The missing step in the given solution to the inequality −x − 3 < 13 + 3x is: −4x < 16.
To solve the inequality, we'll perform the necessary steps to isolate the variable x. Let's go through each step:
−x − 3 < 13 + 3x (original inequality)
−4x − 3 < 13 (combine like terms by subtracting 3x from both sides)
−4x < 16 (add 3 to both sides)
At this point, we have −4x < 16 as the inequality, which represents the missing step in the given solution. This step is crucial because it simplifies the inequality further, allowing us to continue solving for x.
To complete the solution, we would divide both sides of the inequality by −4, remembering to reverse the inequality sign because we're dividing by a negative number. However, the missing step provided doesn't show this final division step.
Therefore, the correct missing step is: −4x < 16.
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The area of a rectangle is 110 square units.
Its length measures 11 units. Find the
length of its diagonal. Round to the
nearest tenth of a unit.
We can use the Pythagorean theorem to find the length of the diagonal of the rectangle. The Pythagorean theorem states that the square of the length of the diagonal of a rectangle is equal to the sum of the squares of the lengths of its sides.
How to calculate length of its diagonal ?Let the width of the rectangle be x. Then, we know that:
Area of the rectangle = length x width
110 = 11x
x = 10
So, the width of the rectangle is 10 units.
Using the Pythagorean theorem, we have:
\(Diagonal^{2}\) = \(length^{2}\) + \(width^{2}\)
= \(11^{2}\) + \(10^{2}\)
= 121 + 100
\(Diagonal^{2}\) = 221
Diagonal = sqrt(221)
Diagonal = 14.87 (rounded to the nearest tenth)
Therefore, the length of the diagonal of the rectangle is approximately 14.9 units (rounded to the nearest tenth).
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What is m∠X to the nearest degree
A. 44
B. 36
C. 46
D. 34
Answer:
Step-by-step explanation:
cos(∠X) = adj./hyp.
arccos(adj./hyp.) = ∠X
arccos(13/18) = 43.761...≈ 43°
i seriously cannot standddd those ppl who say "PLLEEEASSSSSSEEEEE HELLPPPPPP MEEEEE IT'S DUE IN 2 MINUTES"
and i'm over here looking like...but whose fault is it that it's due in 2 minutes, and you can't figure it out it's like if you paid better attention to your teacher you'd be able to answer it i'm sure and dontttttt get me STARTED on those kids who use this like a dating website...it's like COME ON DUM-DUM how in the WORLDDDDD do you know that your "bf/gf" is ACTUALLY A CHILD OR THAT WHOEVER THEY CLAIM TO BE IS ACTUALLY THEM like OML some of y'all just have no common sense sheesh ♀️ but since this is an "academic website" i'll ask a question what is ∛-189
answer:
yeah or the people whose questions are literally nothing but a g00gle search away it's like you do know that you're practically wasting your points right? lol
have a nice day!
may i have the brainliest pls (i'm trying to become a genius)
answer to your math question-
-3\(\sqrt[3]{7}\)
**the steps are in the picture**
Isaac factored 8x^2-20x-12 to (8 x+4)(x-3) and claims this is the correct answer because his factored solution simplifies back to the original quadratic expression. is Issac's statement correct? please explain.
If we multiply the second expression by using the distributive property and it matches the first expression, then Isaac is correct.
The distributive property is:
\((a+b)(c+d)=ac+ad+bc+bd\)Let's use this property to multiply out the 2nd expression:
\(\begin{gathered} (8x+4)(x-3) \\ =\mleft(8x\mright)\mleft(x\mright)-\mleft(8x\mright)\mleft(3\mright)+\mleft(4\mright)\mleft(x\mright)-\mleft(4\mright)\mleft(3\mright) \\ =8x^2-24x+4x-12 \\ =8x^2-20x-12 \end{gathered}\)This expression is exactly the same as the original expression. Thus, Isaac is correct.
Answer:
Isaac's statement is correct
1. Annie and her friends are playing a game called Doubles. In the game, a player
rolls two number cubes at the same time. The outcome of each roll is the sum of the
two number cubes. Extra points are scored for rolling doubles the same number
on both number cubes.
-
Part A: Complete this table to show the sample space for each roll in the game. (6
points)
HELP ASAP WILL GIVE BRAINLIEST!!!!
The sample space is a combination of these two dice as we have shown in the attachment
Die A = {1,2,3,4,5,6}Die b = {1,2,3,4,5,6}What is sample space?This is the defined to be the set of all of the possible outcomes that can exist or be possible in a random experiment.
The question has two dice. These dice are made up of numbers from 1 to 6 each.
Die A = {1,2,3,4,5,6}
Die b = {1,2,3,4,5,6}
The sample space would be pairs of two of these two dices. The total number in the sample space would be 36.
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Express each rate as a unit rate. Round to the nearest tenth when necessary.
45 touch downs in 16 games
\( \sf \: No. \: of \: touch \: downs \: \div \: No. \: of \: games\)
No. of touch downs = 45No. of games = 16\( \tt45 \div 16 = > \frac{45}{16} = > 2.8125 \: \: \\ \tt \: or \\ \tt \: 3 \: when \: rounded \: off\)
Based on the information given the unit rate is: 2.81.
Unit rate:In order to determine the unit rate we will have to divide the touch down by the number of games.
Using this formula
Unit rate=Number of touch down/Number of games
Where:
Number of touch down=45
Number of games=16
Let plug in the formula
Unit rate=45/16
Unit rate=2.81
Inconclusion the unit rate is: 2.81.
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2a=+2b=c solve for b
Step-by-step explanation:
pls make me as brainleist
Which equation is represented by the graph below?
Answer:
y=-1/2x+2
the y-intercept is at 2 and the slope is -1/2
meaning the y coordinates with move down 1 while the x coordinates will move 2 in a positive (right) direction
Ms. Joseph is saving money for a trip to Zearnland over 12 weeks. She starts with 1 dollar. In the second week, she adds 2 dollars. Each week she adds 1 more dollar than she did the week before. How many weeks will she be saving money?
Answer: $78
Step-by-step explanation:
You start out with $1
$2 = second week $3 = third week $4 = fourth week $5 = fifth week $6 = sixth week $7 = seventh week $8 = eighth week $9 = ninth week $10 = tenth week $11 = eleventh week $12 = twelth week
then you add it all up = 1+2+3+4+5+6+7+8+9+10+11+12 that would equal to $78
At a local print shop, 4 copies can be made for $2. At this rate, how much would it cost to make 28 copies?
Answer:
it would cost 14 dollars
Step-by-step explanation:
In a sample of 20 items, you found six defective. In constructing a confidence interval for the proportion of defectives, you should use: the plus four method. the large-sample interval. neither of these two methods.
To construct a confidence interval for the proportion of defectives, we should use the plus four method.
Since the sample size is 20, which is not very large, the large-sample interval is not appropriate. Instep, we ought to utilize a strategy that's suitable for little test sizes.
The plus four method is one such method that is commonly used when the sample size is small. Therefore, to construct a confidence interval for the proportion of defectives, we should use the plus four method.
The plus four strategies may be a strategy for building a certainty interim for an extent when the test estimate is little.
To utilize this strategy, we to begin with include four fanciful perceptions to our test, two of which are flawed and two of which are not imperfect.
This increments the test estimate to 24, which permits us to utilize the typical guess to the binomial dispersion to build the certainty interim.
The equation for the certainty interim utilizing the also four strategies is:
p ± zα/2 √((p + 2) (1 - p + 2) / n + 4)
where:
p is the test extent (number of defectives/test estimate)
zα/2 is the basic esteem from the standard typical dissemination at the level of importance α/2
n is the test estimate (counting the included four nonexistent perceptions)
Therefore, to construct a confidence interval for the proportion of defectives, we should use the plus four method.
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Define the domain of the following:
{-2, -1, 0, 2, 5}
{-2, -1, 0, 1, 2, 3, 4, 5}
All Real Numbers
{3, -1, 3, 1, 2}
The domain of the relation in the graph is:
{-2, -1, 0, 2, 5}
How to define the domain for the graph?A relation maps elements from one set (the domain) into elements from another set (the range).
Such that the domain is represented in the horizontal axis.
In the graph, we can see the points:
{(-2, -3), (-1, -1), (0, 3), (2, 1), (5, 2)}
The domain is the set of the first values of these points, then the domain is:
{-2, -1, 0, 2, 5}
The correct option is the first one.
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please help because I don’t know!!
Answer:
Step-by-step explanation:
Comment
There was a flat fee of 10 dollars
Each 1/4 hour brought in 3,75
The total charge was 55 dollars.
Equation
Charge = 10 + 4*3.75*x as an hourly rate,
Solution
55 = 10 + 4*3.75x Combine
55 = 10 + 15x Subtract 10 from both sides
55-10= 10-10 + 15x
45 = 15x Divide by 15
45/15 = 15x/15
x = 3 hours
Answer 3 hours
At Home Depot, Johnny bought 3 rose bushes and 7 flats of petunias for a total of $114.75. Rosie bought 2 rose bushes and 6 flats of petunias for a total of $89.50. How much does a rose bush cost? How much does a flat of petunias cost?
Answer:
a rose bush cost $15.5 , a flat of petunias cost $9.75
Step-by-step explanation:
Let $x be the cost of rose bush and $y be the cost of a flat of petunias cost
3x + 7y = 114.75
2x + 6y = 89.5
x = 31/2 , y = 39/4
Which triangle congruence is this a picture of?
SSS
SAS
AAS
HL
Answer:
sas
Step-by-step explanation:
Answer:
SAS
Step-by-step explanation:
SAS
Nine million ninety thousand nine hundred and ninety-nine ten-thousandths
3x + 1 = 2x + 5
help .....
Answer:
x = 4
Step-by-step explanation:
Combine like terms.
3x- 2x = 1x
New Equation: 1x + 1 = 5
Subtract 1 from 5.
New Equation: 1x = 4
Divide 1 from both sides. 1x / 1 cancels out and 4 / 1 = 4.
-x + y = 3 and 3x+ y = -1
Answer: {y = x + 3, y = -3 x - 1}
{x + 3 = y, 3 x + y + 1 = 0}
Step-by-step explanation:
Please do this question in your copy, make a table like we made in class, scan it, and upload it BB. You have total 1 hour for it.
Alfalah Islamic Bank needed PKR 1500,000 for starting one of its new branch in Gulshan. They have PKR 500,000 as an investment in this branch. For other PKR 1000,000 they plan to attract their customers insted of taking a loan from anywhere.
Alfalah Islamic Issued Musharka Certificates in the market, each certificate cost PKR 5,000 having a maturity of 5 years. They planned to purchased 100 shares themselves while remaining shares to float in the market. Following was the response from customers.
Name Shares
Fahad 30
Yashara 50
Saud 20
Fariha 40
Younus 25
Asif 35
Alfalah Islamic planned that 60% of the profit will be distributed amoung investors "As per the ratio of investment" While the remaining profit belongs to Bank. Annual report shows the following information for 1st five years.
Years Profit/(Loss)
1 (78,000)
2 (23,000)
3 29,000
4 63,000
5 103,500
Calculate and Identify what amount every investor Investor will recieve in each year.
I apologize, I am unable to create tables or upload scanned documents. However, I can assist you in calculating the amount each investor will receive in each year based on the given information.
To calculate the amount received by each investor in each year, we need to follow these steps:
Calculate the total profit earned by the bank in each year by subtracting the loss values from zero.
Year 1: 0 - (-78,000) = 78,000
Year 2: 0 - (-23,000) = 23,000
Year 3: 29,000
Year 4: 63,000
Year 5: 103,500
Calculate the total profit to be distributed among the investors in each year, which is 60% of the total profit earned by the bank.
Year 1: 0.6 * 78,000 = 46,800
Year 2: 0.6 * 23,000 = 13,800
Year 3: 0.6 * 29,000 = 17,400
Year 4: 0.6 * 63,000 = 37,800
Year 5: 0.6 * 103,500 = 62,100
Calculate the profit share for each investor based on their respective share of the investment.
Year 1:
Fahad: (30/100) * 46,800
Yashara: (50/100) * 46,800
Saud: (20/100) * 46,800
Fariha: (40/100) * 46,800
Younus: (25/100) * 46,800
Asif: (35/100) * 46,800
Similarly, calculate the profit share for each investor in the remaining years using the same formula.
By following the calculations above, you can determine the amount each investor will receive in each year based on their share of the investment.
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It took 9 gallons of gas for a car to travel 216 miles. What is the rate of the car in miles per gallon of gas? help me quick
Answer:
24 miles per gallon
Step-by-step explanation:
To find the rate of miles per gallon divide the miles (216) by the gallons (9). 216/9 is 24. So the answer is 24 miles per gallon.
*Miles per gallon is underlined because it gives a hint on how to solve this. Miles per (divide) gallon.
Hope it helps!
Answer:
The rate is 24 miles per 1 gallon
Step-by-step explanation:
If 9 gallons = 216 miles, divide both sides by 9
so 1 gallons is 24 miles
The rate should be 24 miles per 1 gallon
Remember: Rate equals distance divided by time
(r=d/t)
Is -3 contraction or expansion in geometry
Answer:
no
Step-by-step explanation:
Review a state without a state income tax.
- How do these states function?
- Compare the state without an income tax to the state you live in.
- What are the key differences?
They function by balancing their budgets through a combination of these revenue streams, along with careful budgeting and expenditure management.
Comparing a state without an income tax to one with an income tax, the key differences lie in the tax burden placed on residents and businesses. In the absence of an income tax, individuals in the state without income tax enjoy the benefit of not having a portion of their businesses may find it more attractive to operate in such states due to lower tax obligations. However, these states often compensate for the lack of income tax by imposing higher sales or property taxes.
States without a state income tax, such as Texas, Florida, and Nevada, function by generating revenue from various alternative sources. Sales tax is a major contributor, with higher rates or broader coverage compared to states with an income tax.
Property taxes also play a significant role, as these states tend to rely on this form of taxation to fund local services and public education. Additionally, fees on specific services, licenses, or permits can contribute to the state's revenue stream.
Comparing such a state to one with an income tax, the key differences lie in the tax structure and the burden placed on residents and businesses. In states without an income tax, individuals benefit from not having a portion of their earnings withheld, resulting in potentially higher take-home pay. This can be appealing for professionals and high-income earners. For businesses, the absence of an income tax can make the state a more attractive location for investment and expansion.
However, the lack of an income tax in these states often means higher reliance on sales or property taxes, which can impact residents differently. Sales tax tends to be regressive, affecting lower-income individuals more significantly. Property taxes may be higher to compensate for the revenue lost from the absence of an income tax.
Additionally, the absence of an income tax can result in a greater dependence on other revenue sources, making the state's budget more susceptible to fluctuations in the economy.
Overall, states without a state income tax employ alternative revenue sources and careful budgeting to function. While they offer certain advantages, such as higher take-home pay and potential business incentives, they also impose higher sales or property taxes, potentially impacting residents differently and requiring careful management of their budgetary needs.
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There are galon of water in a 3-gallon container. What fraction of the container is filled?
1. Write a multiplication equation and a division equation to represent the situation
Answer:
1/3 of the container is filled
Step-by-step explanation:
1 times 3 = 3 3 divided by 3 = 1
what type of correlation is suggested by the following example: as the quantity of hours studied increases, a students grade point average increases?
Answer: #positive correlation explains an increase in quantity of hours studied resulting in an increase in a student's grade point average
Step-by-step explanation:
Positive correlation moves in the same direction.
it indicates the extent to which variables (variables referring to for example quantity of hours or grades) increase or decrease in parallel as asked in above question and more examples such: as increase in advertisement causing an increase in sales.
This helps explain the strength, nature of relationship between the variables and how they fluctuate together.
Elena walked 12 miles. Then she walked 14that distance. How far did she walk all together
Answer:
I don't get the question
Step-by-step explanation:
What are not changed after a rotation
Answer: b
Step-by-step explanation:
I need help with this, if anyone can answer it would be very nice. :D
Answer:
20%
Step-by-step explanation:
Divide 14 by 70 to get the answer 0.2. Since it is 0.2 it is also equivalent to 20% which is the percentage Marley has rolled a strike.
The sets of numbers 3, 4, 5, and 8, 15, 17 are Pythagorean triples. Use what you know about the Pythagorean Theorem and explain or show why they are Pythagorean triples. Be sure to show your work for each set of triples!
Answer:
Pythagorean Theorom: a^2+b^2=c^2
Take the largest number of each as C (hypotenuse)
3,4,5
(3)^2+(4)^2= (5)^2
25=25
Therefore it is a Pythagorean Triple.
8,15,17
(8)^2+(15)^2=(17)^2
289=289
Therefore it is a Pythagorean Triple.
A rock is dropped from a bridge 128 feet above the river. The pathway that the rock takes can be modeled by the equation h= -16t2+128. How long will it take the rock to reach the river?
Answer:
2.83 seconds
Step-by-step explanation:
In the given equation, h represents the height (in feet) of the rock above the river at time t seconds after it is dropped, and the equation is h = -16t^2 + 128.
When the rock reaches the river, its height above the river will be zero. So, we can set h = 0 in the equation and solve for t:
0 = -16t^2 + 128
Dividing both sides by -16, we get:
t^2 = 128/16
t^2 = 8
Taking the square root of both sides, we get:
t = ±√8
Since time cannot be negative, we take the positive square root:
t = √8 ≈ 2.83 seconds
Therefore, it will take the rock approximately 2.83 seconds to reach the river.
A rectangular tract of land in Mathville has the dimensions 4x2 + 3x + 12 and 4x – 2. Another rectangular area of a land in Algebratown has dimensions 5x2 + x – 4 and 2x + 1.
A)Find the area of each using the box method in terms of x
B)What is the difference between the area of Mathville and the area of Algebratown?
C)hat is the difference of the areas if x = 9?
Answer:
Step-by-step explanation:
Area of a rectangle = Length * Width
Given the dimension
Length = 4x2 + 3x + 12
Width = 4x – 2
A) Area = (4x^2 + 3x + 12)(4x – 2)
Open the parenthesis
= 16x^3-8x^2+12x^2-6x+48x-24
Area of land in Mathville = 16x^3+4x^2+42x-24
For the land in Algebratown
Area = (5x^2 + x – 4)(2x + 1)
Area = 10x^3+5x^2+2x^2+x-8x-4
Area = 10x^3+7x^2-7x-4
B) difference between the area of Mathville and the area of Algebratown
= 16x^3+4x^2+42x-24 -(10x^3+7x^2-7x-4)
= 16x^3+4x^2+42x-24 -10x^3-7x^2+7x+4
collect like terms
= 16x^3-10x^3+4x^2-7x^2+42x+7x-24+4
= 6x^3-3x^2+49x-20
C) The difference if x = 9
Substitute x = 9 into the resulting function
A(x) = 6x^3-3x^2+49x-20
A(9) = 6(9)^3-3(9)^2+49(9)-20
A(9) = 2187-243+441-20
A(9) = 2,365
Hence the difference of the areas if x = 9 is 2,365