Answer: y=-4x+30
Step-by-step explanation: put into point slope form y-y1=m(x-x1). M is out slope with the given point (7,2) 7 is out x and 2 is our y. Give us y-2=-4(x-7) once done distribute yo get y-2=-4x+28. Add the 2 from the left to the right. to get y=-4x+30
Which of the following is a binomial in y
(1) y² + √2
1
(2) y + +2
y
(3) √5 + √2y
(4) y√y+1
Answer:
Binomial polynomial means that no negetive power on the no
(1) y² + √2 is correct answer
Witch is the equation of the given line?x = -3x = 3y = -3 y = -3x
y=-3
1) Since the graph shows us a horizontal line, where any value of x corresponds to y=-3
(2, -3), (3,-3) etc..
2) Then we have a constant function. y=-3
Answer:
y = - 3
Step-by-step explanation:
the line is horizontal and parallel to the x- axis with equation
y = c ( c is the value of the y- coordinates the line passes through.
the line passes through (- 4, - 3 ) and (2, - 3 ) both with y- coordinate - 3 , so
y = - 3 ← equation of line
If f(x)=-x and j(x)=f(x)+19 list the following attributes
f(x): Slope Y-intercept Zero J(x) Slope Y-intercept Zero
The slope of the functions f(x) and j(x) will be -1. And the y-intercept of the function j(x) will be 19.
What is a linear equation?A relationship between two or more parameters that, when shown on a graph, produces a linear model. The degree of the variable will be one.
The linear equation is given as,
y = mx + c
Where m is the slope of the line and c is the y-intercept of the line.
If f(x) = - x and j(x) = f(x) + 19
Then the function j(x) will be given as,
j(x) = f(x) + 19
j(x) = - x + 19
The slope of the functions f(x) and j(x) will be -1. And the y-intercept of the function j(x) will be 19.
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which value is a solutions of 7/4x^2 -2 = 0.5 x+4
Answer:
x= 2 x= -1 5/7
Step-by-step explanation:
I believe this is the answer I used a math site.
can someone answer this pls Im dying
Answer: The rectangle has 2, and the triangle has 3
Step-by-step explanation:
Question 10
If the nth term of a sequence is
3n - 4 what is the 10th term?
Answer:
a₁₀ = 26
Step-by-step explanation:
to find a₁₀ substitute n = 10 into the nth term formula
a₁₀ = 3(10) - 4 = 30 - 4 = 26
x/50=20=40
i need help cux i dont get it
The given linear equation has solutions 1000 and 2000. This are values for which the equation is true.
Solving linear equationsLinear equations are equations that has a leading degree of 1. Given the equation below, we are to determine the value of x from the expression.
Given the linear equation
x/50=20=40
This can be splitted into x/50=20 and x/50 = 40
Solve both equations
x/50=20
Cross multiply
x = 50 * 20
x = 1000
Similarly;
x/50 = 40
Cross multiply
x = 50 * 40
x = 2000
Therefore the solutions to the given system of linear equation are 1000 and 2000
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What is the equation in slope-intercept form of a line (y = mx + b) that has aslope of 3 y-intercept of 6?
The equation of the line is y = 3x + 6
What are linear equations?Linear equations are equations that have constant average rates of change.
Note that the constant average rates of change can also be regarded as the slope or the gradient
How to determine the equation of the line?The given parameters are
Slope, m = 3
y-intercept, c = 6
A linear equation is represented as
y = slope * x + y-intercept
i.e.
y = mx + c
So, we have
y = 3x + 6
Hence. the linear equation is y = 3x + 6
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Helpppp llsssssssssss
Answer:
Step-by-step explanation:
x = ( -b ± √b² - 4*a*c ) / 2a
3x² - x + 6 = 0
x = ( 1 ± √1 - 4 *3*6) / 2(6)
please help asap Evaluate the numerical expression open parentheses 2 to the power of 3 close parentheses to the power of one half.
4
cube root of 4
square root of 8
square root of 128
Answer:
C) square root of 8=====================
Given expressionOpen parentheses 2 to the power of 3 close parentheses to the power of one half.Convert it to math language and simplify[tex](2^3)^{\frac{1}{2} =[/tex] Expression as described[tex](8)^{\frac{1}{2} =[/tex] Cube of 2 is 8[tex]\sqrt{8}[/tex] Different form of square rootCorrect choice is C
7 9/16÷2 3/4 help me w my math
Subtract using the number line. −1−(−6) Enter your answer in the box.
Using the number line we get the value as 5 .
In basic mathematics, real numbers are shown as a graphic of a graduated straight line called a number line.
Every point on a number line is considered to correspond to a real number, and every real number is assumed to correspond to a point.The integers are typically shown as lines of specially chosen, evenly spaced dots. Even though the picture only shows the integers, as well as numbers that are in between the integers, the line contains all real numbers, going forever in both directions. When teaching fundamental addition and subtraction with negative numbers, it is widely used as a teaching technique.Now as represented in the number line we subtract the numbers to get
−1−(−6) = 5
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Help me graph the relationship please! I've been stuck on this problem for a week now... :<
Rate of change (m) = 10
Starting amount (b) = 14
It takes 9 days to have 104 boondins.
The equation in slope-intercept form is: y = 10x + 14
Its graph is shown below.
How to Write the Equation of a Line?Where m represents the rate of change and b represents the y-intercept or starting value, the equation of a line can be written in slope-intercept form as:
y = mx + b.
From the information given, the following are given about the line:
x = number of days
y = total number of boondins
If he had 74 boondins in 6 days and he bought 10 more every day, then:
x = 6
y = 74
Starting value (b) = ?
Rate of change (m) = 10
Substitute the values into y = mx + b to find the value of b:
74 = 10(6) + b
74 = 60 + b
74 - 60 = 60 + b - 60
14 = b
b = 14
Therefore:
Rate of change (m) = 10
Starting amount (b) = 14
To write the equation in slope-intercept form, substitute b = 14 and m = 10 into y = mx + b:
y = 10x + 14
To find how many days it takes to have 104 boondins, substitute y = 104 into the equation, y = 10x + 14:
104 = 10x + 14
Solve for x
104 - 14 = 10x
90 = 10x
90/10 = 10x/10
9 = x
x = 9
It takes 9 days.
For 10 days, it would take:
y = 10(10) + 14
y = 114 boondins
The table is:
(x, y)
(0, 14)
(10, 114)
The graph for y = 10x + 14 is given in the attachment.
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What is the value of x? (1 point)
1. 24
2. 9
3. 21
4. 14
(i forgot the picture the first time)
(5x+15)°+(3x-3)°=180°(CO-INTERIOR ANGLES)
[tex]5x + 15 + 3x - 3 = 180 \\ 5x + 3x = 180 - 15 + 3 \\ 8x = 168 \\ \frac{8x}{8} = \frac{168}{8} \\ x = 21[/tex]
ATTACHED IS THE SOLUTION
Select the correct answer. a charity organization is holding a food drive with a goal to collect at least 1,000 cans of food by the end of the month. it currently has 565 cans from donations and is having an event where 87 guests will attend and bring cans. which solution set represents the number of cans each guest must bring to meet the goal? a. a number line ranges from 0 through 10 from left to the right in increments of 1. a solid circular point is at 3. an arrow extends from the point toward the right. b. a number line ranges from 0 through 10 from left to the right in increments of 1. a hollow circular point is at 5. an arrow extends from the point toward the right. c. a number line ranges from 0 through 10 from left to the right in increments of 1. a hollow circular point is at 3. an arrow extends from the point toward the right. d. a number line ranges from 0 through 10 from left to the right in increments of 1. a solid circular point is at 5. an arrow extends from the point toward the right.
The number of cans each guest must bring to reach the goal must be greater than or equal to 5 by inequality.
What is inequality in math?
In mathematics, inequalities specify the connection between two non-equal numbers. Equal does not imply inequality. Typically, we use the "not equal sign ()" to indicate that two values are not equal. But several inequalities are utilized to compare the numbers, whether it is less than or higher than.Let
x -----> the number of cans each guest must bring to meet the goal
we know that
The number of guests multiplied by the the number of cans each guest must bring to meet the goal plus the currently cans must be greater than or equal to 1,000 cans
so
The inequality that represent this problem is
565 + 87x ≥ 1000
Solve for x
565 + 87x ≥ 1000
Subtract 565 both sides
87x ≥ 1000 - 565
87 ≥ 435
Divide by 87 both sides
x ≥ 435/87
x≥ 5
therefore, The number of cans each guest must bring to reach the goal must be greater than or equal to 5.
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Darrel divided 575 by 14 by using partial quotients. What is the quotient? Explain your answer using numbers and words.
Answer: 41 1/14
Step-by-step explanation:
41R1 ==> 41 1/14
14|575
-56
____
15
-14
__
1
Use the number line to add the fractions.
Drag and drop the answer into the box to match the sum.
The value gotten when -1/2 is added to 2/3 is 1/6.
What is the sum of the fractions?Addition is the process that is used in mathematics to determine the sum of two or more numbers. The sign that represents addition is +.
A fraction is a non-integer that has a numerator and a denominator. The numerator is the number above the line and the denominator is the number below the line. An example of a fraction is 1/2. 1 is the numerator and 2 is the denominator.
[tex]-\frac{1}{2} + \frac{2}{3}[/tex]
[tex]\frac{-3 + 4}{6}[/tex] = [tex]\frac{1}{6}[/tex]
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Find the measure of
We can conclude that the angle ∠RST is 110°.
What are angles?An angle is a figure in plane geometry that is created by two rays or lines that have a common endpoint. The Latin word "angulus," which means "corner," is the source of the English word "angle." The common endpoint of two rays is known as the vertex, and the two rays are referred to as the sides of an angle.So, as we can see line R and line T are parallel to each other.
Join, R and T with a line that makes a right angle with both lines.(Refer to the image attached below)
Now, we know that ∠R = 90° and ∠SRT = 90 - 60 = 30°.Similarly, ∠T = 90° and ∠STR = 90 - 50 = 40°.In triangle SRT, we know the two angles which are ∠R = 30° and ∠T = 40°.
We know that sum of all angles in a triangle is 180°.So, ∠S in triangle SRT will be:
40 + 30 + ∠S = 18070 + ∠S = 180∠S = 180 - 70∠S = 110Therefore, we can conclude that the angle ∠RST is 110°.
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A bottled water company quality control officer wants to find out how well the label machines are working. He is studying every machine and every bottle to make sure it is usable to a customer. Which represents a population?
the first fifty bottles labeled on Monday morning
one hundred bottles
all the bottles with incorrectly placed labels
all the bottles produced in one day
All the bottles produced in one day represents the population in statistics .
In statistics, a population is a collection of similar things or events that are important to a specific experiment or topic.
A statistical population can be made up of actual objects (such all the stars in the Milky Way galaxy) or hypothetical groups of things that are assumed to be an infinite number of objects based on experience-based generalizations (e.g. the set of all possible hands in a game of poker). A common objective of statistical analysis is to gather information about a chosen community.In statistical inference, a subset of the population (a statistical sample) is chosen to represent the population in a statistical study.The statistical sample must also fairly and accurately represent the population.Since the population represents all the data for a particular time period , in this case we can conclude that the population for the factory will be all the bottles produced in 1 day.
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Help please basic geometry
From the diagram in the image below, it can not be assumed that A C D is a right angle. Option A
This is further explained below.
What is a triangle's right angle?Generally, In a triangle, a right triangle, also known as a right-angled triangle, an orthogonal triangle, or what was previously known as a rectangle triangle, is a triangle in which either one of the triangle's angles is a right angle or two of the sides are perpendicular to one another.
The relationship between the sides of a right triangle and the other angles provides the foundation for the study of trigonometry.
In conclusion, It is not possible to deduce from the diagram in the figure below that the angle ACD are right angles. Alternative A
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HELP
What are the similarities and differences do you see between 3 and 4
For example:
Similar: both arithmetic/linear/common difference
Different: #1 is discrete #3 is continuous
WILL GIVE BRAIN
Jerald is having drain issues at his home and decides to call a plumber. The plumber charges $70 to come to his house and $50 for every hour they work. If the plumber charges Jerald a total of $285, how many hours did the plumber work?
Write and solve an equation to determine the number of hours worked by the plumber.
50x − 70 = 285; x = 7.1 hours
50x + 70 = 285; x = 4.3 hours
70x − 50 = 285; x = 4.8 hours
70x + 50 = 285; x = 3.4 hours
Answer: B
Step-by-step explanation:
A $70 is fixed, we have to add $50 each hour. So, it will be 70 + 50x. If he charged $285 overall, this means that 70 + 50x = 285
50x = 285 - 70
50x = 215
x = 215/50 = 4.3
I need help on my homework it's hard
Answer:
3913
Step-by-step explanation:
Step:1 setup
set up your multiplication problem like this
91
43
X_______
Step:2 Multiply 1 x 3=3 Put 3 below the line and 0 as a reminder on top:
0
91
43
x_______
3
Step 3:Multiply
3 x 9 = 27. Take 27 and add 0 from the previous step to get 27 Enter 27 the bottom:
91
43
X
----------
273
step 4:Add 0 Enter a 0 at the bottom right as a place holder,because you now move over one digit:
91
43
X
_______
273
+ 0
Step 5: Multiply
4 x 1 = 4. Put 4 below the line and 0 as a reminder on top:
0
91
43
x
________
273
+ 40
Step 6:Multiply
4 x 9 = 36 and add 0 from the previous step to get 36. Enter 36 at the bottom:
91
43
x
__________
273
+ 3640
Step 7: Add to get answer
Add up the bottom two numbers (273 + 3640 = 3913 to get the answer:
91
x 43
_________
273
+ 3640
____________
= 3913
Help I can’t do this
Answer:
It looks like you want the point slope form of a line
y-4 = -2 (x +3)
Step-by-step explanation:
y -[tex]y_{1}[/tex] = m(x- [tex]x_{1}[/tex]) You plug in 4 for [tex]y_{1}[/tex], -2 for m and -3 for[tex]x_{1}[/tex]
y - 4 =(2(x - -3) x - -3 is the same at x + 3
y-4 + -2(x + 3)
you are in a car race. during a 10 second pit stop, the other cars gain 1/4 mile on you. how much would the other cars gain on you during a 1 min pit stop.
When the pit stop duration is one minute other cars will gain 3/2 miles
Time duration of a pit stop during the car race = 10 seconds
The distance gained by other cars = 1/4 mile
Pit stop: During a race, a racing car makes a pit stop to get fuel, fresh tires, repairs, mechanical adjustments, a new driver, or any combination of the aforementioned. The pits typically consist of a row of garages where the work is done outside and a pit lane that runs parallel to the start/finish straight and is connected to the main track at each end.
When the duration is one minute or 60 seconds, then the distance gained by other cars will be:
Distance gained by other cars in 10 seconds*6 = 1/4*6 = 3/2 miles
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The functions f and g are defined as follows.
g(x) = 4x+2
f(x)=3x²-3x
Find f(-5) and g(-4).
Simplify your answers as much as possible.
The value of functions f(-5) and g(-4) are 90 and -14 respectively.
What are functions and how to evaluate them?An expression, rule, or law in mathematics that establishes the relationship between an independent variable and a dependent variable.In mathematics, functions exist everywhere, and they are crucial for constructing physical links in the sciences.Finding the value of f(x) =... or y =... that corresponds to a certain value of x is what it means to evaluate a function. To accomplish this, merely swap whatever value has been set to x into each of the x variables.Given functions are:
g(x) = 4x+2
f(x) = 3x²-3x
We have to find f(-5) and g(-4).
f(x) = 3x²-3x, here in the function we replace the x variables with the value given.
f(-5) = 3x²-3x
= 3(-5)² - 3(-5)
= 75 + 15 = 90
g(x) = 4x+2
g(-4) = 4×(-4) + 2
= -16 + 2 = -14
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1. In a student election, Tyler defeated Julia by a ratio of 7 to 6. If there are 221 students
in the grade and all of them voted, how many votes did Julia receive?
A. 119
B. 107
C. 102
D. 89
E. 42
Answer:
c
Step-by-step explanation:
split 221 students in a ratio of 7:6
let x be 1/13th of the votes
221 = 7x + 6x
221 = 13x
17 = x
julia is the 6 in 7:6
6x
6(17)
102
the answer is c
What is the sequence of transformations that maps ABC to A’B’C’
Step 1:
A. Reflect across the line Y=X
B. Reflect across the x-axis
C. Rotate 90° clockwise about the origin.
D. Rotate 180° about the origin
Step 2:
A. Translate 6 units up
B. Translate 5 units up
C. Reflect across the line y=x
D. Reflect across the x-axis
Answer:
Yes, reflecting a shape across the x-axis and then rotating it 90° clockwise about the origin gives the same results as reflecting it
Step-by-step explanation:
Answer: step 1 = C step 2 = A
Step-by-step explanation: 190 abc 123
½a + ¾b + ½a - ½b =
This all im looking for the answer
Answer:
(4a+b)/4
Step-by-step explanation:
1) If g(x) is a linear function, g(-2) = 6 and g(2) = 18, what is the rate of change? Is this function increasing or decreasing? Show your work!
Answers:
Rate of change = 3
The function is increasing
===================================================
Explanation:
The notation g(-2) = 6 means the input x = -2 leads to the output y = 6. Therefore, the point (-2,6) is on f(x). The other point given is (2,18).
For linear functions, the terms "rate of change" and "slope" are the same thing.
Let's use the slope formula on the two points (-2,6) and (2,18)
[tex](x_1,y_1) = (-2,6) \text{ and } (x_2,y_2) = (2,18)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{18 - 6}{2 - (-2)}\\\\m = \frac{18 - 6}{2 + 2}\\\\m = \frac{12}{4}\\\\m = 3\\\\[/tex]
The slope is 3, which can be written as 3/1
A slope of 3/1 means we go up 3 and to the right 1.
slope = rise/run = 3/1
rise = 3 = go up 3
run = 1 = go to the right 1
Since the slope is positive, this means the line is going uphill as we move to the right. In other words, the function is increasing.