Answer:
No it does not
Step-by-step explanation:
Step 1:
substitute the point (2,3) into the equation for x and y. You will get 3=3(2)-4.
Step 2:
Check if the equation is true using order of operations
If you multiply 3 and 2 you get 6. Next you subtract 4 to get 2
So we have 3 = 2 which is not correct meaning the point does not lie on the graph of y = 3x-4
Answer:
No.
3 = 2 which is not correct meaning the point does not lie on the graph of y= 3x-4
Step-by-step explanation:
The one of the other user is right.
Good luck <3
I need help with this question please help
Answer:
6, 10, 8 is the correct answer.
Step-by-step explanation:
Given that, the recursive function:
[tex]a_n=a_{n-1}-(a_{n-2}-4)[/tex]
6th term, [tex]a_{6} =0[/tex]
5th term, [tex]a_{5} =-2[/tex]
To find:
First three terms of the sequence = ?
Solution:
Putting n = 6 in the recursive function:
[tex]a_6=a_{5}-(a_{4}-4)\\\Rightarrow 0=-2-(a_{4}-4)\\\Rightarrow 2=-(a_{4}-4)\\\Rightarrow -2=(a_{4}-4)\\\Rightarrow -2+4=a_{4}\\\Rightarrow a_{4}=2[/tex]
Putting n = 5 in the recursive function:
[tex]a_5=a_{4}-(a_{3}-4)\\\Rightarrow -2=2-(a_{3}-4)\\\Rightarrow -2-2=-(a_{3}-4)\\\Rightarrow 4=(a_{3}-4)\\\Rightarrow a_{3}=8[/tex]
Putting n = 4 in the recursive function:
[tex]a_4=a_{3}-(a_{2}-4)\\\Rightarrow 2=8-(a_{2}-4)\\\Rightarrow 2-8=-(a_{2}-4)\\\Rightarrow 6=(a_{2}-4)\\\Rightarrow a_{2}=10[/tex]
Putting n = 3 in the recursive function:
[tex]a_3=a_{2}-(a_{1}-4)\\\Rightarrow 8=10-(a_{1}-4)\\\Rightarrow 8-10=-(a_{1}-4)\\\Rightarrow -2=-(a_{1}-4)\\\Rightarrow 2=a_{1}-4\\\Rightarrow a_{1}=4+2\\\Rightarrow a_{1}=6[/tex]
So, first, second and third terms are 6, 10, 8.
The most you can work 25 hours in a week. Your babysitting job pays $12 per hour and your job at a pizza place pays $8 per hour. You need to earn more than $120 per week to cover your expenses. Write a system of inequalities to model this situation. Then graph it. Give 2 examples of solutions to this system.
Answer:
Hey the answer to your question will be under “Explanation”
Step-by-step explanation:
Here is the work and answer:
(I attached a graph and two examples)
The correct answer to your question is
12b + 8p > 120
3b + 2p > 30
ANSWER: (8,9) (8,10)
Hope this helps! :)
Automobile claim amounts are modeled by a uniform distribution on the interval [0, 10,000]. Actuary A reports X, the claim amount divided by 1000. Actuary B reports Y, which is X rounded to the nearest integer from 0 to 10.Calculate the absolute value of the difference
This is not the complete question, the complete question is:
Automobile claim amounts are modeled by a uniform distribution on the interval [0, 10,000]. Actuary A reports X, the claim amount divided by 1000. Actuary B reports Y, which is X rounded to the nearest integer from 0 to 10.Calculate the absolute value of the difference between the 4th moment of X and the 4th moment of Y
A) 0
B) 33
C) 296
D) 303
E) 533
Answer: B) 33
Step-by-step explanation:
First lets say;
z: automobile claim amounts
x: the claim amount dived by 1000
y: x rounded to the nearest integer from 0 to 10
z ≅ V[0, 10,000]
x = z / 1000 ≅ V[0, 10 ] ⇒ Fx { 1/10, 0 ≤ x ≤ 10} 0, 0/10
y = {0, 0 ≤ x < 0.5
1, 0.5 ≤ x < 1.5
2, 1.5 ≤ x < 2.5
3, 2.5 ≤ x < 3.5
↓
9, 8.5 ≤ x < 9.5
10, 9.5 ≤ x < 10
SO 4th moment of x = E(x²) = ∫₀¹⁰x⁴ 1/10 dₓ
= 1/10 (x⁵ / 5)₀¹⁰
= 10⁵ / (10 * 5)
= 100000/50
= 2000
Now
4th moment of y = E(y⁴) = ∑/y y⁴ p( y=y)
= 0⁴p( y=0) + 1⁴p( y=1 ) + 2⁴p( y=2) + → + 10⁴p( y=10)
= 0 + 1⁴.p( 0.5 ≤ x < 1.5) + 2⁴.p( 1.5 ≤ x < 2.5) + 3⁴.p( 2.5 ≤ x < 3.5 ) + → + 10⁴.p( 9.5 ≤ x < 10 )
= 1/10 [ 1⁴(1.5 - 0.5) + 2⁴(2.5 - 1.5) + → + 9⁴(9.5 - 8.5) + 10⁴(10 - 9.5)]
= 1/10 [ 1⁴ + 2⁴ + → + 9⁴ + 1/2*10⁴] = 2033.3
now the absolute difference will be
AD = ║E(x⁴) - E(y⁴)║
= ║ 2000 - 2033.3║
= 33.3 ≈ 33
Which of the following linear equations passes through points (-1, 5) and (1, -5)? y = -5x y = 5x + 10 y = -2x + 3 None of these choices are correct.
Answer:
y = -5x
Step-by-step explanation:
Which of the following linear equations passes through points (-1, 5) and (1, -5)?
y = -5x
y = 5x + 10
y = -2x + 3
None of these choices are correct.
Solution:
First find slope of equation:
slope, m = (y2-y1) / (x2-x1) = (5-(-5) / (-1-1) = 10/(-2) = -5
Now substitute m in the point slope form to find the y-intercept b
y-y1 = m(x-x1)
y-5 = 5(x- -1)
y = -5(x+1) + 5
y = -5x
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. Penelope has $1,459.75 in her bank account. To pay her bills, she writes 4 checks in the amounts of $200.25, $359.45, $125, and $299.35. Then she deposits $375 into her account. Penelope’s account balance after she pays her bills and makes the deposit is $ .
Answer:
$850.7
Step-by-step explanation:
Penelope has $1459.75 in her account.
She pays different amount that are given above.
i.e.
=1459.75-200.25-359.45-125-299.35
=475.7
Then she deposit $375
Now,
=475.7+375
=850.7
So, She has $850.7 in her account after she pays her bills and makes deposits.
Answer:
$805.7 OwO
Step-by-step explanation:
two cars are traveling down the highway with the same speed if the first car increases its speed by 1km/hr and the other car decreases its speed by 10km/hr,then the first car will cover the same distance in 2hrs as the second car in 3 hrs, what is the speed of the cars
Answer:
Their speed is 32 km/h.
Step-by-step explanation:
Since they're at the same speed, we can assign a variable to their speed called "x". When the first car increases its speed by 1 km/h, its new speed is "x + 1", while the other car decreases its speed by 10 km/h, so its new speed is "x - 10". The distance's formula can be expressed as below:
[tex]\text{distance} = \text{speed}*\text{time}\\[/tex]
With the modifications to their speed, the distance the first car covers in 2 h and the distance the second car covers in 3 h is shown below:
[tex]\text{distance}_{car1} = (x + 1)*2 \\\text{distance}_{car1} = 2*x + 2[/tex]
[tex]\text{distance}_{car2} = \text{speed}*\text{time}\\\text{distance}_{car2} = (x - 10)*3\\\text{distance}_{car2} = 3*x - 30[/tex]
Since the distance covered by them must be the same, we can find the value of x that makes the expressions equal.
[tex]2*x + 2 = 3*x - 30\\2*x - 3*x = -30 -2\\-x = -32\\x = 32[/tex]
Their speed is 32 km/h.
Please help me, tysm if you do :)
The length of a rectangle is 2 cm less than three times the width. The perimeter of the rectangle is 92 cm. Find the dimensions of the rectangle. A. 11, 31 cm
B. 12, 34 cm
C. 12, 38 cm
D. 13, 37 cm
Answer:
B.12.32
Step-by-step explanation:
Let y be the widht of this triangle and x the length of itFrom the first information we can write :
3y-x=2
from the second one :
2y+2x= 92
so our equation are :
3y-x=22y+2x= 92Multiply the first one by 2 then add it to the second one to get rid of x :
6y-2x= 42y+2x+6y-2x= 92+4 8y = 96 y= 12 replace y by 12 to calculate the value of x x= 34PLEASE HELP ME WITH THIS
X is equal to 28
Hope this helps......
can you please help me with this one??? i need clear explanation
Answer:
£228.
Step-by-step explanation:
We know that each tile is 20 cm by 20 cm, which works out to be an area of 400 square cm.
The floor is 3 m by 5 m, which means it is 300 cm by 500 cm. 300 * 500 = 150000 square cm in area.
To find how many tiles are necessary, we need to find out the area of the floor divided by the area of the individual tiles.
150,000 / 400 = 1,500 / 4 = 750 / 2 = 375
So, to cover the floor, you will need 375 tiles.
Since tiles come in boxes of 10, you will need to find what is 375 divided by 10 so you can know how many boxes to buy.
375 / 10 = 37.5
Since you absolutely NEED 375 tiles to cover the floor, you need that half of a box, so you will buy 38 boxes of tiles.
Each box costs £6. 38 * £6 = £228. And that is your total cost!
Hope this helps!
Help Please again ;-;
Answer:
Graph 1 shows a negative correlation, and graph 2 shows a positive correlation. This is because in graph one, as x increases, y decreases, and in graph two as x increases, y also increases.
Can someone please help me I really need help please help me
Answer:
18.87 square cm.
Step-by-step explanation:
The area of the rectangle will be (4 + 4) * 4, since the length of the rectangle would be the diameter of the circle, and the width of the rectangle would be the radius. (4 + 4) * 4 = 8 * 4 = 32 square cm.
Then, we can calculate the area of the semicircle. The area of a circle is pi * r^2, so the area of a semicircle will be half of that. pi * (4^2) / 2 = pi * 16 / 2 = 8pi. 8 * 3.14159265 = 25.1327412 square cm.
The shaded area of the middle of the shape will then be 32 - 25.1327412 = 6.8672588 square cm.
The two triangles will have the same area. Their bases will be 14 minus the diameter of the circle, then divide that by 2 to get each separate base. 14 - 8 = 6 / 2 = 3. The heights of the triangles will be the radius of the circle, or 4 cm.
1/2 * 3 * 4 = 1/2 * 12 = 12/2 = 6. That is the area of one triangle, so the area of both triangles would be 6 * 2 = 12 square cm.
6.8672588 + 12 = 18.8672588, or 18.87 square cm.
Hope this helps!
Answer:
(44 - 8(pi)) cm^2 Exact area
18,9 cm^2 Approximate area
Step-by-step explanation:
The shaded area is the area of the trapezoid minus the area of the semicircle.
area of trapezoid = (b1 + b2)h/2
area of semicircle = (pi)(r^2)/2
The triangles at both sides are right triangles. Each of the horizontal legs has length (14 cm - 8 cm)/2 = 3 cm. Each of the vertical legs is congruent to the radius of the semicircle.
b1 = lower base = 14 cm
b2 = upper base = 14 cm - 3 cm - 3 cm = 8 cm
shaded area = (b1 + b2)h/2 - (pi)(r^2)/2
= (14 cm + 8 cm)(4 cm)/2 - (pi)(4 cm)^2 / 2
= 44 cm^2 - 8(pi) cm^2
= (44 - 8(pi)) cm^2 Exact area
= 18.9 cm^2 Approximate area
If the radius of a coin is 1cm than calculate its area
Answer:
3.14 square cm
Step-by-step explanation:
Since, a coin is circular in shape, hence its area would be equal to the area of a circle.
[tex]\therefore are \: of \: coin = \pi {r}^{2} \\ = 3.14 \times {1}^{2} \\ = 3.14 \times 1 \\ = 3.14 \: {cm}^{2} \\ [/tex]
John couldn't recall the Serial number on his expensive bicycle. He remembered that
there were 6 different digits, none used more than once, but couldn't remember what
digits were used. He decided to write down all of the possible 6 digit numbers from 0 to 9. How many different possibilities will he have to create?
Answer:
151,200
Step-by-step explanation:
The possible set of numbers will be 151200
What is permutation?A permutation is an arrangement of objects in a definite order.
Given that, John want to find his bicycle's number, so he decided to write down all the possible 6-digit numbers from 0 to 9.
Here, we will use permutation to find the possible numbers,
Formula =
ⁿPₓ = n! / (n-x)!
Therefore,
¹⁰P₆ = 10! / (10-6)!
= 10! / 4!
= 10 × 9 × 8 × 7 × 6 × 5 = 151200
Hence, the possible set of numbers will be 151200
Learn more about permutation, click;
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The perimeter of a rectangular field that measures 2 feet by 18 inches is _________ ft. A. 40 B. 7 C. 84 D. 6
Answer:
B. 7
Step-by-step explanation:
David recycles 5 cans every week. Which expression shows the total number of cans he recycles in w weeks?
5w
w over 5
5 + w
5 + 5w
Answer:
A - 5w
Step-by-step explanation:
I don't know how to explain it
TOP GUY MADE A VERY FUNNY JOKE LOL
Use the function below to find Fl-2).
F(x) = 3x
What is the vertex of the graph of this equation y=-4x2 - 16x - 12?
Answer:
(-2,4)
I just turned it in it was right
Step-by-step explanation:
PLEASE MARK BRAINLIEST
y = 5x + 2 3x = –y + 10 What is the solution to the system of equations
Answer:
x = 1 , y = 7
Step-by-step explanation:
Solve the following system:
{y = 5 x + 2 | (equation 1)
3 x = 10 - y | (equation 2)
Express the system in standard form:
{-(5 x) + y = 2 | (equation 1)
3 x + y = 10 | (equation 2)
Add 3/5 × (equation 1) to equation 2:
{-(5 x) + y = 2 | (equation 1)
0 x+(8 y)/5 = 56/5 | (equation 2)
Multiply equation 2 by 5/8:
{-(5 x) + y = 2 | (equation 1)
0 x+y = 7 | (equation 2)
Subtract equation 2 from equation 1:
{-(5 x)+0 y = -5 | (equation 1)
0 x+y = 7 | (equation 2)
Divide equation 1 by -5:
{x+0 y = 1 | (equation 1)
0 x+y = 7 | (equation 2)
Collect results:
Answer: {x = 1 , y = 7
Answer:
D) (1,7)
Step-by-step explanation:
just took the test
The human resources manager at a company records the length, in hours, of one shift at work, X. He creates the
probability distribution below. What is the probability that a worker chosen at random works at least 8 hours?
Probability Distribution
0.7
0.5
0.5
03
0.2
0.1
0
9 hours
10 hours
8 hours
6 hours
7 hours
Х
Answer:
.84
Step-by-step explanation:
The probability that a worker chosen at random works at least 8 hours is 0.84.
What is the probability?Probability can be defined as the ratio of the number of favourable outcomes to the total number of outcomes of an event.
We know that, probability of an event = Number of favourable outcomes/Total number of outcomes.
From the given graph,
Probability of 6 hours = 0.02
Probability of 7 hours = 0.11
Probability of 8 hours = 0.61
Probability of 9 hours = 0.15
Probability of 10 hours = 0.08
The probability of at least 8 hours can be obtained as illustrated below:
P(At least 8 hours) = P(8) + P(9) + P(10)
P(At least 8 hours) = 0.61 + 0.15 + 0.08
P(At least 8 hours) = 0.84
Therefore, the probability that a worker chosen at random works at least 8 hours is 0.84.
To learn more about the probability visit:
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Using opposite operations, rewrite the equation so s2 is on one side of the equation by itself.
Answer:
[tex]S^2= \frac{3V}{H}[/tex]
Step-by-step explanation:
V = 1/3 HS^2
Using opposite operations, rewrite the equation so s2 is on one side of the equation by itself.
Answer: Inverse operations are operations that undo each other that is they result to the original number or variable.
There are different inverse operations like addition and subtraction, multiplication and division, square and square root, cube and cube root.
Given that:
[tex]V=\frac{1}{3}HS^2\\ \\Multiplying\ both \ sides\ by \ 3:\\\\V*3=\frac{1}{3}HS^2*3\\\\3V=HS^2\\\\Dividing \ both\ sides\ by H\\\\\frac{3V}{H}=\frac{HS^2}{H}\\\\ \frac{3V}{H}=S^2\\\\Rearranging\ the \ equation:\\\\S^2= \frac{3V}{H}[/tex]
There are ten people in the Baking Club, including Mark. They choose $3$ people to form an executive committee. How many possible committees can be formed that do not include Mark?
Answer:
504 committees
Step-by-step explanation:
In this scenario, there are 9 choices to choose the first person (not 10 because the committee should not include Mark), 8 choices for the second person and 7 choices for the last person so the answer is 9 * 8 * 7 = 504.
During Thanksgiving, Anna worked 9 and 1/2 hours each day. She earned an hourly wage of $16. If she works all weekdays, how much did she earn in ONE WEEK? Solve the problem. You MUST explain your reasoning.
Answer:760$ in a week because they worked 5 out of 7 days and made 152$ a day
Step-by-step explanation:
9.5 x 16 = $152
152 x 5 (only weekdays)
<!> Branliest is appreciated! <!>
Please Help i am on a time limit!! will give brainliest
Answer:
C. 72 sorry if its wrong
Step-by-step explanation:
trapezoid formula : A= 1/2h(B+b)
plug in:
A= 1/2×6(10+14)
A= 3(24)
A= 72
Caitlyn started collecting shells in 2005. She records how many shells are in her collection each year.
Years since 2005 # shells
0 30
1 39
2 48
3 57
What is the initial value?
0
9
30
57
Answer:
30.
Step-by-step explanation:
The initial value is the value that she starts out with. This means that she is referring to year 0. According to the chart, on year 0, she collected 30 shells.
The answer is 30.
Help!!!! please!!!!!
Answer:
600.6
Step-by-step explanation:
The area of a regular pentagon is the product of the perimeter and the apothem over 2 :
A= (1/2)*P*a= (1/2)*(5s)*a= 0.5*14.3*5.16.8=600.6 cm²
Write an equation of the line that passes through the point (–7, –9) with slope –4.
Answer:
y=-4x+b
-9=-4(-7)+b
b=-9-28
b=-37
y=-4x-37
Step-by-step explanation:
Given the slope and one point on the line we the formula above to find the equation of the line.
in the function y+3=(1/3x)^2, what effect does the number 1/3 have on the graph, as compared to the graph of y=x^2
Answer:
I think the answer is it stretches the graph horizontally by a factor of 3.
Step-by-step explanation:
Answer: it stretches the graph horizontally by a factor of 3
Step-by-step explanation: I got it correct on a-pex
{3x-y=0 sobre 5x+2y=22
Answer:
I graphed the equations on the graph below.
Step-by-step explanation:
The intersection point or the solution of the system of equations is at (2,6).
Answer:[tex]\color{yellow}{}[/tex] The intersection point or the solution of the system of equations is at (2,6).
The solution for the following system of linear equation 3m-2n=13 is (2,-1) true or false
Answer:
Not True
Step-by-step explanation:
>_<
[tex]\text{To find your answer, plug in the values to the equation and solve:}\\\\3(2)-2(-1)=13\\\\\text{Solve:}\\\\3(2)-2(-1)=13\\\\6+2=13\\\\8=13\\\\\text{8 does not equal 13, therefore making the equation FALSE}\\\\\boxed{\text{False}}[/tex]
2. Calculate the length of the altitude h in ABC, given that m
Answer:
To find h the altitude we use sine
sin ∅ = opposite / hypotenuse
From the question
AC is the hypotenuse
h is the opposite
sin 29 = h / 23
h = 23 sin 29
h = 11.1506
h = 11.00mm to the nearest hundredth
Hope this helps you