Answer:
4x - 5y = 30
4x - 5(0) = 30
x1 = 7.5 y1 = 0
Find y-intercept
The y-intercept is where the graph crosses the y-axis. To find the y-intercept, we set x2=0 and then solve for y.
4x - 5y = 30
4(0) - 5y = 30
y2 = -6 x2 = 0
(x1,y1) and (x2,y2)
(7.5,0) and (0,-6)
Solve for x
To solve for x, we solve the equation so the variable x is by itself on the left side:
4x - 5y = 30
x = 1.25y + 7.5
Solve for y
To solve for y, we solve the equation so the variable y is by itself on the left side:
4x - 5y = 30
y = 0.8x - 6
The peak of a mountain is 197.35 feet above sea level. The bottom of a lake is 131.38 feet below the sea level. What is the difference in elevations between the top of the mountain and the bottom of the mountain lake?
Answer: 65.97
Step-by-step explanation:
what is
-6(4-t)=12t ?
[tex] - 6(4 - t) = 12t \\ - 6(4) - 6( - t) = 12t \\ - 24 +6 t = 12t \\ 6t - 12t = 24 \\ - 6t = 24 \\ \frac{ - 6t}{ - 6} = \frac{24}{ - 6} \\ t = - 4[/tex]
ATTACHED IS THE SOLUTION
can someone help me with the second 2
Answer:
Step-by-step explanation:
5?
Answer:
1. AM = 10
2. x = 21;
AM = 14
Step-by-step explanation:
5x = 3x + 4
-3x -3x
-----------------
2x = 4
÷2 ÷2
-------------
x = 2
AM = 5x
5(2) = 10
AM = 10
----------------------------------------------------------------------------------------------------------
|-------------x--------------|
*----|----*----|----*----|----*
A H M S
|---7---|
(assuming AH = HM = MS)
7 + 7 +7 = x
21 = x
AM = 14
I hope this helps!
List square numbers 50 to 80
Given that log 2 = 0.3010 and log 3 = 0.4771, find log √30 without using a calculator.
Answer:
0.73855.
Step-by-step explanation:
log √30
log 30^1/2
= 1/2 log 30
30 = 2 * 3 * 5
= 3 * 10
So, log 30
= log (3*10) = log 3 + log 10
= 0.4771 + 1
= 1.4771
and log √30
= 1/2 log 30
= 1/2 * 1.4771
= 0.73855
0.4% as a decimal
ITS DUE AT MIDNIGHT
Answer: 0.004
Step-by-step explanation:
Please answer the question in the photo
The value of z in this convex polygon is equal to 66°
What is a polygon?A polygon can be defined as a two-dimensional geometric shape that comprises straight line segments and a finite number of sides.
Note: The number of sides (n) of a pentagon is 5.
In Geometry, the sum of all the interior angles of a polygon with "n" sides is given by this formula:
Interior angle = 180 × (n - 2)
Interior angle = 180 × (5 - 2)
Interior angle = 180 × 3
Interior angle = 540°.
Now, we can determine the value of z as follows:
(180° - 2z) + (180° - z) + 130° + 108° + 140° = 540°
3z - 378° = 540° - 360°
3z = 378° - 180°
3z = 198°
z = 198°/3
z = 66°
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Find the perimeter and total area of the polygon shape shown below.
8
10
10
18
12
12
8
10
10
8
O Perimeter = 96 inches, Area = 192 square inches
O Perimeter = 56 inches, Area = 192 square inches
O Perimeter 56 inches, Area = 288
288 square inches
O Perimeter = 96 inches, Area =
144 square inches
Perimeter of polygon is 96 inches
Area is 192 square inch.
What is area and perimeter?Area is the entire amount of space occupied by a flat (2-D) surface or an object's shape. On a sheet of paper, draw a square using a pencil. It has two dimensions. The area of a shape on paper is the area that it occupies. Consider your square as being composed of smaller unit squares.
The perimeter of a form is the space surrounding its edge. Find the perimeter of various forms by summing the lengths of their sides.
Given,
Perimeter = sum of all sides
Perimeter = 8 + 10 + 10 + 18 + 12 +12 +8+ 10 + 10+8 + 10
Perimeter = 86
Perimeter of polygon is 96 inches
Area = Triangle ABC + Rectangle BCED + Triangle DEF
Area = [tex]\frac{1}{2}[/tex] × 12× 8 + 12×8 + [tex]\frac{1}{2}[/tex] ×12 × 8
Area = 192
Area is 192 square inch.
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Answer in graph form. Find <0 if sin0= 7/10 and cot0 is positive.
Sin(0)=-7/10
To get the right triangle's known sides, use the sine definition. Each value's sign is determined by the quadrant.
sin(0)=opposite/hypotenuse
Find the triangle formed by the unit circle's neighboring side. Use the Pythagorean theorem to determine the remaining side since the hypotenuse and opposite sides are known.
Adjacent=√hypotenuse²−opposite²
Change the equation's known values with new ones.
Adjacent=√(10)²−(7)²
Inside the radical, simplify.
Raise10the strength of2.
Adjacent=√100−(7)²
Raise−7the strength of2.
Adjacent=√100-49
Multiply −1 by 49.
Adjacent=√100−49
Subtract49 from 100.
Adjacent=√51
Find the cosine value.
Find the value of using the cosine definition.
cos(0).
cos(0)=adj/hyp
Replace with the known values.
cos(0)=√51/10.
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To get the right triangle's known sides, use the sine definition. The quadrant determines each value's sign.
The value of cos(0) exists √51/10.
What is meant by trigonometric identities?Trigonometric Identities are equality statements that hold true for all values of the variables in the equation and that use trigonometry functions. There are numerous unique trigonometric identities that relate a triangle's side length and angle.
To get the right triangle's known sides, use the sine definition. The quadrant determines each value's sign.
sin(0) = opposite/hypotenuse
To find the triangle formed by the unit circle's neighboring side. Use the Pythagorean theorem to determine the remaining side since the hypotenuse and opposite sides are known.
Adjacent = √hypotenuse² − opposite²
substitute the values in the above equation, we get
Adjacent = √(10)² − (7)²
Adjacent = √100 - 49
simplifying the above equation, we get
Adjacent = √51
To find the cosine value.
cos(0) = adjacent/hypotenuse
Replace with the known values.
cos(0) = √51/10.
Therefore, the value of cos(0) = √51/10.
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Question 1)
Two poles of equal heights are standing opposite each other on either side of the road, which is 80 m wide. From a point between them on the road, the angles of elevation of the top of the poles are 60° and 30°, respectively. Find the height of the poles and the distances of the point from the poles ..
♦ Note:
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Answer:
The height of pole is 20√3 m each and distance of pole from the point on road is 60 m and 20 m respectively.
Step-by-step explanation:
Given:
Two poles of equal heights are standing on opposite side of the road which is 80 m wide facing each other. From a point on the road the angle of elevation of poles are 60° and 30° respectively.To Find:
The height of poles and the distance of that point on the road from the pole.Formula used:
tan60° = √3 tan30° = 1/√3Let the height of each pole be H metres.
Also, let's assume that distance of the point from one pole (as shown in figure) be x m.
According to question, we have
tan60° = H/(80-x)
H = (80-x)√3.... (1)
Also, tan30° = H/x
H = x/√3... (2)
Putting value of eq(2) in eq(1), we get
x/√3 = (80-x)√3
x = 3(80-x)
x = 240 - 3x
4x = 240
x = 60 m
Putting value of x in eq(2), we get
H = 60/√3 = 20√3 m
So, the height of pole is 20√3 m each and distance of pole from the point on road is 60 m and 20 m respectively.
Answer:
Height of Pole: 20√3 m
Distance Of Point From Poles: 20m and 60m
Step-by-step explanation:
The attached graph may help you understand my explanation better
The two poles are Ab and CD and are 80m apart
O is the point between them
The angle of elevation from O to A is 60°
The angle of elevation from O to D is 30°
Since the two poles are given to be of equal height,
AB = CD
In ΔAOB using the law of tangents
tan 60° = AB/BO
tan 60° = √3 and AB = x
So we get
√3 = x/BO
Multiplying both sides by BO we get
√3 · BO = x
or BO = x/√3
Looking at ΔCOD
tan 30° = DC/OC
tan 30° = 1/√3
1/√3 = x/OC
OC · ( 1/√3) = x
OC = x ÷ 1/√3
= x · √3/1
OC = √3x
We also know that BO + OC = 80
Plugging this information with values computed gives us
x/√3 + √3x = 80
Multiply by √3 on both sides
(x/√3) · √3 + (√3x) √3 = 80√3
(x/√3) · √3 = x since the √3 terms cancel out
(√3x) √3 = 3x
So we get
(x/√3) · √3 + (√3x) √3 = 80√3
=>
x + 3x = 80√3
4x = 80√3
x = (80√3)/4
x =20√ 3
So the height of each pole = 20√ 3 m ≈ 34.64 m
The distance OC can be found from the previous equation
OC = √3x
=> OC = √3 x 20√3 = 20 x 3 = 60m
Since BO + OC = 80 m
BO = 80 - 60 = 20 m
Answer:
Height of each pole = 20√3 m
The point is located 20 m from one pole and 60 m from the other pole
the overall change in temperature when the temperature is 10 degrees fahrenheit at 9:00 am and 10 degrees fahrenheit at 6:00 pm.
The change in temperature based on the time and the temperature given is 0.
What is temperature?It should be noted that temperature simply means the degree of coldness and hotness of a particular body.
In this case, we want to calculate the overall change in temperature when the temperature is 10 degrees fahrenheit at 9:00 am and 10 degrees fahrenheit at 6:00 pm.
Therefore, the change will be the subtraction of the values given. This will be:
= 10°F - 10°F
= 0
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Houa took a taxi from her house to the airport. The taxi company charged a pick-up fee of $1.20 plus $1.25 per mile. The total fare was $29.95, not including the tip. Which equation or tape diagram could be used to represent the context if x represents the number of miles in the taxi ride?
The equation or tape diagram could be used to represent the context if x represents the number of miles in the taxi ride is A. 29.95 - 1.2 / 1.25 = x
How to illustrate the information?From the information, Houa took a taxi from her house to the airport and the taxi company charged a pick-up fee of $1.20 plus $1.25 per mile. The total fare was $29.95,
Let the number of miles be represented by x.
Therefore, the information will be illustrated by:
1.20 + 1.25(x) = 29.95
1.20 + 1.25x = 29.25
Make x the subject
1.25x = 29.25 - 1.20
x = 29.25 - 1.20 / 1.25
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Is this statement true or false?
0 x 5 = 5 x 0
The statement is true. Multiplication is commutative, which means that the order of multiplication does not affect the result.
The statement "0 x 5 = 5 x 0" is true because of the commutative property of multiplication. In multiplication, the order of factors does not change the result.
When we multiply 0 by 5, it equals 0 since anything multiplied by 0 is 0. Similarly, when we multiply 5 by 0, the result is still 0. Both expressions are equal to 0, confirming the commutative property.
In summary, 0 x 5 and 5 x 0 are interchangeable and yield the same result, proving the truth of the statement based on the fundamental property of multiplication.
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Six student government officers want to go to the state convention. It will cost them $100 for registration, $380 for transportation and food, and $54 per person for the hotel. There is $500 budgeted for the convention in the student government savings account. They can earn the rest of the money they need by having a car wash. If they charge $5 per car, how many cars must they wash in order to have enough money to pay for the trip?
Answer:
61
Step-by-step explanation:
100+380+6(54)=804
804-500=304
304/5=60.8
Round answer to 61 because 60 is too little and will not meet the budget
Point C is on line segment BD. Given
CD = 2 and BC = 8, determine the
length BD.
An element of a line known as a line segment joins two places that are thought of as line's ends. Point C is on line segment BD, Given CD = 2 and BC = 8, the length BD is 10.
What is line segment?A line segment in geometry is a section of a straight line that is enclosed by two clearly defined end points and contains all of points on the line that lie inside those endpoints. The Euclidean distance between the two ends of a line segment determines its length. Half-open line segments contain exactly one of endpoints, while closed line segments have both of the endpoints. Open the line segments do not contain either of the endpoints. A line drawn above the symbols for the two endpoints is frequently used in geometry to indicate a line segment.
An element of a line known as a line segment joins two places that are thought of as line's ends. It is possible to measure the separation between two places. Given that line segments have a defined length, they can form the sides of any polygon.
Point C is on line segment BD.
CD+BC=2+8=10
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Answer:�
�
=
BC=
15
15
Step-by-step explanation:
Round the number shown on the calculator to 1 decimal place (1 d.p.).
Answer:
Step-by-step explanation:
As you see the picture the number is 1.249
step 1
As you know before decimal the digits are said to be ones,tens, hundred so on and starts from left to right.
But after decimal it goes right to left and they are said ones,tenth,hundredth
step 2
so here it says 1 decimal place means ones means one digit after dot or point so its 2
The number rounded off to 1 decimal place is 1.2
what is rounding off a decimal number?Rounding is a process to estimate a particular number in a context. To round a number look at the next digit in the right place, if the digit is less than 5, round down and if the digit is 5 or more than 5, round up. Rounding decimals refer to the rounding of decimal numbers to a certain degree of accuracy.
Given here, the number is 1.249 and thus the number rounded upto 2 decimal place is 1.25 and further rounding up the number to one decimal place we get 1.2
Hence, the number rounded upto one decimal place is 1.2
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Please answer this with an explannation. Thank You.
The value of x in the triangle is 46.40° .
How to find the angle of a triangle?The angle of a triangle can be found using sine rule.
Therefore, applying sine rule,
a / sin A = b / sin B = c / sin C
Hence,
5 / sin x = 6.9 / sin 88°
cross multiply
5 sin 88° = 6.9 sin x
5 × 0.99939082701 = 6.9 sin x
4.9969541351 = 6.9 sin x
divide both sides by 6.9
sin x = 4.9969541351 / 6.9
sin x = 0.72419625146
x = sin⁻¹ 0.72419625146
x = 46.4020264383
Therefore,
x = 46.40°
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f(x) = 4x^5 - x g(x) = x^3 – 2 (f / g)(x) =
The value of the function (f/g)(x) when f(x) = 4x^5 - x and g(x) = x^3 – 2 is
(f/g)(x) = (4x⁵- x)/(x³- 2)
Functions - It is defined as expressions, rules or laws that explains the relationship between two variables.
These variables are
Independent variableDependent variablesIt is important to note that composite functions are determined when the output of a given function is used as the input of another or different variable.
Given the functions;
f(x) = 4x^5 - x
and
g(x) = x^3 – 2
(f/g)(x) = f (x) / g(x)
(4x⁵- x)/(x³- 2)
The value of the function (f/g)(x) when f(x) = 4x^5 - x and g(x) = x^3 – 2 is
(f/g)(x) = (4x⁵- x)/(x³- 2)
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1.5x+ 4.5y=18 solve for x
Answer: x=12-3y
Step-by-step explanation:
James is solving a number puzzple that involves three integers, a,b, and c, where, c is a positive integer.The product of a and b is 6.The product of a and c is -4.The product of b and cis -6.
Answer:
a = -2
b = -3
c = 2
Step-by-step explanation:
a*b = 6 {The product of a and b is 6]
a*c = -4 [The product of a and c is -4]
b*c = -6 [The product of b and c is -6]
- Rearrange:
1) a*c = -4 to a = (-4/c)
2) b*c = -6 to b = (-6/c)
Now substitute:
a*b = 6
(-4/c)*(-6/c) = 6
(24/c^2) = 6
c^2 = (24/6)
c^2 = 4
c = 2
use this value of c to find a and b:
a = (-4/c)
a = (-4/2)
a = -2
b = (-6/c)
b = (-6/2)
b = -3
why do we draw a median
Jayden had pizza delivered. Jayden tips $5 for deliveries or 10% of the purchase, whichever is higher. The pizza delivered cost $29.50.
How much will Jayden tip?
Answer:
Five dollars?
Step-by-step explanation:
I don’t fully understand the question, so apologies if I am incorrect!
Find the probability of pulling a red card out of a standard deck of cards
Answer:
Find the probability of pulling a red card out of a standard deck of cards
Step-by-step explanation:
So, the probability of drawing a red-faced card is 6 out of 52 cards. Thus, the probability of drawing a red face card from a deck of cards is 6/52 = 3/26.
A standard deck of playing card consists 52 cards.
Cards is splitted into 4 suit i.e. Hearts, Spades, Diamond and Clubs.
Each suits consists of 13 cards - the Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, King and Queen.
Hearts & Diamond are red cards and Spades and Clubs are black cards.
Probably = Number of favourable/Possible outcomes/ Total outcomes.
Probability of pulling a red card = 26/ 52 = 0.5
Thus, probability of pulling a red card is 0.5.
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2. How many subsets with 3 elements of the set
A = {a, b, c, d, e} contain a?
A) 6
B) 8
C) 10
D) 15
E) 20
Answer:
They are 6 sunsets
Step-by-step explanation:
the sets are
(abc),(abd),(ade),(acd),(ace),(ade)
For each pair of images, describe which of these transformations are translation, reflection, or rotation.
Answer:
A is translation because it's being moved to the right to get a'b'
b is reflection because you would reflect over the x-axis \
C is rotation
Picture A represents the translation, the picture represents the reflection, and picture C represents the rotation.
What is geometric transformation?It is defined as the change in coordinates and the shape of the geometrical body. It is also referred to as a two-dimensional transformation. In the geometric transformation, changes in the geometry can be possible by rotation, translation, reflection, and glide translation.
It is given that:
The lines are shown in the picture.
As we know from the definition of the geometric transformation, geometric transformation, changes in the geometry can be possible by rotation, translation, reflection, and glide translation.
From the picture,
Picture A, which is being moved to the right to obtain A'B', serves as a representation of the translation.
Because you would reflect over the x-axis, Picture A represents reflection.
Image A illustrates rotation.
Thus, picture A represents the translation, the picture represents the reflection, and picture C represents the rotation.
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A rectangular sheet of paper is 12 and 1/2 cm long and 10and 2/3 cm wide
Find the perimeter
factor out the coefficient of 1.1x + 9.9
Answer:
1.1(x + 9)
Step-by-step explanation:
1.1x + 9.9 ← factor out 1.1 from each term
= 1.1(x + 9)
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A new streaming service sent out a survey to 250 households to see who would be interested in its service. The company found that it could charge $45 per month, with a margin of error of ±1.5. If 1,000 people signed up for the service, what is the least amount of monthly revenue the company should expect?
$43,500
$45,250
$46,500
$47,000
Based on the amount that the streaming service could charge per month and the margin of error, the least amount of monthly revenue that would be reasonably expected is $43,500
How to find the least revenue expected?First, find the revenue of the new streaming service at its least amount:
= Charge for the month - margin of error
= 45 - 1.5
= $43.50
The least revenue the company can expected then is:
= Least revenue from streaming service x number who signed up for ther service
= 43.50 x 1,000
= $43,500
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which, if any, of the following are antiderivatives of the function e x 2 ? circle all that apply, or ‘none’ as appropriate. z x 2 1 e t 2t dt z x √ 2 e t 2 dt e x 2 2x z x 2 0 e t dt n
The anti derivative of the function eˣ² is eˣ²/2x.
What is defined as the anti derivative?Derivatives are the inverse of antiderivatives. An antiderivative is a function that does the opposite of what a derivative does. There are many antiderivatives of one function, but they all take the shape of a function + an arbitrary constant. Indefinite integrals rely heavily on antiderivatives.An antiderivative, F, of the a function, f, is a function that may be differentiated to get the original function, f. In other words, an antiderivative is defined mathematically as follows: ∫ f(x) dx = F(x) + C, where C is the integration constant.The given function is; eˣ².
To find the anti derivative of the function, integrate the function with respect to x.
Let y = eˣ²
Integration of exponential function remains same but applying the chain rule, the derivative of the power of exponent comes at the denominator.
∫y. dx = ∫eˣ² .dx.
∫eˣ² .dx. = eˣ²/(d/dx)x²
∫eˣ² .dx. = eˣ²/2x
Thus, the anti derivative of the function is found as eˣ²/2x.
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Please help me with this ASAP!
Answer:
[tex] \frac{ {a}^{3} }{14 {b}^{2} {c}^{4} } [/tex]
Step-by-step explanation:
[tex] {14}^{ - 1} = \frac{1}{14} [/tex]
[tex] {b}^{ - 2} = \frac{1}{ {b}^{2} } [/tex]
[tex] \frac{ {14}^{ - 1} {a}^{3} {b}^{ - 2} }{ {c}^{4} } = \frac{ {a}^{3} }{14 {b}^{2} {c}^{4} } [/tex]