Answer:
y = -x +4
Step-by-step explanation:
The y-intercept of the line is at +4, so the only viable choice is the last choice.
___
Each of the equations is shown in slope-intercept form:
y = mx + b
where b is the y-intercept, the y-value when x=0. The graph shows that as point (0, 4). So, the equation you're looking for is ...
y = (some x-term) +4
If you want to spend more brain power on the problem, you can compute the slope of the line as ...
m = ∆y/∆x = (1-4)/(3-0) = -3/3 = -1
Now, you know for sure the equation of the line is ...
y = -x +4
(9^3)^3 = ____
A) 9^0
B) 9^6
C) 9^9
D) 81
The answer is:
The correct option is:
C) [tex](9^{3})^{3}=9^{9}[/tex]
Why?To solve the problem, we need to remember the power of a power property, it's defined by the following way:
[tex](a^{m})^{n}=a^{m*n}[/tex]
When we have a power of a power, we need to keep the base and then, the new exponent will be the product between the two original exponents.
So, we are given the expression:
[tex](9^{3})^{3}[/tex]
Then, calculating we have:
[tex](9^{3})^{3}=9^{3*3}=9^{9}[/tex]
Hence, we have that the correct option is:
C) [tex](9^{3})^{3}=9^{9}[/tex]
Have a nice day!
Answer:
The correct answer is option C) 9^9
Step-by-step explanation:
Points to remember
Identities
(xᵃ)ᵇ = xᵃᵇ
xᵃ * xᵇ = x⁽ᵃ ⁺ ᵇ⁾
xᵃ/xᵇ = x⁽ᵃ ⁻ ᵇ⁾
It is given that (9^3)^3
To find the correct option
(9^3)^3 can be written as, (9³)³
By using above identities,
(9³)³ = 9³ ˣ³
= 9⁹
Therefore the correct answer is option C). 9^9
19. Simplify 3√ 2 – √ 2 .
A. 4√ 2
B. 2√ 2
C. √ 2
D. 3√ 2
Answer: OPTION B
Step-by-step explanation:
You need to remember that, to subtract radicals, the indices and the radicands must be the same.
Given the expression [tex]3\sqrt{2}-\sqrt{2}[/tex], you can identify that both have index 2 and the radicands are 2 (The numbers that are inside of radicals), therefore, you can conclude that the subtraction can be made.
Then, you must subtract the terms in front of the radicals. Therefore, you get:
[tex]3\sqrt{2}-\sqrt{2}=2\sqrt{2}[/tex]
You can observe that this matches with the option B.
Answer:
The correct answer is option B. 2√ 2
Step-by-step explanation:
It is given that, 3√ 2 – √ 2
To find the correct option
3√ 2 – √ 2 can be written as,
3√ 2 – √ 2 = √ 2 (3 - 1) taking √ 2 as common
= √ 2 * 2
= 2√ 2
Therefore the correct answer is 2√ 2 .
The correct option is option b. 2√ 2
Please help me with this
Answer:
see explanation
Step-by-step explanation:
Corresponding angles are associated with parallel lines
L and M would have to be parallel but not so cannot name a corresponding angle.
If they were parallel then ∠7 would correspond to ∠3
Solve the given initial-value problem. the de is of the form dy dx = f(ax + by + c), which is given in (5) of section 2.5. dy dx = cos(x + y), y(0) = π 2
[tex]\dfrac{\mathrm dy}{\mathrm dx}=\cos(x+y)[/tex]
Let [tex]v=x+y[/tex], so that [tex]\dfrac{\mathrm dv}{\mathrm dx}-1=\dfrac{\mathrm dy}{\mathrm dx}[/tex]:
[tex]\dfrac{\mathrm dv}{\mathrm dx}=\cos v+1[/tex]
Now the ODE is separable, and we have
[tex]\dfrac{\mathrm dv}{1+\cos v}=\mathrm dx[/tex]
Integrating both sides gives
[tex]\displaystyle\int\frac{\mathrm dv}{1+\cos v}=\int\mathrm dx[/tex]
For the integral on the left, rewrite the integrand as
[tex]\dfrac1{1+\cos v}\cdot\dfrac{1-\cos v}{1-\cos v}=\dfrac{1-\cos v}{1-\cos^2v}=\csc^2v-\csc v\cot v[/tex]
Then
[tex]\displaystyle\int\frac{\mathrm dv}{1+\cos v}=-\cot v+\csc v+C[/tex]
and so
[tex]\csc v-\cot v=x+C[/tex]
[tex]\csc(x+y)-\cot(x+y)=x+C[/tex]
Given that [tex]y(0)=\dfrac\pi2[/tex], we find
[tex]\csc\left(0+\dfrac\pi2\right)-\cot\left(0+\dfrac\pi2\right)=0+C\implies C=1[/tex]
so that the particular solution to this IVP is
[tex]\csc(x+y)-\cot(x+y)=x+1[/tex]
The asymptote of the function f(x) = 3^x + 1 – 2 is ______. Its y-intercept is _____.
x+1 is the exponent.
Answer:
Y-intercept;
(0, 1)
Asymptote;
Horizontal asymptote: y = -2
Step-by-step explanation:
We have been given the following exponential function;
[tex]f(x) = 3^{x+1}-2[/tex]
The y-intercept of a function is the point where the graph of the function intersects the y-axis. At this point, the value of x is usually 0. Therefore, to establish the y-intercept of the given function we substitute x with 0 in the given equation and simplify;
[tex]y=3^{0+1}-2\\ \\y=3-2=1[/tex]
The y-intercept of the given function is thus (0, 1).
Exponential function of the form;
[tex]f(x)=c.n^{ax+b}+k[/tex]
has a horizontal asymptote y = k. In the function given, k = -2 implying that
y = -2 is a horizontal asymptote of the given exponential function
Identify the graph of the equation (x−2)^2+(y+5)^2=4.
Answer:
The second photo.
Step-by-step explanation:
If you use a graphing calculator, you can easily find the answer.
Answer:
see below
Step-by-step explanation:
Comparing the given equation to the standard-form equation of a circle ...
(x -h)^2 +(y -k)^2 = r^2 . . . . . circle centered at (h, k) with radius r
we find that ...
h = 2, k = -5, r = 2
So, the circle you're looking for is centered at (2, -5) and has a radius of 2.
Please help me with this math problem on i-ready
Answer:
its the second one
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
the answer is B, is this a lesson or a quiz?
If each stack of coins has the same height, which stack of coins has the greatest volume? A) the uniform stack B) the irregular stack C) cannot be determined D) they have the same volume
Answer:
The correct option is D
Step-by-step explanation:
The correct option is D.
They both have the same height, assuming that each coin has same volume, then how can coins in 1 stack have different volume than coins in another stack no matter how you stack them.
Like two cylinders with same base area and height have same volume. Like wise rectangle and parallelogram with same base and same perpendicular height having same area....
D) they have the same volume
Please help me out with this
Answer:
10.4 cm
Step-by-step explanation:
The volume (V) of a pyramid is calculated using
V = [tex]\frac{1}{3}[/tex] area of base × height (h)
area of square base = 6² = 36, thus
[tex]\frac{1}{3}[/tex] × 36h = 120
12h = 120 ( divide both sides by 12 )
h = 10 cm
To find the slant height (s) consider the right triangle from the vertex to the midpoint of the base and from the midpoint of base to the side.
That is a right triangle with hypotenuse s and legs 10(h) and 3 (midpoint of the base )
Using Pythagoras' identity then
s² = 10² + 3² = 100 + 9 = 109
Take the square root of both sides
s = [tex]\sqrt{109}[/tex] ≈ 10.4 cm
plz helpp FASTT
Find the area of triangle ABC with vertices A(2, 3), B(1, -3), and C(-3, 1).
a.
10 units2
c.
14 units2
b.
12 units2
d.
16 units2
The area of the triangle will be 14 square units. Then the correct option is C.
What is the triangle?The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.
The triangle ABC with vertices A(2, 3), B(1, -3), and C(-3, 1).
Then the area of the triangle is given as,
A = 1/2 | {[2 x (-3) + 1 x 1 + (-3) x 3] - [3 x 1 + (-3) x (-3) + 2 x 1]} |
A = 1/2 | {[-6 + 1 - 9] - [3 + 9 + 2]} |
A = 1/2 | {-14 - 14} |
A = 1/2 x 28
A = 14 square units
The area of the triangle will be 14 square units. Then the correct option is C.
More about the triangle link is given below.
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Which of the following polynomials is the expansion of (x - y)4? x4 - x3y + x2y2 - 2xy3 + y4 x4 -2x3y3 + y4 x4 - 2x3y + x 2y 2 - xy3 - y4 x4 - xy + y4
Answer:
[tex](x-y)^4=x^4-x^3y+6x^2y^2-4xy^3+y^4[/tex].
Step-by-step explanation:
We want to find the polynomial that will result from expanding:
[tex](x-y)^4[/tex].
Recall that we can use the Pascal's triangle to obtain the coefficient as:
1 4 6 4 1
Also note how the negative sign is going to alternate.
The power of x will decrease from left to right while the power of y increases from left to right
The expansion then becomes:
[tex](x-y)^4=x^4-x^3y+6x^2y^2-4xy^3+y^4[/tex].
Answer:
The Answer is A!!!!
Step-by-step explanation:
question 65 true or false
Answer:
True
Step-by-step explanation:
we know that
sin(90°)=1
sin(270°)=-1
sin(-90°)=-sin(90°)=-1
sin(-90°)=sin(270°)
therefore
For sin(x)=-1
the values of x are x=-90° and x=270° ------> is true
Please help me with this
Answer:
7, 5
Step-by-step explanation:
_________________________________________________
Answer:
7 and 5
Step-by-step explanation:
So we can start with 1 and 4. We can see they added 3 to 1. Ok, that's the first part.
Then, they took 4 and subtracted 2. We can see they subtracted 2. Ok, that's the second part.
We can see they keep doing this:
Add 3, subtract 2. Add 3, subtract 2. and so on, until we get to 4. They just subtracted 2, so we can add 3. So, our first unknown number would be 7. We can then subtract 2, making the second unknown number 5.
Hope I helped, soz if I'm wrong ouo.
~Potato.
Copyright Potato 2019.
Please answer this multiple choice question CORRECTLY for 30 points and brainliest!!
Answer:
C. 6 kg
Step-by-step explanation:
Let m represent the mass of plates on one side of the barbell. Then the total weight of the barbell is ...
2m +24 = 60 . . . . . kilograms
m +12 = 30 . . . . . . . divide by 2
m = 18 . . . . . . . . . . . subtract 12
The mass of plates on one side of the barbell must total 18 kg. If they all have the same mass, then that must be a divisor of 18. In whole numbers, that would include plates of mass 1, 2, 3, 6, 9, 18 kg.
The only one of these on your list of answer choices is ...
6 kg
Which of the following situations cannot be modeled with the equation 5x – 15y = 335? A. Randy earns $5 for each hour he works at his job, and spends $15 each time he goes out to dinner. He has $335 at the end of the week. B. A hamburger sells for $5 but costs $0.15 to make, giving a net income of $3.35. C. Ruby is paid for the 5 sales she made but docked for the 15 sales she missed for a net income of $335. D. Tommy earned points for 5 correct answers on a standardized test, but was docked for 15 incorrect answers for a point total of 335.
Answer:
B. A hamburger sells for $5 but costs $0.15 to make, giving a net income of $3.35.
Step-by-step explanation:
It's the right answer, for many wrong reasons:
- The units aren't the same... since the 5 is expressed in dollars and the the costs would be expressed in cents.
- There could only have one production cost per burger... so it's not a second variable.
- Of course, the calculation in the statement is also wrong ($5.00 - $0.15 doesn't equal $3.35)
So, for all these three reasons, that statement cannot be expressed in the given equation.
A bowl in the shape of a hemisphere has a volume of 18π cubic inches. What is the radius of the bowl
For this case we have by definition, that a hemisphere represents half of a sphere.
Its volume is given by:
[tex]V = \frac {2} {3} \pi * r ^ 3[/tex]
Where "r" represents the radius.
Substituting the data and clearing the radio we have:
[tex]\frac {2} {3} \pi * r ^ 3 = 18 \pi\\\frac {2} {3} * r ^ 3 = 18\\r ^ 3 = 18 * \frac {3} {2}\\r ^ 3 = 27\\r = \sqrt [3] {27}\\r = 3[/tex]
Thus, the radius of the hemisphere is 3 inches.
Answer:
[tex]3 \ in[/tex]
Answer: these nats
Step-by-step explanation:verry carefully
For the inverse variation equation xy = k, what is the value of x when y = 4 and k = 7?
4/7
7/4
3
28
7,4 is the answer to the question
Answer:
[tex]x=7/4[/tex]
Step-by-step explanation:
the equation is:
[tex]xy=k[/tex]
To find the value of [tex]x[/tex], we need to substitute the values that we know for [tex]y[/tex] and [tex]k[/tex]:
[tex]y=4[/tex]
and
[tex]k=7[/tex]
so, we substitute this values into the equation
[tex]xy=k[/tex]
[tex]x(4)=7[/tex]
and we clear for [tex]x[/tex], for this we move the 4 to the right dividing:
[tex]x=7/4[/tex]
Will give brainliest!!
The following function represents the production cost f(x), in dollars, for x number of units produced by company 1:
f(x) = 0.15x2 − 6x + 400
The following table represents the production cost g(x), in dollars, for x number of units produced by company 2:
x g(x)
50 75
60 60
70 55
80 60
90 75
Based on the given information, the minimum production cost for company _____ is greater.
[Put 1 or 2 in the blank space]
Numerical Answers Expected!
Answer for Blank 1:
Answer:
1
Step-by-step explanation:
The production cost of company 1 never gets below 340 (at x=20), found e.g., by equating the derived function to 0.
You can figure out that g(x) = 0.05x^2 -7x + 300, but you already know that company 1 has higher cost based on the example values for g(x).
Answer:
Hi!
The answer is:
Based on the given information, the minimum production cost for company __1__ is greater.
Step-by-step explanation:
You have to find the minimum value of a f(x), so you need to differentiate it, set it to zero and solve for x. Then differentiate the function again and calculate the value of the second derivative at the maximum or minimum points to find out whether it is a maximum or a minimum.
If the result is negative -> maximum point.If the result is positive -> minimum point. If it is zero it can be a maximum, minimum or inflexion point.[tex]f(x) = 0.15x^2 - 6x + 400[/tex]
[tex]\frac{df}{dx}=2 * 0.15x - 6 = 0.30x - 6 [/tex] First derivative.
[tex][tex]\frac{d^2f}{dx^2} = 2 [/tex][/tex] Second derivative. Confirm it's a minimum point.
Minimum occurs at:
0.30x − 6 = 0
0.30x = 6
x = 6/0.30
x = 20
Replace x on equation f(x):
f(20) = 0.15 * 20² - 6 * 20 + 400 = 340.
For g(x), the value of minimum cost is:
g(70) = 55.
Triangle DEF is congruent to D'EF' by the SSS theorem. Which single rigid transformation is required to map DEF onto D'EF'? dilation reflection rotation translation
Answer: rotation
Step-by-step explanation:
Rotation is required to map DEF onto D'EF'
What is Rotation?Each point in a figure is transformed into a rotation by rotating it a specific amount of degrees around another point.
Rotation exists as the operation or act of turning or circling something.
Rotation exists in the circular movement of an object around an axis of rotation. A three-dimensional object may include an infinite numeral of rotation axes.
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Many areas of Northern California depend on the snowpack of the Sierra Nevada Mountains for their water supply. If 300 cubic centimeters of snow will melt to 33 cubic centimeters of water, how much water does 600 cubic centimeters of snow produce?
16.5 cubic centimeters
66 cubic centimeters
72.6 cubic centimeters
5454 cubic centimeters
Answer:
Option B is correct.
Step-by-step explanation:
300 cm^3 of snow melts into 33 cm^3 water. We need to find how much water is produced if 600 cm^3 of snow is melt.
Solving using unitary method:
300 cm^3 of snow melts into water = 33 cm^3
1 cm^3 of snow melts into water = 33/300
600 cm^3 of snow melts into water = 33/300 *600
= 66 cm^3
So, Option B is correct.
I NEED HELP ME PLEASE!!
Answer:
1. The correct answer option is B.
2. The correct answer option is C.
4. The correct answer option is D.
Step-by-step explanation:
1. [tex]\frac{3}{x^2+14x+48}[/tex] ÷ [tex]\frac{3}{10x+60}[/tex]
Changing division to multiplication by taking the reciprocal of the latter fraction:
[tex]\frac{3}{x^2+14x+48} \times \frac{10x+60}{3}[/tex]
[tex]\frac{3}{(x+6)(x+8)} \times \frac{10(x+6)}{3}[/tex]
Cancelling the like terms to get:
[tex]\frac{10}{(x+8)}[/tex]
The correct answer option is B. [tex]\frac{10}{(x+8)}[/tex]
2. [tex]\frac{4x^2+36}{4x} \times \frac{1}{5x}[/tex]
Factorizing the terms and then cancelling the like terms to get:
[tex]\frac{4(x^2+9)}{4x} \times \frac{1}{5x}[/tex]
[tex]\frac{x^2+9}{5x^2}[/tex]
The correct answer option is C. [tex]\frac{x^2+9}{5x^2}[/tex].
4. [tex]\frac{\frac{4t^2-16}{8} }{\frac{t-2}{6} }[/tex]
Changing division to multiplication by taking the reciprocal of the latter fraction:
[tex]\frac{4t^2-16}{8} \times \frac{6}{t-2}[/tex]
[tex]\frac{4(t-2)(t+2)}{8} \times \frac{6}{t-2}[/tex]
Cancelling the like terms to get:
[tex]3(t+2)[/tex]
The correct answer option is D. [tex]3(t+2)[/tex].
Help! If you know this can you tell me how to do it?
Answer:
c
Step-by-step explanation:
Here's how this works:
Get everything together into one fraction by finding the LCD and doing the math. The LCD is sin(x) cos(x). Multiplying that in to each term looks like this:
[tex][sin(x)cos(x)]\frac{sin(x)}{cos(x)}+[sin(x)cos(x)]\frac{cos(x)}{sin(x)} =?[/tex]
In the first term, the cos(x)'s cancel out, and in the second term the sin(x)'s cancel out, leaving:
[tex]\frac{sin^2(x)}{sin(x)cos(x)}+\frac{cos^2(x)}{sin(x)cos(x)}=?[/tex]
Put everything over the common denominator now:
[tex]\frac{sin^2(x)+cos^2(x)}{sin(x)cos(x)}=?[/tex]
Since [tex]sin^2(x)+cos^2(x)=1[/tex], we will make that substitution:
[tex]\frac{1}{sin(x)cos(x)}[/tex]
We could separate that fraction into 2:
[tex]\frac{1}{sin(x)}[/tex]×[tex]\frac{1}{cos(x)}[/tex]
[tex]\frac{1}{sin(x)}=csc(x)[/tex] and [tex]\frac{1}{cos(x)}=sec(x)[/tex]
Therefore, the simplification is
sec(x)csc(x)
Use the data set below to find each of the following.
6, 13, 14, 18, 19, 29, 35, 44, 53, 55, 71, 84, 93
Minimum: _____
First quartile: _____
Median: _____
Third quartile: _____
Maximum: _____
Interquartile range: _____
Minimum: 35
First quartile: 6, 13, 14, 18, 19, 29 (avg. is 16.5)
Median: ≈41.08 (41.0769230769)
Third quartile: 44, 53, 55, 71, 84, 93 (avg. is 66.67)
Maximum: 93
Interquartile range: 50.17
Final answer:
The minimum is 6, the first quartile is 16, the median is 29, the third quartile is 54, the maximum is 93, and the interquartile range is 38.
Explanation:
To find the minimum, first quartile (Q1), median, third quartile (Q3), maximum, and interquartile range (IQR) of the given data set, we first need to organize the data in ascending order, which is already done. Then, we apply the appropriate statistical methods to determine each required value.
Minimum: The smallest number in the data set, which is 6.First Quartile (Q1): This is the median of the first half of the data set. With 13 numbers, the first half is the first 6 numbers. The median of 6, 13, 14, 18, 19, 29 is the average of 14 and 18, so Q1 is (14+18)/2 = 16.Median: The middle number when the data is in order. Since there are 13 numbers, the 7th number is the median, which is 29.Third Quartile (Q3): The median of the second half of the data set. The second half is the last 6 numbers. The median of 35, 44, 53, 55, 71, 84 is the average of 53 and 55, so Q3 is (53+55)/2 = 54.Maximum: The largest number in the data set, which is 93.Interquartile Range (IQR): The range between the first and third quartiles, which is Q3 - Q1, so the IQR is 54 - 16 = 38.christian is going to paint the wall underneath his staircase . how many square feet will he need to paint
To express the given information in a linear equation, the setup time and hourly rate per square foot should be considered in the equation y = 4 + (1/1000)x.
Explanation:To express the information in a linear equation:
Setup time is 4 hours, so it's a constant term.For the painting job, 1 hour per 1,000 square feet is required, so the coefficient of square feet is 1/1000.Therefore, the linear equation would be: y = 4 + (1/1000)x, where y is the total time in hours and x is the total square footage.Choose the TWO factored binominals for the expression: x2+6x – 27 Question 6 options: A) (x - 3) B) (x - 9) C) (x + 6) D) (x + 9) E) (x + 3)
Answer:
A) x-3 and D) x+9
Step-by-step explanation:
x^2 + 6x - 27
You need to find two numbers that multiply to -27 and add up to 6
Those two numbers are -3 and 9, because 9 * -3 = -27 and 9+ -3 = 6
So you add those to x and those are your two factored binomials
(x-3) and (x+9)
Your new dresser will be 2/5ths larger than your old dresser. Your old dresser can hold 6.25 cubic feet, how much cubic feet will the new dresser hold ?
Answer:
8.75 cubic feet
Step-by-step explanation:
Your new dresser will be [tex]\frac{2}{5}^{ths}[/tex] larger than your old dresser.
This means that your new dresser wil be
[tex]1+\dfrac{2}{5}=\dfrac{5+2}{5}=\dfrac{7}{5}[/tex]
of your old dresser.
Your old dresser can hold 6.25 cubic feet, so your new dresser can hold
[tex]\dfrac{7}{5}\cdot 6.25=7\cdot 1.25=8.75\ ft^3[/tex]
Final answer:
To find the volume of the new dresser, find 2/5ths of the old dresser's volume (6.25 cubic feet) and add it to the original volume, resulting in a new dresser's volume of 8.75 cubic feet.
Explanation:
To calculate the volume of the new dresser, which will be 2/5ths larger than the old dresser, we will first determine what 2/5ths of the old dresser's volume is, and then add that to the original volume. The old dresser has a volume of 6.25 cubic feet.
Calculate 2/5ths of 6.25 cubic feet: (2/5) × 6.25 = 2.5 cubic feet
Add the additional volume to the original volume to get the new dresser's volume: 6.25 + 2.5 = 8.75 cubic feet
So, the new dresser will hold 8.75 cubic feet of items.
true or false: b) If a line contains a center of a circle, it is a secant of the circle. (c If 2 chords intersect a circle, they intercept equal arcs. d) If a line is perpendicular to a diameter at one of its endpoints, then it is tangent to the circle. e) Inscribed angle that intercept equal arcs are equal.
Answer:
b) true
c) false
d) true
e) true
Step-by-step explanation:
b) Any line that contains an interior point of a circle is a secant of the circle. The center is an interior point, so a line that contains the circle center is a secant.
__
c) Chords of different lengths intercept arcs of different measures
__
d) Any line perpendicular to a radius at the point where the radius meets the circle is a tangent to the circle. The endpoint of a diameter is the endpoint of a radius, so a line perpendicular there will be a tangent.
__
e) The measure of an inscribed angle is half the measure of the intercepted arc, so all inscribed angles that intercept equal arcs are equal.
The statement 'If a line contains the center of a circle, it is a secant of the circle.' is true. The statement 'If 2 chords intersect a circle, they intercept equal arcs.' is false. Statements 'If a line is perpendicular to a diameter at one of its endpoints, then it is tangent to the circle.' and 'Inscribed angle that intercept equal arcs are equal.' are both true.
Explanation:b) True. If a line contains the center of a circle, it does pass through the circle at two points, therefore it's a secant of the circle.
c) False. Two chords intersecting inside a circle do not always intercept equal arcs. The length of the arcs they intercept depends on their distance from the center of the circle, not on the mere fact that they intersect.
d) True. If a line is perpendicular to a diameter at one of its endpoints, it does indeed result in a tangent to the circle. This is because the line touches the circle at exactly one point (the endpoint), fulfilling the definition of a tangent line.
e) True. Inscribed angles that intercept (cut off) equal arcs are indeed equal. This is a basic theorem in circle geometry.
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There is a ratio of 5 girls to 3 boys in the chour there are 24 boys in the chours how many girls are in the chours
Answer:
I believe it would be 40
Step-by-step explanation:
5:3 = x:24
3 times 8 = 24
5 times 8 = 40
There are 40 girls in the chorus.
A vintage guitar is being auctioned. The graph below traces the prices quoted by bidders at different time intervals, measured in minutes, since the auction began.
Which statement is true about the graph?
A. The average rate of change is greater for interval D than for interval E because the line is increasing more quickly at interval D than at interval E.
B. The average rate of change is greater for interval C than for interval B because the line is increasing more slowly at interval C than at interval B.
C. The average rate of change is greater for interval A than for interval B because the line is increasing more slowly at interval A than at interval B.
D. The average rate of change is greater for interval D than for interval C because the line is increasing more quickly at interval D than at interval C.
Answer:
d. :)
Step-by-step explanation:
Answer:
D. The average rate of change is greater for interval D than for interval C because the line is increasing more quickly at interval D than at interval C.
Step-by-step explanation:
The difference between C and D interval is the lowest.
This means that line is increasing more quickly at interval D as compared to others.
Therefore, option D is the right answer.
Please help me with this
Answer:
100 in²
Step-by-step explanation:
Since the figures are similar
the linear ratio of sides = a : b , then
ratio of areas = a² : b²
ratio of sides = 15 : 21 = 5 : 7
ratio of areas = 5² : 7² = 25 : 49
let the area of the smaller figure be x then by proportion
[tex]\frac{25}{x}[/tex] = [tex]\frac{49}{196}[/tex] ( cross- multiply )
49x = 4900 ( divide both sides by 49 )
x = 100
Area of smaller figure is 100 in²