Answer:
50,631
Step-by-step explanation:
Answer:
55,631
Hope it helps!
Match the graph with the inequality
Answer:
I think the first option's right
What does the subtraction of 7 from 9 mean?
Answer:
Step-by-step explanation: -2
The subtraction of 7 from 9 means -2.
What is subtraction?Subtraction is a mathematical operation. Which is used to remove terms or objects in the expression.
Given:
Subtraction of 7 from 9.
The value,
= 7 -9
= -2.
Therefore, the value of an expression is -2.
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A circle representing a pool is graphed with a center at the origin Grant enters the pool a: point A and swims over to a friend who is located at point B OOK B INDI LOKS Which equation represents Grant's path?
The equation representing Grant's path is \(x^2 + y^2 = 100.\)
To determine the equation representing Grant's path, we need to analyze the given information. We are given a circle representing a pool with its center at the origin. Grant enters the pool at point A and swims over to a friend located at point B.
Since the pool is represented by a circle with its center at the origin, we can assume that Grant's path follows the circumference of this circle. The equation of a circle with its center at the origin is given by x^2 + y^2 = r^2, where (x, y) represents a point on the circle and r represents the radius.
To represent Grant's path, we need to determine the radius of the circle. However, the radius is not given in the given information. Without the radius, it is not possible to provide a specific equation for Grant's path.
Therefore, without knowing the radius of the circle or any additional information, we cannot determine the equation representing Grant's path accurately.
So let assume radius 10 cm ,
Given that the radius of the circle representing the pool is 10 cm, we can now determine the equation representing Grant's path.
The equation of a circle with its center at the origin (0, 0) and radius r is given by \(x^2 + y^2 = r^2.\)
In this case, since the radius is 10 cm, the equation representing Grant's path would be \(x^2 + y^2 = 10^2.\)
Therefore, the equation representing Grant's path is\(x^2 + y^2 = 100.\)
This equation represents all the points (x, y) on the circumference of the circle with a radius of 10 cm, which is the path that Grant follows while swimming from point A to point B in the pool.
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Hannah ordered a pizza. it was divided in 8 equal slices. Hannah ate two slices right away and another slice before bed. what friction of the pizza did she eat?
Answer:
3/8
Step-by-step explanation:
8 slices
she ate 2 and then another
3 in total
I need help, please!!! Please help!!
Answer:
Step-by-step explanation:
sacramento
fresno
madera
bakersfield
Hope this helped!
PLEASE HELP!!!!!! It's super urgent!
Answer:
Scalene Triangle
Step-by-step explanation:
To classify the triangle we have to find the lengths of each side.
Side AB
d= √ (−1−(−3))2+(4−2)2√
d= √ (2)2+(2)2
d= √ 4+4
d=√ 8
d=2.828427 approximately 2.8
Side BC
d= √ (3−(−1))2+(−4−4)2
d= √ (4)2+(−8)2
d= √ 16+64
d=8–√0
d=8.944272 approximately 8.9
Side AC
d= √ (3−(−3))2+(−4−2)2
d= √ (6)2+(−6)2
d= √ 36+36
d= √ 7 2
d=8.485281 approximately 8.5
Since no sides are the same length, it is a scalene triangle.
I hope this helps!
Y=2/5x can u give me the answer for y
Answer:
the answer is y=2/5x
Step-by-step explanation:
unless x has a value the answer is already there for you
or this could be a half of a simultaneous equation?
Answer:
It depends on what value you choose for x.
Step-by-step explanation:
You can see from the graph that a line is made up of infinite amount of points. I added a table so that you can see some of the ordered pairs.
4. Let f(x) = 2x³ – 9x² − 38x + 21. - (a) List all possible rational roots of f(x). (b) Factor f(x) completely. (c) Sketch a rough graph of f(x). Make sure the x-intercepts are labeled.
The factored form of f(x) is (2x - 1)(x + 3)(x - 7).
To find the possible rational roots of the polynomial f(x) = 2x³ - 9x² - 38x + 21, we can use the Rational Root Theorem. According to the theorem, the possible rational roots are all the divisors of the constant term (21 in this case) divided by the divisors of the leading coefficient (2 in this case). Let's find the possible rational roots:
(a) Possible rational roots of f(x):
±1, ±3, ±7, ±21
To factor f(x) completely, we can use the possible rational roots obtained in part (a) and perform synthetic division or long division to find the factors. However, in this case, the polynomial is already given, so we can directly factor it:
(b) Factored form of f(x):
f(x) = (2x - 1)(x + 3)(x - 7)
(c) Rough graph of f(x):
To sketch a rough graph of f(x), we can plot the x-intercepts corresponding to the roots we found earlier: x = 1/2, x = -3, and x = 7. Additionally, we can analyze the leading coefficient and the degree of the polynomial to determine the behavior of the graph. Since the leading coefficient is positive and the degree is odd (3 in this case), the graph will start from the bottom left quadrant and go up towards the top right quadrant.
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1. You run for 2.5 hours at a speed no faster than 8.2 miles per hour. You want to run
a marathon, which is 26.2 miles, in less than 3 hours. If you continue to run at the
same speed, will you reach your goal? Explain.
Answer:
no
Step-by-step explanation:
8.2x3=24.6
24.6 < 26.2, so no
please help asap will mark brainliest for correct awnser
Answer:
Option 3
Step-by-step explanation:
If you take a number, times by 8 then add 6. You get the same as if you took the number, times by 3 then subtract 7. What is the number?
I don't say you have to mark my ans as brainliest but if it has really helped u plz don't forget to thank me....
Are these lines perpendicular?
Answer:no there not because they don't make a 90 degree angle
so your answer is no
For the equation y=2x2-16x+30 Identify the vertex and convert into vertex form. Create an inverse function.
Answer:
Vertex: (4, -2)
Vertex form: \(y = 2(x-4)^2 - 2\)
Inverse function: \(y = (16 \pm\sqrt{16+8x})/4\)
Step-by-step explanation:
The x-coordinate of the vertex can be calculated using the formula:
\(x_{vertex} = -b/2a\)
Where a and b are coefficients of the quadratic equation in the form:
\(y = ax^2 + bx + c\)
So, using a = 2 and b = -16, we have:
\(x_{vertex} = 16/4 = 4\)
To find the y-coordinate of the vertex, we calculate y using the x-coordinate of the vertex:
\(y=2*4^2-16*4+30\)
\(y = -2\)
So the vertex is (4, -2)
The vertex form is given by:
\(y = a(x-h)^2 + k\)
Where h is the x-coordinate of the vertex and k is the y-coordinate of the vertex. Therefore, we have that:
\(y = 2(x-4)^2 - 2\)
To create an inverse function, we switch x by y and vice-versa:
\(x=2y^2-16y+30\)
\(2y^2-16y+30 - x = 0\)
Then, using Bhaskara's formula, we have:
\(\Delta = b^2 -4ac = (-16)^2 - 4*2*(30-x) = 16 + 8x\)
\(y = (-b \pm\sqrt{\Delta})/2a\)
\(y = (16 \pm\sqrt{16+8x})/4\)
It's important to say that this inverse function is not really a function, because one value of x gives two values of y.
lucy buys 3 liters of juice how many milliliters does she buys
Answer:
3000 Mililiters
Step-by-step explanation:
1 liter is equal to 1 thousand mililiters!
Write the equation of a circle with radius 9 and center (6, –4) in standard form.
The answer:
(x–6)²+(y+4)²=81
I need help please ASAP !
Answer:
III only
Step-by-step explanation:
lkjhgfdsaasdfghjkjhgf
Answer:
lll only
Step-by-step explanation:
I did a quiz similar to that I hope you make a good grade!
What variables are included in demographics? Which demographic shifts, if any, do you feel will have a noticeable impact on which market in the next 10 years? Justify your answer.
Discuss any of the subcultures of your interest and the unique marketing aspects you have found for that specific subculture by providing an example
Demographics variables include the characteristics of a population, similar as age, gender, race, education, income, occupation, and geographic position.
Demographic shifts can have a conspicuous impact on the request in the coming 10 times. One of the significant demographic shifts is the growing population.
The growing population will have a conspicuous impact on the healthcare request as they need further medical care as they progress.
The growing population also has an impact on the casing request as they're looking to reduce or move to withdrawal communities. Another demographic shift that will have a conspicuous impact on the request is the increase in diversity in the population.
The increase in diversity will impact the food and libation request as different societies have different salutary requirements and preferences. It'll also impact the marketing fashion request as different societies have different fashion styles and preferences.
An illustration of a folklore is the LGBTQ community. The unique marketing aspect of this folklore is the need for addition and acceptance. Companies can reach out to this folklore by featuring LGBTQ individualities in their announcements. An illustration of this is the recent Coca- Cola announcement featuring a same- coitus couple.
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On an exam you get 2 points for each question answered correctly, zero points for each question left blank, and lose one point for each question answered incorrectly. What is your total score on the exam if you answer 22 questions correctly, leave 7 questions blank, and answer 5 questions incorrectly? (work please)
Answer:
39 points.
Step-by-step explanation:
Correct questions: 22*2=44
Blank questions: 7*0=0
Incorrect questions: -1*5=-5
Add all the points up and you get:
44+0-5=
44-5=
39 points
Evaluate the equation: e - 3.1 = 5
A. e = 1.9
B. e = 2.1
C. e = 8.1
D. e = 8.5
Answer:
C. e = 8.1
Step-by-step explanation:
e-3.1= 5
e = 5+3.1
e = 8.1
Jimmy works at a carnival to raise money for his church. He sold chips and sodas. Chips were sold for $1.50 each. Sodas were sold for $1.75 each. Jimmy sold 150 items in total. Of the items sold 2/5 were chips and the remaining items were sodas. How much money did Jimmy raise from the sodas that were sold?
*
10 points
$90.00
$157.50
$43.50
$70.50
Answer:
it's 157.50
Step-by-step explanation:
you divide 150 by 5 . Then you multiple 30 by 3 to get 3/5 of the sales. Then you multiple 90 by 1.75 and you get your answer
X + 2y = 7
2x + y = 5
What’s the substitution
You can subtract 2y from both sides of the first equation and then plug that (x = 7 -2y) into the second one to get:
14 - 4y + y = 5 -->
14 - 3y = 5 -->
-3y = -11 -->
y = 11/3 -->
x = 2/3
Give a real world example of an object/scenario in which a limit would exists Approximate the limit.
Answer:
One real-world example of an object/scenario where a limit exists is the concept of a car approaching a maximum speed.
Let's consider a car accelerating on a straight road. As the car continues to accelerate, there may be physical or engineering limitations that prevent it from reaching an infinite speed. These limitations could be factors like engine power, aerodynamic resistance, or speed limits imposed by laws or safety considerations.
In this case, we can approximate the limit of the car's speed as it approaches the maximum achievable speed. As the car accelerates, its speed increases, but it eventually reaches a point where the increase in speed becomes negligible. At this point, the car is said to have approached its maximum speed or reached its speed limit.
For example, let's say a car is accelerating from 0 km/h and its maximum speed is 200 km/h. As the car accelerates, it gradually gets closer to its maximum speed. At some point, the incremental increase in speed becomes very small, and the car's speed stabilizes around 200 km/h. This indicates that the car has approached its limit or maximum speed.
In this scenario, we can approximate the limit of the car's speed as it approaches 200 km/h. However, it's important to note that the actual limit may depend on various factors and may vary in different real-world situations.
Step-by-step explanation:
A random variable r is normally distributed with a mean of 7 and a standard deviation of 1.5. Find the value of w so that P (8.8
Answer:
The answer is explained below
Step-by-step explanation:
Given that:
mean (μ) = 7 and standard deviation (σ) = 1.5.
The z score is used in statistic used to measure the number of standard deviation by which the raw score is above or below the mean value. It is given by:
\(z=\frac{x-\mu}{\sigma}, where\ x\ is\ the \ raw\ score\)
To find the Probability that x < 8.8, we first find the z score using:
\(z = \frac{x-\mu}{\sigma}=\frac{8.8-7}{1.5}=1.2\)
From the z tables, P(x < 8.8) = P(z < 1.2) = 0.8849 = 88.49%
At a bus station, buses depart at a rate of 4 every 10 minutes. At this rate, how many buses would depart in 1 hour?
Answer:
24 buses.
Step-by-step explanation:
10 minutes equals 4 buses.
There is a total of 60 minutes, so 60 ÷ 10 = 6.
Then 4 × 6 = 24 buses.
In the solution to this system, what is the value of x ? x−5y+2z=0 7x+5y−z=35 8x+9y+z=53: a.3 b.2 c.4 d.-1
In the solution to the given system of equations, the value of x is 3.
To find the value of x, we need to solve the system of equations:
x - 5y + 2z = 0
7x + 5y - z = 35
8x + 9y + z = 53
There are different methods to solve this system, such as substitution or elimination. Let's use the elimination method to find the value of x:
First, we'll eliminate the variable z by adding equations (2) and (3) together:
(7x + 5y - z) + (8x + 9y + z) = 35 + 53
15x + 14y = 88 (equation 4)
Next, we'll eliminate the variable y by multiplying equation (1) by 14 and equation (4) by 5, and subtracting them:
14(x - 5y + 2z) - 5(15x + 14y) = 14(0) - 5(88)
14x - 70y + 28z - 75x - 70y = -440
-61x - 140y + 28z = -440 (equation 5)
Now, we'll eliminate the variable y by multiplying equation (4) by -10 and equation (5) by 14, and adding them:
-10(15x + 14y) + 14(-61x - 140y + 28z) = -10(88) + 14(-440)
-150x - 140y - 854x - 1960y + 392z = -880 + (-6160)
-1004x - 2100y + 392z = -7040 (equation 6)
From equations (5) and (6), we can eliminate z by multiplying equation (5) by 98 and equation (6) by -7, and adding them:
98(-61x - 140y + 28z) - 7(-1004x - 2100y + 392z) = 98(-440) - 7(-7040)
-5978x - 13720y + 2744z + 7028x + 14700y - 2744z = -43120 + 49280
10450y = 61560
y ≈ 5.89
Now, we can substitute the value of y into equation (4):
15x + 14(5.89) = 88
15x + 82.46 = 88
15x ≈ 5.54
x ≈ 0.37
Therefore, the value of x in the solution to the system of equations is approximately 0.37.
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what is this −n+(−4)−(−4n)+6
Answer:
3n + 2
Step-by-step explanation:
\(−n+(−4)−(−4n)+6\)
Open the parentheses
\( - n - 4 + 4n + 6 \\ \)
Add similar elements
\( - n + 4n - 4 + 6 \\ 3n + 2 \\ \)
Answer:
\( - n + 6\)
Step-by-step explanation:
\( - n + ( - 4) - ( - 4n) + 6 = - n - 4n + 4n + 6 = - 5n + 4n + 6 = - n + 6\)
Find the equation of the circle
(x + 2)2 + (y + 5)2 = 4
tve
when it is reflected about y = 2x + 1.
Answer:
2x+4+2y+10=4
2x+2y=4-10-4
2(x+y)=-10
x+y=-10/2
x+y=-5
x+2x+1=-5
3x=-6
x=-6/3
x=-2
I have missing work may someone help me with my math
2)
\(w^2-3,\quad w=4\)When we say that w = 4, it means that we can rewrite the expression and instead of "w", we will put "4", so
\(w^2-3\Rightarrow4^2-3\)Now we have a numerical expression to solve, we can easily solve it!
\(\begin{gathered} 4^2-3 \\ \\ 4\cdot4-3 \\ \\ 16-3 \\ \\ 13 \end{gathered}\)Therefore, the final answer is
\(4^2-3=13\)5)
Here we will do the same thing, the "hard" part is solving the numeric expression, it will be a little bit harder than the 2).
\(3(6m-17),\quad m=5\)Again, repeat the same process, rewrite the expression, and instead of "m" you put "5"
\(3(6m-17)\Rightarrow3(6\cdot5-17)\)Again, another expression to simplify, remember that we always solve what is inside ( ) first, and we have a multiplication inside ( ) so we must solve it first
\(3(6\cdot5-17)=3(30-17)\)Now we solve the multiplication inside ( ) we can do the subctration
\(3(30-17)=3\cdot(13)\)The last step is just to solve another multiplication
\(3\cdot(13)=39\)Now we simplified everything we can have the final answer:
\(3(6\cdot5-17)=39\)6)
Here we have a division, but it's similar with 5) and 2), we have
\(\frac{2a}{3}+13,\quad a=15\)No secrets, repeat the process, but here, "a" will turn into "15", then
\(\frac{2a}{3}+13\Rightarrow\frac{2\cdot15}{3}+13\)We can do the multiplication at the numerator of the fraction
\(\frac{2\cdot15}{3}+13=\frac{30}{3}+13\)Now we can simplify the fraction, 30 divided by 3 is 10, then
\(\frac{30}{3}+13=10+13\)Now just do the sum and it's done!
\(10+13=23\)Hence the final answer is
\(\frac{2\cdot15}{3}+13=23\)ANSWERS:
1) 43
2) 13
3) 67
4) 12
5) 39
6) 23
ABCD is a trapezium.
AB = P
AD = q
DC: AB= 3:2
D
a
A
Р
B
C
a) Write vector DC in terms of p.
E
b) Work out vector BC in terms of p and q.
Give your answer in its simplest form.
Answer:
a) 2/3p
b) q + 1/2p
Step-by-step explanation:
help me pls in math plssss
Answer:
The answer is of this question is 324.