Answers
Answer:
A general linear function can be written as:
y = a*x + b
Where a is the slope and b is the y-intercept (the point at which the line intersects the y-axis).
In this case, we know that the line should intersect the y-axis (the vertical one) at y = 3 (in the point (0, 3))
And the slope is -3, then the equation of the line is:
y = -3*x + 3
To graph this line the general way is to find two points of the line.
So we need to evaluate the function in two different values of x.
In this case, we already know that the line passes through the point (0,3), then we only need to find another point.
To do it, we can just replace the x-value for a value we want, like x = 1
Then the y-value will be:
y = -3*(1) + 3 = -3 + 3 = 0
Then we also have the point (1, 0).
Now that we have two points, we can graph them and draw a line that connects the point, that line is the graph of our linear equation.
An example of this can be seen below.
Related Questions
Need help take your time and thx
Answers
Answer:
(x-4) (x+1)
step by step explanation:,
What is the theme of the poem "Queen of the Cats"?
Answers
Answer:
Isu has a cat named Bashet. This one of the many names of the goddess Bast, queen of cats. He has siamese-type traos; his body has a ply tan ned hair, while his legs, tail, face and ears are so dark brown. Brown gradually blends into the most plida color. The cat just a normal cat, but Isu treats it with special reverence
Step-by-step explanation:
25 Point Reward please help
Answers
Answer:
I think its 75
Step-by-step explanation:
I am honestly not very sure myself but I did really do this
Pls answer i will give brainliest pls
Answers
Answer:
B
Step-by-step explanation:
In the slope intercept equation of the line the number that not multiplies the x or the y indicates where the line intercept the y axis
so in this cas the line intercept the y axis in the point (0,2)
so the answer is B
please answer and explain #17 :)
Answers
Answer:
Solution given:
we have
m<PTQ=m<RTS
x+20=3x+12.
20-12=3x-x
x=
[tex] \frac{8}{2} [/tex]
now
16.m<PTQ=x+20=4+20=24°
17.
again
m<PTR+m<PTQ=180°[supplementary]
so
m<PTR=180°-24°=156° is your answer
Answer:
156°
Step-by-step explanation:
I see you have already found the x so now plug it in.
(4)+20=24
(4)(3)+12= 24
Since they are vertical angles, then they are congruent, thats why they are equal. By now I think you should know that a straight line is equal to 180, so lets take 1 angle to find the missing one.
We can also see that ∠PTR and ∠RTS are also vertical angles, so they are also congruent. So we only use one, 180-24=156
the answer is 156 because ∠PTR and ∠PTQ are in the same line making them supplementary.
Does that make sense?
V + 3 = -V + 25
a. -9
b. 9
c. 11
d. -11
Answers
Answer:
c.11 is coorrect
Step-by-step explanation:
V+3=-V+25
shift same type of variables on one side
V+V=25-3
2V=22
V=22/2
V=11
x - 75 = 200
whats the answer make sure to do a explanation
Answers
Answer:
275
Step-by-step explanation:
x- 75 = 200
add 75 to both sides of equation
x = 275
Pls answerwer for me
Answers
7. You roll a standard dice twice and flip a coin. What is the probability you 5 points
roll a 5, roll a 3 and then flip heads? *
Answers
Answer:
can you just mark me brainlest
Step-by-step explanation:
Answer:
the answer would probably
Step-by-step explanation:
PAY ATTENTION IN CLASS AND YOU WOULD KNOWWW
Permudahkan ungk
8a + 3b - 2a - b
Answers
Answer:
answer:8a + 3b - 2a - b
=8a-2a+3b-b
=6a+2b or 2(3a+b) is your answer
Joyce packed lunches for the Shiloh Football Team. If she packed 75 pounds of bagged lunches. Each bag weighed 1 1/2 pounds. How many lunches did she pack?
50
60
70
80
WILL GIVE BRANLIEST
Answers
Answer:
50
Step-by-step explanation:
total weight=75 pounds
each bag weighed 1 1/2 pound=3/2 pound
no. of lunches=total weight/weight of each lunch
=75/(3/2)
=75*2/3
=50lunches
Answer:
50
Step-by-step explanation:
You need to divide 75 lb by 1 1/2 lb.
[tex] 75 \div 1 \frac{1}{2} = 75 \div \dfrac{3}{2} = \dfrac{75}{1} \times \dfrac{2}{3} = \dfrac{150}{3} = 50 [/tex]
Answer: 50
I
Which ordered pair could you add to the following list of points to
create a function? (3,5) (4, 9) (2,5)
(4, 1)
(2,6)
(3,7
(1,9)
Answers
Answer:
2-6
Step-by-step explanation:
5 673226
What is the volume of a cube with a side length of 2/5 cm?
Answers
What is the volume of a cube with a side length of 2/5 cm? 0.4 cm
Answer:
8/125 cm³
Step-by-step explanation:
(2/5)³=2³/5³
= 8/125 cm³ or 0.064
square root of 2800
Answers
Answer:
52.91 :)
Step-by-step explanation:
GUYS PLEASE ASAP I WILL FAIL IF U GUYS DONT ANSWER PLEASE
WHICH ONE IS INCORRECT
Answers
Answer:
The table
Step-by-step explanation:
The puppy weighs 0.8 pounds at birth not 0
URGENT PLEASE HELP !!!
Answers
Answer:
36
Step-by-step explanation:
AB=AC+BE
AB=10+26
AB=36
If you flip three fair coins, what is the probability that you'll get heads on the first two flips and tails on the
last flip?
Answers
Answer:
1/8
Step-by-step explanation:
Khan Academy
Answer:
1/8
Step-by-step explanation:
Khan Academy
solve: 1/3a²-1/a=1/6a²
Answers
whats
455
x 6
-----------
Answers
Answer:
2730
Step-by-step explanation:
Answer:
2730................:)))))))))))))
Elimination
3x +2y=9
3x ty=0
1
Answers
Answer:
[tex]y = 9[/tex]
[tex]x = -3[/tex]
Step-by-step explanation:
Given
[tex]3x + 2y = 9[/tex]
[tex]3x + y = 0[/tex]
Required
Solve by elimination
To do this, we subtract both equations (to eliminate x)
[tex]3x + 2y = 9[/tex]
- [tex]3x + y = 0[/tex]
--------------------
[tex]3x - 3x + 2y - y = 9-0[/tex]
[tex]y = 9[/tex]
Substitute [tex]y = 9[/tex] in [tex]3x + y = 0[/tex]
[tex]3x + 9 = 0[/tex]
Solve for 3x
[tex]3x =- 9[/tex]
Solve for x
[tex]x = -9/3[/tex]
[tex]x = -3[/tex]
What is mfg angle 130 90 80
fg =
Answers
Answer:
arc FG = 60°
Step-by-step explanation:
arc FG = 360 - 130 - 90 - 80 = 60°
Answer:
FG would be 60 Degrees
Step-by-step explanation:
A circle is equivelent to 360 degrees
find the difference quotient of the rational function, r(t) = -3/t+6
Answers
Answer:
r(t)= -3/t+6
r(t)= -3/6t=6
Answer: the answer is D
Step-by-step explanation:
Just did the assignment rn
What is the equation of the line that passes through the point (-3, 7) and has a
slope of —3
Answers
Answer:
y=-3x-2
Step-by-step explanation:
Equation of a line is y=mx+b, where m is the slope given, -3.
Y=-3x+b
To find b, sub in the points (-3,7) for x and y in the equation
7=-3(-3)+b
7=9+b
-2=b
Researchers investigated whether providing a fancy, foil-wrapped piece of chocolate with the dinner bill would lead to higher tips than not providing such a treat. Sixty-four dinner parties at a restaurant in Ithaca, NY were randomly assigned to receive such a piece of chocolate or not with their dinner bill. Of the 32 parties who received the chocolate, the average tip (as a percentage of the bill) was 17.84%, with a standard deviation of 3.06%. Of the 32 parties who did not receive the chocolate, the average tip (as a percentage of the bill) was 15.06%, with a standard deviation of 1.89%. Determine a 96% confidence interval for the size of the difference in average tips between the two groups
Answers
Answer:
The 96% confidence interval for the size of the difference in average tips between the two groups is (1.47%, 4.09%).
Step-by-step explanation:
Before building the confidence interval, we need to understand the central limit theorem and subtraction of normal variables.
Central Limit Theorem
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
Subtraction of normal variables:
When we subtract normal variables, the mean is the subtraction of the means while the standard deciation is the square root of the sum of the variances.
Of the 32 parties who received the chocolate, the average tip (as a percentage of the bill) was 17.84%, with a standard deviation of 3.06%.
This means that:
[tex]\mu_{C} = 17.84, s_{C} = \frac{3.06}{\sqrt{32}} = 0.541[/tex]
Of the 32 parties who did not receive the chocolate, the average tip (as a percentage of the bill) was 15.06%, with a standard deviation of 1.89%.
This means that:
[tex]\mu_{NC} = 15.06, s_{NC} = \frac{1.89}{\sqrt{32}} = 0.3341[/tex]
Difference in average tips
The distribution has mean:
[tex]\mu = \mu_{C} - \mu_{NC} = 17.84 - 15.06 = 2.78[/tex]
Standard deviation:
[tex]s = \sqrt{s_{C}^2 + s_{NC}^2} = \sqrt{0.541^2 + 0.3341^2} = 0.6358[/tex]
96% confidence interval
We have that to find our [tex]\alpha[/tex] level, that is the subtraction of 1 by the confidence interval divided by 2. So:
[tex]\alpha = \frac{1 - 0.96}{2} = 0.02[/tex]
Now, we have to find z in the Ztable as such z has a pvalue of [tex]1 - \alpha[/tex].
That is z with a pvalue of [tex]1 - 0.02 = 0.98[/tex], so Z = 2.054.
Now, find the margin of error M as such
[tex]M = zs[/tex]
[tex]M = 2.054*0.6358 = 1.31[/tex]
The lower end of the interval is the sample mean subtracted by M. So it is 2.78% - 1.31% = 1.47%
The upper end of the interval is the sample mean added to M. So it is 2.78% + 1.31% = 4.09%
The 96% confidence interval for the size of the difference in average tips between the two groups is (1.47%, 4.09%).
Let g(x)=4x +9 and h(x)=x+2. Find the expression.
(h◦g)(x)
Answers
Since g(x) = 4x + 9, substitution that in
4x + 9 + 2
4x + 11
Solution: 4x + 11
helpphelpphelpphelpphelpp
helpphelpphelpphelpphelpphelpphelpphelpphelpphelpphelpphelpphelpp
Answers
Answer:
wait what?
Step-by-step explanation:
Find the perimeter of quadrilateral ABCD. Round your answer to the nearest hundredth. A(3, 5) B(1, 3) C(3, -1) D(5, 3)
Answers
Answer:
Perimeter = 4(√2 + √5) units
Step-by-step explanation:
Given:
Quadrant of 4 points;
A(3, 5) B(1, 3) C(3, -1) D(5, 3)
Find:
Perimeter
Computation:
Distance = √(x1 - x2)² + (y1 - y2)²
Distance between AB = √(3 - 1)² + (5 - 3)²
Distance between AB = √4 + 4
Distance between AB = 2√2 units
Distance between BC = √(1 - 3)² + (3 + 1)²
Distance between BC = √4 + 16
Distance between BC = 2√5 units
Distance between CD = √(3 - 5)² + (-1 - 3)²
Distance between CD = √4 + 16
Distance between CD = 2√5 units
Distance between DA = √(5 - 3)² + (3 - 5)²
Distance between DA = √4 + 4
Distance between DA = 2√2 units
Perimeter = sum of all sides
Perimeter = 2√2 + 2√5 + 2√2 + 2√5
Perimeter = 4√2 + 4√5
Perimeter = 4(√2 + √5) units
Write the expanded form 38.65 in a decimal form
Answers
Answer:38.65 = 30 + 8 +6/10+5/100
Step-by-step explanation:
PLEASE HELP I WILL GIVE BRAINLY I PROMISE AND NO LINKS PLEASE :)))))))))))A gardener made a scale drawing of a lawn with a scale
factor of 1:8. The dimensions of his drawing are 9 inches
long by 5 inches wide. His partner plans to make another
scale drawing of the lawn, but with a scale factor of
1:16.
What are the dimensions of this scale drawing?
Answers
Answer:
c the length is 4.5 inches width is 2.5
Step-by-step explanation:
Answer:
The anwser would be C !! The length is 4.5 inches width is 2.5 !
Step-by-step explanation:
Hope this helped!! :D
Your employer offers a retirement plan which pays 8.5% compounded monthly. If
you deposit $420 / month for 47 years into this retirement plan, how much money
will you have in this account 47 years from now?
Answers
Answer:$19,740
Step-by-step explanation:
Hope its right.
