Answers
Answer:
y=-3x+1
Step-by-step explanation:
1) the slope-interception form is: y=slope*x+intercept;
2) if A(0;1) and B(2;-5) then it is possible to make up the equation of the required line:
[tex]\frac{x-X_A}{X_B-X_A} =\frac{y-Y_A}{Y_B-Y_A}; \ => \ \frac{x}{2}=\frac{y-1}{-6};[/tex]
3) the equation in the item 2 can be written in slope-interception form:
x=(y-1)/(-3); ⇔ y-1= -3x; ⇔ y= -3x+1.
P.S. note, the suggested way of solution is not the shortest one.
Related Questions
A store owner sold 6 sodas for $12.00 and 8 bags of chips for $6.00. What is the difference between the
unit price of a paint brush and the unit price of a pen?
Answers
Answer:
$30.40
Step-by-step explanation:
1 individual bag of chips would cost $0.75
I hope this helps! Let me know if you have any questions! Good luck on the rest of your assessment!
Mark this as Brainliest if you get a chance:)
A group of students left school at 8:00 am on a field trip to a science museum 90 miles away. Which best the average speed of the bus if they arrived at 10:00
Answers
Answer:
45 mph
Step-by-step explanation:
90 / 2 = 45 mph
Erika created a scatterplot representing the height a plant grew after a certain number of hours of sunlight. The plant height was plotted on the horizontal axis. Which statement best describes how she should draw her line of best fit? A. The line of best fit will be horizontal. B. The line of best fit will be vertical. C. The line of best fit will increase from left to right. D. The line of best fit will decrease from left to right.
Answers
Answer:
B
Step-by-step explanation:
The line of best fit should be vertical. This answer may not be correct.
The correct statement is statement B that is the line of best fit will be vertical.
What is a scatter plot ?
A scatter plot is a graph in which the values of two variables are displayed along two axes, and any correlation is revealed by the pattern of the resulting points.
It is given that , after a particular amount of hours of sunlight, Erika made a scatterplot showing the height that a plant increased to. On the horizontal axis, the plant height was shown.
We know that in a scatter plot , the values of two variables are displayed along two axes. As the plant height was shown on the horizontal axis. The other value which is amount of hours of sunlight will be on the vertical axis.
So , the statement which best describes how Erika should draw her line of best fit i.e., the line of best fit will be vertical.
Therefore , the correct statement is statement B that is the line of best fit will be vertical.
Learn more about scatter plot here :
https://brainly.com/question/6592115
#SPJ2
What is an equation of the line that passes through the point (-6,-1) and is perpendicular to the line 6x-y=7
Answers
Answer:
y=-1/6x-2
Step-by-step explanation:
Lets find the slope of the given line
6x-7=y,m=6
The slope of the perpendicular line would be=-1/6
Using the point-slope form y-y1=m(x-x1)
y--1=-1/6(x--6)
y+1=-1/6(x+6)
6y+6=-x-6
6y=-x-6-6
6y=-x-12
y=-1/6x-2
5) A rectangular piece of paper is 10cmn long and 5cm broad.find its area,
Answers
10cm•5cm= 50cm^2
f(x) = -x2 + 3x + 13
Find f(-10)
Answers
Answer:
f(x) = -x2 + 3x + 13
f(-10) = - (-10)2 + 3(-10) + 13
f(-10) = 20 - 30 + 13
f(-10) = 3
If Mac were to get 76 apples from her friends and then get 3 more from the store, and then find two absolutely fine apples in the sewers, then go for a walk and find 7500 apples in someone's car, how many healthy apples would she find? Bet you can't solve it ;)
Answers
Answer:
3?
Step-by-step explanation:
Answer:
None because the apples are all poisoned.
Step-by-step explanation:
Write the equation using the graph In slope-intercept form
Answers
Answer:
y=(2/3x)+2
Step-by-step explanation:
Selected Points: (3,4) & (-3,0)
Slope (m) = (y2-y1) / (x2-x1)
m=(4-0) / [3-(-3)]
m=4/(3+3)
m=4/6
m=2/3
Point Slope Form: y-y1=m(x-x1)
y-4=(2/3)(x-3)
y-4=(2/3x)-2
y=(2/3x)+2
what is 3/8 as a desimle
Answers
Answer:
0.375
Step-by-step explanation:
Answer:
decimal is 0.375.
Step-by-step explanation:
just divide 8 by 3
Simplify the expression (3 − 4)(6 + 7) − (2 − 3). show your work
Answers
Answer:
-12
Step-by-step explanation:
[tex]=-1\cdot \left(6+7\right)-\left(2-3\right)\\=-1\cdot \:13-\left(2-3\right)\\=-13-\left(-1\right)\\=-12[/tex]
GCF of 28, 48, and 64
Answers
Answer:
14
Step-by-step explanation:
Can you answer these plz?
Answers
Answer: the answer is d
pls help will mark brainliest
solve the system using a matrix.
Answers
Answer:wertyuiop[]\]
';lkjhgfd
Step-by-step explanation:
Question is down below
Answers
Answer:
Step-by-step explanation:
2+6=8
8x divide by 5=1.6x
4x-3=1x
1.6x=1x
Before Sarah does open her account, she sees her grandmother for the holidays. Grandma wants to contribute to Sarah’s ROTH and even matches her contribution, giving her an additional $500 to invest. Now that Sarah has an initial investment of $1000, how much would Sarah have at age 68 based on her predicted rate of return from historical data
Answers
Answer:
2,9457
Step-by-step explanation:
100+7% = 1.07
(1.07)^50 = 29.45702506
y = 1000(29.46)
y = 29,460
it is a polynomial equation of degree two that can be written in tche form, where a,b, and c are real numbers and a =/
Answers
Answer:
A quadratic function is a second degree polynomial function. The general form of a quadratic function is this: f (x) = ax2 + bx + c, where a, b, and c are real numbers, and a≠ 0.
Can you help me please.
Answers
what do you want us to do with the equation? evaluate it? solve for X? solve for y? if you don't tell us then we cannot solve it
Step-by-step explanation:
you never really specified what you want us to do with the equation
Can some pls help. Thank you
Answers
Answer:
39
Step-by-step explanation:
You have a supplementary angle wich is the straight line. Supplementary is equal to 180°. So you would subtract 141° from 180°. 180°-141°=39°.
Please help!!! Confused
Answers
Answer: Please post your question!
Step-by-step explanation:
Answer:
i will gladly help, i just need the question lol
Step-by-step explanation:
A real estate agent has $500 to spend on newspaper ads. If each ad costs $100, how many ads will the real estate agent be able to buy?
Answers
Marisol bought a soda for $1.99 and 6 bags of chips, which cost "m" dollars each. Which equation represents
the total amont, T, that Marisol spent?
Answers
The equation which represents the total amount, T, that Marisol spent is [tex]T = 1.99 + 6m[/tex]
Let the total amount spent be T.Let the cost of bags of chips be m.Given the following data:
Cost of soda = $1.99To find the equation which represents the total amount, T, that Marisol spent:
Translating the word sentence into an algebraic expression, we have;
6 bags of chips = [tex]6m[/tex]
The total amount is equal to:
[tex]T = 1.99 + 6m[/tex]
Therefore, the equation which represents the total amount, T, that Marisol spent is [tex]T = 1.99 + 6m[/tex]
Read more: https://brainly.com/question/13282374
A car repair shop charged $80 per hour for labor and $210 for the parts of a car. If the total cost of repair for the car was $490, how many hours did it take to repair the car? (1 point)
Answers
Answer:
80x + 210 = 490
x = 3.50 per hour
Step-by-step explanation:
3600 divided by 1760?
Answers
Answer:
[tex]3600 \div 1760 \\ \\ = 2.04545[/tex]
Solve for x: 15x²=x+2
Answers
hope its helps u
Explanation
-1/4 + (-2/7)
Get the sum of the problem
Answers
Answer:
-0.53571428571
Step-by-step explanation:
suppose that p is the probability that a randomly selected person is left handed. The value (1-p) is the probability that the person is not left-handed. In the sample of 100 people, the function V(p)= 1000 p(1-p) represents the variance of the number of left-handed people in a group of 100.
a) What value of p maximizes the variance?
b) What is the maximum variance?
Answers
Answer:
a) 1/2
b) 250
Step-by-step explanation:
The start of the question doesn't matter entirely, although is interesting to read. What we are trying to do is find the value for [tex]p[/tex] such that [tex]1000p(1-p)[/tex] is maximized. Once we have that [tex]p[/tex], we can easily find the answer to part b.
Finding the value that maximizes [tex]1000p(1-p)[/tex] is the same as finding the value that maximizes [tex]p(1-p)[/tex], just on a smaller scale. So, we really want to maximize [tex]p(1-p)[/tex]. To do this, we will do a trick called completing the square.
[tex]p(1-p)=p-p^2=-p^2+p=-(p^2-p)=-(p^2-p+1/4)-(-1/4)=-(p-1/2)^2+1/4[/tex].
Because there is a negative sign in front of the big squared term, combined with the fact that a square is always positive, means we need to find the value of [tex]p[/tex] such that the inner part of the square term is equal to [tex]0[/tex].
[tex]p-1/2=0\\p=1/2[/tex].
So, the answer to part a is [tex]\boxed{1/2}[/tex].
We can then plug [tex]1/2[/tex] into the equation for p to find the answer to part b.
[tex]1000(1/2)(1-1/2)=1000(1/2)(1/2)=1000*1/4=250[/tex].
So, the answer to part b is [tex]\boxed{250}[/tex].
And we're done!
which equation best repersents the line graphed above ?
Answers
Answer:
x = -4
Step-by-step explanation:
The line intersects the x-axis at -4.
Answer:
x= -4
Step-by-step explanation:
solved for x?
ax - b = x
-
Answers
Answer:
ax - b = x
+b +b
ax/a = c/a
d=x
Step-by-step explanation:
There are no numbers so I can't give a specific answer so I substituted numbers with letters :)
Anthony drives 15 km at 40 kph and return at the rate of 60kph , what is the average rate for the entire round trip
Answers
9514 1404 393
Answer:
48 kph
Step-by-step explanation:
The distance is immaterial, as long as it is the same at both speeds. The total time for some distance d is ...
t = d/40 +d/60
And the average speed is ...
2d/t = 2d/(d(1/40 +1/60) = 2/(1/40 +1/60) = 2(40)(60)/(40+60) = 4800/100 = 48
The average rate for the round trip is 48 kph.
_____
Additional comment
This value is called the harmonic mean of the two speeds. It is the reciprocal of the average of the reciprocals of the speeds.
the area of a square plot is 529 m² . What is the length of each side of the plot?
Answers
Answer: 279,841 cm2
Step-by-step explanation: 279,841 cm2
