Answer: -4
Step-by-step explanation: Hello! :) To get started we need to use the equation 7x+3=4x-9, First, we need to subtract 4x from both sides to get 3x+3=-9, then we need to subtract 3 on both sides to get 3x=-12, Finally, we need to divide both sides by 3 to get x = -4. So x = -4.
Hope this helps!
Please consider marking Brainliest I am 1 away from 50!
Please anyone help!!
Answer:
the answers -49
Step-by-step explanation:
Ms. Pacheco wrote the following expression. [7 x (4 + 11)] - 9 What is the value of the expression?
Answer: 105x-9
Step-by-step explanation:
Sorry love don’t feel like typing the explanation! :(
let e be the event where the sum of two rolled dice is less than or equal to 99. list the outcomes in ecec.
It is not possible for the sum of two rolled dice to be greater than 12. The maximum sum possible is 12 when both dice roll a 6. Therefore, the event e where the sum of two rolled dice is less than or equal to 99 is the entire sample space of possible outcomes when rolling two dice.
Based on the terms given, your question pertains to the event "e" which involves rolling two dice and obtaining a sum less than or equal to 99. Since the maximum sum you can get from rolling two dice (each with six faces) is 12 (6+6), all possible outcomes of rolling two dice will result in a sum less than or equal to 99. Therefore, the outcomes in event "e" are all combinations of rolling two dice, represented as (die1, die2):
Your answer: (1,1), (1,2), (1,3), (1,4), (1,5), (1,6), (2,1), (2,2), (2,3), (2,4), (2,5), (2,6), (3,1), (3,2), (3,3), (3,4), (3,5), (3,6), (4,1), (4,2), (4,3), (4,4), (4,5), (4,6), (5,1), (5,2), (5,3), (5,4), (5,5), (5,6), (6,1), (6,2), (6,3), (6,4), (6,5), (6,6).
Visit here to learn more about equal brainly.com/question/12323068
#SPJ11
for a given value of x, the function f will output a value y that satisifies the following equation. 4x-5y=20 write the formula for f(x) in terms of x
According to the given information the formula for f(x) in term of x is f(x) = (4/5)x - 4.
What is a function, exactly?A function is a relationship between a number of inputs and outcomes. Simply described, a function is an association between inputs where each input is linked to exactly one output. There is a range, codomain, as well as domain for every function. A function is commonly referred to as f(x), where x is in fact the input.
How can a math function be identified?When looking at a graph, we use a procedure known as the Vertical Line Test to determine whether a function is indeed a function. Simply drawing a vertical line will reveal if the graph is a function if it touches it once.
4x - 5y = 20
Subtracting 4x from both sides
-5y = -4x + 20
Dividing 5 from the both sides
y = (4/5)x - 4
The formula for f(x) in terms of x is:
f(x) = (4/5)x - 4
To know more about function visit:
https://brainly.com/question/18959115
#SPJ1
one gold nugget weighs 0.008 ounces. a second gold nugget weighs 0.8 ounces. how many times as much as the first nugget does the second nugget weigh? how many times as much as the second nugget does the first nugget weigh
Therefore , the solution of the given problem of unitary method comes out to be it weighs 0.01 times as much as the first nugget.
An unitary method is what?This common convenience, already-existing variables, or all important elements from the original Diocesan customizable survey that followed a particular event methodology can all be used to achieve the goal. If it does, there will be another chance to get in touch with the entity. If it doesn't, each of the crucial elements of a term proof outcome will surely be lost.
Here,
We can divide the weight of the second nugget by the weight of the first nugget to determine how many times as much the second nugget weights the first:
=> 0.8 oz / 0.008 oz = 100
The second piece is therefore 100 times heavier than the first.
We can divide the first nugget's weight by the second nugget's weight to determine how much the first nugget weights in relation to the second nugget:
=> 0.008 oz /0.8 oz = 0.01
In other terms, the second nugget weighs 100 times as much as the first nugget, or it weighs 0.01 times as much as the first nugget.
To know more about unitary method visit:
https://brainly.com/question/28276953
#SPJ1
How do I do this please
Answer:
The slope is "Undefined."
Step-by-step explanation:
Slope is the Rise/Run. The Run for a vertical line in 0. All values of y are possible. The the slope is (Infinite/0). Division by zero is not allowed in mathematics, so the slope is "undefined."
An airline tracks the time an airplane is parked unloading and loading passengers. The line plot displays the amount of time a number of airplanes were parked on one day. If the total amount of time were divided equally among all the airplanes, how long would each airplane have been parked? Amount of Time Planes are Parked A. B. C. D.
Answer:
It was A 4/7
Step-by-step explanation:
please i need help asap!!!!
Step-by-step explanation:
\( {b}^{2} = {16}^{2} + {12}^{2} \\ {b}^{2} = 256 + 144 \\ b = 20\)
how many times the destiny of helium is the destiny of hydrogen chloride
Answer:
If you mean by density then the density of hydrogen is approximately 20 times the density of helium.
suppose the number of hours of sleep students get per night has a unimodal and symmetric distribution with a mean of 7 hours and a standard deviation of 1.5 hours. approximately what percent of students sleep more than 8.5 hours per night?
Approximately 34% of people sleep more than 8.5 hours per night.
According to the Empirical Rule states for a normally distributed random variable: 68% of the measures are within 1 standard deviation of the mean, 95% of the measures are within 2 standard deviations of the mean and 99.7% of the measures are within 3 standard deviations of the mean. According to the question, Mean = 7 and Standard deviation = 1.5. Also, in the question the normal distribution is symmetric, which means that 50% of the measures are below the mean and the rest 50% are above the mean. Now, the mean is 7 and 8.5 is 1 one standard deviation above the mean. So, by the Empirical Rule, of the 50% of the measures that are above the mean, 68% are within 1 standard deviation of the mean (more than 8.5 hours). So, we get
0.5*0.68 = 0.34 which is equal to 34%.
Learn more about Standard Deviation at:
brainly.com/question/16975695
#SPJ4
Q2. A firm is currently using 12 machines, each machine is capable of producing 100 units of output. It anticipates that by the end of the year, 3 of its machines will wear out. - If it expects to sell 1600 units next year, how many machines will it buy?
why in future may fewer machines be needed tp produce the same output
Answer: 7
Step-by-step explanation:
Use the English and matric equivalents provided at the right, along with dimensional analysis, to convert the given measurement to the unit indicated. English and Metric Equivalents 30 dm to in 1 in 2.54 cm 1 ft 30.48 cm 1 yd 0.9 m 1 min 0.6 km In the English system, 30 dm is equivalent to (Round to the nearest hundredth as needed)_____ in
The 30 dm is equivalent to 118.11 in in the English system.
How we convert 30 dm to inches using dimensional analysis?We know that 1 in = 2.54 cm and 1 cm = 0.1 dm. So, we can set up the following dimensional analysis:
\(30 dm × (10 cm / 1 dm) × (1 in / 2.54 cm) = 118.11 in\)
The first step in converting 30 dm to inches is to use dimensional analysis, which involves multiplying the given quantity by conversion factors that cancel out the original units and replace them with the desired units.
Using the given equivalencies, we can set up the following calculation:
\(30 dm × (10 cm / 1 dm) × (1 in / 2.54 cm) = 118.11 in\)
In this calculation, the first conversion factor cancels out the units of cm and replaces them with in, while the second conversion factor cancels out the units of dm and replaces them with cm. The resulting answer is rounded to the nearest hundredth to give 118.11 in.
Learn more about Dimensional analysis
brainly.com/question/4992487
#SPJ11
Graph the system of equations on your graph paper to anwser the question.
Y=-x+3
Y=x+5
Whats the solution for this system of equations?
Enter your anwser in the boxes.
Answer:
The solution is: (-1,4)
Step-by-step explanation:
I used an online graph but you can replicate it onto paper
Purple is Y=-x+3
Black is Y=x+5
Neeeedddd Helpppp Plzzzzz
Answer:
x = 45
x = 19
Step-by-step explanation:
A straight line = 180°
So,
12.
3x + x = 180
4x = 180
---- -----
4 4
x = 45
13.
(5x + 4) + (x - 2) + (3x + 7) = 180
Combine like terms:
(5x + 4) + (x - 2) + (3x + 7) = 180
9x + 4 - 2 + 7 = 180
9x + 9 = 180
-9 -9
------------------
9x = 171
----- -----
9 9
x = 19
Hope this helped.
Answer:
10) x = 45
11) x = 171 / 9
Step-by-step explanation:
10) 3x + x = 180 , x = 45
11) (5x+4) + (x-2) + (3x+7) = 180 , 9x + 9 = 180
9x = 171 , x = 171 / 9
What is the area of the shaded portion of the circle? (16π – 32) in2 (16π – 8) in2 (64π – 32) in2 (64π – 8) in2.
The area of the shaded portion is (16π - 32) in².
What is the area of the circle?The radius of a circle is the distance from the center of a circle to any point on the circle. If you place two radii end-to-end in a circle, you would have the same length as one diameter.
In the picture attached, the circle is shown.
The area of one-quarter of the circle is given by;
\(\rm = \dfrac{1}{4}\times Area\ of \ a \ circle \\\\= \dfrac{1}{4}\times \pi \times radius^2\\\\ = \dfrac{1}{4}\times \pi \times 8^2\\\\= 16\pi \ in^2\)
The area of the triangle is given by;
\(\rm = \dfrac{1}{2} \times base\times height \\\\= \dfrac{1}{2} \times 8\times 8 = 32 \ in^2\)
The area of the shaded portion is;
Shaded area = Area of one-quarter of the circle - Area of the triangle = (16π - 32) in²
Hence, the area of the shaded portion is (16π - 32) in².
To know more about the area of the circle click the link given below.
https://brainly.com/question/6667078
The Ace Bowling Lanes charge $2.25 per game. Rental for
bowling shoes is $1.50 per day. Which formula best describes
the cost C in dollars for renting a pair of shoes and bowling
G games one day?
A
C = 1.50G + 2.25
C
C = 1.50G + 2.25G
B
C = 1.500G + 2.25)
D
C = 2.25G + 1.50
Answer:
i think it would be c= 2.25G + 1.50
Step-by-step explanation:
because say i played two games 2.25(2)+1.50
so if i played 2 games the total cost for todays game would be 6 dollars.
i hope i didnt make this confusing:)
game= G
G=2
6. A popular social media influencer starts wearing beanies every day. What happens to the market for
beanies today?
Circle One:
a. Increase in Supply
b.
Decrease in Supply
c.
Increase in Demand
d. Decrease in Demand
Factor Shifting the curve?
Circle One: Equilibrium price has increased or decreased
58, 72, 74, 92, 84, 40, 74, 81, 76, 83 What was the mean score on Mr. Shenton’s final exam?
Answer: 73.4
Step-by-step explanation:
To find the mean, you add up all your data value then divide the sum by the # of values in the set.
58 + 72 + 74 + 92 + 84 + 40 + 74 + 81 + 76 + 83
= 734
There are 10 numbers in the set.
734 ÷ 10 = 73.4
The mean score on Mr. Shenton's final exam is 73.4
15 m/s in km/h plz help
Answer:
54 km/h
Step-by-step explanation:
Step one:
given data
We are required to perform unit from m/s km/h
from 15m/s to km/h
Step two:
1 meter= 1/1000 km,
1 seconds= 1/3600 hour
1m/s = 1/1000/1/3600= km/h= 3600/1000= 36/10= 18/5 km/h
so of 1m/s is equivalent to 18/5 km/h
then 15m/s is equivalent to x
cross multiply
x= 15*18/5
x= 3*18
x=54 km/h
6:3(3+3)=?
What does it equal
Answer:
12
Step-by-step explanation:
= 6:3(3+3)
= 6/3 x 6
= 12
What is the value of y in the equation 5x 2y = 20, when x = 0.3? 2.5 2.8 9.25 10.75
Answer:
Y = 9.5
(option C)
Please help me out ASAP
Answer:
the answer is b
Step-by-step explanation:
A bag contains 9 tiles, each with a different number from 1 to 9. You choose a tile without looking, put it aside, choose a second tile without looking, put it aside, then choose a third tile without looking. In how many different ways can you choose three tiles
Using the combination formula, it is found that there are 84 ways to choose the three tiles.
The order in which the tiles are chosen is not important, hence the combination formula is used to solve this question.
What is the combination formula?\(C_{n,x}\) is the number of different combinations of x objects from a set of n elements, given by:
\(C_{n,x} = \frac{n!}{x!(n-x)!}\)
In this problem, three tiles are chosen from a set of nine, hence:
\(C_{9,3} = \frac{9!}{3!6!} = 84\)
There are 84 ways to choose the three tiles.
More can be learned about the combination formula at https://brainly.com/question/25821700
in a recent survey, the proportion of adults who indicated mystery as their favorite type of book was 0.325. two simulations will be conducted for the sampling distribution of a sample proportion from a population with a true proportion of 0.325. simulation a will consist of 1,500 trials with a sample size of 100. simulation b will consist of 2,000 trials with a sample size of 50.
The sample size for Simulation A is greater than then the sample size for Simulation B and the variability of Simulation A will be less then the variability of Simulation B.
What is sampling distribution ?
An example of a sampling distribution is a probability distribution of a statistic that is derived from repeated sampling of a particular population.
It depicts a spectrum of potential results for a statistic, such as the mean or mode of a variable, for a population.
Given,
Two simulations will be conducted for the sampling distribution of a sample proportion from a population with a true proportion of 0.325.
Simulation A will consist of 1500 trials with a sample size of 100.
Simulation B will consist of 2000 trials with a sample size of 50.
Center for Simulation A and Simulation B will be roughly equal.
Overall Sample size of Simulation A will be
= 1500 * 100 = 150000
Overall Sample size of Simulation B will be
= 2000 * 50 = 100000
Hence, the sample size for Simulation A is greater than then the sample size for Simulation B and the variability of Simulation A will be less then the variability of Simulation B.
Learn more about sampling distribution
brainly.com/question/30007465
#SPJ4
The complete question is -
In a recent survey, the proportion of adults who indicated mystery as their favorite type of book was 0.325. Two simulations will be conducted for the sampling distribution of a sample proportion from a population with a true proportion of 0.325. Simulation A will consist of 1,500 trials with a sample size of 100. Simulation B will consist of 2,000 trials with a sample size of 50. Which of the following describes the center and variability of simulation A and simulation B?
A) The centers will roughly be equal, and the variabilities will roughly be equal.
B) The centers will roughly be equal, and the variability of simulation A will be greater than the variability of simulation B.
C) The centers will roughly be equal, and the variability of simulation A will be less than the variability of simulation B.
D) The center of simulation A will be greater than the center of simulation B, and the variability of simulation A will roughly be equal to the variability of simulation B.
E) The center of simulation A will be less than the center of simulation B, and the variability of simulation A will be greater than the variability of simulation B.
Azimuth is defined as the angle rotated about the down axis (in NED coordinates) from due north, where north is defined as 0 degrees azimuth and east is defined as 90 degrees azimuth. The LOS (Line of Sight) vector in NED (North, East, Down) for PRN 27 (Pseudo-Random Noise) is
LOSNED = [-4273319.92587693, -14372712.773362, -15700751.0230446]
Azimuth is the angular rotation from due north about the down-axis (in NED coordinates).
with north defined as 0° azimuth and east defined as 90° azimuth. In PRN 27 (Pseudo-Random Noise), the Line of Sight (LOS) vector in NED (North, East, Down) is given by LOSNED = [-4273319.92587693, -14372712.773362, -15700751.0230446].In order to find the azimuth angle in degrees, the mathematical formula for calculating the azimuth angle for a point in NED coordinates should be used.
The angle that the LOS vector creates in the NED frame is the azimuth angle of the satellite. The angle that the LOS vector makes with respect to the North is the azimuth angle.
Using the formula `θ = atan2(East, North)` the Azimuth angle can be calculated. Here the LOS vector can be considered in terms of its North, East, and Down components, represented as LOSNED = [N, E, D].Then the azimuth angle in degrees can be calculated by using the formulaθ = atan2(E, N)where θ is the azimuth angle, E is the East component of the LOSNED vector and N is the North component of the LOSNED vector.
θ = atan2(-14372712.773362, -4273319.92587693) = -109.702°Since this value is negative, it means that the satellite is located west of the observer. Therefore, the satellite is located 109.702° west of true north.Moreover, the north component of the line of sight vector in NED coordinates is -4273319.92587693, the east component is -14372712.773362, and the down component is -15700751.0230446.
To know more about rotation visit:
https://brainly.com/question/1571997
#SPJ11
2. Let f(x) = 2x^2 + x -3 and g(x) = x-1 preform the indicated operation, then find the domain.
(f * g)(x)
a. 2x^3 - x^2 - 4x+3; domain: all real numbers
b. 2x^3 + x^2 - 3x ; domain: all real numbers
c. 2x^3 + x^2 + 4x-3 ; domain: negative real numbers
d. 2x^2+x-3x+3
Answer:
a.
Step-by-step explanation:
for an arithmetic operation on functions you simply apply this operation to the functional expressions :
(2x² + x - 3)(x - 1) = 2x³ - 2x² + x² - x - 3x + 3 =
= 2x³ - x² - 4x + 3
the domain is the range of set of all valid input (x) variable values.
there is no reason to forbid any real number.
so, it is all real numbers.
which of the following statements is/are true based on the graph of the function f (x) = –2^(–x – 2) + 2?
i. As x → [infinity], f (x) → 2.
ii. The x-intercept is (–2, 0).
iii. The function is an example of exponential decay.
a. I only
b. I and II only
c. I and III only
d. I, II, and III
The correct answer is c. I and III only.
Explanation:
i. As x → [infinity], f(x) → 2: This statement is true. As x approaches infinity, the exponential term -2^(-x - 2) approaches 0, and the constant term 2 remains. Therefore, the function approaches 2 as x approaches infinity.
ii. The x-intercept is (-2, 0): This statement is false. To find the x-intercept, we set f(x) = 0 and solve for x:
0 = -2^(-x - 2) + 2
2^(-x - 2) = 2
Taking the logarithm of both sides:
(x + 2) = log2(2)
(x + 2) = 1
x = -3
Therefore, the x-intercept is (-3, 0), not (-2, 0).
iii. The function is an example of exponential decay: This statement is true. The function f(x) = -2^(-x - 2) + 2 is a decreasing function as x increases. As x becomes larger, the exponential term -2^(-x - 2) becomes smaller, causing the function to approach 2, which is the horizontal asymptote. This behavior is characteristic of exponential decay.
In summary, based on the given options, statements i and iii are true, while statement ii is false. Therefore, the correct answer is c. I and III only.
Know more about Asymptote here:
https://brainly.com/question/32503997
#SPJ11
Is ozone harmful to health?
Ozone can be both harmful and beneficial to health, depending on its location in the atmosphere and the levels at which it is present.
In the stratosphere (the layer of the atmosphere that is located about 10-50 kilometers above the Earth's surface), ozone is a beneficial gas that protects life on Earth by absorbing harmful ultraviolet (UV) radiation from the sun. However, at ground level, ozone can be harmful to health, particularly for people with respiratory problems such as asthma.
Exposure to high levels of ozone can irritate the respiratory system and cause coughing, throat irritation, and chest pain. It can also worsen bronchitis, emphysema, and other lung diseases. Ozone can also reduce lung function and inflame the linings of the lungs, leading to more serious health problems.
It is important to note that ground-level ozone is not emitted directly into the air, but is formed when pollutants from sources such as vehicle exhaust, power plants, and industrial facilities react with sunlight and heat.
Therefore, Ozone can be both harmful and beneficial to health.
To learn more about Ozone,
visit; brainly.com/question/14330630
#SPJ4
The projected worth (in millions of dollars) of a large company is modeled by the equation w = 236(1.06) t. The variable t represents the number of years since 2000. What is the projected annual percent of growth, and what should the company be worth in 2011? A. 6%; $448.00 million B. 16%; $474.88 million C. 16%; $250.16 million D. 6%; $422.64 million
Answer:
A. 6%, $448 million
Step-by-step explanation:
a) The base of the exponential term is 1.06, so the projected annual growth is 1.06 -1 = .06 = 6%
__
b) Filling in 11 for t, we find the projected worth to be ...
w = 236(1.06^11) ≈ $448 . . . million
So I havea total of 28.97 the coupon is 15% off whats the discount?
Explanation:
Amount = 28.97
coupo