Answer:
The equation in the standard form of the line through the given points is;
y = 3x - 17
Step-by-step explanation:
We start by getting the slope of the line;
m = (y2-y1)/(x2-x1)
m = (7-10)/(8-9) = -3/-1 = 3
The stands equation form is;
y = mx + b
m is slope, b is the y-intercept
so we have
y = 3x + b
To get b, we substitute the coordinates of any of the points
10 = 3(9) + b
10 = 27 + b
b = 10-27
b = -17
So the equation is;
y = 3x - 17
Which graph represents r = -5 sin(theta)
Edit: Its the second graph
Answer:
B
Step-by-step explanation:
Answer: B
Step-by-step explanation: on edge
5.Regarding the equations below. What is the value of x?
5x + 2y = 4
x – 3y = –23
Answer:
x=−2
y=7
Step-by-step explanation:
5x+2y=4
x−3y=−23
In order to solve by elimination, coefficients of one of the variables must be the same in both equations so that the variable will cancel out when one equation is subtracted from the other.
5x+2y=4,x−3y=−23
To make 5x and x equal, multiply all terms on each side of the first equation by 1 and all terms on each side of the second by 5.
5x+2y=4,5x+5(−3)y=5(−23)
Simplify.
5x+2y=4,5x−15y=−115
Subtract 5x−15y=−115 from 5x+2y=4 by subtracting like terms on each side of the equal sign.
5x−5x+2y+15y=4+115
Add 5x to −5x. Terms 5x and −5x cancel out, leaving an equation with only one variable that can be solved.
2y+15y=4+115
Add 2y to 15y.
17y=4+115
Add 4 to 115.
17y=119
Divide both sides by 17.
y=7
Substitute 7 for y in x−3y=−23. Because the resulting equation contains only one variable, you can solve for x directly.
x−3×7=−23
Multiply −3 times 7.
x−21=−23
Add 21 to both sides of the equation.
x=−2
The system is now solved.
x=−2,y=7
Graph if needed:
What is the range of this function?
-8
8
10
5
12
7
(1,-2)(5,4) find the mid point
Answer:
Step-by-step explanation:
Given points A ( 1 , - 2) and B ( 5 , 4)
Mid point of AB is
= ( ( x1 +x2)/ 2 , ( y1+ y2)/ 2 )
= ( ( 1 + 5)/2 , ( - 2 + 4)/2 )
= ( 3 , 1 )
hope it helps :)
Please help me on this question.
Answer:
2nd choice i think tell me if its right
Answer:
B? sorry if i'm wrong...
Step-by-step explanation:
How is it 86 I neeeed Explainatiob pleaseeee!!!!!
Answer:
it is 86
Step-by-step explanation:
House 1 has 6 sticks. House 2 has 11, house 3 has 16, and the pattern goes on. Each following house uses 5 more sticks. At design 17, we can use this pattern to solve for it. We would do 5*17, remembering to add 1 as house 1 has its own additional stick. 5*17 + 1 = 86
Hope this helps, let me know if you have any questions :))
answerr to 4p+7p+3+7p+3
Answer:
18p+6
Step-by-step explanation:
Determine the coordinates of the y-intercept of 3x − 4y = 24.
Answer:
(0, -6)
Step-by-step explanation:
At the y-intercept, the x-coordinate equals zero.
3x - 4y = 24
3(0) - 4y = 24
-4y = 24
y = -6
Answer: (0, -6)
A salesperson works 40 hours per week at a job where has two options for being paid. Option A is an hourly wage of $20. Option B is a commission rate of 10% on weekly sales. How much does need to sell this week to earn the same amount with the two options?
Please help..
Answer:
$8,000
Step-by-step explanation:
40x20= .1s
8000=s
First option, the salesperson will earn 40*20=800 dollars.
For second option, the person will earn the amount he sells/10.
For them to be equal the second salesperson have to sell 800*10=8000 dollars of items to earn that as much money as the first salesperson.
Find angles A, B, C, D, & E.
Answer:
Step-by-step explanation:
B = 35 {Alternate interior angles}
C = 75 {Corresponding angles}
D + 75 = 180 {Linear pair}
D = 180 - 75
D = 105
A = C {Corresponding angles}
A = 75
E = A {Alternate interior angles}
E = 75
Calculate the rise and run between any two coordinates to find the slope of each line ...
For the first one its a slope of -2/3
The second one is 4/5
and the third one is -1/7
Addison earns a fixed hourly rate working as a sales clerk. If she works on a holiday, she earns a different hourly rate than she earns on a regular day. In one week, she earns $188.50 by working 5 hours on a holiday and 16 hours during regular days. A different week, she earns $254.00 by working 8 hours on a holiday and 20 hours during regular days.
Answer:
10.50
Step-by-step explanation:
11/6=n+7/9 what does n equal
Answer:
n = 19/18
Step-by-step explanation:
11/6 = n + 7/9
-n + 11/6 = 7/9
-n = 7/9 - 11/6
-n = -19/18
n = 19/18
Answer:
n = 19/18
Step-by-step explanation:
The equation 11/6=n+7/9 has fractions with two different denominators (6 and 9). The LCD is 18, which is the smallest number evenly divisible by 6 and 9. Thus, we can rewrite 11/6=n+7/9 as:
33/18 = (18/18)n + 14/18 (Now all three denominators are the same: 18)
Then 33 = 18n + 14, or
19 = 18n
Dividing both sides by 18, we get n = 19/18
Check: Is 11/6 = 19/18 + 7/9 true? YES
There are about 16 kilometres in 10 miles About how many kilometres are in 5 miles?
A: 3 kilometres
B: 8 kilometres
C: 32 kilometres
D: 80 kilometres?
Answer:
167
Step-by-step explanation:
89-g8+16
Find the missing angle measures?
Answer:
x)45
y)45
z)135
Step-by-step explanation:
A square has a side length of 6 centimeters. What is the perimeter of the square?
Answer:
Perimeter of square = 4 x side length
4 x 6 = 24cm^2
Answer:
It’s 24
Step-by-step explanation:
6*4=24
It’s that simple
Make me brainliest pls
what is the answer? Please
please help me 8th grade math i’ll give brainliest fastest answer
Answer:
Neither
Step-by-step explanation:
y - 4 = 7(x - 6)
y - 4 = 7x - 6
+4 +4
y = 7x - 2
______________
y = 5
x = 4
5 = 7(4) - 2
5 = 28 - 2
5 = 26
No
______________
y = 5
x = 6
5 = 7(6) - 2
5 = 42 - 2
5 = 40
No
Hope this helped! Have a nice day! Plz mark as brainliest!!! :D
-XxDeathshotxX
Please help I'm in hurry
Answer:
its twenty five
Step-by-step explanation:
25
Re-write the expression in the rational exponent form
Answer:
[tex]11^{\frac{1}{2} }[/tex]
Step-by-step explanation:
The rational exponent form is as the pictures show. (The first one just shows random examples).
Hope it helps!
You purchase 5 pounds of apples and 2 pounds of oranges for $9. Your friends purchases 5 pounds of apples and 6 pounds of oranges for $17. What is the price per pound for each fruit?
Answer:
One pound of apple = $1
One pound of Orange = $2
Step-by-step explanation:
Plz mark brainliest thanks
Answer:
Apples $1
oranges $2
Step-by-step explanation:
What is the greatest factor of 48x²and 32x³
Answer:
Step-by-step explanation:
Write the prime factors making up the two expressions
48x^2: 2 * 2 * 2 * 2 * 3 * x * x
32x^3: 2 * 2 * 2 * 2 * 2 * x * x * x
Underline what is common to both
The highest common factor is 2 * 2 * 2 * 2 * x * x
The highest common factor is 16x^2
This may look very simplistic, but try a question like this
5397691 and 3271021
The method I've shown you is likely the only way you could factor these two monsters and they are relatively small numbers.
Luisa earns money mowing her neighbors' lawns.
The revenue for mowing x lawns is /(x) = 20x.
Luisa's cost for gas and the mower rental is c(x) = 4x + 25.
Her profit from mowing x lawns is p(x) = (r- c)(X). What is p(x)?
Answer:
p(x)= 16x-25
Step-by-step explanation:
We have been given that
plz help i will give brainliest
Answer:
1. [tex]y=\frac{2}{3}x-2[/tex]
2. [tex]y=\frac{-5}{4}x+5[/tex]
Step-by-step explanation:
all you are doing is solving for "y"
Answer:
ans 1. -2x = -6-3y
-2x = 9y
xy = -2/9
ans 2. 5x = 20 - 4y
5x = 16y
xy = 5/16
I hope it helps....
What is the perimeter of the triangle?
Put the following equation of a line into slope-intercept form, simplifying all fractions. y - 3x = -1
Answer:
y=3x-1
Step-by-step explanation:
y-3x=-1
y-3x+3x=-1+3x
y=3x-1
Answer:
y=3x-1
Step-by-step explanation:
y-3x=-1
y=3x+(-1)
y=3x-1
Write an equation and solve each problem.
1. Mariska gave her friend Elise 8 beads and was left with 37 beads. How many
did she have originally?
Answer:
x-8=37
37+8=x
45=x
45 is your answer
Step-by-step explanation:
If the perimeter of square X is triple that of square Y, then the are of X is how many times the area of Y?
Answer:3 more than y i think srry if im wrong
Step-by-step explanation:
The lunch choices last Friday were mushroom or pepperoni pizza. The cafeteria made 10
pizzas in all, 4 of which were mushroom pizzas. What percentage of the pizzas were
mushroom pizzas?
Answer:
40%
Step-by-step explanation:
4/10=.40
.40=40% as a percentage
please help me!!!!! asap
A is correct.
5^2=25
2^3=8
3^2=9
25+8x9