step explanation:
you start with your product and x which is equal to 3x ...4 less than the product is after the 3x and set it equal to 23.
Find the indicated partial sum of the arithmetic series. 0 + (x + 2) + (2x + 4) + (3x + 6) +. . . ; S10
A. 9x + 18
B. 10x + 20
C. 45x + 90
D. 55x + 110
The partial sum \(S_{10}\) of the arithmetic series 45x + 90
The correct answer is an option (C)
Here the arithmetic series is 0 + (x + 2) + (2x + 4) + (3x + 6) +. . .
the first term is: a₁ = 0
The common difference between the consecutive terms is:
d = (x + 2) - 0
d = x + 2
We know that the formula for the n-th term of the arithmetic sequence is:
a_n = a₁ + (n - 1)d
We need to find the 10th term of above arthmetic series.
Using above formula:
a₁₀ = 0 + (10 - 1) (x + 2)
a₁₀ = 9(x + 2)
a₁₀ = 9x + 18
We know that the formula for the sum of first n terms of the arithmetic sequence is:
\(S_n=\frac{n}{2} (a_1+a_n)\)
So, the sum of first 10 terms of arithemtic series would be:
S_10 = (10/2)(0 + 9x + 18)
S_10 = 5 (9x + 18)
S_10 = 45x + 90
Therefore S10 = 45x + 90
The correct answer is an option (C)
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Consider the statement 4 + 5 = 2 + 7. This is a grammatically correct sentence.
Is the sentence true or false?
Answer:
Yes it would be.
Greetings from Brasil...
We have a true sentence because:
4 + 5 = 2 + 7
9 = 9and really nine is equal to nine
I need help with this practice problem solving Read the instructions, then answer by filling in the three boxes
For tax and accounting purposes, corporations depreciate the value of equipment each year. One method used is called "linear depreciation," where the value decreases over time in a linear manner. Suppose that two years after purchase, an industrial milling machine is worth $710,000, and five years after purchase, the machine is worth $180,000.
Required:
Find a formula for the machine value V (in thousands of dollars) at time t ≥ 0 after purchase.
The formula for the machine value V (in thousands of dollars) at time t ≥ 0 after purchase is given as follows: V (t) = Ct - rt, where C is the initial cost of the machine in thousands of dollars, r is the depreciation rate per year, and t is the time in years since the machine was purchased. V(t) = 710 - 13.7925t Answer: V(t) = 710 - 13.7925t
The value of an industrial milling machine after two years of purchase is $710,000 and after five years, the value is $180,000. Let us find the depreciation rate of the machine.
Linear Depreciation Method: Linear depreciation method is one of the methods used to calculate depreciation in accounting. It is also called straight-line depreciation. Under this method, the depreciation expense of an asset is the same for each year of its useful life.
The formula to calculate the depreciation expense using the straight-line depreciation method is:Depreciation Expense = (Cost of Asset - Salvage Value)/Useful Life Let,
The cost of the industrial milling machine = C = 710The value of the industrial milling machine after five years = S = 180The useful life of the machine in years = LWe have to find a formula for the machine value V (in thousands of dollars) at time t ≥ 0 after purchase.
To find the useful life of the machine, use the following formula:Cost of Asset = Depreciation Expense x Useful Life + Salvage Value710 = (710 - 180)/L * L + 180
Simplifying the above equation, we get:710 = 530/L + 180Multiplying both sides of the equation by L and then subtracting 180 from both sides, we get:530L = 530L = 530 - 180L = 350/53.
Therefore, useful life, L = 350/53 yearsThe depreciation rate of the industrial milling machine is the difference between its cost and salvage value divided by its useful life.
Using the given information, the cost of the machine and the value of the machine after five years, we get: Depreciation Rate = (Cost of Machine - Salvage Value) / Useful LifeDepreciation Rate = (710 - 180) / (350/53)Depreciation Rate = 13.7925
Hence, the formula for the machine value V (in thousands of dollars) at time t ≥ 0 after purchase is given as follows:V (t) = Ct - rt, where C is the initial cost of the machine in thousands of dollars, r is the depreciation rate per year, and t is the time in years since the machine was purchased. V(t) = 710 - 13.7925t Answer: V(t) = 710 - 13.7925t
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Which ordered pair makes both inequalities true?
y > –3x + 3
y > 2x – 2
On a coordinate plane, 2 straight lines are shown. The first solid line has a positive slope and goes through (0, negative 2) and (1, 0). Everything to the left of the line is shaded. The second dashed line has a negative slope and goes through (0, 3) and (1, 0). Everything to the right of the line is shaded.
The ordered pair which makes both inequalities true is: D. (3, 0).
Here, we have,
In Mathematics, an inequality can be used to show the relationship between two (2) or more integers and variables in an equation.
In order to determine ordered pair which makes both inequalities true, we would substitute the points into the inequalities as follows:
At (0, 0), we have:
y > -2x + 3
0 > -2(0) + 3
0 > 3 (false).
y < x – 2
0 < 0 - 2
0 < -2 (false)
At (0, -1), we have:
y > -2x + 3
-1 > -2(0) + 3
-1 > 3 (false).
y < x – 2
-1 < 0 - 2
-1 < -2 (false)
At (1, 1), we have:
y > -2x + 3
1 > -2(1) + 3
1 > -1 (true).
y < x – 2
1 < 1 - 2
1 < -1 (false)
At (3, 0), we have:
y > -2x + 3
0 > -2(3) + 3
0 > -3 (true).
y < x – 2
0 < 3 - 2
0 < 1 (true).
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complete question:
Which ordered pair makes both inequalities true?
y > –2x + 3
y < x – 2
On a coordinate plane, 2 straight lines are shown. The first solid line has a positive slope and goes through (0, negative 2) and (2, 0). Everything to the right of the line is shaded. The second dashed line has a negative slope and goes through (0, 3) and (1, 1). Everything to the right of the line is shaded.
(0,0)
(0,–1)
(1,1)
(3,0)
A few times a week, Scott treats himself to a small latte from his favorite coffee shop. Each
latte costs $3.55. If Scott bought 15 lattes last month, how much did he spend?
Answer:
$53.25
Step-by-step explanation:
Select the correct answer.
Which graph shows a function and its inverse?
Answer:
See below
Step-by-step explanation:
If a function is bijective and 1-to-1, then it will have an inverse function. Consequentially, they will be symmetrical about the line \(y=x\), which is a diagonal line passing through the origin at a 45 degree angle.
None of the graphs look correct though, but it also seems that some options are cut out, so make sure to choose the correct graph given the characteristics I've previously described.
Answer:b
Step-by-step explanation:
Sam has a rectangular rug with an area of 48 square feet. The rug is 8 feet longer than it is wide. What is the width of the rug?
Given:
Arear of rectangular rug = 48 sq. feet.
The rug is 8 feet longer than it is wide.
To find:
The width of the rug.
Solution:
Let x feet be the width of the rug.
The rug is 8 feet longer than it is wide.
Length of the rug = (x+8) feet
Area of a rectangle is
\(Area=Length\times Width\)
Arear of rectangular rug is 48 sq. feet.
\(48=(x+8)\times x\)
\(48=x^2+8x\)
\(0=x^2+8x-48\)
Splitting the middle term, we get
\(x^2+12x-4x-48=0\)
\(x(x+12)-4(x+12)=0\)
\((x+12)(x-4)=0\)
Using zero product property, we get
\((x+12)=0\text{ and }(x-4)=0\)
\(x=-12\text{ and }x=4\)
Width cannot be negative. So, \(x=4\).
Therefore, the width of the rug is 4 feet.
consider a water pipe that branches into two smaller pipes. if the flow of water is 10 gallons per minute in the main pipe and 4 gallons per minute in one of the branches, how much water per minute flows in the other branch?
If the flow of one of the branches of the main pipe is 04 gallons per minutes and the second branch of the main pipe will floe 6 gallons per minute.
Since the water is not leaking, the amount of water flowing in through the larger pipe should be equal to the amount of water flowing out through the smaller pipe.
So, if r₁ is the flow rate in bigger pipe and r₂ and r₃ are the flow rate in smaller pipe, then we must have
r₁ = r₂ + r₃
⇒ r₃ = r₂ - r₁
In the given problem we have,
r₁ = 10 gallons per minute
r₂ = 4 gallons per minute
So, using the above formula we have,
r₃ = 10 gallons per minute - 4 gallons per minute
= 6 gallons per minute.
Therefore, the water flow in the other branch will be 6 gallon per minute.
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What is the sum of the fractions below?3/4+6/7A.9/11B.9/28C.45/28D.45/11
3/4+6/7 = (21 + 24)/28 = 45/28
The answer is C. 45/28
Income at the architectural firm Spraggins and Yunes for the period February to July was as follows:
Month February March April May June July
Income ($000's) 90.0 91.5 96.0 85.4 92.2 96.0
a) Assume that the initial forecast for February is 85.0 ( in thousands $) and the initial trend adjustments is 0. The smoothing constants selected are alpha=.1 and beta=.2. Using trend-adjusted exponential smoothing, the forecast for the architectural firm's August income is _____ thousand dollars. ( two decimal places)
b) The mean squared error (MSE) for the forecast developed using trend-adjusted exponential smoothing is _____(thousand dollars)^2. ( two decimal place)
Using trend-adjusted exponential smoothing with alpha = 0.1 and beta = 0.2, the forecast for the architectural firm's August income is $94.92 thousand dollars. The mean squared error (MSE) for this forecast is 2.12 \((thousand dollars)^2\).
Trend-adjusted exponential smoothing combines exponential smoothing with a trend adjustment factor. The forecast for a given period is calculated based on the previous forecast and the previous trend value. In this case, the initial forecast for February is given as $85.0 thousand dollars, and the initial trend adjustment is 0.
To calculate the forecast for each month, we use the following formulas:
Level forecast = Previous level forecast + Previous trend adjustment
Trend forecast = Previous trend forecast + Beta * (Current level forecast - Previous level forecast)
Forecast for next period = Level forecast + Trend forecast
Using these formulas, we can calculate the forecasts for each month from February to July. Then, for August, we can apply the trend adjustment formula using the previous level forecast and trend forecast. The resulting forecast for August is $94.92 thousand dollars.
The mean squared error (MSE) is a measure of the accuracy of the forecast. It is calculated by taking the average of the squared differences between the actual income values and the forecasted values. In this case, the MSE for the forecast developed using trend-adjusted exponential smoothing is 2.12 \((thousand dollars)^2\). A lower MSE indicates a better fit between the forecast and the actual data.
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Which of the Following Algebraic Expressions correctly represents The phrase” 30 divided by 7 times a number”
Is a hole in a function a discontinuity?
Yes, a hole in a function is considered a type of discontinuity. A hole occurs when a point is missing from the graph of a function, which causes the graph to have a break in it.
A discontinuity is a break or jump in the graph of a function. A hole in a function is a type of discontinuity where a point is missing from the graph, causing the graph to have a break in it. This type of discontinuity is usually caused by a function having a denominator that is equal to zero, as this creates an undefined point on the graph. This can also occur when two parts of the function are not connected, causing an open gap in the graph. In both cases, the graph is not continuous and has a discontinuity at the point where the hole is present.
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Yes, the function has a hole in discontinuity.
The term function in math is called as a rule that gives value of a dependent variable that corresponds to specified values of one or more independent variables.
Here we to identify is a hole in a function a discontinuity.
the term discontinuity is defined as is discontinuous at a point if it becomes undefined or the limit at that point does not exist. And whether this point is known as the point of discontinuity.
While we looking the hole on a graph looks like a hollow circle. And which represents the fact that the function approaches the point, here it is not actually defined on that precise value. Where the major reason why this function is not defined at is because is not in the domain of the function.
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Simplify by combining like terms.
25pq + 13pq - 6 - 35pq + 4
Answer:
3pq-2
Step-by-step explanation:
25pq + 13pq = 38pq
Next
38pq - 35pq = 3pq
so thats ur first like terms combined then you have to do.
-6+4 = -2
So then you have your answer
3pq-2
Answer:
-17pq-2
Step-by-step explanation:
Marco is 450 m due east of the centre of the park: His friend Ray ` is 450 m due south of the centre of the park; Which is the correct expression for the exact distance between the two boys? 2254/2 m 450N2 m 450 1 What is the exact value for tan (2409)2 -N3
The exact value for the tangent of 240° is -0.422618261740699. The tangent of an angle is the ratio of the length of the opposite side to the length of the adjacent side of a right triangle.
The tangent of an angle is the ratio of the length of the opposite side to the length of the adjacent side of a right triangle. In order to calculate the tangent of 240°, first, find the ratio of the length of the opposite side to the length of the adjacent side. Then, use a calculator to convert the ratio into a decimal. To do this, simply divide the length of the opposite side by the length of the adjacent side. The decimal that is produced is the exact value for the tangent of 240°. In this case, the value is -0.422618261740699.
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i need help fast plss
Answer:216
Step-by-step explanation:3x9x8
Answer:
12
Step-by-step explanation:
Donna is d years old, and her age one year ago was half her age six
years from now.
Pls help
The following table shows the number of candy bars bought at a local grocery store and the
total cost of the candy bars:
Candy Bars 3
5
Total Cost $6.65
8
$10.45 $16.15
12
$23.75
15
$29.45
20
$38.95
25
$48.45
Based on the data in the table, find the slope of the linear model that represents the cost
of the candy per bar: m =
Answer:
The slope of a linear model can be calculated using the formula:
m = Δy / Δx
where:
Δy = change in y (the dependent variable, in this case, total cost)
Δx = change in x (the independent variable, in this case, number of candy bars)
This is essentially the "rise over run" concept from geometry, applied to data points on a graph.
In this case, we can take two points from the table (for instance, the first and last) and calculate the slope.
Let's take the first point (3 candy bars, $6.65) and the last point (25 candy bars, $48.45).
Δy = $48.45 - $6.65 = $41.8
Δx = 25 - 3 = 22
So the slope m would be:
m = Δy / Δx = $41.8 / 22 = $1.9 per candy bar
This suggests that the cost of each candy bar is $1.9 according to this linear model.
Please note that this assumes the relationship between the number of candy bars and the total cost is perfectly linear, which might not be the case in reality.
What kinds of quadrilateral is the shape shown? The matching arrow labels indicate that two opposite sides are parallel. (Remind me about the shapes 5 5
The quadrilateral in the picture is a square since all four sides are equal.
The angles are all equal and all are right angles.
Clearly, the quadrilateral is a square.
Simplify 9 - 3(5-4x)
Answer:
12x-6
Step-by-step explanation:
9-3(5-4x) distribute
9-15+12x subtract
-6+12x rearrange
12x-6
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The perimeter of a rectangular field is 342 m. If the width of the field is 76 m, what is it’s length?
Answer:
The length is 95 m
Step-by-step explanation:
P = 2(l+w) where l is the length and w is the width
342 = 2(l+76)
Divide each side by 2
342/2 = 2/2(l+76)
171= l+76
Subtract 76 from each side
171- 76 = l+76-76
95 = l
it's all on the picture
What are the steps for (4^-2x4^-3)^3?
Answer:
\(\frac{x^3}{1024^3}\)
Step-by-step explanation:
Use negative power rule: x^-a=1/x^a.
(1/4^2x * 4^-3)^3
simplify 4^2 to 16
(1/16x * 4 ^-3)^3
Use negative power rule: x^-a=1/x^a.
(1/16x * 1/4^3)^3
simplify 4^3 to 64.
(1/16x * 1/64)^3
use this rule: a/b * c/d = ac/bd.
(1*x*1/16*64)^3
Simplify the top part
(x/16*64)^3
Simplify the bottom
(x/1024)^3
use division distributive property: (x/y)^a=x^a/y^a.
x^3/1024^3
A study on students drinking habits wants to determine the true average number of alcoholic drinks all FSU graduate students have in a one week period. We know from preliminary studies that the standard deviation is around 1.79. How many students should be sampled to be within 0.5 drinks of population mean with 95% probability?
A. 50
B. 49
C. 24
D. 25