Answer:
If given two equations in a system, what are the three possible outcomes of the system? Describe what would have to happen to generate each of the three outcomes. Outcome: What does the graph look like?
Step-by-step explanation:
\(2/5\leq x-4\)
Answer:
x ≥ 22/5
Step-by-step explanation:
I used a calculator called MathPapa
What is the greatest number of sides that will result from a cross section of a rectangular prism?
The greatest number of sides that can result from a cross section of a rectangular prism is 6.
To see why, consider a rectangular prism. The prism has 6 faces, which are all rectangles. If we take a cross section of the prism, the section will intersect some of the faces, resulting in a closed shape. The shape will have at most as many sides as the number of sides of the faces that the section intersects.
Since each face of the rectangular prism has 4 sides, the maximum number of sides that can result from a cross section is 4 x 6 = 24. However, this is only possible if the section intersects every face of the prism, which is unlikely to occur in general. In practice, a cross section of a rectangular prism is more likely to intersect just a few of the faces, resulting in a shape with fewer sides. Therefore, the greatest number of sides that can result from a cross section of a rectangular prism is 6, which occurs when the section intersects all 6 faces.
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Larry has at least 3 more books than Pat. If Pat has 6 books, what do you know about the number of books Larry has?
Answer:
Larry has at least 9 books
Step-by-step explanation:
just add 6 and 3 to get 9. and since it says at least 3 more, you would know that even after adding them, he would have at least 9.
That was a bad explanation, but I hope you know what I mean, if you dont, just comment on my answer and ask any questions about it :)
A population of fish starts at 8000 and decreases by 6% per year. use an exponential function defined the population of fish in 10 years
Answer:
4308
Step-by-step explanation:
The population of fish at the end of 10 years will remain 4129 .
What is compound interest depreciation?Depreciation is essentially a compound measure in the opposite direction, so decreasing the original value at a specific percentage at regular intervals. For depreciation you need to use the multiplier method for decreasing percentages and put this multiplier to the power of the number of time intervals in the question.
Formula of compound interest depreciation :
\(A= P(1-\frac{r}{100} )^{n}\)
Where,
A = final amount
P = initial principal
n = time in years
r = rate per annum
According to the question
A population of fish starts at (P)= 8000
decreases per year (r) = 6%
n = 10
now , Applying Formula of compound interest depreciation :
\(A= P(1-\frac{r}{100} )^{n}\)
substituting the value
\(A= 8000(1-\frac{6.4}{100} )^{10}\)
\(A= 8000(0.936} )^{10}\)
A=8000 * 0.5161
A = 4,129.03 (approx.)
A = 4129 (round off to nearest whole no )
Hence, the population of fish at the end of 10 years will remain 4129 .
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The diagram shows the repairs performed on 2 types of cars.
Compare the car types using the median and the mean.
Roadsters
Bandits
1
+
2
3
4
5
6
7
8
9
Repairs per Vehicle
The medians and the means are the
same for both car types.
Bandits have a lower median and a
lower mean than Roadsters.
The median is the same for both car
types, but Bandits have the lower
mean.
Roadsters have the lower median,
but the mean is the same for both car
types.
Answer:
The median is the same for both car
types, but Bandits have the lower
mean.
Step-by-step explanation:
From the boxplot attached, the median value for both car types can be clearly seen to be the same as the vertical line in between the box of both plots lie at the same point.
As for the mean which is the average of a set of data we could deduce from the plot that, the roadster data has a larger span than the bandit data with a far greater third percentile value. Hence, mean or average data for roadster will be higher Than that if bandits.
Find the result of |x-1|=2
The absolute value of x minus one is equal to two. Therefore, x must be either one greater than two (x = 3) or one less than two (x = 1).
One less than x results in a value of two in absolute terms. As a result, x minus 1 has an absolute value of 2, which is a positive number. The separation of an integer from zero is its absolute value. As a result, x minus 1 is two units from zero in absolute terms. As x minus one has an absolute value of two, its real value must either be two or a negative two. That is to say, x must either be one more than two (x = 3) or one less than two (x = 1).In order to confirm this, let's look at a few examples. If x = 3, then |x - 1| = |2 - 1| = |1| = 1 which is not equal to two. Therefore, x = 3 is not the answer we are looking for. On the other hand, if x = 1, then |x - 1| = |1 - 1| = |0| = 0 which is not equal to two. Therefore, x = 1 is also not the answer we are looking for. The only two possible solutions for the equation |x - 1| = 2 are x = 3 and x = 1. Therefore, the result of |x - 1| = 2 is that x must be either one greater than two (x = 3) or one less than two (x = 1)
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If a series of rigid transformations maps ∠F onto ∠C where ∠F is congruent to ∠C, then which of the following statements is true?
The statement that is true ,congruence of corresponding angles is preserved under rigid Transformations.
If a series of rigid transformations maps ∠F onto ∠C, where ∠F is congruent to ∠C, it implies that the two angles have the same measure or size. Given this information, the following statement is true:
The congruence of corresponding angles is preserved under rigid transformations.
Rigid transformations, such as translation, rotation, and reflection, preserve the size, shape, and angles of geometric figures. When ∠F is congruent to ∠C, it means that the measures of the angles are equal.
By applying a series of rigid transformations that map ∠F onto ∠C, the congruence between the two angles is maintained. This means that the resulting transformed angle, after the series of transformations, will still have the same measure as the original angle.
In other words, if ∠F and ∠C are congruent, the rigid transformations will preserve the equality of their measures. Therefore, the congruence between the corresponding angles is maintained throughout the series of rigid transformations.
It is important to note that congruent angles have equal measures, but their orientations or positions may differ. Rigid transformations do not change the measure of angles but can alter their positions or orientations in space.
Hence, the statement that is true in this context is:
The congruence of corresponding angles is preserved under rigid transformations.
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If 0.03 percent of n is 3, what is 3 percent of n ?
(A) 900
(B) 600
(C) 300
(D) 0.006
(E) 0.003
3 percent of n is (C) 300
We need to know about the percent theory first, the percent number is per 100. It can be determined by this formula
A% = A/100
From the text we know that :
0.03%. n = 3 A
3%. n =? B
Find the value of n to get 3 percent of n by using A
0.03%. n = 3
0.03/100 . n = 3
0.0003 n = 3
n = 3 / 0.0003
n = 10,000
Substitute n to B
3% . n = 3% . 10000
=3/100 x 10000
=300
Hence, 3 percent of n is 300.
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Let f(x) = tan x, Show that f(0) = f(π) but there is no number c in (0, π) such that f’(c) = 0. Why does this not contradict Rolle’s Theorem?
This situation does not contradict Rolle's Theorem because Rolle's Theorem requires the function to be continuous on a closed interval and differentiable on an open interval, which is not satisfied by f(x) = tan x in the interval (0, π).
To show that f(0) = f(π), we evaluate the tangent function at these points. At x = 0, tan(0) = 0, and at x = π, tan(π) = 0. Therefore, f(0) = f(π).
To investigate whether there exists a number c in the interval (0, π) such that f'(c) = 0, we need to find the derivative of f(x). The derivative of tan x is given by f'(x) = sec² x. However, the secant squared function is never equal to zero. Therefore, there is no c in the interval (0, π) where f'(c) = 0.
This situation does not contradict Rolle's Theorem because Rolle's Theorem requires certain conditions to be met. First, the function must be continuous on the closed interval [a, b], which is not satisfied by f(x) = tan x since it is not defined at x = π/2. Second, the function must be differentiable on the open interval (a, b), but f'(x) = sec^2 x is not defined at x = π/2. Thus, the requirements of Rolle's Theorem are not fulfilled, and its conclusion does not apply to f(x) = tan x in the interval (0, π).
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what is the last digit of 3 with a power of 2011
So to find any last digit of 3^2011 divide 2011 by 4 which comes to have 3 as remainder. Hence the number in units place is same as digit in units place of number 3^3. Hence answer is 7.
David charges $17 plus $7.00 per hour to mow lawns. Ari charges $11 plus $7.75 per hour to mow lawns. In what situations is Ari's charge greater than or equal to David's charge?
*PLS HELP*
Answer:
Ari's is less than Davids
Ari=18.75
David=24.00
Step-by-step explanation:
URGENT
What will five 100's do to a grade of 92%? How many points will it bring my grades up by?
Answer:
See below ~
Step-by-step explanation:
Given
Mean = 92%Solving
Add 5 points of 100% and divide by 6 (total entries)92 + 5(100) / 6592/698.67%Solution
Five 100s will bring up the 92% up by 6.67% to 98.67%Under his cell phone plan, Angel pays a flat cost of $35 per month and $5 per gigabyte. He wants to keep his bill under $50 per month. Write and solve an inequality which can be used to determine x, the number of gigabytes Angel can use while staying within his budget.
Answer:
4 gigabytes
Step-by-step explanation:
$55-$35 =$20
Under $55 = less than (<) $55
According to given question we have,
$35 + $5 × g < 55
35 + 5g < 55
compare like terms and simplify we get,
5g < 55 - 35
5g < 20
g < 20/5
g < 4 gigabytes
Inequality: 5x + 35 <50
Answer: x < 3
please help help me write a story to describe the graph
I'll start first by finding the slope of the line at t = 2 mins up to t = 6 mins, t = 6 mins up to t = 8 mins, and t = 14 mins up to t = 20 mins.
For the first interval (2 mins to 6 mins), we have the coordinates (2, 7) and (6, 5). The slope of the line is
\(m=\frac{5-7}{6-2}=-\frac{2}{4}=-\frac{1}{2}\)For the second interval (6 mins up to 8 mins), we have the coordinates (6, 5) and (8,0). The slope of the line is
\(m=\frac{0-5}{8-6}=-\frac{5}{2}\)For the last interval (14 mins up to 20 mins), we have the coordinates (14,0) and (20,9). The slope of the line is
\(m=\frac{9-0}{20-14}=\frac{9}{6}\)The x-axis of the given graph pertains to time while its y-axis pertains to distance from home. Let's try to make a story about a person from work going home and will prepare something before going outside again.
For the first 2 mins, the person walks out of his office and will go to his car. Since he is still in the office, the distance from home does not change for the first two minutes.
For the next 4 mins (2 mins to 6 mins interval), he starts driving going home at a rate of 1/2 miles per minute. Because of traffic, he is driving slower than his usual driving speed. Upon passing away from the traffic, the person now travels at a rate of 5/2 miles per minute for 2 mins (6 to 8 mins interval). At the 8th minute mark, he is already home. He prepared something at home during the 8 min to 14 min interval time. After the preparation, he went again outside for some business trip, traveling at the speed of 9/6 miles per minute.
\(\frac{15}{3} = \frac{6}{x}\)
what is x ??
The third step in the data modeling process with a packaged data model is:
The third step in the data Modeling process when using a packaged data model typically involves customizing and refining the model to align with your specific business requirements.
Here's a breakdown of this step:
1. Identify unique business requirements: Understand the specific needs of your organization or project that are not addressed by the packaged data model's default settings.
2. Map out customizations: Determine which aspects of the packaged data model need to be adjusted or extended to accommodate your unique requirements. This may include adding or modifying entities, attributes, or relationships.
3. Document customizations: Keep a clear record of any changes made to the packaged data model. This will help maintain consistency across different team members and provide a reference point for future updates or modifications.
4. Implement customizations: Update the packaged data model with the required changes, following best practices for data modeling and ensuring the integrity of the overall structure.
5. Validate customizations: Test the updated data model to ensure that it accurately represents your business requirements and functions as expected. This may involve reviewing the model with stakeholders, running test queries, or using data validation tools.
6. Iterate as necessary: If any issues or further requirements are identified during validation, refine and update the data model as needed.
By customizing and refining the packaged data model, you can tailor it to better suit your organization's unique needs, ultimately leading to more accurate and useful insights from your data.
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Sweet Company purchased, on January 1, 2020, as an available-for-sale security, $87.000 of the 10%, 5-year bonds of Chester Corporation for $80,728, which provides an 12% return. Prepare Sweet's journal entries for (a) the purchase of the investment. (b) the receipt of annual interest and discount amortization, and (c) the year-end fair value adjustment. (Assume a zero balance in the Fair Value Adjustment account.) The bonds have a year-end fair value of $82,650. Assume effective-interest amortization is used. (Round answers to 0 decimal places, eg. 1,225. Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) No. Account Titles and Explanation Debit Credit (a) (b) (c) 11
(a) Purchase of the investment:
1 Available-for-Sale Securities $80,728
2 Cash (Payment for the investment) $80,728
(b) Receipt of annual interest and discount amortization:
1 Cash (Receipt of annual interest) $8,700
2 Discount on Bonds Payable (Amortization) $1,272
3 Investment Revenue (Interest Income) $7,428
(a) Journal entry for the purchase of the investment:
Date: January 1, 2020
Account Titles Debit Credit
----------------------------------------------
Available-for-Sale Investments $80,728
Cash $80,728
(b) Journal entry for the receipt of annual interest and discount amortization:
Date: End of the year (Assuming December 31, 2020)
Account Titles Debit Credit
-------------------------------------------
Cash $10,400
Interest Revenue $7,728
Discount on Bonds Investment $2,672
The cash received is the annual interest payment calculated as 10% of the face value of the bonds ($87,000 x 10%).
(c) Journal entry for the year-end fair value adjustment:
Date: End of the year (Assuming December 31, 2020)
Account Titles Debit Credit
------------------------------------------
Fair Value Adjustment $2,150
Unrealized Gain or Loss $2,150
The fair value adjustment account is credited to increase its balance to reflect the increase in the fair value of the investment.
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two points along a straight stick of length 41 41 cm are randomly selected. the stick is then broken at those two points. find the probability that all of the resulting pieces have length at least 2.5 2.5 cm.
The probability that all of the resulting pieces have length at least 2.5 cm is approximately 0.955.
Let's call the length of the first piece "x" and the length of the second piece "y". Since the stick has a total length of 41 cm, we know that
x + y = 41
We want to find the probability that both x and y are at least 2.5 cm. This means that
x >= 2.5 and y >= 2.5
We can rearrange the first equation to solve for one of the variables in terms of the other
y = 41 - x
Substituting this into the second equation, we get
x >= 2.5 and 41 - x >= 2.5
Simplifying the second inequality, we get
x <= 38.5
So the conditions for both x and y are
2.5 <= x <= 38.5 and 2.5 <= y <= 38.5
Now we need to find the probability of these conditions being met. We can visualize the possible values of x and y as a square with side length 38 (since the maximum value of x or y is 38.5). The area of this square is 38×38 = 1444.
The area of the region where both x and y are at least 2.5 can be found by subtracting the areas of the two triangles where x or y is less than 2.5 from the total area of the square
Area of region = 1444 - 2×(2.5×38) = 1378
So the probability that both x and y are at least 2.5 is
Probability = Area of region / Total area = 1378/1444 = 0.955
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The given question is incomplete, the complete question is:
Two points along a straight stick of length 41 cm are randomly selected. the stick is then broken at those two points. find the probability that all of the resulting pieces have length at least 2.5 cm?
( x^{3}+a x^{2}-a x-10 ) is a polynomial where ( a ) is a constant with ( x+2 ) as a factor.
i. Find the value of ( a ).
ii. For this value of ( a ) find the remainder when this polynomial is divided by x+1
According to the question the remainder when the polynomial is divided by (x + 1) is -5.
i. To find the value of (a), we know that (x + 2) is a factor of the polynomial. This means that when we substitute x = -2 into the polynomial, the result should be zero.
Substituting x = -2 into the polynomial:
(-2)^3 + a(-2)^2 - a(-2) - 10 = 0
-8 + 4a + 2a - 10 = 0
6a - 18 = 0
6a = 18
a = 3
Therefore, the value of (a) is 3.
ii. Now that we have the value of (a) as 3, we can find the remainder when the polynomial is divided by (x + 1). To do this, we can use the Remainder Theorem, which states that the remainder when a polynomial f(x) is divided by x - c is equal to f(c).
Substituting x = -1 into the polynomial:
(-1)^3 + 3(-1)^2 - 3(-1) - 10 = -1 + 3 + 3 - 10 = -5
So, the remainder when the polynomial is divided by (x + 1) is -5.
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Jamal has a drawer containing 6 green socks, 18 purple socks, and 12 orange socks. After adding more purple socks, Jamal noticed that there is now a 60% chance that a sock randomly selected from the drawer is purple. How many purple socks did Jamal add?
A 6
B 9
C 12
D 18
E 24
Answer:
B 9
Step-by-step explanation:
We have 6 green socks, 18 purple socks, and 12 orange socks.
Adding more purple sock means 6 green socks, 18+x purple socks, and 12 orange socks.
We have a probability of 60% of getting a purple sock.
P( purple) = number of purple socks / total
.60 = (18+x) / (6+18+x+12)
.60 = (18+x) / (36+x)
Multiply each side by 36+x
21.6 +.6x = 18+x
Subtract 18 from each side
3.6x +.6x = x
Subtract .6x from each side
3.6x = .4x
Divide each side by .4
9 =x
Jamal added 9 purple socks
an 18 ounce box of cereal costs $3.60 what is the unit price
Answer:
$5.00 per ounce
Step-by-step explanation:
18/3.6
5
The graph represents the amounts Bob and Billy earn each hour mowing lawns. After how many hours will Bob and Billy earn the same amount?
From the given graph
The x-axis represents the number of hours
The y-axis represents the amount earned
The common solution of the two lines is the point of intersection
Since the point of intersection is (4, 40), then
They will earn the same amount of money $40 in 4 hours
After 4 hours they will the same amount of money
Solve the inequality
2b + 5< 30
Answer:
b < 12.5
Step-by-step explanation:
2b + 5 < 30
1. Subtract 5 from both sides:
2b < 25
2. Divide both sides by 2:
b < 12.5
Final answer: b < 12.5
The value of b is any value that is less (smaller) than 12.5.
Hope this helps!
The quadrilateral shown is a rectangle. What is m∠ZVY?
A) 39°
B) 59°
C) 61°
D) 119°
C. 61°
Angle ZVY is vertically opposite to angle WVX and all vertically opposite angles are equal to the same number.
What is the answer hellllp
Rewrite 13/5 as 26/10
Add the two pieces together:
26/10 + 33/10 = 59/10
Rewrite 7 meters as 70/10
Subtract the two pieces:
70/10 - 59/10 = 11/10 meter left
PLS HELP ASAP!! WORTH 30 POINT,PLS TRY TO BE ORGANIZED AND IF U CAN MAYBE DO IT ON PAPER SO ITS EASIER LIKE JS SOLVE IT ON PAPER W/O NO EXPLANATION OR ON HERE W EXPLANATION.SHOW UR WORK PLS SOLVE INEQUALITIES WITH INTEGERS, Q:#12-#15 THANK UU(:
The range of x are;
1. x < -30
2. x > 8
3. x > 15
4. x < -2
What is inequality?A relationship between two expressions or values that are not equal to each other is called 'inequality.
1. -130 > 50x +20
-130-20> 50x
-150 > 50x
-150/50 > x
-30 > x
x < -30
2. -8(x-3) < -40
-8x +24< -40
collect like terms
-8x < -64
x > -64/-8
x > 8
3. 2x - 22 > 8
collect like terms
2x > 30
divide both sides by 2
x > 30/2
x > 15
4. -35 < -5(x+9)
-35 < -5x -45
collect like terms
10 < -5x
-2 > x
x < -2
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Suppose x has a normal distribution with mean 80 and standard deviation 5. What is the 90th percentile of x?.
The 90th percentile of x is 70.
What is standard deviation?
A set of values' variance or dispersion is measured by the standard deviation. While a high standard deviation implies that the values are dispersed over a wider range, a low standard deviation shows that the values tend to be close to the mean of the collection.
Given: Mean = 80, s = 5.
Computing values to standard deviation from mean,
Lower limit = mean - 2s
= 80 - 2(5)
= 80 - 10
Lower limit = 70
Hence, if x has a normal distribution with mean 80 and standard deviation 5 then the 90th percentile of x is 70.
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NEED HELP ASAP - Algebra 2
Every complex number has the form a+bi with a and b as real numbers. Is it possible to create a complex number in which b=0? If so, create two examples to show your hypothesis is true. If not, explain why it is not possible.
Your response must be at least 50 words.
No, It is not possible to have a complex number in the form of a + bi when b = 0.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Complex number.
It is in the form of a + ib.
Where a and b are real numbers.
Now,
If b = 0 then we can not have a complex number.
Example:
a + bi
a = 1 and b = 0
1 + 0i = 1 which is not a complex number.
In order to have a complex number a can be any real number and 0 but b can not be a zero.
Thus,
It is not possible to have a complex number in the form of a + bi when
b = 0.
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I need help with this question
The value of x in the triangles in diagram A and B is 9.28 respectively.
What is a triangle?Triangle is a plane shape that has three sides.
(A) To solve for x in the triangle in diagram A, we use the formula below
Formula:
cos∅ = A/H........................... Equation 1Where:
∅ = Given angle = 41°A = Adjacent = 7H = Hypotenus = xSubstitute these values into equation 1 and solve for x
cos41° = 7/xx = 7/cos41°x = 9.28(B) Similarly, to solve for x in the triangle in diagram B, we use the formula below
Formula:
sin∅ = O/H........................Equation 2Where:
O = Opposite = 7H = Hypotenus = x∅ = angle = 49°Substitute these values into equation 2 and solve for x
sin49° = 7/xx = 7/49x = 9.28Hence, the values of x in A and B is 9.28 respectively.
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suppose the probability there are children in a car involved in an auto accident is 0.3. further suppose that if there are children in a car that is involved in an auto accident, there is a 0.1 probability the driver was 55 years or older. however, if there no children in a car that is involve in an auto accident, suppose there is a 0.25 probability that driver was 55 years or older.
The probability of there being children in a car involved in an auto accident is 0.3.
What is the probability of there being children in a car involved in an auto accident?In the given scenario, the probability of there being children in a car involved in an auto accident is 0.3. If there are children in the car, the probability of the driver being 55 years or older is 0.1.
However, if there are no children in the car, the probability of the driver being 55 years or older is 0.25. These probabilities provide information about the likelihood of certain events occurring within the context of auto accidents.
It is important to note that these probabilities are based on the assumptions given and may not represent real-world statistics. Probability calculations help us understand the relative likelihood of different outcomes and can be useful in decision-making and risk assessment.
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