It should be noted that Barbara asserts that at least one team will end up with more than 5 medals. In this case,she's correct as a team will have 6 medals.
How to illustrate the information?From the information, Barbara is in charge of the award medals for a sporting event and she has 31 medals to present to various individuals on 6 competing teams.
It should be noted that each team will get:
= 31 / 6
= 5 remainder 1
Therefore, she asserts that at least one
team will end up with more than 5 medals. In this case, she's correct.
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Select the correct answer. Which graph best models the inequality? y< - 2/5x + 2 A. A linear function on a coordinate plane passes through (minus 5, 0), (0, minus 2), and (5, minus 4) to form a blue shaded portion at the top. B. A linear function on a coordinate plane passes through (minus 5, 0), (0, minus 2), and (5, minus 4) to form a blue shaded portion at the bottom. C. A linear function on a coordinate plane passes through (minus 5, 4), (0, 2), and (5, 0) to form a blue shaded portion at the top. D. A linear function on a coordinate plane passes through (minus 5, 4), (0, 2), and (5, 0) to form a blue shaded portion at the bottom
The linear function on a coordinate plane passes through (minus 5, 4), (0, 2), and (5, 0) to form a blue shaded portion at the top.
Option (c) is correct.
What is inequality?The relation between two expressions that are not equal, employing a sign such as ≠ ‘not equal to’, > ‘greater than’, or < ‘less than’.
Given:
The given inequality is
y< - 2/5x + 2
According to given question we have
The inequality is
y< - 2/5x + 2
To solve the inequation by putting the value of
At x=0
y< - 2/5x + 2
y<-2/5*0+2
y<2
The points are (0,2).
At x= 5
y< - 2/5x + 2
y<-2/5*5+2
y<-2+2
y<0
The points are (5,0).
At x= -5
y< - 2/5x + 2
y<-2/5*-5+2
y<2+2
y<4
The points are (-5,4).
Therefore, the linear function on a coordinate plane passes through (minus 5, 4), (0, 2), and (5, 0) to form a blue shaded portion at the top.
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Answer: The linear function on a coordinate plane passes through (minus 5, 4), (0, 2), and (5, 0) to form a blue shaded portion at the top.
Option (c) is correct.
What is inequality?
The relation between two expressions that are not equal, employing a sign such as ≠ ‘not equal to’, > ‘greater than’, or < ‘less than’.
Given:
The given inequality is
y< - 2/5x + 2
According to given question we have
The inequality is
y< - 2/5x + 2
To solve the inequation by putting the value of
At x=0
y< - 2/5x + 2
y<-2/5*0+2
y<2
The points are (0,2).
At x= 5
y< - 2/5x + 2
y<-2/5*5+2
y<-2+2
y<0
The points are (5,0).
At x= -5
y< - 2/5x + 2
y<-2/5*-5+2
y<2+2
y<4
The points are (-5,4).
Therefore, the linear function on a coordinate plane passes through (minus 5, 4), (0, 2), and (5, 0) to form a blue shaded portion at the top.
Step-by-step explanation:
Each ordered pair is from an inverse variation. Find the constant of variation. (√2, √18)
The value of constant variation is √16.
What is a constant?A mathematical constant is a significant integer that has a steady value and is specified by a precise definition.
What is inverse variation?relationship between two variables in mathematics that may be represented by an equation where the product of their products equals a constant
Inverse variation is y = k. 1/x
given y = √18
x = √2
So, √8 = k. 1/√2
So, the value of k = √16
We can conclude that the value of constant variation is √16
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what is the product of 3 1/2 X 3 1/4
Answer:
11 3/8.
Step-by-step explanation:
3 1/2 * 3 1/4
= 7/2 * 13/4
= 91/8
= 11 3/8.
Which equation results from taking the square root of both sides of (x + 9)2 = 25?
Ox+3=+5
Ox+3=+25
Ox+9=+5
Ox+9=+25
So, the correct equation is equivalent to the x + 9 = ±5. The third option is correct.
What is the quadratic equation?
It is a polynomial that is equal to zero. Polynomial of variable power 2, 1, and 0 terms are there. Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation. The general form of the quadratic equation is ax² + bx + c.
Given
(x + 9)² = 25 is a quadratic equation.
How to find the equation results from taking the square root of both sides?
(x + 9)² = 25 is a quadratic equation.
Taking square root on both sides.
(x + 9) = √25
(x + 9) = ±5
So, the equation is equivalent to the x + 9 = ±5.
Thus, the third option is correct.
A shuttle bus to Willow Creek Mall has enough seats for 21 people to ride. Right now, there are 12 people on the bus. Let x represent how many more people can ride on the bus. Which inequality describes the problem? 12 + x ≤ 21
Answer:
The inequality that describes the problem for the given equation that is 12 + x ≤ 21 is x = 9.
Step-by-step explanation:
It is given that a shuttle bus to Willow Creek Mall has enough seats for 21 people to ride. Right now, there are 12 people on the bus.
It is further provided that, let x represent how many more people can ride on the bus and we need to find which inequality describes the problem for the given equation that is 12 + x ≤ 21.
Now,
based on the above-mentioned conditions it can be formulated that;
=> 12 + x = 21
After rearranging the terms;
=> x = 21 - 12
=> x = 9
Therefore, the inequality that describes the problem for the given equation that is 12 + x ≤ 21 is x = 9.
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Simplify: the sum of 5.5 and 4.3 all divided by the quantity 4 end quantity times the quantity 2 minus 6 end quantity squared plus 5.
The simplified form of the expression which is as described by the word phrase given in the task content is; 83.4.
In order words, when the sum of 5.5 and 4.3 all divided by the quantity 4 end quantity times the quantity 2 minus 6 end quantity squared plus 5 is being simplified, it gives 83.4
What is the simplified form of the word phrase given in the task content?According to the task content, it follows that the expression given by the word phrase and required to be simplified is;
{(5.5 + 4.3)/4} × (2-6)² + 5.
Hence, it follows from PEMDAS guidelines that the parentheses be solved first as follows;
{(9.8)/2} × (-4)² + 5
= 4.9 × 16 + 5
Hence, by multiplying first, we have;
= 78.4 + 5
= 83.4.
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The simplified form of the expression which is as described by the word phrase given in the task content is; 83.4.
In order words, when the sum of 5.5 and 4.3 all divided by the quantity 4 end quantity times the quantity 2 minus 6 end quantity squared plus 5 is being simplified, it gives 83.4
What is the simplified form of the word phrase given in the task content?
According to the task content, it follows that the expression given by the word phrase and required to be simplified is;
{(5.5 + 4.3)/4} × (2-6)² + 5.
Hence, it follows from PEMDAS guidelines that the parentheses be solved first as follows;
{(9.8)/2} × (-4)² + 5
= 4.9 × 16 + 5
Hence, by multiplying first, we have;
= 78.4 + 5
= 83.4.
A football team has attempted 6 running plays. The change in field position resulting from each play is shown in the table. Running Play Outcomes Play 1 − 3 yards Play 2 2 yards Play 3 − 1 yard Play 4 − 2 yards Play 5 − 3 yards Play 6 1 yard What is the average change in field position per running play? Responses − 6 yards per play negative 6 yards per play − 1 yard per play negative 1 yard per play 0 yards per play 0 yards per play 1 yard per play 1 yard per play
1 yard is added to the field position on average for each running play.
What does "Average" mean?In plain English, an average is a single number chosen to represent a group of numbers; it is often the sum of the numbers divided by the number of numbers in the group. For instance, based on the information provided, the average of the digits 2, 3, 4, 7, and 9 is 5.
Detailed explanation:
A data set's average can be calculated by:
Average = sum of data values/ total number of values
Given: The total number of plays =6
Sum of the change in field position resulting from each play is given by :-
sum =-3+2+(-1)+(-2)+(-3)+(1)
=-6
Now, the average change in field position per running play is given by :-
Average = sum/total plays
=-6/6
=-1
Hence, the average change in field position per running play is -1 yard per play.
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Oona likes only red,yellow and blue markers. 1/6 of OONA'S markers are red and 1/4 of the markers are yellow and the rest are blue. She has 8 red markers. How many blue markers does she have?
Answer:
28
Step-by-step explanation:
If 1/6 of the markers are red (8) then 8 * 6 = 48 meaning Oona has 48 markers, 8 of them being red.
1/4 of 48 is 12, so 12 yellow markers
If the rest are blue, then 8+12 = 20 and 48-20=28
There are 28 blue markers
i will give u more points by brainliest!!
ok i help and answers
Combining the like terms, the equivalent expressions are given as follows:
-15a - 3b + 16a + 4b = a + b.2a - 4b - 3a + 6b + 6 = -a + 2b + 6.2a + 2b - 6a -3 - 2b + 6 = -4a + 3.3a - 6b - 6 + 2a + 6b + 2 = 5a - 4.3a + 4a + 2b - 4 - 5b - 10 = 7a + 7b - 14.How do we add and subtract symbolic expressions?To add or subtracted symbolic expressions, in which the terms are accompanied by letters, we combine the like terms, that is, we add or subtract terms that have the same letter.
One example is:
a + b + 3a + 20b = 4a + 21.
As 1 + 3 = 4, 1 + 20 = 21.
Hence the equivalent expressions for the first space is:
-15a - 3b + 16a + 4b = a + b.
For the second space, it is:
2a - 4b - 3a + 6b + 6 = -a + 2b + 6.
For the third space, it is:
2a + 2b - 6a -3 - 2b + 6 = -4a + 3.
For the fourth space, it is:
3a - 6b - 6 + 2a + 6b + 2 = 5a - 4.
For the fifth space, it is:
3a + 4a + 2b - 4 - 5b - 10 = 7a + 7b - 14.
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In a bake sale, you recorded the number of muffins sold and the amount of sales in a table as shown.
b. How many muffins would you have to sell to make at least $ 250.00 in sales?
Total number of muffins you would have to sell to make at least $ 250.00 in sales is 100 muffins.
What is the sales amount ?The sales amount can be find by the total sales. That is , if there are n products to sell and selling amount is x rs. then we can easily find the total sales by multiplying them and by this total sales we can easily find the number of items sold per units and vice versa.
In the question given,
amount (A) = $ 250.00
Now take any of two values from table ,
Choose any two points and calculate the slope:
slope = [tex]\frac{50 - 20}{20 - 8}[/tex] = 2.5
thus, y = 2.5x
we can also write this as,
A = 2.5 m , where m is number of muffins
Therefore, m = 250 / 2.5 = 100
Hence, Total number of muffins to sell are 100 .
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The complete question is:
In a bake sale, you recorded the number of muffins sold and the amount of sales in a table as shown.
a. What is a function that relates the sales and the number of muffins?
b. How many muffins would you have to sell to make at least $ 250.00 in sales?
Simplify each number. 16¹.⁵
The result of simplifying each number 16¹.⁵ using the exponent rules is 2⁽²⁰⁾
To solve this exercise we have to resolve algebraic operations following the exponent rules.
16¹.⁵
Base= 16= 2⁴
The base number 16 is the same as: 2⁴, then we get:
(2⁴)¹.⁵
Using the power of a power rule that indicates that: the exponent result will be the multiplication of these exponents, we have:
4⁽⁴*¹*⁵⁾
4⁽⁴*⁵⁾
2⁽²⁰⁾
What is an exponent?In mathematics an exponent is the number of time that a number, called (base) is multiplied by itself. It is also called, power or index.
Example: 3² = 3*3 = 9
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An airline asked its agents to assign convenience ratings on a scale of 1–7 to 114 flights leaving one of its hub cities. The histogram below shows the distribution of the ratings of the 114 flights. What is the median rating assigned by the agents?
The median rating assigned by the agents is mathematically given as
X=4.35
This is further explained below.
What is the median rating assigned by the agents?Generally,4.35 is the middle rating that the agents have given the product.
In light of the fact that an airline requested that its agents rate the level of convenience offered by 114 flights departing from one of its hub locations on a scale ranging from 1 to 7, the following graph has to be evaluated in order to discover what the median rating that the agents gave was:
X=(8 x 1 + 11 x 2 + 19 x 3 + 17 x 4 + 23 x 5 + 25 x 6 + 11 x 7) / 114
X=(8 + 22 + 57 + 68 + 115 + 150 + 77) / 114
X=497/114
X=4.35
In conclusion, 4.35 is the median rating that the agents have given the product.
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Last year at a certain high school, there were 150 boys on the honor roll and 84 girls
on the honor roll. This year, the number of boys on the honor roll decreased by 12%
and the number of girls on the honor roll decreased by 25%. By what percentage did
the total number of students on the honor roll decrease? Round your answer to the
nearest tenth (if necessary).
Suppose you deposit $ 600 into a savings account that pays 3.9 % annual interest. How much will you have in the account after 3 years if no money is added or withdrawn?
We will have $ 672.97 in the account if no money is added or withdrawn from the account.
Amount deposited in the account = $ 600
Interest rate = 3.9 % annually
Time period = 3 years.
No money is added or withdrawn.
So, we will use the Compound Interest to calculate the amount after 3 years.
We have:
Compound interest formula:
A = P ( 1 + r )ⁿ
Here, P = $ 600
r = 3.9 %
n = 3 years
Substituting the values in the formula, we get that:
Compound interest = $ 600 ( 1 + 0.039 )³
Amount = $ 600 ( 1.039 )³
Amount = $ 600 ( 1.122)
Amount after 3 years = $ 672.97
Therefore, we will have $ 672.97 in the account if no money is added or withdrawn from the account.
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9. Line a║b, c is a transversal then y = ?
Answer:
Step-by-step explanation:
55
how would I do this??
[tex]\begin{array}{ccll} miles&gallons\\ \cline{1-2} 350 & 20\\ 875& g \end{array} \implies \cfrac{350}{875}~~=~~\cfrac{20}{g} \\\\\\ \cfrac{2}{5}=\cfrac{20}{g}\implies 2g=100\implies g=\cfrac{100}{2}\implies g=50[/tex]
8−4s=s+13 solve for s
LÀm bài tập trông ảnh
Answer:lm
Step-by-step explanation:
Simplify each expression. (x¹/₅)¹⁰
The answer to the expression is [tex]= x^{2}[/tex]
The phrase simplifies manner to make something simpler to do or recognize. So, by decreasing or simplifying the fractions method we make the fraction as simple as feasible. We do this by dividing the numerator and the denominator with the aid of the most important range that could divide into both numbers precisely.
The only form is likewise known as the decreased form of a fraction. for instance, ¾ is the most effective shape of a fraction that has a not unusual thing equal to 1. but 2/4 is not the most effective form, because 2/four can in addition be simplified and written as ½.
Step one is to perceive a common issue between the denominator and numerator. The denominator and numerator are each divided by the commonplace thing. The department operation is repeated until there are not any extra elements. The fraction is said to be simplified if no greater factors go out.
apply exponent rule [tex](a^{b} )^{c} = a^{bc}[/tex]
assuming a≥ 0
[tex]x^{1/5} . 10[/tex]
[tex]\frac{1}{5} .10 =2[/tex]
[tex]= x^{2}[/tex]
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2.5 points
Find the mean of the following: 25, 48, 40, 50, 28, 31, 34, 49, 42, 39, 44, 48,
Round to the nearest tenth, if necessary. *
Answer:
Your answer is 39.8
You basically add all the numbers and divide by how many numbers there are.
Check all that apply. If csc = 13/5 then:
A. cos=5/13
B. sin= 5/13
C. sec = 5/13
D. tan=5/12
In the given function if csc = 13/5 then:
(B) sin= 5/13(D) tan=5/12What are trigonometric functions?In trigonometry, there are six functions of an angle that are commonly used. Sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant are their names and abbreviations (csc).So,
cscθ = 13/5 ⇒ 1/sinθ = 13/5
When both sides are flipped:
sinθ = 5/13Tangent is found by knowing that 13 is the hypotenuse because it is the longest side, and 5 is "opposite," so 12 is "adjacent."
tanθ = 5/12And because cosine is adjacent/ hypotenuse, the equation is:
cosθ= 12/13Secθ is the inverse of cos theta, so it is as follows:
secθ= 13/12So, (B) sin= 5/13 and (D) tan=5/12 are correct.
Therefore, in the given function if csc = 13/5 then:
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Simplify each expression. y⁵/₇ / y³/₁₄
The result of simplifying the expression y⁵/₇ / y³/₁₄ using the exponent rules is [tex]\sqrt{}[/tex](y)
To solve this exercise we have to resolve algebraic operations following the exponent rules.
[(y)⁵/₇] / [(y)³/₁₄]
Using the quotient that indicates that: the exponent result will be the subtraction of these exponents, we have:
(y)⁵/₇ ⁻ ³/₁₄
(y) ⁽¹⁰⁻³⁾/¹⁴
(y) ⁽⁷/¹⁴)
(y) ¹/²
As we have a fractional exponent, you must convert the exponent to root:
[tex]\sqrt{}[/tex](y)
What is an exponent?In mathematics an exponent is the number of time that a number, called (base) is multiplied by itself. It is also called, power or index.
Example: 3² = 3*3 = 9
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HELPPP !!!
What is the slope of a line that is perpendicular to a line whose equation is -6y=2x+7?
The slope of the line with equation - 6y = 2x + 7 is - 1/3.
The slope of a line is the rise-to-run ratio or the rise divided by the run. It gives information about a line's slope in the coordinate plane.
The general equation of a straight line is y = mx +c where m is the slope of the line.
Now,
Consider the equation of the line,
- 6y = 2x + 7
Dividing each side of the equation by 6.
( - 6y/ 6 ) = ( 2x / 6 ) + ( 7/6 )
- y = x/ 3 + 7/ 6
Multiplying each side of the equation by - 1,
- y × - 1 = x/ 3 × -1 + 7/ 6 × - 1
y = - x/3 - 7/6
y = - (1/3) × (x) - 7/6
Now comparing the equation with the general equation y = mx + c.
We get, the slope of the line as:
m = - 1/3
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for f(x)=2x-1 solve for f(1) f(-2) f(5)
Answer:
f(1) = 1 , f(-2) = -5, f(5) = 9
Step-by-step explanation:
f(x) = 2x-1
then,
f(1) = 2×1-1
= 2-1
= 1
f(-2) = 2×(-2)-1
= -4-1
= -5 ( when sign is both negative the values are added but sign is kept negative)
f(5) = 2×5-1
= 10-1
= 9
Which equation represents the line through (0, 0) and (4, 7)?
A. y = 7/4x
B. y = 4/7x
C. y = 7x
D. y = 4x
The equation of the straight line is y = 7/4 x .
A straight line is an endless, one-dimensional shape with no breadth. It is made up of two connected points on either side of a point that are connected indefinitely. A straight line has no curvature. It could be horizontal, vertical, or inclined.
A straight line's equation is of the form y = mx + c, where m denotes the slope and c the y-intercept.
The concept of a line is strongly tied to how the geometry is described given the range of geometries in contemporary mathematics.
For instance, in analytic geometry, a line in the plane is typically defined as the set of points whose coordinates fulfil a particular linear equation, but in a more abstract setting, such as incidence geometry,
The given points for the line is given by (0, 0) and (4, 7)
Now let us calculate the slope of the line:
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
Substituting the values we get the slope of the line is
m = 7/4
Now we will use the equation :
y-y₁=m(x-x₁)
y-0 = 7/4(x-0)
or, y = 7/4 x
Therefore the equation of the required line is y = 7/4 x
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What is 10-7+1 step by step
Solve each inequality using a table.
(Hint: For more accurate results, set ΔTbl=0.001 )
log x+5 log (x-1) ≥ 3
After solving the given inequality the answer is logx+5log₁₀(x-1) ≥ 3.
What do we mean by inequality?In mathematics, an inequality is a connection that makes a non-equal comparison between two numbers or even other mathematical expressions.It is most commonly used to compare the size and shape of two numbers on a number line.So,
Given: logx+5 log(x-1) ≥ 3
logx+5 log(x-1) ≥ 3 ⇒ logx+5log₁₀(x-1) ≥ 3
Therefore, after solving the given inequality the answer is
logx+5log₁₀(x-1) ≥ 3.
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Solve. Check for extraneous solutions. 5√x+7=8
The answer is x = [tex]\frac{1}{25}[/tex].
5√x + 7 = 8
⇒ 5√x = 8 - 7
⇒ 5√x = 1
⇒ √x = [tex]\frac{1}{5}[/tex]
Squaring both sides, we get,
⇒ x = [tex]\frac{1}{25}[/tex]
Answer) x = [tex]\frac{1}{25}[/tex]
An extraneous solution refers to the roots of the transformed equation. This root is not the root of the original equation, as the original equation has been transformed to create another equation from which the answer has been found. The original equation has been excluded from the domain of the function.
In the given equation, I have tried to take the equation in the value of x, and hence, after squaring the value, the root has been found.
Since the square root function is used, we get a single value for the variable x.
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PLS HELPPPPPPPPPPPPPPPPPP MEEEEEEEEEEEEEEEEEEEEE PLSSSSSSSSSSSSSSS AND EXPLAIN HOW U GOT IT
The factors are (x + 4), (x + 5) & (x - 4) and the solution is x = -4, = -5 and x = 4
How to factor and list all the solutions of the equation?The given parameters are
f(x) = x^3 + 5x^2 - 16x - 80
x = -4 is a root
To set up the synthetic division, we start by writing out the coefficient of each term
So, we have
-4 | 1 5 -16 -80
Bring down the first coefficient
-4 | 1 5 -16 -80
1
Multiply by -4
So, we have
-4 | 1 5 -16 -80
(-4)
1
Add
-4 | 1 5 -16 -80
(-4)
1 1
Multiply by -4
So, we have
-4 | 1 5 -16 -80
(-4) (-4)
1 1
Add
So, we have
-4 | 1 5 -16 -80
(-4) (-4)
1 1 -20
Multiply by -4
-4 | 1 5 -16 -80
(-4) (-4) 80
1 1 -20
Add
So, we have
Multiply by -4
-4 | 1 5 -16 -80
(-4) (-4) 80
1 1 -20 0
This means that,
Quotient = x^2 + x - 20
Remainder = 0
Expand x^2 + x - 20
x^2 + x - 20 =x^2 + 5x - 4x - 20
Factorize
x^2 + x - 20 = (x + 5)(x - 4)
Recall that the initial root is
x = -4
Rewrite as
x + 4 = 0
So, we have the complete factor to be
f(x) = (x + 4)(x + 5)(x - 4)
Set to 0
(x + 4)(x + 5)(x - 4) = 0
Solve for x
x = -4, = -5 and x = 4
Hence, the factors are (x + 4), (x + 5) & (x - 4) and the solution is x = -4, = -5 and x = 4
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