Answer:
7x=42°
8x=48°
Step-by-step explanation:
Sum of all interior angles in a triangle=180°
90+8x+7x=180
90+15x=180
15x=180-90
15x=90
x=90/15
x=6
The measure of each acute angle is 42° and 48°.
what is an Acute angle?If an angle is less than 90 degrees, then it is called an Acute angle. Acute angles measure less than 90 degrees. Right angles measure 90 degrees. Obtuse angles measure more than 90 degrees.
Given there is a right triangle. since it's a right triangle angle one angle will always be 90 degrees.
Since the sum of all angles of any triangle is 180 degrees thus,
7x + 8x + 90 = 180
15x = 90
x = 6
since each acute angles were 7x and 8x
hence those angles would be 42 and 48 degrees.
therefore, Each acute angle is 42° and 48° in size.
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What is the slope of a line perpendicular to the line whose equation is 4x-2y=-16 Fully simplify your answer.
Two lines are perpendicular if the multiplication of their slopes is equal to -1.
Isolating y from the equation:
\(\begin{gathered} 4x-2y=-16 \\ 4x-2y+16=0 \\ 4x+16=2y \\ \frac{4x+16}{2}=y \\ \frac{4x}{2}+\frac{16}{2}=y \\ 2x+8=y \end{gathered}\)The slope of this line is 2. Therefore, the slope of the line perpendicular to this one will be:
\(\begin{gathered} m\cdot2=-1 \\ m=-\frac{1}{2} \end{gathered}\)What is the one shape of cross-section we could create by slicing the cylinder diagonal to its base, not through the base itself?
A:Triangle
B:Rectangle
C: CIrcle
D: Ellipse
The correct option is (d) i.e. Ellipse.
What is a Ellipse?
An ellipse can be defined as the set of all points in a plane, such that the sum of the distances from any point on the ellipse to two fixed points (called the foci) is constant. The foci are located on the major axis and are equidistant from the center of the ellipse. It is a closed curve that is symmetric about two axes, known as the major axis and the minor axis. The major axis is the longer of the two axes, while the minor axis is the shorter one.
If we slice a cylinder diagonally to its base, not through the base itself, we would get an elliptical cross-section.
This is because the cross-section of a cylinder is a circle when the cut is made parallel to the base. However, when the cut is made diagonally, the resulting cross-section is no longer a circle. It is an ellipse with its major axis perpendicular to the base and its minor axis parallel to the base.
This can be visualized by imagining a cylinder as a stack of circular disks. When a diagonal cut is made, each disk is sliced at an angle and the resulting shape of the cross-section changes from a circle to an ellipse.
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Can Someone Help Me Please????
The theorems that apply are A(HL) D(SAS) E(LL)
What are similar triangles?Two triangles are said to be similar if their corresponding angles are equal and their corresponding lengths are in the same proportion.
Analysis:
The two triangles are similar according to the HL theorem since the hypotenuse of the two triangles are equal and one of the sides is same in both triangles. HL theorem applies.
The two triangles are similar according to LL theorem since the other lengths apart from the hypotenuse are also equal.
since two sides of both triangles are equal and there is an included angle 90 degree between the equal sides, the triangles are similar based on SAS.
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Fiona has a total of 41 bills in her purse, all of
them ones and fives. If the value of the bills is
$133, then how many fives does Fiona have?
Answer: 26
Step-by-step explanation:
26x5=130
130+(1x3)=133
Answer:
23
Step-by-step explanation:
41-f+4=133
4f=92
f=23
Solve the equation.
a
-9x + 1 = -x + 17
O x=-8
O x = -2
Ox= 2
O x = 8
The solution of the given equation is x = -2.
What is an Equation?An equation is a mathematical statement containing two expressions on either sides which are connected with an equal to sign.
Either sides of an equation is called as left hand side and right hand side.
Given equation is,
-9x + 1 = -x + 17
We have to find the solution of the given equation.
Take the like terms together.
Subtracting one on both sides,
-9x = -x + 16
Adding x on both sides,
-8x = 16
Dividing by -8 on both sides,
x = -2
Hence the solution is x = -2.
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HALP
Given the triangles are similar, find x.
Answer:
18.75
Step-by-step explanation:
3. for questions 3-5, complete the missing values in each table below using the graph
The missing values are derived from the graph as follows:
3 ) 7, 14, 21, 28, 35
4) 3, 7, 10, 14, 17
5) 1, 21, 10, 49, 19
What is a graph?In mathematics, a graph is defined as a graphical representation or diagram that organizes facts or values. The graph's points frequently reflect the relationship between two or more objects.
In order to solve for the above values, the best way is to spot the function that exists in the graph which is given as:
F(y) = 3.5x
In the first table, where x = 2
y= 3.5 *2
= 7
This iteration goes on and on and is consistent for all the values.
In the second table,
Where F(y) is known, for example 10.5, then x is derived as:
10.5 = 3.5x (divide both sides by 3.5)
x = 3
This iteration goes on and on and is consistent for all the values.
In the third table, we simply swap the values back and forth using the function F(y) = 3.5x to derive all values.
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Q2) If z is directly proportional to x and z = 12 when x = 3, find the value of x when z = 18.
Answer:
4.5
Step-by-step explanation:
→ Set up the direct proportion equation
z = kx
→ Substitute in the values
12 = 3k
→ Divide both sides by 3 to isolate k
4 = k
→ Substitute the value of k back into the original direct proportion equation
z = 4x
→ Substitute the value of z in
18 = 4x
→ Divide both sides by 4 to isolate x
4.5 = x
Answer:
4.5
Step-by-step explanation:
I'm a surgery 9 out of 15 students named math as their favorite subject. Express this rate as a decimal
WILL LIST BRANLIEST
Answer:
0.6
Step-by-step explanation:
9÷15=0.6
Hello again! I need help doing my homework again ;-;
Angle addition postulate
Answer:
x = 4; m(∠EFH) = 21°, m(∠EFG) = 83°x = 7, m(∠WXZ) = 38°, m(∠ZXY) = 52°Step-by-step explanation:
❁ Hello! ❁
----------
m(∠EFH) + m(∠HFG) = m(∠EFG)
(5x + 1) + 62 = (18x + 11)
5x + 1 + 62 = 18x + 11
5x + 63 = 18x + 11
5x - 18x = 11 - 63
-13x = 11 - 63
-13x = -52
x = -52 ÷ (-13)
x = 4
m(∠EFH) = 5x + 1 => m(∠EFH) = 5 × 4 + 1 => m(∠EFH) = 20 + 1 => m(∠EFH) = 21°
m(∠EFG) = 18x + 11 => m(∠EFG) = 18 × 4 + 11 => m(∠EFG) = 72 + 11 => m(∠EFG) = 83°
----------
A right angle is 90°.
m(∠WXZ) + m(∠ZXY) = m(∠WXY)
(5x + 3) + (8x - 4) = 90
5x + 3 + 8x - 4 = 90
13x + 3 - 4 = 90
13x - 1 = 90
13x = 90 + 1
13x = 91
x = 91 ÷ 13
x = 7
m(∠WXZ) = 5x + 3 => m(∠WXZ) = 5 × 7 + 3 => m(∠WXZ) = 35 + 3 => m(∠WXZ) = 38°
m(∠ZXY) = 8x - 4 => m(∠ZXY) = 8 × 7 - 4 => m(∠ZXY) = 56 - 4 => m(∠ZXY) = 52°
----------
Success! ☺️
1.21 is 42% of what number?
(1 Point)
8.82
50
200
4. There are major chords built on what three notes (with all white notes and no accidentals)? O CFG O ABC GEB OCDE
The three major chords built on white notes without accidentals are:
1. C major chord (C, E, G)
2. F major chord (F, A, C)
3. G major chord (G, B, D)
These chords are formed by taking the root note, skipping one white note, and adding the next white note on top. For example, in the C major chord, the notes C, E, and G are played together to create a harmonious sound.
Similarly, the F major chord is formed by playing F, A, and C, and the G major chord is formed by playing G, B, and D. These three major chords are commonly used in various musical compositions and are fundamental building blocks in music theory.
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Omg omg omg the dead lien is close now
Answer:7.3
Step-by-step explanation: a^2+b^2=c^2 then square root of a+b
Answer: 6.7
Step-by-step explanation:
Look closely
Name of indian nation flower ?
Answer:
Arre tum idhar sab India ke baare mai kyu puch rahe the ?¿
Step-by-step explanation:
Comment here
Started at –20° and changed 0° whats is the slope
Answer:
See below
Step-by-step explanation:
Start out -20 and change 0° ?
then there is zero slope as this would be a horizontal line.
the world population in 1997 was 5.88billion. the world population in 2017was 7.53billion. assume that the ratio between the population in two consecutive years was constant between 1997 and 2017. which equation can be used to find r,the rate of growth per year of the world population?
The equation that can be used to find r, the rate of growth per year of the world population, is \(r = (7.53 / 5.88 )^{(1/20)} - 1\).
If we assume that the growth rate of the world population was constant from 1997 to 2017, then we can use the following equation:
Population in 2017 = Population in 1997 × (1 + r)²⁰
where r is the annual growth rate, and the exponent 20 represents the number of years between 1997 and 2017.
We can rewrite this equation to solve for r:
(7.53 ) = (5.88 ) × (1 + r)²⁰
Divide both sides by (5.88 ):
(7.53 ) / (5.88 ) = (1 + r)²⁰
Take the 20th root of both sides:
\((7.53 / 5.88 )^{(1/20)} = 1 + r\)
Subtract 1 from both sides:
\(r = (7.53 / 5.88 )^{(1/20)} - 1\)
Therefore, the equation that can be used to find r, the rate of growth per year of the world population, is \(r = (7.53 / 5.88 )^{(1/20)} - 1\).
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On a certain day, the temperature in Seattle was -5° and the temperature in Houston was 10°. How many degrees lower was the temperature in Seattle?
Answer:
15 degrees lower
Step-by-step explanation:
When you are trying to find the difference between a negative and positive number, add both numbers and you will get the difference. In this case it was 15.
Sorry, math isn't my strongest suit, but i hoped this helped!
Translations Use the translation (x,y)(x+5,y-9) for questions 1-7. 1. What is the image of A(-1,3)? 2. What is the image of B(2,5)? 3. What is the image of C(4,-2)? 4. What is the image of A'? 5. What is the preimage of D'(12,7)? 6. What is the image of A"?
Answer:
The answer is c hopes this helps
It wants me to use division, but sadly I am not getting the answers I want with it. Please help!
Answer:
a. 70 gallons of water were leaked each month.
Step-by-step explanation:
Set up an equation:
Variable x = gallons leaked each month
210/3 = x/1
Cross multiply:
210 × 1 = 3 × x
210 = 3x
Divide by 3 to isolate the variable:
70 = x
The division part is only 210 ÷ 3 = x. I wrote it down this way so you can see how I came to this equation.
Check your work:
210/3 = 70/1
210 × 1 = 3 × 70
210 = 210
Correct!
plz i need help ill give brainliest
Answer:
1- true
2-false
3-false
4-true
5 true
6 false
7 true
8 FALSE
You perform a Chi-Square test and obtain a p-value lower than 0.01. What does that mean?
Performing a Chi-Square test is a statistical tool used to determine if there is a significant difference between observed and expected data. The test helps to analyze categorical data by comparing observed frequencies to the expected frequencies. The p-value in a Chi-Square test refers to the probability of obtaining the observed results by chance alone.
If a p-value lower than 0.01 is obtained in a Chi-Square test, it means that the results are statistically significant. In other words, there is strong evidence to reject the null hypothesis, which states that there is no significant difference between the observed and expected data. This means that the observed data is not due to chance alone, but rather to some other factor or factors.
The mean, or average, is not directly related to the Chi-Square test or the p-value. The Chi-Square test is specifically used to determine the significance of the observed data. However, the mean can be used as a measure of central tendency for continuous data, but it is not applicable to categorical data.
In conclusion, obtaining a p-value lower than 0.01 in a Chi-Square test means that there is strong evidence to reject the null hypothesis, and that the observed data is statistically significant.
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3x^2-8=5x solve using quadratic equation
Answer:
x = -1 or x = 8/3
Step-by-step explanation:
3x² - 8 = 5x
3x² - 5x - 8 = 0
3x² - 8x + 3x - 8 = 0
(Here you find two numbers which have a sum of -5 and a product of 3×-8= -24. These two numbers are -8 and 3. -8 + 3 = -5 and -8 × 3 = -24.)
(3x² - 8x) (3x - 8) = 0
x(3x - 8) +1(3x - 8) = 0
(x + 1) (3x - 8) = 0
x + 1 = 0 OR 3x - 8 = 0
x = -1 3x = 8
x = \(\frac{8}{3}\)
CAN SOMEONE HELP ME PLEASE
HELP ME WITH MATH PLS!!
Use one or more sets of brackets to calculate at least three different answers for this expression:
4.5 + 2 x 2.5-to-the-power-of 2 – 6 = ??
Answer:
4.5 + (2 x 2.5 to the power of 2) - 6
4.5+12.5-6
17-6 = 11
(4.5+2) 2.5 to the power of 2 - 6
6.5 x 6.25 - 6
40.625 - 6 = 34.625
4.5 + 2(2.5 to the power of 2 - 6)
4.5 + 2 x 0.25
4.5+0.5+5
How would you use a table to graph –3x + 4y = 23?
Answer: you would look for y and then once you have y you put it into desemos which is a graphing app and then you get your line
Step-by-step explanation: you would do +3x on both sides with out doing it to the 4y and the. You would get 4y =23+3x and then you divide everything by 4 even the 4y and then you would get y= 23/4 + 3/4x and then you put it into desemos and it will give you it graphed
Find the
n
th
term of the sequence that starts with 31, 35, 39, 43
Answer:
Step-by-step explanation:
This is a sequence of adding 4
So the next number is 47 51
When the declaration/// int y = 5; /// is followed by the
assignment /// y += 3.7; /// the value of y is _______.
Answer:
y = 8.7
Step-by-step explanation:
Assuming we can use decimal places, y is equal to 8.7.
In programming, += is often used as a substitute for y = y + x (example)
Therefore, y = y + 3.7, and since y = 5, y = 5 + 3.7, y = 8.7
Write a function to represent the point (x, y) rotated 90° counterclockwise about the origin.
Answer:
see explanation
Step-by-step explanation:
Under a counterclockwise rotation about the origin of 90°
a point (x, y ) → (- y, x )
The function that represents the rotation of coordination by 90° counterclockwise about the origin is R(x, y )= (- y, x ).
What are coordinates?A coordinate system in geometry is a system that employs one or more integers, or coordinates, to define the position of points or other geometric components on a manifold such as Euclidean space.
When the given coordinate (x,y) are rotated rotated 90° counterclockwise about the origin, then the coordinates become (- y, x ).
R(x, y )= (- y, x )
Therefore, the function that represents the rotation of coordination by 90° counterclockwise about the origin is R(x, y )= (- y, x ).
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B4.1a) The diagram shows a triangle.
Not to scale
of
stion
Find the value of x
degrees
B4.1b) The diagram shows a triangle,