The inequality - 15 > t has the same meaning as t > -15
What is an inequality?An inequality, In mathematics, a statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
The given inequality is - 15 >t
We can rewrite this as t > -15
The above two inequalities have the same meaning.
Reading from right to left, the first inequality says, "b is greater than or equal to negative 18."
Reading from left to right, the second inequality says, "b is greater than or equal to negative 18."
Therefore the two inequalities have the same meaning.
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You pick a card at random. 1 2 3 4 What is P(1 or even)? Write your answer as a percentage.
The probability of drawing a 1 or an even number from the set {1, 2, 3, 4} is 75%.
There are four cards in the set {1, 2, 3, 4}, of which two are even (2 and 4) and one is odd (1). To find the probability of drawing a 1 or an even number, we can add the probabilities of each event occurring:
P(1 or even) = P(1) + P(even)
Since each card is equally likely to be drawn, each of these probabilities is equal to the number of cards that satisfy the condition divided by the total number of cards:
P(1) = 1/4 (there is one card with a 1)
P(even) = 2/4 = 1/2 (there are two cards with even numbers out of four)
Therefore,
P(1 or even) = P(1) + P(even)
= 1/4 + 1/2
= 3/4
To express the answer as a percentage, we can multiply by 100:
P(1 or even) = 3/4 * 100%
=> 75%
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Graph the solution set for the inequality
2/5*s +7>=3-4.2s
The solution of the inequality is:
s ≥ -0.86
And the graph can be seen on the image at the end.
How to find the solution set of the inequality?Here we want to find and graph the solution set of the inequality below:
(2/5)*s + 7 ≥ 3 - 4.2*s
To do so, first we need to isolate s in one of the sides, then let's do that:
(2/5)*s + 7 ≥ 3 - 4.2*s
(2/5)*s + 4.2*s ≥ 3 - 7
(2/5 + 4.2)*s ≥ -4
And we know that 4.2 = 21/5
Then:
(2/5 + 21/5)*s ≥ -4
(23/5)*s ≥ -4
s ≥ -4*5/23
s ≥ -20/23
s ≥ -0.86
The graph of this will something like the one below:
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A gaming store marks up the video games it receives from the manufacturer 30%. Which expressions can be used to determine the price the store charges when the manufacturer charges x dollars? Select all that apply.
The expression that can be used to determine the price is 1.3x
Which expressions can be used to determine the priceThe expression to determine the price the store charges when the manufacturer charges x dollars, after marking up the price by 30%, can be calculated as follows:
Let P be the price the store charges
So, we have the following representation
P = x + (30/100)x
Divide
P = x + 0.3x
Add
P = 1.3x
So, the store charges 1.3x dollars after marking up the price by 30%.
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A loan of $5000 is to be repaid in three equal installments due 60, 120, and 180 days after the date of the loan. If the focal date is the date of the loan and interest is 6.9% p.a., compute the amount of the installments.
Answer: The interest for the loan for each day is 5000 x 6.9/100 = $345.
For the first installment, the interest will be for 60 - 1 = 59 days. So, the interest for this period will be 59 x $345/365 = $166.55.
The first installment will be $5000 + $166.55 = $5166.55.
For the second installment, the interest will be for 120 - 60 = 60 days. So, the interest for this period will be 60 x $345/365 = $168.76.
The second installment will be $5000 + $168.76 = $5168.76.
For the third installment, the interest will be for 180 - 120 = 60 days. So, the interest for this period will be 60 x $345/365 = $168.76.
The third installment will be $5000 + $168.76 = $5168.76.
Therefore, each installment will be $5166.55, $5168.76, and $5168.76.
Step-by-step explanation:
PLSSSS HELP IF YOU TURLY KNOW THISSS
Answer:
x/3 + 5 = 10
Move 5 to the side
x/3 = 5
Multiply both sides by 3
2x/3 = 15
Simplify
x = 15
Learning is a complex set of processes that may vary according to the developmental level of the learner, the nature of the task, and the context in which the learning is to occur. As already indicated, no one theory can capture all the variables involved in learning. References:Gredler, M. E. -2001. Learning and instruction: Theory into practice (4th Ed. ). Upper Saddle, NJ: Prentice-Hall. A learning theory, there, comprises a set of constructs linking observed changes in performance with what is thought to bring about those changes. References:Driscoll, M. P. -2000. Psychology of learning for instruction (2nd Ed. ). Needham Heights, MA: Allyn
Option B is the correct answer which is Paraphrasing plagiarism true for the Student Version.
It can be defined as the student's version displaying paraphrasing plagiarism.
This implies that the student was unable to make an appropriate in-text citation with the name of the author and date to display the reference to the original source.
The student's version also displays 'paraphrasing plagiarism' when the student was unable to make an appropriate in-text citation with the name of the author and date to display with reference to the original source.
An in-text citation is necessary despite the student paraphrasing the information and citing its bibliographical reference in order to avoid plagiarism.
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Full question:
In the case below, the original source material is given along with a sample of student work. Determine the type of plagiarism by clicking the appropriate radio button.
Original Source Material
Student Version
Learning is a complex set of processes that may vary according to the developmental level of the learner, the nature of the task, and the context in which the learning is to occur. As already indicated, no one theory can capture all the variables involved in learning.
References:
Gredler, M. E. (2001). Learning and instruction: Theory into practice (4th Ed.). Upper Saddle, NJ: Prentice-Hall.
A learning theory, there, comprises a set of constructs linking observed changes in performance with what is thought to bring about those changes.
References:
Driscoll, M. P. (2000). Psychology of learning for instruction (2nd Ed.). Needham Heights, MA: Allyn & Bacon.
A learning theory is made up of "a set of constructs linking observed changes in performance with whatever is thought to bring about those changes" (Driscoll, 2000). Therefore, since "learning is a complex set of processes that may vary according to the developmental level of the learner, the nature of the task, and the context in which the learning is to occur, it is apparent that no one theory can capture all the variables involved in learning" (Gredler, 2001).
Which of the following is true for the Student Version above?
Word-for-Word plagiarism
Paraphrasing plagiarism
This is not plagiarism
The Martins' van can hold up to 8 passengers.
Debbie writes the inequality p <8, where p is the number of passengers that can fit in the van.
Select the choice that provides the best explanation for Debbie's error and the correct answer in this case.
00:00
Debbie should have used 8p because 8 passengers can fit in the van. The correct inequality is 8p < 1
00:00
Debbie should have switched the inequality symbol to greater than. The correct inequality is p > 8.
► 00:00
Debbie should have included 8 as a possible choice. The correct inequality is p < 9.
00:00
Debbie should have used the not equals sign to compare the two sides of the inequality. The correct answer is p = 8
Debbie should have included 8 as a possible choice. The correct inequality is p ≤ 8.
Debbie's error is that she did not include the possibility that exactly 8 passengers could fit in the van. Therefore, the correct inequality symbol to use would be less than or equal to, represented by "<=".
The correct inequality is p <= 8. This means that the number of passengers that can fit in the van is either less than or equal to 8. So, including 8 as a possible choice is also necessary to correctly represent the situation.
Hence the correct answer is C.
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--The given question is incorrect; the correct question is
"The Martins' van can hold up to 8 passengers. Debbie writes the inequality p <8, where p is the number of passengers that can fit in the van. Select the choice that provides the best explanation for Debbie's error and the correct answer in this case.
A. Debbie should have used 8p because 8 passengers can fit in the van. The correct inequality is 8p < 1
B. Debbie should have switched the inequality symbol to greater than. The correct inequality is p > 8.
C. Debbie should have included 8 as a possible choice. The correct inequality is p ≤ 8.
D. Debbie should have used the not equals sign to compare the two sides of the inequality. The correct answer is p = 8"--
there are 4 defective items in a lot consisting of 10 items. from this lot we select 5 items at random. the probability that there will be 2 defective items among them is
the probability of that there will be 2 defective items among them is 0.476 or 47.6%.
What is probability?
By simply dividing the favorable number of possibilities by the entire number of possible outcomes, the probability of an occurrence can be determined using the probability formula. Because the favorable number of outcomes can never exceed the entire number of outcomes, the chance of an event occurring might range from 0 to 1. Calculating the possibility of an event occurring is the focus of the math discipline of probability. Probability gauges the likelihood of an event occurring.
there are 4 defective items in a lot consisting of 10 items.
from this lot we select 5 items at random.
The number of ways in which 55 items can be selected 10 C 5 = 252.
Number of ways in which 2 defective systems and 3 non-defective systems can be selected
4C2 * 6C3 = 6*20=120
The probability = 120 / 252 = 0.476
Hence the probability of that there will be 2 defective items among them is 0.476 or 47.6%.
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help me on this que please
Answer:
18 and A i think
Step-by-step explanation:
i don t really know if this is right but since it only asks the area of E and not the whole cuboid
9 × 2 = 18
A also equals to 18 because it has the the same width and length as E.
hope this helps
When Richard moved to Clover Hills one year ago, it had a population of 3,650. Today, the
population has increased to 3,869, and it is expected that the population will continue to
increase each year.
Write an exponential equation in the form y = a(b) that can model the Clover Hills
population, y, x years after Richard moved there.
Use whole numbers, decimals, or simplified fractions for the values of a and b.
y=
DO
(0)
To the nearest hundred people, what can Richard expect the population to be 4 years after he
moved there?
people
O
M
31
K
%
Richard can expect the population to be 4,100 people 4 years after he moved there.
How to calculate the functionTo model the population growth, we can use an exponential equation in the form y = a * b^x, where a is the starting population (3,650), b is the growth factor, and x is the number of years after Richard moved there.
To find the value of b, we can use the population growth between the first year (x = 1) and the second year (x = 2). Let's call the population at x = 2 as P.
P = a * b^2
P = 3,869
Substituting the values, we get:
3,869 = 3,650 * b^2
Dividing both sides by 3,650, we get:
b^2 = 1.06
Taking the square root of both sides, we get:
b = 1.03
So, the exponential equation that models the Clover Hills population is:
y = 3,650 * 1.03^x
To find the population 4 years after Richard moved there (x = 4), we can substitute x = 4 into the equation:
y = 3,650 * 1.03^4
y = 3,650 * 1.129
y = 4,123.738
Rounding to the nearest hundred people, we get:
y = 4,100 people
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What is the surface area of this shape??? Help please!
The area of the composite figure is equal to 216 square inches
How to calculate for the area of the figureThe composite figure can be observed to be made up of six identical squares, so we shall calculate for the area of one square and then multiply the result by six to get the total area of the composite figure as follows:
area of a square = length²
area of the one square = 6 in × 6 in
area of the one square = 36 in²
total area of the composite figure = 36 in² × 6
total area of the composite figure = 216 in²
Therefore, the area of the composite figure is equal to 216 square inches.
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Tyler finds some nickels and quarters under the couch cushions. How much money (in cents) does he have if he has 10 nickels and 8 quarters? How much money (in cents) does he have if he has
n
n nickels and
q
q quarters?
By evaluating an equation we will see that the value of the coins is $5.
How much money does he have now?Each nickel is whorth $0.10 and each quarter is whorth $0.25, so the value for n nickels and q quarters is given by the equation below:
v = q*0.25 + n*0.10
Here we know thathe has 10 nickels and 8 quarters, replacing that we will get:
v = 8*0.25 + 10*0.10
v = 4 + 1
v = 5
The value is 5 dollars.
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what is the opposite of -(-3) I already tried 3 and +3 THEY DONT WORK PLEASE HELP
ok so to find the opposite of something like this you gotta simplify it first
a negative times a negative is a positive
-(-3) = 3
the opposite of 3 is... drumroll please... -3
Hope this helps,
- Jeron :- )
Answer:
-3
Step-by-step explanation:
-(-3) is just positive 3
Express the function graphed on the axes below as a piecewise function.
The function that represents the graph which is piecewise function is written as y = -5, x = 0 and y = - 6, x ≠ 0.
What is a function?A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.
The equation of the line that is parallel to x-axis is given as,
y = c
The equation passes through (1, -6), then we have
-6 = c
Then the equation is given as,
y = -6, x ≠ 0
And the other equation is given as,
y = - 5, x = 0
Then the piecewise function is given as,
y = -5, x = 0
y = - 6, x ≠ 0
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HELP PLEAASE i need answer nowwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww
The correct descriptions of the given numbers are as follows:
√30 - Real, Irrational root-26 - Real, Rational, Integer√64 - Real, Rational Root, Whole Number1/4 - Real, Rational0.36336333633336.... - Real, Irrational decimal0.42424242..... - Real, Rational decimal✓ 7, or 7i - Imaginary NumberWhat are rational and irrational numbers?A rational number is one that can be written as P/Q, where P and Q are both integers and Q is greater than zero. An illustration of a rational number is 2/3.
However, an irrational number cannot be expressed using straightforward fractions. An example of an irrational number is √2.
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Which of the numbers below is less than -1.2? Select all that apply.
Therefore , the solution of the given problem of expression comes out to be C) -3.5 , D) -0.75 and E) -1/3 .
What precisely is a expression?Math requires the use of arithmetic, algebra, and divisions. They result in the following when combined: An equation, some statistics, and a mathematical function Values, factors, and mathematical processes like adding, addition and subtraction, complex numbers, and division can all be found in a statement of fact. Different words and terms can be analysed and evaluated.
Here,
Thus , numbers below is less than -1.2
C) -3.5
D) -0.75
E) -1/3
Therefore , the solution of the given problem of expression comes out to be C) -3.5 , D) -0.75 and E) -1/3 .
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The complete question is "Which of the numbers expressions below is less than zero? Select all that apply.
A) 1.2
B) 7/2
C)-3.5
D)-0.75
E)-1/3"
I NEED HELP ASAP!! I WILL GIVE BRAINLEST!!
The prove of BC || AD is shown in below.
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
⇒ ΔABE ≅ ΔCDE
Now, Prove of BC || AD is shown in below as;
⇒ ΔABE ≅ ΔCDE ( Given )
Hence, We get;
⇒ AB ≈ DC
Now, In triangle ΔBEC and ΔDEA;
⇒ ∠BEC = ∠AED (Vertically opposite angle)
⇒ BE = ED
⇒ AE = EC
Hence, By SAS congruency;
Triangle ΔBEC and ΔDEA are congruent.
Hence, We get;
⇒ BC = AD
Since, In a parallelogram ABCD;
⇒ AB = CD
⇒ AD = BC
Hence, We get;
⇒ BC || AD
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HELP PLEAASE i need answer nowwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww
Answer:Irrational,2/9,22/100 11/50, Irrational, No Fraction Given, Perfect Square, Non-Perfect Square
Step-by-step explanation:Best fit options for each question.
Two parallel lines are cut by a transversal.
1/2
3/4
5/6
7/8
If the measure of 2 is 75°, what is the measure of 5?
A.) 180°
B.) 75°
C.) 105°
D.) 90°
The value of the measure of 5 is,
⇒ ∠5 = 105°
What is mean by Angle?An angle is a combination of two rays (half-lines) with a common endpoint. The latter is known as the vertex of the angle and the rays as the sides, sometimes as the legs and sometimes the arms of the angle.
Given that;
Two parallel lines are cut by a transversal.
And, the measure of 2 is 75°.
Here, Angle 2 and 3 are vertically opposite angle.
Hence, angle 2 and 3 are equal.
And, Angle 3 and 5 are adjacent angle.
Hence, We get;
⇒ ∠3 + ∠5 = 180°
⇒ 75 + ∠5 = 180°
⇒ ∠5 = 180 - 75
⇒ ∠5 = 105°
Thus, The value of the measure of 5 is,
⇒ ∠5 = 105°
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Circle A has a radius of 10 centimeters. BC and CD are tangent to circle A. I’d ACTUALLY=26 cm, what is BC?
The measure of BC is 24 cm.
The diagram of circle A with two tangents is given in the attached figure.
The given radius of the circle is 10 cm.
AC = 26 cm
We require to calculate the value of BC.
We have,
AD = AB = 10 cm
We know that the radius of a circle is always perpendicular to the tangent at the point of intersection. It suggests that triangle ABC is a right-angle triangle.
Using the Pythagoras theorem, we get
AB² + BC² = AC²
10² + BC² = 26²
BC² = 676 - 100
BC² = 576
Take square root on both sides,
BC = √576
BC = 24
The measure of BC is 24 cm.
Hence, the correct answer is B.
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--The given question is incomplete; the complete question is
"Circle A has a radius of 10 centimetres. BC and CD are tangent to circle A. If AC = 26 cm, what is BC?
A)20cm
B)24cm
C)26cm
D)2√194cm'--
The radius of a circle is 13 millimeters. What is the circle's circumference?
Answer:
Step-by-step explanation:
The formula for the circumference of a circle is 2 * π * r, where r is the radius of the circle.
Given that the radius of the circle is 13 millimeters, the circumference of the circle is:
2 * π * 13 = 26 * π millimeters
Since the value of π is approximately 3.14, the approximate circumference of the circle is:
26 * 3.14 = 81.64 millimeters.
The product of 2.5 x 2 is five. Is that true? Or false.
Answer:
True
Step-by-step explanation:
2.5 times 2 = 5
So, the answer is true.
-5x - 4y = -12
Convert from standard form slope intercept form
Answer:
y = -5/4x + 3
Step-by-step explanation:
slope-intercept form is: y = mx + b
where 'm' represents slope and 'b' represents the y-intercept
basically we have to solve for 'y':
first step, add -5x to each side to get:
-4y = 5x - 12
last step, divide each side by -4 to get:
y = -5/4x + 3
slope equals -5/4
y-intercept equals 3
Lincoln High School’s basketball team won the regional playoffs scoring a
total of 60 points, not including free throws. The team made a total of 26
baskets; some were 2-point shots, and the rest were 3-point shots. How
many 2-point shots did the team make?
8
12
13
18
Answer:
18 2-point shots.
Step-by-step explanation:
Two equations.
First modeling 2 point and 3 point shots as x and y.
2x + 3y = 60
Second, modeling the number of shots.
x + y = 26
Which you can alter to substitute.
x = 26 - y
Substitute.
2(26 - y) + 3y = 60
52 - 2y + 3y = 60
y = 8
The team made 8 3-point shots and 18 2-point shots.
A rocket is launched from the ground. It reaches a maximum height of 45 meters in 3 seconds and then lands back on the ground after 6 seconds. What is the function, written in standard form,
that models the trajectory of the rocket? (use shift 6 for the power and no spaces)
f(x) = type your answer...
Check the picture below.
so from the provided information, we can say that the parabola has a vertex at (3 , 45) and it has a zero at (6 , 0) or we can say is just another point at (6 , 0)
[tex]~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{a~is~negative}{op ens~\cap}\qquad \stackrel{a~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill[/tex]
[tex]\begin{cases} h=3\\ k=45\\ \end{cases}\implies y=a(~~x-3~~)^2 + 45\hspace{4em}\textit{we also know that} \begin{cases} x=6\\ y=0 \end{cases} \\\\\\ 0=a(6-3)^2+45\implies -45=9a\implies \cfrac{-45}{9}=a\implies -5=a \\\\\\ ~\hfill {\Large \begin{array}{llll} y=-5(x-3)^2 + 45 \end{array}} ~\hfill[/tex]
Shape D is a reflection of Shape C in the dashed line. Work out length x
Answer:
X= 5
Step-by-step explanation:
If shape D is a reflection of shape C then the distance between the shape and the y-axis will be the same on both sides; so, if shape C has a 5cm distance between it and the y-axis, shape D will also have 5cm distance between it and the y-axis.
Which is the graph of f(x)=2(3)x?
The first graph represents [tex]f(x)=2(3) ^x[/tex].
Graph of a function:
All of the plane's points having the form (x, f(x)) that make up a function f's graph are gathered together. The graph of f is also referred as the graph of y = f. (x).
The given function is,
[tex]f(x)=2(3)^x[/tex]
Putting x = 1,
[tex]f(x)= 2(3)^1=6[/tex]
The point (1, 6) that is (x, f(x)) must therefore satisfy the condition or be on the curve of the function.
Only in case of the first graph, the point (1, 6) lies on the curve.
As a result, the first graph accurately depicts the function.
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Graph the line through (2, - 1) with m= 3.
Answer:
shown below
Explanation:
so first you can graph a dot at (2,-1), since it must go through that line. Then you can use the slope, 3, to figure out the next dot. The slope 3 can be put into a fraction, liking like 3/1. Then you use rise/run from your point (2,-1). You go up 3, and right 1. Using that, your next point is (3,2). Plot that dot, and then use a straight edge to draw your line. It looks like how it is in the picture.
Which of the following points lie in the solution set to the following system of inequalities?
y > −3x + 3
y > x + 2
(2, −5)
(−2, 5)
(2, 5)
(−2, −5)
The solution of the inequalities y > −3x + 3 and y > x + 2 will be (2, 5). Then the correct option is C.
What is inequality?Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.
The system of inequalities is given below.
y > −3x + 3
The region above the line is considered.
y > x + 2
The region above the line is considered.
The overlap portion of the region is the solution. Point (2, 5) lies in that region.
The solution of the inequalities y > −3x + 3 and y > x + 2 will be (2, 5). Then the correct option is C.
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Find the slope of the line passing through each of the following pairs of points. (4, −8), (0, −2)