Answer:
y= 1/2x -5/2
hope this is right
Lazar drives to work every day and passes two independently operated traffic lights. The probability that both lights are green is 0.41. The probability that the first light is green is 0.59. What is the probability that the second light is green, given that the first light is green
The probability that the second light is green, given that the first light is green, is 0.695 or approximately 69.5%.
We can use Bayes' Theorem to find the probability that the second light is green, given that the first light is green. Let G1 and G2 denote the events that the first and second lights are green, respectively. Then we have:
P(G2 | G1) = P(G1 and G2) / P(G1)
We are given that P(G1 and G2) = 0.41, and P(G1) = 0.59. Substituting these values, we get:
P(G2 | G1) = 0.41 / 0.59 = 0.695
Therefore, the probability that the second light is green, given that the first light is green, is 0.695 or approximately 69.5%.
To answer your question, we will use the conditional probability formula:
P(A and B) = P(A) * P(B|A)
In this case, A represents the first light being green, B represents the second light being green, and P(A and B) is the probability of both lights being green. We are given the following:
P(A and B) = 0.41
P(A) = 0.59
We need to find P(B|A), which is the probability that the second light is green given that the first light is green.
Using the formula, we have:
0.41 = 0.59 * P(B|A)
To solve for P(B|A), divide both sides by 0.59:
P(B|A) = 0.41 / 0.59 ≈ 0.6949
Therefore, the probability that the second light is green, given that the first light is green, is approximately 0.6949.
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Aaron wants to buy sod for his backyard. What is the amount of area he will need to cover? A)14in B)16in C)45.9 in D) 29.9in
Answer:
29.9 inches squared
Step-by-step explanation:
I just took this and got the answer right!!
URGENT HELPPP !!!!!! Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!
Answer:
(8,-3)
Step-by-step explanation:
I just added 1 to the x value and added 2 to the y value because that was the difference between point A and the midpoint of the segment.
Hope this helps!
2. (a. Two power functions are given. Simplify both functions.
f(x) = 5x³.x²
g(x) = (2x)S
(b) Which function grows faster? Explain how you know.
11/1
Both power functions from part a are graphed to the right. Label
each function on the graph. Explain how you know which is which.
19
Part a:
f(x) = 5x^3 * x^2 = 5x^5
g(x) = (2x)^8 = 2^8 * x^8 = 256x^8
Part b: Function g(x) grows faster. This is because it has a higher exponent (8 vs 5). The higher the exponent, the faster a power function grows.
Part c: Graph explanation:
The steeper curve is g(x) because it has the higher exponent. As a power function's exponent increases, its slope gets steeper.
Therefore, the gentler curve is f(x), which has the lower exponent of 5.
So in summary:
a) The simplified power functions are:
f(x) = 5x^5
g(x) = 256x^8
b) Function g(x) grows faster due to its higher exponent of 8 compared to f(x)'s exponent of 5.
c) On the graph:
The steeper curve is g(x), which has the higher exponent.
The gentler curve is f(x), which has the lower exponent.
Hope this explanation makes sense! Let me know if you have any other questions.
help me please with this math
Can Corresponding Angles be Supplementary?
Yes, corresponding angles can be supplementary.
In geometry, two angles are considered supplementary if they add up to 180 degrees. In other words, if two angles have a sum of 180 degrees, they are called supplementary angles.
When two parallel lines are cut by a transversal, corresponding angles are angles that lie in the same relative position and are on the same side of the transversal line. These angles are found at the same relative distance from the two lines, meaning they are congruent.
So, if two parallel lines are cut by a transversal, and the corresponding angles are congruent, then it is possible for them to be supplementary as well. This is because if two angles are congruent, then they must have the same measure.
And if they have the same measure, then their sum will always equal to double the measure of either angle, which would make them supplementary.
In conclusion, corresponding angles can be supplementary if they are congruent.
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Jayce wants to buy a tancy bike today, the first of the month, which is priced at the non-regotint amount of \$30,000. Jabce is willing to finance the bike at monthly rate of 1% and to muke monthly payments of $500 at the end of each month for 5 years. Find the down payment/
The down payment for Jayce to purchase the tancy bike today would be $7,440.
To find the down payment, we need to calculate the total amount that Jayce will finance for the tancy bike.
The tancy bike is priced at $30,000. Jayce will make monthly payments of $500 for 5 years, which is equivalent to 60 months. The monthly interest rate is 1% or 0.01.
We can use the present value formula to determine the financed amount:
Financed amount = (Monthly payment * (1 - (1 + interest rate)^-number of months)) / interest rate
Substituting the values into the formula:
Financed amount = ($500 * (1 - (1 + 0.01)^-60)) / 0.01
Financed amount = ($500 * (1 - 0.5488)) / 0.01
Financed amount = ($500 * 0.4512) / 0.01
Financed amount = $22,560
The down payment is the difference between the price of the bike and the financed amount:
Down payment = Price of the bike - Financed amount
Down payment = $30,000 - $22,560
Down payment = $7,440
Therefore, the down payment for Jayce to purchase the tancy bike today would be $7,440.
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IF a=5 b=-3 c=4 what is 1] 3a +2b 2]4c + 3b 3]a+b+c
Step-by-step explanation:
1.
\(3(5) + 2( - 3) = 15 - 6 = 9\)
2.
\(4(4) + 3( - 3) = 16 - 9 = 7\)
3.
\(5 + ( - 3) + 4 = 6\)
i need the answer asap lol..
Answer:
144
Step-by-step explanation:
sense you have the line in the triangle you would add that to the 16 (length) and multiply that by the 6 (hight) and that would be the area (144)
In the Pennsylvania Cash 5 lottery, winning the top prize requires that you select the correct five different numbers between I and 43 (in any order). What is the probability of winning the top prize? Express the answer as a fraction.
The probability of winning the top prize in the Pennsylvania Cash 5 lottery is: (43! / (5! * 38!)) / (43! / (5! * 38!)) = 1/C(43,5) = 1/69,096.
Probability is a measure of how likely an event is to occur. In the case of the Pennsylvania Cash 5 lottery, we can use probability to determine the chances of winning the top prize.
To win the top prize in the Pennsylvania Cash 5 lottery, a player must select the correct five different numbers between 1 and 43 (in any order). To calculate the probability of this happening, we use the formula: probability = (number of favorable outcomes) / (number of total outcomes).
The number of favorable outcomes is the number of ways that the five correct numbers can be selected from the 43 available numbers. Since the order of the numbers does not matter, this is known as a combination, and the formula for finding the number of combinations is: C(n,r) = n! / (r! * (n-r)!), where n is the total number of options (43) and r is the number of options to choose (5). This simplifies to 43! / (5! * 38!).
The number of total outcomes is the number of ways that any five numbers can be selected from the 43 available numbers, which is also a combination and can be calculated using the same formula: C(43,5) = 43! / (5! * 38!).
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Which number is irrational?
Answer:
4.12
Step-by-step explanation:its 4.12 because all except it are in fraction form and irrational numbers cant be in fraction.
Write an equation of the parabola in vertex form that passes through (0, -24) and has vertex (-6,-12)
Answer:
f(x)=-2(x+6)-12
Step-by-step explanation:
so the easiest one to do would be vertex form
f(x)=a(x-h)+k
so your vertex represents (h, k)
so plug in those values
f(x)=a(x- - 6) -12
now use the other point to solve for a
-24=a(0+6)+12
-24=6a+12
-12=6a
-2=a
NEED HELP NEED HELP please if you know show me how you got the answer
Answer:
It says to Graph y = 1/2x - 4
So equation y = 1/2x - 4
this corresponds to slope intercept form which is y = mx + b
M = slope = rise / run
B = y - intercept
First, start at the origin, (0,0)
Then go down 4, you should now be on the coordinate (0,4)
Now we need to use the slope.
The slope is 1 / 2, this means rise 1, run 2 (in this case 2 to the right because it is positive)
So, start at (0 , 4) and go up 1 unit then 2 to the right, then place a dot, keep repeating until you meet the end of the paper.
Then do the opposite so that you can graph the other side.
Down 1 and 2 to the left.
Answer:
Graph Points (0.-4) and (8,0) and connect the dots into a line
Step-by-step explanation:
To graph y=1/2x-4 you will need to find the y and x-intercept. To find an intercept you have to substitute the x and y variables with 0 one at a time. I first substitute the x variable with an 0 and got the equation y=-4 so my y-intercept is (0.-4). Then I substituted the y variable with 0 and got 0=1/2x-4, I added 4 on each side to get rid of it and got 4=1/2x. I then multiplied both sides by 2 to get the x by itself and got 8=x so my x-intercept is (8,0). Whenever your graphing slope-intercept form equations just find the y and x-intercepts, graph them, connect the dots.
Hope this helps you
find the volume of the figure
Answer:
252 mi
Step-by-step explanation:
volume= L x W x H
9x 7 x 4 = 252 mi
consider the quadratic function y equals short dash x squared plus 6 x minus 5. what do we know about the graph of this quadratic equation, based on its formula?
Based on the formula of the quadratic function y=-x^2+6x-5, we know that its graph is a downward-facing parabola that opens wide, with a vertex at (3,-14), and an axis of symmetry at x=3.
Based on the formula of the quadratic function y=-x^2+6x-5, we can determine several properties of its graph, including its shape, vertex, and axis of symmetry.
First, the negative coefficient of the x-squared term (-1) tells us that the graph will be a downward-facing parabola. The leading coefficient also tells us whether the parabola is narrow or wide. Since the coefficient is -1, the parabola will be wide.
Next, we can find the vertex using the formula:
Vertex = (-b/2a, f(-b/2a))
where a is the coefficient of the x-squared term, b is the coefficient of the x term, and f(x) is the quadratic function. Plugging in the values for our function, we get:
Vertex = (-b/2a, f(-b/2a))
= (-6/(2*-1), f(6/(2*-1)))
= (3, -14)
So the vertex of the parabola is at the point (3,-14).
Finally, we know that the axis of symmetry is a vertical line passing through the vertex. In this case, it is the line x=3.
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One of the factors of x2 + 3x – 10 is
Answer:
(x - 2) or (x + 5)
Step-by-step explanation:
Step 1: Write quadratic
x² + 3x - 10
Step 2: Factor
(x - 2)(x + 5)
Answer: x2 + 3x – 10= (x+5)⋅(x−2)= -6
so x=-6
Step-by-step explanation: "x2" was replaced by "x^2".
Factoring x2+3x-10
The first term is, x2 its coefficient is 1 .
The middle term is, +3x its coefficient is 3 .
The last term, "the constant", is -10
Step-1 : Multiply the coefficient of the first term by the constant 1 • -10 = -10
Step-2 : Find two factors of -10 whose sum equals the coefficient of the middle term, which is 3 .
-10 + 1 = -9
-5 + 2 = -3
-2 + 5 = 3
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -2 and 5
x2 - 2x + 5x - 10
Step-4 : Add up the first 2 terms, pulling out like factors :
x • (x-2)
Add up the last 2 terms, pulling out common factors :
5 • (x-2)
Step-5 : Add up the four terms of step 4 :
(x+5) • (x-2)
Which is the desired factorization
so (x + 5) • (x - 2)= x=-6
A rental car company charges prices based on the number of days
you rent the car. If you only rent it for up to 4 days, it will cost a flat
fee of $50 plus $25 per day rented. If you rent it for more than 4
days, they only charge you a flat fee of $45 and $20 per day rented.
How much will you owe if you rent the car for 7 days?
Using linear equations, A rental car company charges prices based on the number of days you rent the car will charge $185 if you rent the car for 7 days.
What is a linear equation?A linear equation is an algebraic equation of the form y=mx + b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) component are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."
Let us consider the number of days = x
The equation when number of days(x) <= 4,
⇒ $50 + $25x1 = y1
If the car is rented for more than 4 days, (x>4)
⇒ $45 + $20x2 = y2
Now, we are to calculate the rent for 7 days,
which equals,
y2 = $45 + $20x2
for x2 = 7,
y2 = $45 + $20 × 7
⇒ 45 + 140
⇒ $185
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What is the value of x?
The value of x in the diagram is 9
What is an equilateral triangle?equilateral triangle is a triangle that has all its sides equal in length. Since the three sides are equal therefore the three angles, opposite to the equal sides, are equal in measure. Therefore, it is also called an equiangular triangle, where each angle measure 60 degrees. Just like other types of triangles, an equilateral triangle also has its area, perimeter and height formula
From the diagram all the sides are equal which means it is an equilateral triangle in which each angle is equal to 60°
To find x,
7x -3 = 60
7x = 60 + 3
7x = 63
x = 63/7
x = 9
In conclusion the value of x is 9
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which of the three curves drawn matches the graph of y = 2x 2 + x?
Answer:
y= 0 1 2 3 4
Step-by-step explanation:
just minus 2 by all of the numbers from x
give me an example of an irrational number that is greater than 10
To find:
An irrational number that is greater than 10.
Solution:
Irritation number: It cannot be expression in the form of \(\dfrac{p}{q}\), where, \(q\neq 0, p,q\) are integers.
For example: \(\sqrt{2}\sqrt{3},\pi, 1.263689...,etc.\).
We know that square of 10 is 100. So, square root of any prime number is an example of an irrational number that is greater than 10.
First prime number after 100 is 101.
Required irrational number \(=\sqrt{101}\)
Therefore, \(\sqrt{101}\) is an irrational number that is greater than 10.
Peter watches 345 more American movies than Chinese movies. the ratio of Chinese movies to American movies is 4:7 . how many American movies does Peter watch?
Peter watches 805 American movies and 460 Chinese movies.
Let x represent the number of American movies and y represent the number of Chinese movies and let z represent the total number of movies.
Since he watches 345 more American movies than Chinese movies. Hence:
x = y + 345
x - y = 345 (1)
Also:
x + y = z
x + y - z = 0 (2)
The ratio of Chinese movies to American movies is 4:7. Hence:
(4/11)z = y
-y + (4/11)z = 0 (3)
Solving equations 1, 2, and 3, simultaneously gives:
x = 805, y = 460 and z = 1265
Hence, Peter watches 805 American movies and 460 Chinese movies.
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a community center has an L shaped pool that is 10 feet deep , what is the volume of the pool?
Answer: 1040 cubic feet i think
Step-by-step explanation:
a parejas, resuelvan los siguientes problemas. En dos localidades hay habitantes que hablan una len- distinta al español: en El Cerrito son 3 de cada 4, mientras que en El Paseo son 5 de cada 7. gua a) ¿En cuál de las dos localidades hay un número ma- yor de hablantes de una lengua distinta al español? b) ¿De cuánto es la diferencia entre las dos localidades?
The difference between the two localities is 1 speaker.
Let's solve the problems step by step:
a) To determine which of the two locations has a higher number of speakers of a language other than Spanish, we need to compare the ratios of speakers in El Cerrito and El Paseo.
In El Cerrito, 3 out of every 4 people speak a different language than Spanish. This can be written as a ratio: 3:4.
In El Paseo, 5 out of every 7 people speak a different language than Spanish. This can be written as a ratio: 5:7.
To compare the two ratios, we can find a common denominator. In this case, the least common multiple of 4 and 7 is 28.
In El Cerrito, the ratio becomes 21:28 (multiplying both sides by 7).
In El Paseo, the ratio becomes 20:28 (multiplying both sides by 4).
From the ratios, we can see that in El Cerrito, there are 21 out of 28 people who speak a different language than Spanish, while in El Paseo, there are 20 out of 28 people who speak a different language than Spanish.
Since 21 is greater than 20, El Cerrito has a higher number of speakers of a language other than Spanish.
b) The difference between the two localities can be calculated by subtracting the number of speakers in El Paseo from the number of speakers in El Cerrito.
In El Cerrito, there are 21 speakers of a different language than Spanish.
In El Paseo, there are 20 speakers of a different language than Spanish.
The difference is obtained by subtracting 20 from 21, resulting in a difference of 1 speaker.
Therefore, the difference between the two localities is 1 speaker.
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Cindy's little brother is building a cabin with legos. He finds that he is missing three green legos. He does NOT want to fill in that gap with another color. If he had 42 green legos, write the ratio of green legos to missing legos.
Answer:
The ratio of green legos to missing legos is:
42 : 3
Simplifying this ratio by dividing both sides by 3, we get:
14 : 1
Therefore, for every one missing green lego, there are 14 green legos.
What is the slope of this graph?
A. 3/4
B. -3
C. 4
D. -3/4
Answer:
3/4
Step-by-step explanation:
m=rise/run
rise=3
run=4
hope this helps :3
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Plot 213, −56, and −312 on the number line.
Answer:
Step-by-step explanation:
Plot 213, −56, and −312 on the number line.
Franco has decorating ribbon that is 18 3/4 feet long to be used for gift packages
PART A
Each package requires 2 1/2 feet of ribbon. Which solution shows how many packages Can Franco can decorate with his ribbon?
Answer:
D!
Step-by-step explanation:
What is 604.2978 in the hundredths place?
Answer: 604.30
Step-by-step explanation:
You round it two to the right and add the number to the left by one every time the number is over 5.
8x - 3 /AX 4x + 3 When angles form a linear pair, their sum is 180°. 8x - 3+ 4x + 3 = 180 [?]x + [] = 180
Answer:
12x + 0 = 180x = 15Step-by-step explanation:
You are given the equation 8x -3 +4x +3 = 180 and asked to simplify it and solve for x.
SimplifiedCollecting terms, we have ...
(8 +4)x +(-3 +3) = 180
12x + 0 = 180
Dividing by the coefficient of x gives ...
x = 180/12 = 15
The value of x is 15.
Which equation could be used to solve for the value of n if n + 2 = 6? 2 + 6 = n 2 – 6 = n 6 + 2 = n 6 – 2 = n
Answer:
6-2=4
Step-by-step explanation:
you just subtract the 2 from it so this is a equation that works