Answer:
cos(A)Step-by-step explanation:
For angle A we have
opposite = 8
adjacent = 6
hypotenuse = 10
sin A = opposite/hypotenuse
cos A = adjacent/hypotenuse
tan A = opposite/adjacent
cot A = adjacent/opposite
6/10 = adjacent/hypotenuse = cos A
The trigonometric function of the triangle is given by cos A = 6/10
What are trigonometric relations?Trigonometry is the study of the relationships between the angles and the lengths of the sides of triangles
The six trigonometric functions are sin , cos , tan , cosec , sec and cot
Let the angle be θ , such that
sin θ = opposite / hypotenuse
cos θ = adjacent / hypotenuse
tan θ = opposite / adjacent
tan θ = sin θ / cos θ
cosec θ = 1/sin θ
sec θ = 1/cos θ
cot θ = 1/tan θ
Given data ,
Let the triangle be represented as ΔABC
where the measure of ∠ABC = 90°
Now , from the trigonometric relations ,
cos θ = adjacent / hypotenuse
So , on simplifying , we get
The measure of BC = 6 units
The measure of AB = 8 units
The measure of AC = 10 units
cos A = 6 / 10
Hence , the measure of cos A of triangle is cos A = 6 / 10
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Please help me thank you
Answer:
option C Only second equation is an identity is correct.
Step-by-step explanation:
1)
[tex]1 +\frac{cos^2\theta}{cot^2\theta(1-sin^2\theta)}= 9 sec^2\theta[/tex]
We need to prove this identity.
We know:
[tex]cos^2\theta + sin^2\theta = 1\\=> cos^2\theta = 1- sin^2\theta[/tex]
and
[tex]\frac{1}{cot^2\theta } = tan^2\theta \\and\\tan^2\theta = \frac{sin^2\theta}{cos^2\theta}[/tex]
Using these to solve the identity
[tex]1 +\frac{cos^2\theta}{cot^2\theta(cos^2\theta)}= 9 sec^2\theta\\1 +\frac{1}{cot^2\theta} = 9 sec^2\theta\\1+tan^2\theta = 9 sec^2\theta\\1+\frac{sin^2\theta}{cos^2\theta} = 9sec^2\theta\\\\\frac{cos^2\theta+sin^2\theta}{cos^2\theta} = 9sec^2\theta\\\frac{1}{cos^2\theta}=9sec^2\theta \\sec^2\theta \neq 9sec^2\theta[/tex]
So, this is not an identity.
2)
[tex]20sin\theta(\frac{1}{sin\theta} -\frac{cot\theta}{sec\theta}) =20sin^2\theta\\[/tex]
We need to prove this identity.
We know:
[tex]cot\theta = \frac{cos\theta}{sin\theta} \\and \\sec\theta=\frac{1}{cos\theta} \\so,\,\, \frac{cot\theta}{sec\theta}= \frac{\frac{cos\theta}{sin\theta}}{\frac{1}{cos\theta}} \\Solving\\ \frac{cot\theta}{sec\theta} =\frac{cos^2\theta}{sin\theta}[/tex]
Using this to solve the identity
[tex]20sin\theta(\frac{1}{sin\theta} -\frac{cot\theta}{sec\theta}) =20sin^2\theta\\\\Putting\,\,values\,\,\\ 20sin\theta(\frac{1}{sin\theta} -\frac{cos^2\theta}{sin\theta}) =20sin^2\theta\\ 20sin\theta(\frac{1-cos^2\theta}{sin\theta}) =20sin^2\theta\\1-cos^2\theta = sin^2\theta\\ 20sin\theta(\frac{sin^2\theta}{sin\theta}) =20sin^2\theta\\Cancelling\,\, sin\theta \,\,over \,\,sin\theta\\20sin^2\theta=20sin^2\theta[/tex]
So, this is an identity.
So, option C Only second equation is an identity is correct.
What is 500 to s cond power
500 To The Second Power Is 250,000
You Just Have To Multiply 500 By 500
Answer:200^2=250,000
Step-by-step explanation:
An equilateral triangle has a perimeter of 15x3 + 33x5 feet. What is the length of each side?
Answer:
70
Step-by-step explanation:
15 x 3 = 45
33 x 5 = 165
165 + 45 = 210
210/3 = 70
Answer:
70 feet
Step-by-step explanation:
15×3= 45 33×5=165
45+165=210
As it is an equilateral triangle, 210÷3= 70
So each side is 70 feet long
Write a verbal expression for 2n + 7
Answer:
Two times a number plus seven
Step-by-step explanation:
For this case we must give a verbal description for the following expression:
[tex]2n + 7[/tex]
Let "n" be the variable that represents an unknown number. Now we have that the expression is described as:
Twice a number plus seven.
Answer:
Twice a number plus seven.
The coordinates of the vertices of a triangle are (3,6),(5,0),and (0,0) what is the area of the triangle?
Answer:
9 units squared
Step-by-step explanation:
There are 6 units going up from the origin, and 3 units going right.
Do 6 x 3 = 18
18 divided by 2 because area for triangles is length x width divided by 2.
18 divided by 2 = 9
add units of measurements
Blank is a measure of how heavy a object is
Answer:
Weight.
Step-by-step explanation:
A weight is a measure of the pull of gravity on an object. This is the correct answer to this question.
Hope this helps!!!
Kyle.
Weight is a measure of the gravitational force on an object and varies by location, expressed in units like pounds or kilograms, while mass is the total quantity of matter in an object and is constant regardless of location.
Weight is a measure of how heavy an object is. When someone refers to how heavy something feels, such as an imaginary object causing a person to bend over due to its heaviness, they are describing the object's weight. Weight is determined by the force of gravity acting on the mass of the object and varies depending on where the object is located. It is commonly expressed in pounds and ounces, kilograms and grams, or tons.
On the other hand, mass is a measure of the total quantity of matter an object contains. It is an intrinsic property of the object and does not change regardless of its location—whether it's on Earth, in orbit, or on the Moon. Mass is commonly measured in kilograms or grams.
For example, when determining what unit of measurement to use to weigh a large dog, we would choose a unit of weight, such as pounds or kilograms. It is important to remember that volume is different from both mass and weight. Volume measures the amount of physical space an object occupies and is not the same as weight.
Simplify the expression -2(p+4)
Answer: [tex]-2p-8[/tex]
Step-by-step explanation:
You need to remember the Distributive property:
[tex]a(c+b)=ac+ab[/tex]
And the multiplication of signs:
[tex](+)(+)=+\\(-)(-)=+\\(+)(-)=-[/tex]
Therefore, applying the explained before, to simplify the expression [tex]-2(p+4)[/tex] you need to multiply each term that are inside of the parentheses by -2, then you get:
[tex]-2(p+4)\\(-2)(p)+(-2)(4)\\-2p-8[/tex]
A Japanese garden has a circular koi pond in the middle that has a radius of 3 feet.
What is the area of the Japanese garden around the koi pond? Use 3.14 for pi
195.74 ft2
224.00 ft2
252.26 ft2
337.04 ft2
Answer:
b
Step-by-step explanation:
Answer: The answer to your question is B. 224.00 ft2
Step-by-step explanation:
given the parent function g(x)=log2(x), what is the equation of the function shown in the graph ?
The equation of the function shown in the graph is f(x) = log₂(x + 4) - 1
How to determine the equation of the function shown in the graph
From the question, we have the following parameters that can be used in our computation:
The graph
Where, we have
g(x) = log₂(x)
First, the function is shifted to the left by 4 units
So, we have
g(x) = log₂(x + 4)
Next, the function is shifted down by 1 unit
So, we have
f(x) = log₂(x + 4) - 1
Hence, the equation of the function shown in the graph is f(x) = log₂(x + 4) - 1
a quadrilateral PQRS is inscribed in a circle as shown below: what is the measure of the angle Q
Answer:
120.
Step-by-step explanation:
2x+4x=180
(2x+4x)=180
6x=180
6x÷6 = 180÷6
x=30.
Then, Substitute for measurement of angle Q
4*30=120.
Angle Q measures 120 degrees.What is the area of the composite figure?
A) 70 cm^2
B) 100 cm^2
C) 105 cm^2
D) 130 cm^2
5 • 14 = 70
5 • 12 • 1/2 = 30
30 + 70 = 100
The answer is 100.
Hope this helps!
If it does then I would appreciate it if you could make me brainliest.
The functions f(x) and g(x) are shown on the graph.
f(x)=x^2
What is g(x)?
A. g(x)=(-x)^2+3
B. g(x)=-x^-3
C. g(x)=(-x)^2-3
D. g(x)=-x^2+3
B bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
Answer:
The correct is B) [tex]g(x)=- x^{2}-3[/tex]
Step-by-step explanation:
In provided graph f(x) is x² which is equation of parabola
this is shown by blue graph
we need to find the equation of red graph which is denoted by g(x)
It can be seen from graph that g(x) is downward so, in this equation coefficient must be in negative.
In part A) [tex]g(x)= (-x)^{2}+3[/tex]
so, [tex]g(x)= x^{2}+3[/tex]
here is not negative coefficient
In part B) [tex]g(x)=- x^{2}-3[/tex]
here is negative coefficient
This shows downward direction of parabola.
and negative 3 shows the shifting of parabola downward by 3 units.
Hence, this condition matches only option B)[tex]g(x)=- x^{2}-3[/tex]
In part C) [tex]g(x)=(-x)^{2}-3[/tex]
so, [tex]g(x)= x^{2}-3[/tex]
here is not negative coefficient
In part D) [tex]g(x)=-x^{2}+3[/tex]
since, here is negative coefficient
This shows downward direction of parabola.
and positive 3 shows the shifting of parabola upward by 3 units.
So, the correct is B) [tex]g(x)=- x^{2}-3[/tex]
Find the quadratic equation whose solutions have a sum of 3/4 and a product of 1/8. To start, you will need to find the values of the coefficient a, b, and c. Then show that equation works by solving the equation, followed by checking that the solutions have the indicated sum and product. Your final equation should have coefficients that are integers, with no common factors between them all (other than 1). Please please please help me!!!
Answer:
The equation is [tex]8x^2 -6x+1=0[/tex]
Step-by-step explanation:
We need to find the quadratic equation which is in the form:
[tex]ax^2 + bx + c = 0[/tex]
We are given sum S = 3/4 and Product P = 1/8
The quadratic equation in terms of sum and products can be written as:
[tex]x^2 - Sx + P =0[/tex]
Where S is sum and P is product. Putting their values we get:
[tex]x^2-\frac{3}{4}x+\frac{1}{8}=0[/tex]
The co-efficient should be integer so, taking LCM of 4 and 8
[tex]\frac{8x^2 -6x+1}{8} =0\\Dividing\,\,both\,\,sides\,\,by\,\,8\\8x^2 -6x+1=0[/tex]
So,
Co-efficient are: a = 8 , b = -6 and c= 1
Solving the equation:
[tex]8x^2 -6x+1=0\\8x^2 -2x -4x+1=0\\8x(x-1/4)-4(x-1/4) =0\\(x-1/4)(8x-4)=0\\x-1/4 =0\,\, and\,\, 8x-4 =0\\x = 1/4\,\, and x \,\,= 4/8 = 1/2[/tex]
So values of x are 1/4 and 1/2
Sum: 1/4+1/2 = 1+2/4 = 3/4
Product: 1/4 * 1/2 = 1/8
tan 12degrees = 10/x
find the value of x.
Answer:
[tex]x=47.0[/tex]
Step-by-step explanation:
We are given:
[tex]tan12=\frac{10}{x}[/tex]
We need to multiply by x and divide by tan12 in order to isolate x
[tex]tan12=\frac{10}{x} \\\\xtan12=10\\\\x=\frac{10}{tan12} \\\\x=47.046\\\\x=47.0[/tex]
Sheree drew this model of a tent. It is in the shape of a triangular prism. How many square inches of fabric are needed to make this model tent?
144 square inches
240 square inches
264 square inches
274 square inches
Answer:
Step-by-step explanation:
144
The fabric required to make the model tent should be 144 squared inches.
What is perfect square?When you multiply an integer (a “whole” number, positive, negative or zero) times itself, the resulting product is called a square number, or a perfect square or simply “a square.”
As the shape of tent is is triangular prism.
As the fabric needed to make the model tent is in square inches.
So, the number should be a perfect square of any number to make the tent.
We have, 144 which is the perfect square of 12.
Hence, the fabric required to make the model tent should be 144 squared inches.
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Find x and h in this trinomial right angle
Answer:
Step-by-step explanation:
Set up the Pythagorean Equation for the two triangles
x^2 + h^2 = 4^2 = 16
(x + 6)^2 + h^2 = 8^2 = 64
x^2 + h^2 = 16 Subtract. That will get rid of h^2
(x + 6)^2 - x^2 = 64 - 16 Expand the brackets. combine the right.
x^2 + 12x+36 - x^2 = 48 Combine
12x + 36 = 48 Subtract 36 from both sides
12x +36 -36 = 48-36 Combine
12x = 12 Divide by 12
12x/12 = 12/12
x = 1
==================
x^2 + h^2 = 4^2
1^2 + h^2 = 16
h^2 = 15
h = sqrt(15)
Match the vocabulary word to its correct definition.
1. absolute value
2. continuous function
3. step function
4. piecewise-defined function
function whose graph consists of horizontal line segments
function defined on different intervals by different domain rules
function whose graph has no breaks
function whose output equals input for non-negative numbers, and whose output is the opposite of a negative input
Answer:
1. Absolute value: function whose output equals input for non-negative numbers, and whose output is the opposite of a negative input
2. Continuous function: function whose graph has no breaks
3. Step function: function whose graph consists of horizontal line segments
4. Piecewise-defined function: function defined on different intervals by different domain rules
Step-by-step explanation:
Answer:
Step-by-step explanation:Absolute value: function whose output equals input for non-negative numbers, and whose output is the opposite of a negative input
2. Continuous function: function whose graph has no breaks
3. Step function: function whose graph consists of horizontal line segments
4. Piecewise-defined function: function defined on different intervals by different domain rules
what is one clue that lets you know that a math problem requires you to do a two steps multi problem?
Answer:
If there are more than one thing on the x. Let me just show you because I can't really explain it very well, so I'm sorry.
Step-by-step explanation:
5x+23=10
23(x^2)+5=27
There is more than one thing acting on the x to get it into a number.
Final answer:
A two-step math problem typically requires performing two distinct mathematical operations in sequence, which is identified by reading through the problem and understanding that more than one operation must be applied to the known values.
Explanation:
One clue that indicates a math problem requires you to perform a two-step operation is if the problem presents two distinct mathematical operations that need to be carried out in sequence to find the solution. You might first have to add or subtract before you can multiply or divide, or vice versa. Here are some steps to identify and solve such problems:
Identify the unknowns: Determine what you need to find.
Locate the relevant equations to connect your knowns and unknowns.
Substitute the known values and perform the operations to solve the problem.
When tackling a problem, write down all known information, and don't overlook additional facts that can provide hints or necessary data. Adequately analyzing the problem in terms of the operations required and unit tracking will help in figuring out that a two-step process is needed. Lastly, ensure you're familiar with your calculator and use it properly for calculations.
Factor the following polynomial completely (y + 4)^2 -2(y+4) +1
Answer:
y²+6y+9
Step-by-step explanation:
Use FOIL(First, inner, outer, last) to distribute the (y+4)² to get to y²+8y+16. You will then distribute in -2(y+4) to get -2y-8. You will then combine like terms, adding in the +1, to get to your answer.
Answer:
so you start wi
Step-by-step explanation:
1. Evaluate.
7b, for b= 5
Answer:
35
Step-by-step explanation:
Since we know that 7 b is the equation and 5 is the value of b we can substitute b in 7 b.
b = 5
7 b = 7 × 5 = 35
Linear:slope = 60, y-intercept = 0
Linear:slope = 10, y-intercept =20
Linear :slope = 4, y-intercept = 0
A linear equation cannot be used
Answer:
A linear equation cannot be usedStep-by-step explanation:
If it's a linear, then
[tex]\dfrac{y_2-y_1}{x_2-x_1}=constant[/tex]
Substitute the values from the table:
[tex]\dfrac{70-60}{5-1}=\dfrac{10}{4}=2.5\\\\\dfrac{80-70}{20-5}=\dfrac{10}{15}=\dfrac{2}{3}[/tex]
[tex]2.5\neq\dfrac{2}{3}[/tex]
Use the distributive law to multiply4(4+6s)
Answer:
16+24s
Step-by-step explanation:
4(4+6s)
Distribute the 4
4*4 + 4*6s
16+24s
Answer:
4(4 + 6s)
(4 * 4) + (4 * 6s)
= 16 + 24s
(\) QueTooOfficial (/)officially out of brainly retirementa bucket has 18 liters of water in it when it is 3/8 full.How much can it hold
Answer:
6.75 or 27/4
Step-by-step explanation:
18 x 3/8 = Answer
if the bucket is only 3/8 full when holding 18 liters then it is 1/8 full when holding 6 liters. so just multiply 6 by 8 and you get 48 liters
if michelle rollerblades around a circular track with a radius of 40 meters, how far does she skate
Check the picture below.
Step-by-step explanation:
Circumference: 2πr
or 2×22/7×40
= 44/7×40
=251.4 m (approx.)
A 4-digit number ends in 3. If you put the number 3 in the first position, the number will decrease by 738. Find the original 4-digit number.
Answer:
4153
Step-by-step explanation:
Given:
A 4-digit number ends in 3
Let the number be xyz3
Also,
If you put the number 3 in the first position, the number will decrease by 738 i.e.
new number 3xyz is 738 less than xyz3
xyz3-
3xyz=738
Now from above we can see that a number z when subtracted from 13(from rule of lending in subtraction as 8 is greater than 3) results in 8,
13-z=8
z=13-8
z=5
Then z-y=3, we have z=5 but from previous calculation 1 is lend to 3 so now z is reduced to 4 hence 4-y=3
y=4-3
y=1
then y-x=7, we have y=1 so when a number x when subtracted from 11(from rule of lending in subtraction as 7 is greater than 1) results in 7,
11-x=7
x=11-7
x=4
hence we have now values of x,y and z putting the values in original number we get
4153
and new number is 3415 then
Now 4153-3415=738 !
The sum of the lengths of two opposite sides of the circumscribed quadrilateral is 10 cm, and its area is 12 cm2. Find the radius of the inscribed circle.
Answer:
1.2 cm
Step-by-step explanation:
The area of sircumscribed quadrilateral over a circle is equal to
[tex]A=s\cdot r,[/tex]
where s is semi-perimeter of the quadrilateral and r is the radius of the circle.
Use property of circumscribed quadrilateral: The sums of the opposite sides are equal.
So, if the sum of two opposite sides of the circumscribed quadrilateral is 10 cm, then the sum of another two sides is also 10 cm and the perimeter of the quadrilateral is 20 cm. Hence,
[tex]s=\dfrac{20}{2}=10\ cm[/tex]
Now,
[tex]A=s\cdot r\\ \\12=10r\\ \\r=\dfrac{12}{10}=1.2\ cm[/tex]
We will see that the radius of the inscribed circle is 1.2 cm.
How to get the radius?Remember that for a rectangle of length L and width W, the area is:
A = L*W
In this case we know that the sum of two opposite sides is 10cm, then we can have:
2*L = 10cm
L = 10cm/2 = 5cm
And the area is 12 cm, so we can solve:
12cm = 5cm*W
12cm/5cm = W = 2.4cm
Now, the circle must be inside of the rectangle, so its diameter is equal to the smaller side of the rectangle, which is 2.4cm
Then we have:
D = 2.4cm
And the radius is half of the diameter, so the radius is:
R = 2.4cm/2 = 1.2 cm
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If sin is 3/4 and tan is -3/4, then cos is ?
Answer:
[tex]cos=1[/tex]
Step-by-step explanation:
Use the acronym SOH-CAH-TOA
sin = [tex]\frac{3}{4}[/tex]
So opposite is 3 and hypotenuse is 4.
tan = [tex]\frac{-3}{4}[/tex]
So opposite is -3 and adjacent is 4.
cos = adjacent/hypotenuse
cos = [tex]\frac{4}{4}=1[/tex]
Taina went to the toy store and spent $21.05 on a board game, $2.75 on coloring books, and $13.22 on a model airplane. About how much money did Taina spend in the toy store? A. $35.00 B. $36.00 C. $37.00 D. $38.00
Answer:
C. 37.02
Step-by-step explanation:
All you had to do was add them up and round to the nearest whole number
A rectangular pyramid was sliced parallel to its base. What is the shape of the cross section
Answer:
Trapezoid is the shape of the cross section of a rectangular pyramid.
Step-by-step explanation:
We are given a rectangular pyramid was sliced such that it becomes parallel to its base. We are to determine the shape of the cross section.
Slicing the pyramid with rectangular pyramid will form a trapezoid as a cross section which will be parallel to the base of the pyramid.
Refer to the figure below for better understanding.
Can I have some help on this question please?
152 kilometers my friend
The answer is 152. Hope this helps! Have a great day and good luck!