Answers
Related Questions
Please help everyone trolling me
Answers
Answer:
3
Step-by-step explanation:
Based on the housing data below, use linear regression to estimate a fair price for a 1900 ft2 home. Square Feet House Price (in thousands) 1400 1700 105 135 1500 183 O A. $140,000 B. $156,000 C. $160,000 D.- $176,000
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The solution is Option D.
The fair price of a 1900 ft² home is given by the equation A = $ 176,000
What is an Equation of a line?
The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept
And y - y₁ = m ( x - x₁ )
y = y-coordinate of second point
y₁ = y-coordinate of point one
m = slope
x = x-coordinate of second point
x₁ = x-coordinate of point one
The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given data ,
Let the square feet of the house be represented as x
Let the number of houses be represented as y
Let the first point be P ( 1400 , 105)
Let the second point be Q ( 1500 , 183 )
Now , the slope of the equation is given by
Slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Slope m = ( 183 - 105 ) / 1500 - 1400
Slope m = 78 / 100
Slope m = 0.78
Now , the equation of line is y - y₁ = m ( x - x₁ )
Substituting the values in the equation , we get
y - 1400 = 0.78 ( x - 105 )
On simplifying the equation , we get
y - 1400 = 0.78x - 81.9
Adding 1400 on both sides of the equation , we get
y = 0.78x + 1318.1
Therefore , the value of y is 0.78x + 1318.1
Hence , the equation of line is 0.78x + 1318.1 and the price is $ 176,000
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Answer:
Step-by-step explanation:
b i think
write point slope
can someone help me with this plz
will mark brainliest and 20 points
Answers
Answer:Point-slope is the general form y-y₁=m(x-x₁) for linear equations. It emphasizes the slope of the line and a point on the line (that is not the y-intercept).
Step-by-step explanation:
On Saturday, 150 guests at a hotel called for room service, and 225 guests did not call for room service. What percentage of the guests at this hotel called for room service on Saturday?
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Answer:
40% I believe Hope's it help
Amanda planned to run 5 kilometers. Instead, she ran 170% of the planned distance,
1 kilometer - 1000 meters
How many meters did Amanda run?
Answers
Answer:
8500 meters
Step-by-step explanation:
5 100
170
6.) Find all zeros (real and complex) of the same function
f(x) = x4 – x3 - 5x2 - x - 6
Answers
The Kellam Booster Club made $1,638 selling tickets to the football games this season. A child's ticket costs $3 and they sold 120 of them. An adult ticket costs $9. How many adult tickets did they sell?
Answers
Answer:
They sold 142 adult tickets.
Step-by-step explanation:
120x3=360
142x9=1278
1278+360=1638
If my current slope is 7 what is the perpendicular slope?
A- -7
B-7
C- -1/7
D- 1/7
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Answer
-7
Step-by-step explanation:
opposite of 7
why does math have to be so hard
Answers
Answer:
Math seems difficult because it takes time and energy. Many people don't experience sufficient time to "get" math lessons, and they fall behind as the teacher moves on. Many move on to study more complex concepts with a shaky foundation. We often end up with a weak structure that is doomed to collapse at some point.
Math is hard because it is a non-intuitive, non-natural activity. Math don't happen by chance only, it only happens with deliberate, focused work. For this you expend a lot of energy and cause a lot of mental strain, you put yourself on an uncomfortable condition for hours, days, sometimes weeks to solve a problem.
But some people love math, like me, because they study math more than others. If you study more and learn more about math, then you’ll start to feel more comfortable because you’ll be ahead of the class when your teacher teaches you something.
The most important thing is to keep trying and never give up.
Hope this helps! :)
the length of a rectangle is 4 meters less than twice its width. The area of the rectangle is 70. Find the dimensions of the rectangle
Answers
Answer: The width is 7 meters. The length is 10 meters.
Step-by-step explanation: Area = Length × width
Length is 2w - 4
Substitute that value for length, then solve for w.
70 = w(2w - 4)
70 = 2w² - 4w reorganize to quadratic equation form
2w² - 4w -70 = 0 These are All even numbers; factor out 2 (divide all by 2)
w² - 2w - 35 = 0 factor this
(w - 7)(w + 5) set each factor = 0 and calculate the value of w.
w+5=0 w= -5 (disregard this one because dimensions of real rectangles can't be negative)
w - 7 = 0 w = 7 The width is 7
Substitute into the original expressions to get the value of Length.
2(7) -4 = L 14 - 4 = L The Length is 10.
Check by substituting into the original equation:
w × 2w -4 = 70
7 × 2(7) -4 = 70
7 × 10 = 70 TRUE!
w
Dimensions of the rectangle are length=10 meter and width= 7 meter
What is Rectangle?A rectangle is a quadrilateral with four right angles.
Given,
The length of a rectangle is 4 meter less than twice its width
Consider,
l is the length of the rectangle
w is the width of the rectangle
l=2w-4
Area of the rectangle = Length × Width
70=l × w
Substitute the value of l is the second equation
70=(2w-4)×w
[tex]2w^{2} -4w=70\\2w^{2} -4w-70=0[/tex]
Take 2 outside
[tex]2(w^{2}-2w-35)=0\\ w^{2} -2w-35=0\\(w+5)(w-7)=0[/tex]
w=7,-5
Hence w wont be negative value
Therefore w=7 meter
Then,
l×w=70
[tex]l=\frac{70}{7}\\[/tex]
l=10 meter
Hence, the dimensions of the rectangle are length=10 meter and width= 7 meter
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ANSWER THIS IS FOR EXTRA CREDIT
Answers
Answer:
The answer is c
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
will give brainliest
Answers
Answer:
D
Step-by-step explanation:
Protect economic freedom, so that a strong central government couldn't stop them from doing what they wanted to earn money.
***I hope this answer's correct. Plz lmk!!!
Answer:
C I think because it makes most sence sorry if wrong answer
Step-by-step explanation:
( I think this would be a diferent subject just saying)
hope this helps
Joshua borrows $300 from his older sister to buy a bike. He promises to pay the total amount plus 5% simple interest in one year. How much will Joshua
pay back in all?
Answers
Answer:
315
Step-by-step explanation:
How many packages of gum can you buy with $18 if one package cost $2?
Which equation best represents this word problem?
Group of answer choices
18 x 2 = p
p - 18 = 2
p + 2 = 18
2p = 18
Answers
Answer:
2p = 18
Step-by-step explanation:
Question 1 of 10
Which of the following best describes the slope of the line below?
O A. Zero
O B. Positive
O C. Negative
O D. Undefined
Answers
Answer:
B
Step-by-step explanation:
I need help I feel like it's right but then again I get confused on these
Answers
Answer:
Ye im pretty sure your right
Step-by-step explanation:
please help it's the SLOPE
Answers
Answer:
3/2
Step-by-step explanation:
do rise over run
rise is 3
run is 2
3/2
hope this helps <3
Answer:
slope is 1.5
Step-by-step explanation:
slope=rise over run
3/2=1.5
look at point
(1,-3) then go up 3 and right 2
lands in point
(3,0)
Solve for x in the equation x2 + 4x-4-8.
O x= -6 or x = 2
O x=-2+2V2
O x = -2 or x = 6
O x=2+25
Answers
Answer:
O x = - 6 or x = 2
Step-by-step explanation:
x² + 4x - 4 - 8 = 0
x² + 4x - 12 = 0
x² + 6x - 2x - 12 = 0
x(x + 6)x - 2(x + 6) = 0
(x + 6) (x - 2) = 0
x + 6 = 0 or x - 2 = 0
x = - 6 or x = 2
Thus, x = - 6 or x = 2
-TheUnknownScientist
I will will give brainliest to whoever answers correct
(Please I need this ASAP )
Answers
Answer:
1=3.5 2=10/3
Step-by-step explanation:
they pass each other at the point (3.5,3).
if you find the exact form for both equations you get 10/3 for both
Choose a system and make a case for why you would
or would not choose to solve that system by substitution
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Answer:
The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other.
Step-by-step explanation:
9. Which graph can be used to find the solution to the system of equations?
y = x-1
9y = 6x – 15
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What is the common ratio for the sequence 1, 4, 16, 64,..? Help plzzzzz
Answers
Step-by-step explanation:
there is no step by step it is just 4 the answer is 4
I will make you brainliest if correct. please explain how you got it if you can
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[tex]\frac{1}{2} w -5\ \textless \ -2[/tex]
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answer answer now please
Answers
Answer:
Well we can't answer it because you have to draw it on the graph
Step-by-step explanation:
I will make you brainliest if correct. explain how you got it please
Answers
Answer:
Perpendicular
Step-by-step explanation:
Slope of l1=6\9 = 2\3
Slope of l2 =-3\2
perpendicular lines
Answer:
perpendicular
Step-by-step explanation:
l1 slope= 2/3
l2 slope= 3/2
please help i’ll give brainliest please tysm :))
Answers
Answer:
7
Step-by-step explanation:
Multiply the first collum by 7. It's basically unit rates
Answer:
7
Step-by-step explanation:
let the left column be x
let the right column be y
x is being multiplied by 7
so the ratio would be 7x=y
please please help i’ll give brainliest tysm:))
Answers
Answer:
140
Step-by-step explanation:
Answer:
It would be 140!
Step-by-step explanation:
70% Of 200 = 140!
will mark brainliest to whoever can answer
Answers
Answer:
A. 7
Step-by-step explanation:
h(x)=2x + 4
2(7)=14
14+4=18
A top swimmer would be able to swim across a 25-meter pool in about 15 of a minute. How fast can a top swimmer go?
Answers
Answer:
1.66 or 1 and 2/3 fast
Step-by-step explanation:
Answer:
ಠ ,,ಠ
____
Step-by-step explanation:
because earth is round the amount of time it takes to eat a tortilla chip is honey bunches of oats.
