We have a vertical and a horizontal lines, the equations are:
Line A: x = -5 (vertical one)
Line B: y = -5 (horizontal one)
How to find the equations of the two lines?Remember that the general linear equation in the slope-intercept form is:
y = a*x + b
Where a is the slope and b is the y-intercept.
If the line passes through the points (x₁, y₁) and (x₂, y₂) then the slope is:
a = (y₂ - y₁)/(x₂ - x₁)
Now, line A passes through (–5, –2), (–5, 7), then the slope is:
a = (7 + 2)/(-5 + 5) = 9/0
Notice that if we divide by zero, the slope tends to infinity, so we have a vertical line.
In this case, the line A will be x = -5.
Now line B passes through points: (7, –5), (–2, –5)
Then the slope is:
a = (-5 + 5)/(-2 - 7) = 0/-9 = 0
Then the line is:
y = 0*x + b
And passes through (7, –5), then:
-5 = 0*7 + b
-5 = b
So this line is y = -5.
Concluding, we have:
Line A: x = -5
Line B: y = -5
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Answer:
Line A: no slope
The equation of line A is x = -5
Line B has a slope of 0
The equation of line B is y = -5
Step-by-step explanation:
I did it already :)
f(x) = 2x² + 3x - 6
g(x) = -4x + 10
Find: g(f(x))
please help me quickly
Answer:
80 degrees
Step-by-step explanation:
Function g is a transformation of function f.
-6 -5
4
g(x) =
لا
-2 -1
-1
f(x)
-2
-3
What is the equation of function g?
-5
-6
2
For f(x) = 2x + 3 and g(x) = -x^2 + 1, The composite function defined by (f o g)(x) is equal to (f o g)(x) = - 2 x^2 + 5
As per the question statement, We are given f(x) = 2x + 3 and g(x)=x^2+1
and we are supposed to find the composite function defined by (f o g)(x)
(f o g)(x) = f(g(x))
(f o g)(x) = 2 (g(x)) + 3
(f o g)(x) = 2( -x^2 + 1 ) + 3
(f o g)(x) = - 2 x^2 + 5
Hence, For f(x) = 2x + 3 and g(x) = -x^2 + 1, The composite function defined by (f o g)(x) is equal to (f o g)(x) = - 2 x^2 + 5
Composite Function: A function that is composed of further functions, each of which serves as the input to the next.To learn more about composite functions, click on the link given below:
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x =7, -2, 0, 7
y= 10,0,10,3
Is this a function?
Answer: No, this is not a function.
Functions exist when there are a unique set of x-values and each can match with a y-value. There cannot be a repeating x-value because this creates a discontinuity in the graph. You can have as many repeating y-values as you’d like as long as they each have a unique x-value and are not duplicate plot points.
Since x = 7 repeats in the domain of x-values, this cannot be a function.
The lowest point in Denmark is 7
meters below sea level. The highest point is 173 meters above sea level. What is the range of elevations in
Denmark?
The range of elevations is 166 meters.
What is range?
Find the biggest observed value of a variable (the maximum) and subtract the smallest observed value to determine the range (the minimum). The data points between the distribution's two extremes are not taken into account by the range; just these two values are.
So as mentioned above, given to us are the lowest and highest values
So as the lowest value is 7 meters and the highest value is 173 .
Thus range is equal to 173-7
which is equal to 166.
Thus range is 166 meters.
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You want to drink an average of at least 64 fluid ounces of water each day of the week.
How many fluid ounces of water should you drink on Sunday to reach your goal?
Monday-64
Tuesday-76
Wednesday-66
Thursday-72
Friday-58
Saturday-56
Sunday-56 fluid ounces of water require to reach your goal.
What is a average means?Average: A value that ought to represent the sample is what is meant by the term "Average." The average is calculated by dividing the total number of values in a given set by the sum of all the values in that set. Additionally called the arithmetic mean.In mathematics, the middle value—which is determined by dividing the sum of all the values by the total number of values—is the average value in a set of numbers. If we want to calculate the average for a set of data, we add up all the values and divide this sum by the total number of values.To learn more about : Arithmetic mean.
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Kevin is making potato casserole for a dinner party. He needs 2½ pounds of potatoes per guest. How many pounds of potatoes will he need for 6 guests? O 15 pounds 6.5 pounds O 25 pounds O 12.5 pounds - Previous
Answer:
15 pounds
Step-by-step explanation:
Kevin is making potato casserole for a dinner party. He needs 2½ pounds of potatoes per guest. How many pounds of potatoes will he need for 6 guests?
15 pounds
6.5 pounds
25 pounds
12.5 pounds
2.5lb × 6 guest = 15 pounds
Answer: 15 pounds of potatoes.
Step-by-step explanation:
Kevin will perform basic multiplication to find how many potatoes he needs for all of the guests. Since each person requires 2 1/2 pound of potatoes and there are a total of 6 guests, multiplying these two values will find the pounds of potatoes that are needed for all of the guests.
2 1/2 * 6 = 15 pounds of potatoes
Therefore, Kevin needs 15 pounds of potatoes to make potato casserole for everyone at the dinner party.
How can this expression be written another way?
105 + 35m
Factor using the distributive property and the greatest common factor to write an equivalent expression.
Enter your answer by filling in the boxes.
An equivalent expression to given expression is 35(3 + m)
In this question, we have been given an expression 105 + 35m
We need to write an equivalent expression of given expression.
To find an equivalent expression we factorize given expression using the distributive property and the greatest common factor.
A common number for 35 and 105 is 35.
105 = 35 × 3
So, we can write given expression as,
105 + 35m
= (35 × 3) + 35m
= 35(3 + m)
Therefore, an equivalent expression to given expression is 35(3 + m)
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Anais bought
2 1/2 yards of ribbon. She had
feet 1
6 inches of ribbon left after trimming some curtains. How many inches of ribbon did Anais use to trim the curtains
The inches of ribbon that Anais use to trim the curtains is 12 inches.
How to illustrate the information?From the information, Anais bought 2 1/2 yards of ribbon and then he had 1 feet 6 inches of ribbon left after trimming some curtains.
It should be noted that 12 inches = 1 feet
Therefore, the inches that will be left will be:
= 2 1/2 - 1 6/12
= 2 1/2 - 1 1/2
= 1 feet
It should be noted that 1 feet = 12 inches.
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What is the area, in coordinate units, of the triangle in the figure below
The area of the triangle in the image is 10 square units, thus, option C is the correct one.
What is the area of the triangle?
For a triangle of height H and a base B, the area is given by:
A = H*B/2.
In the image we can see that the base of the triangle goes from (0, 0) to (5, 0), then the length of the base is 5 units.
While the height goes from (0, 0) to (0, 4), so the height is 4 units.
Then the area will be:
A = (4 units)*(5 units)/2 = (20 square units)/2 = 10 square units.
The area is 10 square units.
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Choose the number line that correctly compares 24−−√ and 4.256.
The number line that correctly compares √24 and 4.256 is number line C.
What is a number line?A number line can be defined as a type of graph with a graduated straight line which contains both positive and negative numbers (numerical values) that are placed at equal intervals along its length.
This ultimately implies that, a number line can be used for the comparison of two or more numbers such as √24 and 4.256. Also, a number line typically decreases in numerical value towards the left and increases in numerical value towards the right.
Taking the square root of √24, we have:
√24 = 4.899
In this context, we can reasonably and logically deduce that 4.899 is greater than 4.256 (4.899 > 4.256) and would be placed at the right hand side of the number line and further from 4.899 as shown in number line C in the image attached below.
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Someone explain this to me please
Answer:
0.31
Step-by-step explanation:
√13.7/3.05^2 + 2.6
= 3.7/ 9.3 + 2.6
= 3.7/ 11.9
= 0.31
The complement of an angle is half of it’s size. Find the angle
[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]
[tex]\qquad \tt \rightarrow \:The \:\: angles \:\: are \:\: 60° \:\: and \:\:30° [/tex]
____________________________________
[tex] \large \tt Solution \: : [/tex]
Sum of two complementary angles is 90°
Let's assume one of them to be x, the other one will be x/2 as one of the angles is complementary to other one.
[tex]\qquad \tt \rightarrow \: x + \dfrac{x}{2} = 90[/tex]
[tex]\qquad \tt \rightarrow \: \dfrac{2x + x}{2} = 90[/tex]
[tex]\qquad \tt \rightarrow \: 3x = 90 \times 2[/tex]
[tex]\qquad \tt \rightarrow \: x = 180 \div 3[/tex]
[tex]\qquad \tt \rightarrow \: x = 60 \degree[/tex]
and
[tex]\qquad \tt \rightarrow \: \dfrac{x}{2} = 60 \div 2 = 30 \degree[/tex]
Answered by : ❝ AǫᴜᴀWɪᴢ ❞
Each droplet that you sneeze is approximately 7 x 10-3 mm in diameter. If you wear an N95 mask, which filters virus particles as small as 8 x 10-5, will you sufficiently protect those around you? Explain your reasoning.
Answer:
Yes, 7 x [tex]10^{-3}[/tex] in standard form is 0.007mm
8 x [tex]10^{-5}[/tex] in standard form is 0.00008 mm. The mask will catch particles that are much smaller than 0.007 in diameter.
Step-by-step explanation:
The customers at the bank would like to withdraw money from the automated teller machine. Help them enter their personal ID numbers by completing the numeric patterns. 2, 13, 24, 35,
To withdraw money from the automated teller machine the numeric pattern required to complete the personal ID numbers is 2, 13, 24, 35,46,57,68.
As given in the question,
Using automated teller machine customers at the bank withdraw money
Numeric pattern given for the personal ID numbers is
2, 13, 24, 35
First term 'a'= 2
Common difference between consecutive terms are same
'd'=13 -2
=11
It is an arithmetic progression series
nth term = a+ (n-1)d
5th term = 2 +(5-1)11
=46
6th term =2+(6 -1)11
=57
7th term= 2+ (7-1)11
= 68
Therefore, to withdraw money from the automated teller machine the numeric pattern required to complete the personal ID numbers is 2, 13, 24, 35,46,57,68.
The complete question is:
The customers at the bank would like to withdraw money from the automated teller machine. Help them enter their personal ID numbers by completing the numeric patterns. 2, 13, 24, 35, ___, ___, ____.
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help needed asap!! will award brainiest
Find two integers whose sum is -7 and whose product is 12.
Answer: -3 and -4
Step-by-step explanation:
The sum of -3 + -4 = -7
The product of -3 x -4 = 12 (a negative times a negative equals a positive)
PLEASE HELP ASAP
State whether the point is on the x-axis or the y-axis. If the point is not on an axis, state which quadrant it is in.
(10,–7)
Choose the correct answer from the drop-down menu.
Point (10,–7) is
in:
On the x axis
On the y axis
Quadrant l
Quadrant ll
Quadrant lll
Quadrant lV
The given coordinate pair, (10, -7) is not on the x–axis or the y–axis, but it is in Quadrant IV
What is a coordinate pair?
A coordinate pair specifies a point on the coordinate plane.
The coordinates of points on the x–axis have a y–coordinate of 0
Therefore, the coordinates of a point that is on the x–axis can be expressed as (x, 0)
Points that are on the y–axis have a x–coordinate of 0, which gives the coordinates of the points located on the y–axis as (0, y)
The coordinates of the given point is (10, -7), therefore, the point is neither on the x or y–axis, but in one of the four quadrants.
The coordinate of points in the first quadrant can be represented generally as (x, y)
Points in the second quadrant have the general form of (-x, y)
The points in the third quadrant can be expressed generally in the form (-x, -y)
The coordinates of points on the fourth quadrant are of the form, (x, -y)
The given point is (10, -7), therefore it is in the fourth quadrant or Quadrant IV
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HELP QUICK!
A coordinate plane is shown below. Circle the letter of each true statement.
A. The y-coordinate for point A is 3.
B. Point D has the same x-coordinate as
point E.
C. The x-coordinate for point F is 7.
D. The ordered pair for point G is (8, 6).
E. Point H names the ordered pair (10, 9).
F. Point B is 8 units away from the origin.
G. Point C is 1 unit left and 2 units up from
point D.
In the coordinate plane shown we can say that the y-coordinate of point A is 3.
Let us now take the statement one by one and try to find out if they are true or false.
A. True. The y-coordinate for A is 3
B. False. Point D has x-coordinate of 5 and E has 6
C. True The x-coordinate for F is 7
D. True The ordered pair for point G is (8,6)
E. False. Point H names the ordered pair (9,10).
F. false point B is √34 units away from origin
G. True.
The coordinate plane is a two-dimensional surface created by combining two number lines. A single horizontal number line makes up the x-axis. The name of the vertical number line, which is the other number line, is the y-axis. The intersection of the two axes is the origin. The graphing of points, lines, and other objects can be done using the coordinate plane.
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Complete the following table of ordered pairs that are solutions of the equation
a. The complete table for the ordered pairs that are solutions to y = x³ - 4 is
x y
-1 -5
0 -4
1 -3
2 4
b. The graph of the equation is shown below
Determining Ordered pairsFrom the question, we are to complete the given table of ordered pairs that are solutions to the given equation.
The given equation is
y = x³ - 4
Now, we will determine the values of y for the given values of x
When x = -1
y = x³ - 4
y = (-1)³ - 4
y = -1 - 4
y = -5
(-1, -5)
When x = 0
y = x³ - 4
y = (0)³ - 4
y = 0 - 4
y = -4
(0, -4)
When x = 1
y = x³ - 4
y = (1)³ - 4
y = 1 - 4
y = -3
(1, -3)
When x = 2
y = x³ - 4
y = (2)³ - 4
y = 8 - 4
y = 4
(2, 4)
Thus,
The table is
x y
-1 -5
0 -4
1 -3
2 4
The graph is shown below
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A rectangular sandbox has a width represented by the polynomial (x-1) and a length represented by (6x-5). What is the total area of the sandbox?
The total area of the sandbox is given by 6x^2-11x+5
Width of the sandbox = (x-1)
Length of the sandbox = (6x-5)
Rectangle area in geometry refers to the area that a rectangle occupies on a two-dimensional plane. A quadrilateral, a form of a two-dimensional object with four sides and four vertices, is what a rectangle is. The rectangle's four angles are all right angles or exactly 90 degrees. The rectangle's opposing sides are equal and parallel to one another.
The formula for the area of a rectangle:
Area of rectangle = Length*Width
Substituting the value in the formula we get:
Area of rectangle = (x-1)*(6x-5)
= 6x^2-5x-6x+5
= 6x^2-11x+5
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Kadeem and Quinn both drive 25 miles. Kadeem drives at a constant speed of 50 miles an hour. Quinn drives at a constant speed of 75 miles per hour. Who takes longer to drive 25 miles? How much longer?
Answer:
Kareem takes longer to drive the 25 miles. Kadeen takes 10 minutes longer than Quinn.
Step-by-step explanation:
The formula for time is distance over speed (distance/speed)
Kadeem
distance/speed = 25/50 = 1/2 hour = 30 minutes
Quinn
distance/speed = 25/75 = 1/3 hour = 20 minutes
What is the special angle pair relationship between the two
Answer: Alternate exterior angles
Step-by-step explanation:
I need help pleaseeee
Answer: 60 inches in 5 feet
Step-by-step explanation:
5X12=60
Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n 1) = f(n) 5 f(n 1) = 5f(n) f(n 1) = 1.05f(n) f(n 1) = 0.05f(n)
Answer: y = f (n 1)
Step-by-step explanation:
If we count interest rate = 5%
then if he earned 'y' amount in 1st year then in 2nd year he must earned
= y + 5% of y
== 1.05 y
here, y = f(n 1)
Marisol's annual salary as an engineer is $75,000. After receiving a
promotion, her new annual salary is $80,000. What percent increase in her
salary resulted from her promotion?
The percent increase in her salary resulted from her promotion is 6.67%.
The annual salary of Marisol as an engineer = $75000.
After, the promotion salary of Marisol as an engineer = $80000.
We have to find the increment in her salary after promotion in percentage.
Before finding the increment in percentage we find the total increment in dollar in her salary after promotion.
Total increment in dollar = Salary after Promotion − Salary before Promotion
Total increment in dollar = $80,000 − $75,000
Total increment in dollar = $5000
As we know that we can find the percentage by multiplying the required number by 100 because percentage is the ratio with 100.
So, the increment in salary after promotion in percentage.
% increment = (Total increment/Salary before) * 100
% increment [tex]= (\frac{5000}{75000})*100[/tex]
% increment = 0.0667 * 100
% increment = 6.67%
Now we see that percent increase in her salary resulted from her promotion is 6.67%.
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What are the roots of the roots of the function f(x)=x^2+2x-1
The roots of the function f(x) = [tex]x^2+2x-1[/tex] are
x = [tex]-1+\sqrt{2}[/tex]
x = [tex]-1-\sqrt{2}[/tex]
The function is given f(x)= [tex]x^2+2x-1[/tex]
The roots of given function will be at f(x) = 0
Substitute the value in the equation
[tex]x^2+2x-1[/tex] =0
Here to find the roots of the function, we have to use the quadratic formula in the given function
Roots of the function = [tex]\frac{-b+/-\sqrt{b^2-4ac} }{2a}[/tex]
From the given function the values of
a = 1
b = 2
c = -1
Substitute the values in the quadratic formula and find the roots of the function
= [tex]\frac{-2+/-\sqrt{2^2-4(1)(-1)} }{2(1)}[/tex]
= [tex]\frac{-2+/-\sqrt{4+4} }{2}[/tex]
= [tex]\frac{-2+/-2\sqrt{2} }{2}[/tex]
The roots of the given functions are
x = [tex]-1+\sqrt{2}[/tex]
x = [tex]-1-\sqrt{2}[/tex]
Hence, the roots of the function f(x) = [tex]x^2+2x-1[/tex] are
x = [tex]-1+\sqrt{2}[/tex]
x = [tex]-1-\sqrt{2}[/tex]
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If ATUV is translated to image ATUV, as shown below, by the rule
(x, y) → (x+8, y - 3), what are the coordinates of ATUV?
==========================================================
Explanation:
The given translation rule is (x, y) → (x+8, y - 3) which says "shift 8 units right and 3 units down".
The inverse transformation will undo each to get "8 units left and 3 units up"
So the inverse is (x, y) → (x-8, y + 3)
Use this inverse to determine the preimage of point T'(2,-6)
[tex](\text{x},\text{y})\to(\text{x}-8,\text{y}+3)\\\\(2,-6)\to(2-8,-6+3)\\\\(2,-6)\to(-6,-3)\\\\[/tex]
Therefore, preimage point T is located at (-6,-3) which points us to answer choice B
If we were to apply the rule of "shift 8 units right and 3 units down" to T(-6,-3), you should arrive at T'(2,-6)
Write the equation of line perpendicular to y = 4 that passes through (5, 2)
one may note that y = 4 is a horizontal line, and a line perpendicular to a horizontal line will be a vertical one, Check the picture below.
let in the region where . explain why must have a global minimum at some point in (note that is unbounded---how does this influence your explanation?). then find the global minimum. minimu
the formula for a function of the form y= a е⁻ˣ +b x with global minimum at (1,10) is y= 5е¹ ⁻ ˣ +5 x
We can use first and second derivative tests to determine all coefficients of the function described in statement so that the point given is an absolute minimum. The expressions for such tests are introduced below:
First Derivative Test
-a .е⁻ˣ +b = 0 (1)
b=a .е⁻ˣ
Second Derivative Test
y''= a . .е⁻ˣ (2)
Where y'' >0
If we know that ( x,y) = 9 1,10) , then we have the following system:
10 = a е⁻¹ +b (3)
b= a е⁻¹ (4)
y'' = a е⁻¹ (5)
By (4) in (3):
10= 2aе⁻¹
a=10/2е⁻¹
a= 5е
By (5) we prove that y''>0, and we get the value of by (4):
b=5
Thus, the formula for a function of the form y= a е⁻ˣ +b x with global minimum at (1,10) is . y= 5е¹ ⁻ ˣ +5 x
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