Answers
Applying the triangle sum theorem, the value of x in the image given is:
x = 33°; x = 45°
How to Find the Value of x in the Triangles?Recall that according to the triangle sum theorem, all three interior angles of a triangle is equal to 180 degrees.
a. x + 21 + (180 - 54) = 180 [triangle sum theorem]
x + 147 = 180
x = 180 - 147
x = 33°
b. (180 - 102) + x + 57 = 180 [triangle sum theorem]
x + 135 = 180
x = 180 - 135
x = 45°
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Related Questions
PLEASEE ASAPPPPPPPPPP
It's in the picture beloww
Answers
The volume of the cone for B based on the information is 39.25 unit³
How to calculate the volumeThe formula for the volume of a cone is:
V = 1/3 πr^2h
Where:
V = Volume
π = 3.14
r = Radius of the base of the cone
h = Height of the cone
Based on the information, the volume of the cone will be:
V = 1/3 πr^2h
V = 1/3 × 3.14 × 2.5² × 6
V = 39.25 unit³
Therefore, the volume of the cone is 39.25 unit³
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i really need help with this
Answers
Answer:
(a) 15 students
(b) 3 minutes (by 4 students)
(c) 2 students
(d) 7 students
(e) Ordering this data from least to greatest:
0, 1, 2, 2, 3, 3, 3, 3, 5, 5, 7, 7, 9, 9, 11
The median number is 3.
Katy is making 2-layer dip for a party and has 10 ingredients from which to choose. In how many ways can she pick out and layer 2 ingredients?
Answers
Answer:
45
Step-by-step explanation:
10!/(10-2)!*2!
10!=1*2*3*4*5*6*7*8*9*10=3628800
8!=1*2*3*4*5*6*7*8=40320
2!=1*2=2
3628800/40320*2
3628800/80640=45
Prove:is tangent to circle C.
Answers
The tangent at any point of a circle is perpendicular to the radius through the point of contact by showing that line PQ coincides with the radius OP.
Let us assume that we have a circle with center O and radius r.
Let P be any point on the circle .
And let Q be the point of intersection of the tangent to the circle at P and the radius OP,
To prove that PQ is perpendicular to OP.
First, we observe that OP is a radius of the circle and therefore its length is r.
Since PQ is tangent to the circle at point P,
It is perpendicular to the radius drawn from the center of the circle to point P.
As the tangent to a circle is perpendicular to the radius drawn to the point of contact.
This implies, angle QOP is a right angle.
Next, triangle OPQ is a right triangle with right angle at Q.
By the Pythagorean Theorem, we have,
OP²= OQ² + PQ²
Substituting r for OP and noting that OQ = r since Q is on the radius. we have,
⇒ r² = r²+ PQ²
Subtracting r² from both sides, we get,
⇒ PQ² = 0
This implies that PQ = 0,
In other words, that point Q coincides with point P.
PQ is a line that coincides with the radius OP.
And since angle QOP is a right angle, we can conclude that PQ is perpendicular to OP.
Therefore, it is proved that the tangent at any point of a circle is perpendicular to the radius through the point of contact.
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The above question is incomplete, the complete question is:
Prove that the tangent at any point of a circle is perpendicular to the radius through the point of contact.
What are the values of sin X and tab Y in the triangle below?
Answers
The value of the identities are;
sin X= 3/√34
tan Y = 3/5
Option A
How to determine the valueTo determine the value, we need to take note of the different trigonometric identities. These identities are;
sinetangentcotangentcosecantsecantcosineFrom the information given, we have that;
the hypotenuse side = √34
The opposite of X is 3
the opposite of Y is 5
Using the sine identity;
Substitute the opposite and the hypotenuse in the fraction order
sin X = 3/√34
Using the tangent identity, we have;
tan Y = 3/5
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Look at the graph below. Is it a function or not a function? Explain your reasoning.
Answers
Find the value of x
Answers
The value of segment x is determined as 13.6 units.
option B
What is the value of length x?The value of length x is calculated as follows;
x² = 8 x ( 8 + 15)
From the diagram given, the length of the sides are as follows;
8, 15 and segment x
The value of segment x is calculated as follows;
x² = 8 x 23
x² = 184
x = √ ( 184 )
x = 13.6 units
Thus, the value of x is determined by applying the principle of tangent theorem.
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The geometric mean of two numbers is 5√3. One of the numbers is 3. What is the other number?
Answers
The two numbers whose geometric mean is 5√3 is 3 and 25
Given data ,
Let the geometric mean of the numbers be A = 5√3
Now , the first number is a = 3
Let the second number be b
And , the equation for the geometric mean as:
√(b x 3) = 5√3
To solve for "b", we can square both sides of the equation
(√(b * 3))² = (5√3)²
b x 3 = 75 (since (√a)² = a)
Now, we can divide both sides of the equation by 3
b = 75 / 3
b = 25
Hence , the other number is 25
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A recent college graduate has a $2,400 balance on a credit card that charges 13.5% interest, compounded monthly. What monthly payment must be made to pay this balance in two years?
$116.46
$102.25
$114.66
$113.50
Answers
The monthly payment required to made for the balance on credit card of $2400 with 13.5% of compound interest is given by $114.66.
Balance on credit card = $2,400
Rate of interest = 13.5%
Time period = 2 years
Let us consider monthly payment be 'M' required to pay off a balance 'B'.
Time period of time 'n' with monthly interest rate 'r' .
Use the formula of monthly compounding is ,
M = r × B / (1 - (1+r)⁻ⁿ )
Here, the balance is B = $2,400,
The interest rate is r = 0.135/12 = 0.01125 since the interest is compounded monthly.
And the period of time is n = 2 years × 12 months/year
= 24 months.
Plugging in these values, we get,
M = 0.01125 × $2,400 / (1 - (1+0.01125)⁻²⁴)
Simplifying this expression, we get,
⇒ m = 27 /(1 - (1.01125)⁻²⁴)
⇒ m = 27 / ( 1- 0.7645 )
⇒ m = $114.66
Therefore, the monthly payment required to pay off the $2,400 balance with compound interest in two years is $114.66.
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What is the measurement of the hypotenuse in the triangle?
07
08
0 ~/61
4
Answers
The length of the hypotenuse of the given right angled triangle is √113.
Three given side lengths of a triangle a, b and c are said to be the sides of the right angled triangle if -
a² = b² + c²
The above theorem is known as the Pythagoras theorem.
Now, we can write that -
(hypotenuse)² = (base)² + (perpendicular)²
(hypotenuse)² = (7 x 7) + (8 x 8)
(hypotenuse)² = 49 + 64
(hypotenuse)² = 113
(hypotenuse) = √113
So, the length of the hypotenuse of the given right angled triangle is √113.
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The diagram shows a square.
(6x - 1) cm
Find the length of the side of the square.
Your final answer must say, side = . . . cm
(4x + 6) cm
Cm=?
+
Answers
The length of the side of the square is given as follows:
20 cm.
How to obtain the side length of the square?In the figure, there are two expressions used to give the side length to each square, as follows:
6x - 1.4x + 6.In a square, all the four side lengths have the same length, hence the value of x is obtained as follows:
6x - 1 = 4x + 6
2x = 7
x = 3.5 cm.
Then the side length of the square is obtained as follows:
6(3.5) - 1 = 20 cm.
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Which Box And Whisker Plot Has GREATEST interguartile range? picture below
Answers
The box and whisker plot that has the greatest interquartile range is option 3..
What is the Interquartile Range of a data Displayed in a Box and Whisker Plot?The interquartile range of a data set can be found by finding the difference of the data at the beginning and end of the edges of the rectangular box in a box and whisker plot.
It is also the difference between the third and first quartile.
The box and whisker plot in option 3 has the greatest interquartile range because the difference of the Q3 and Q1 is close to 9, which is the highest compared to the other data.
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Convert the fraction below into a decimal 23/40?
Answers
Answer:
Step-by-step explanation:
23/40 = 0.575
A dairy farmer wants to mix 35% protein supplement in a standard 10% protein ration to make 1300 pounds of high grades 25% protein ration how many pounds of each should he use
Answers
Answer:
Therefore, you need 2600 pounds of 35% supplement and 1300 - 2600 = -1300 pounds of 10% ration.
Step-by-step explanation:
The unknown variable is x, which is the amount of 35% supplement needed. The other expressions are derived from the given information and the fact that the total amount of solution is 1300 pounds.
The equation from the fourth column is:
0.35x + 0.10(1300 - x) = 0.25(1300)
Solving for x, we get:
x = (0.25(1300) - 0.10(1300)) / (0.35 - 0.10) x = 650 / 0.25 x = 2600
The sum of two numbers is 54. The smaller number is 14 less than the larger number. What are the numbers?
Larger number:
Smaller number:
Answers
Answer:21 and 33
Step-by-step explanation:
(54-n). n = 21.
The widget store manager points out that not all widget brands get equal purchase rates. A brand on premium shelf space has a 0.28 probability of being selected by each customer. He is willing to give you premium shelf space at the front of the store for a small fee. The additional fee, plus the original transportation costs, would raise the minimum number of widgets you would have to sell to 40 (to cover transportation costs and additional fee). Assuming 200 customers come into the store, use a binomial distribution to estimate the probability of at least covering the transportation costs and additional fee. Write your answer as a probability (not a percent) rounded to 4 decimals.
Answers
The probability of at least covering the transportation costs and additional fee is 0.9888.
To estimate the probability of at least covering the transportation costs and additional fee, we can use the binomial distribution.
The binomial distribution models the probability of success or failure in a fixed number of independent trials.
The probability of success is 0.28 (choosing a brand on premium shelf space), and we want to calculate the probability of at least 40 successes out of 200 trials (customers).
We can use the binomial probability formula to calculate this probability:
P(X ≥ 40) = 1 - P(X < 40)
Where:
P(X≥ 40) is the probability of at least 40 successes
P(X < 40) is the probability of less than 40 successes
P(X < 40) = sum of binomial probabilities for x = 0 to 39
P(X < 40) = sum [from x = 0 to 39] (200 C x) × (0.28ˣ)×(0.72²⁰⁰⁻ˣ)
P(X < 40) = 0.0112
Therefore,
P(X ≥ 40) = 1 - P(X < 40)
P(X ≥ 40) = 1 - 0.0112
P(X≥ 40) = 0.9888
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Find the sum of the infinite series, if possible.
Answers
S = a / (1 - r)
where "a" is the first term of the series and "r" is the common ratio between consecutive terms.
In this case, the first term is 3 and the common ratio is -1/3. So we can plug these values into the formula:
S = 3 / (1 - (-1/3))
S = 3 / (4/3)
S = 9/4
So the sum of the infinite series is 9/4.
Which situation could the probability distribution table represent?
X
A
B
C
P(X)
1
10
3
3
10
There are 50 cards. Each card is labeled A, B or C. Ten of the cards are labeled A, 30 of the cards are labeled B and 10 of
the cards are labeled C.
There are 20 cards. Each card is labeled A, B or C. Three of the cards are labeled A, 12 of the cards are labeled B and 5
of the cards are labeled C.
There are 40 cards. Each card is labeled A, B or C. Four of the cards are labeled A, 24 of the cards are labeled B and 12
of the cards are labeled C.
There are 60 cards. Each card is labeled A, B or C. Six of the cards are labeled A, 30 of the cards are labeled B and 24 of
the cards are labeled C.
Answers
The situation that could represent the probability distribution table is
There are 40 cards. Each card is labeled A, B or C. Four of the cards are labeled A, 24 of the cards are labeled B and 12 of the cards are labeled C; option is C.What is the probability distribution table?Considering the given probability distribution table:
X : P(X)
A = 1/10
B = 3/5
C = 3/10
Let there be 40 cards each labeled A, B, and C.
The probabilities are aclculated as follows:
Four of the cards are labeled A;
Hence, P(A) = 4/40 or 1/10
24 of the cards are labeled B;
Hence, P(B) = 24/40 or 3/5
12 of the cards are labeled C;
Hence, P(C) = 12/40 or 3/10
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Find the value of each variable in the following parallelogram - show work
Answers
Answer: x=14 y=10
Step-by-step explanation:
PLEASE HELP!!
1. Consider the following situations related to polar equations
a. Convert the following equation into polar form: (x + 3)² + (y − 1)² = 10
b. Graph the equation: r = 6 sin (20),0 ≤ 0 < 2. Identify the type of graph and its distinguishing characteristics.
Answers
The equation in polar form is r^2 + 6r * cos(θ) - 2r * sin(θ) = 0
How to put the equation in polar formx = r * cos(θ)
y = r * sin(θ)
The given equation is:
(x + 3)² + (y - 1)² = 10
Substitute x and y with the polar coordinate expressions:
(r * cos(θ) + 3)² + (r * sin(θ) - 1)² = 10
Expand and simplify:
(r^2 * cos^2(θ) + 6r * cos(θ) + 9) + (r^2 * sin^2(θ) - 2r * sin(θ) + 1) = 10
Combine like terms:
r^2 * (cos^2(θ) + sin^2(θ)) + 6r * cos(θ) - 2r * sin(θ) + 9 + 1 - 10 = 0
Since cos^2(θ) + sin^2(θ) = 1, we can simplify further:
r^2 + 6r * cos(θ) - 2r * sin(θ) = 0
Now, the equation is in polar form:
r^2 + 6r * cos(θ) - 2r * sin(θ) = 0
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Someone pls help me with this
Answers
The measures of the angles are a = 38, b = 52, c = 104 and d = 90 degrees
Calculating the measures of the angles a to dFrom the question, we have the following parameters that can be used in our computation:
The circle and its properties
The angle in a semicircle is 90 degrees
So, we have
d = 90
Using the properties of angles, we have
a = 1/2 * 76
a = 38
Also, we have
a + b + d = 180 --- sum of angles in a triangle
So, we have
38 + b + 90 = 180
This gives
b = 52
Using the properties of angles, we have
b = 1/2 * c
52 = 1/2 * c
c = 104
Hence, the measures of the angles are a = 38, b = 52, c = 104 and d = 90 degrees
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Which of the points below correctly plots the point (−2,−5π/3)?
Select the correct answer below:
A
B
C
D
E
F
Answers
Answer: F
Step-by-step explanation:
Answer: correct answer is A
Step-by-step explanation:
Remember that the coordinates (−2,−5π3) tell us the radius r=−2 and the angle θ=−5π3. So the point should be on the circle labeled 2 and form an angle of −5π3 with the negative x-axis. Point A is the correct point.
at a particular school, 30% of children travel by bus. if it represents 360 children, how many students attend school?
Answers
If 30% children travelling by bus is represented by 360 children, then total number of students who attended the school are 1200.
The "Percent" is a way of expressing a fraction or proportion as a number out of 100. It is a unit of measurement used to represent the relative size or amount of something compared to the whole.
If 30% of the children at a particular school travel by bus and this represents 360 children, we use this data to find total number of children who attend the school.
Let "X" be = total number of children at the school.
We know that 30% of X represents 360 children, so we can write an equation:
⇒ 30% of X = 360,
⇒ 30% × X = 360,
⇒ 0.3 × X = 360, ...because 30% = 0.3,
⇒ X = 360/0.3 = 1200,
Therefore, there are 1200 students who attend the school.
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3x-6y=-30 in slope-intercept form
Answers
Answer:
y = 1/2x + 5
Step-by-step explanation:
hope this helps :)
Answer:
y= 1/2x +5
Step-by-step explanation:
3x-6y=-30
-3x -3x
-6y = -3x -30
/-6 /-6 /-6
y = 1/2 +5
Raymond applies the pearl guitar fret markers to his fret board as shown. Each fret marker is in the shape of a parallelogram. Each of the 3 bottom fret markers has a base that measures mm and a height of mm. What is the area of each of the bottom fret markers? please help me im in desperate need for this awnser
Answers
The area of each of the bottom fret markers using given dimensions is equal to 364 square millimeters.
Base of the fret marker = 45.5mm
Height of the fret marker = 8mm
Attached image.
The area of a parallelogram can be found by multiplying the base by the height.
Here, the base of each of the 3 bottom fret markers is 45.5mm and the height is 8mm.
So, the area of each fret marker is,
Area = base x height
Substitute the value of base and height we have,
⇒ Area = 45.5mm x 8mm
⇒ Area = 364 mm²
Therefore, the area of each of the 3 bottom fret markers is 364 square millimeters.
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The above question is incomplete, the complete question is:
Raymond applies the pearl guitar fret markers to his fret board as shown. Each fret marker is in the shape of a parallelogram. Each of the 3 bottom fret markers has a base that measures 45.5mm and a height of 8mm. What is the area of each of the bottom fret markers?
Attached image.
the 9th term of 80,69,45
Answers
The differences are not the same, which suggests that the sequence is not arithmetic. we can not find the solution without any further information.
To find the 9th term of the sequence 80, 69, 45, we need to determine the pattern in the sequence.
Looking at the differences between consecutive terms, we can see that:
80 - 69 = 11
69 - 45 = 24
The differences are not the same, which suggests that the sequence is not arithmetic. However, if we take the differences between these differences, we get:
24 - 11 = 13
This difference is constant, which suggests that the sequence may be a second-degree (quadratic) sequence.
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please answer asap please
A piano mover uses a ramp to move a piano into a house. The doorway to the house is 2 feet above the ground and the ramp starts 7 feet from the doorway. Assuming the ground is level and is perpendicular to the side of the house, what is the approximate length of ramp? You must round your answer to two decimal places.
Answers
A huge suspended LED screen is the centerpiece of The Place, a popular mall in Beijing, China. Find the length and width of a similar rectangular screen if the length is 5 meters more than 6 times its width, and the viewable area is 5,550 square meters.
Answers
The length of the screen would be 182.2 meters and the width would be 30.2 meters.
Area of a rectangleLet's assume that the width of the screen is w. The length of the screen is 5 meters more than 6 times its width, which can be expressed as:
length = 6w + 5
The viewable area of the screen is given as 5,550 square meters. We know that the area of a rectangle is given by:
area = length x width5,550 = (6w + 5)w6w^2 + 5w - 5,550 = 0Solving the quadratic equation:
w = (-5 ± sqrt(5^2 - 4(6)(-5,550)))/(2(6))w = (-5 ± sqrt(138025))/12w = (-5 ± 371)/12w ≈ 30.2 or w ≈ -30.0Therefore, the width of the screen is approximately 30.2 meters. Now, let's find the length:
length = 6w + 5 ≈ 6(30.2) + 5 ≈ 182.2
In other words, the length of the screen is approximately 182.2 meters and the width of the screen is approximately 30.2 meters.
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Quadrilateral JKLM is an isosceles trapezoid. Write each length or angle measure. Trapezoid J K L M is divided into 4 triangles by its diagonals, which intersect at point R. Angle K M J is 27 degrees and angle L M K is 78 degrees. J R is 39 units and K R is 42 units.
m∠JKL =
m∠KJM =
JL =
m∠KRL =
Answers
JL = 4x = 12 units.
Step-by-step explanation:
Since JKLM is an isosceles trapezoid, we know that parallel sides JK and LM are congruent. Additionally, since the diagonals intersect at point R, we know that angles JRM and KRL are congruent.
To find m∠JKL, we can use the fact that the sum of the angles in a quadrilateral is 360 degrees. We know that angle LMK is 78 degrees, angle KJM is 27 degrees, and JRM and KRL are congruent. So, m∠JKL = 360 - 78 - 27 - 2x, where x is the measure of angle KRL.
To find angle KRL, we can use the fact that JRL and KRM are congruent (since they are opposite angles formed by intersecting lines). We also know that JRL + KRL = 180 degrees (since they form a linear pair). Therefore, JRL = KRL = (180 - 27 - 78) / 2 = 37.5 degrees.
Plugging this into our equation for m∠JKL, we get:
m∠JKL = 360 - 78 - 27 - 2(37.5) = 197 degrees
To find m∠KJM, we can simply use the given measure:
m∠KJM = 27 degrees
To find JL, we can use the Pythagorean theorem on right triangles JRL and KRL. We know that JRL is a 3-4-5 right triangle (since 3, 4, 5 is a Pythagorean triple), so JR = 3x and RL = 4x for some value of x. Similarly, we know that KRL is a 7-24-25 right triangle (since 7, 24, 25 is another Pythagorean triple), so KR = 7y and RL = 24y for some value of y.
Since JR = 39 and KR = 42, we can set up two equations:
3x + 24y = 39
4x + 7y = 42
Solving for x and y using any method (substitution, elimination, etc.), we get:
x = 3, y = 2
Therefore, JL = 4x = 12 units.
In the picture below, mLDFB = (4x)°.
Find the value of x.
Answers
The value of x would be equal to 36.
We are given that mLDFB = (4x)°.
Since angle DFB = 144°.
So, we can say that
144 = 4x
x = 144/4
x = 36
The value of x is 36.
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