The mass of the wine can be found by multiplying the density of the wine (0.8 kg/litre) by the volume of the wine (20 litres). The mass of the wine is 16 kg.
What makes for an excellent density example?Its density is how much "stuff" can fit into a certain quantity of space. For instance, a block of the more resilient, lighter element gold (Au) will have a higher density than a block of the more substantial element lead (Pb) (Au). Styrofoam blocks are not as dense as bricks. Mass per unit volume serves as its definition.
We use the word "density" to indicate how much space (or "volume") an object or substance occupies in relation to the amount of matter contained therein (its mass). Density can also be defined as the quantity of mass per unit of volume.
mass = density x volume
mass = 0.8 kg/litre x 20 litres
mass = 16 kg
So, the mass of the wine is 16 kg.
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Aaron just accepted a job at a new company where he will make an annual salary of $52000. Aaron was told that for each year he stays with the company, he will be given a salary raise of $3500. How much would Aaron make as a salary after 6 years working for the company? What would be his salary after t years?
Aaron would make $73000 salary after 6 years. His salary after t years will be 52000 + 3500t. The solution has been obtained by using the linear expression.
What is a linear expression?
The expression with the highest degree of one is a linear expression. This demonstrates that there are no variables in a linear expression with an exponent bigger than one. Such an equation yields a straight line on the graph.
We are given that Aaron has just accepted a job at a new company where he will make an annual salary of $52000.
Also, for each year he stays with the company, he will be given a salary raise of $3500.
So, let's formulate a linear expression for the given situation.
The expression comes out to be
52000 + 3500t, where t denotes the number of years
Salary after 6 years will be
⇒52000 + 3500(6)
⇒52000 + 21000
⇒$73000
Hence, Aaron would make $73000 salary after 6 years and his salary after t years will be 52000 + 3500t.
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Evaluate the expression.
(13+9)+37
=
Answer: 59
Step-by-step explanation:
(13 + 9) + 37
13 + 9 = 22
22 + 37
59
Which is a correct solution for the following system of Inequalities
The solution for the system of inequalities is (-0.43,4.15).
What is an inequality?
An inequality statement in algebra uses the inequality symbol to illustrate the relationship between two expressions. A symbol of inequality has non-equal expressions on both sides.
We are given a graph on which two inequalities are plotted
First, we need to frame the equations from the points.
For the blue line, we have points (0,2) and (-1,7)
So, using slope-intercept form, we get the equation as
y+5x>2
For the red line, we have points (0,4) and (3,3)
So, using slope-intercept form, we get the equation as
y+0.33x >4
Now, in order to find the solution, we will subtract both the equations
On subtracting, we get
⇒(y+5x) - (y+0.33x) = 2 - 4
⇒y+5x - y-0.33x = -2
⇒4.67x = -2
⇒x = -0.43
Substituting this value in the equation, we get
⇒y+5(-0.43) = 2
⇒y-2.15 = 2
⇒y = 4.15
Hence, the solution for the system of inequalities is (-0.43,4.15).
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i need help. like... really need help.
The domain of the function graphed in this problem is given as follows:
{x | x ≥ -4}.
How to obtain the domain of the function?The domain of a function is the set composed by all the input values that the function accepts.
On the graph, the domain of the function is given by the values of x.
From the graph of the function, the function has a closed interval at x = -4, and is defined for all the values for the right of that, that is, greater than -4, hence the notation for the domain is given as follows:
{x | x ≥ -4}.
Meaning that the correct option is given by the second option.
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evaluate 1+(-2/3)-(-m) where m=9/2
To evaluate the expression 1+(-2/3)-(-m) where m = 9/2, we need to substitute the value of m into the expression and simplify it.
What is a mathematical expression?
Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression's structure is as follows: Expression: (Math Operator, Number/Variable, Math Operator)
1+(-2/3)-(-m)
1+(-2/3)-(-9/2)
Here, we have to simplify the inner expressions first,
-9/2 can be simplified to -4.5
1+(-2/3)-(-4.5)
Next, we add and subtract the terms:
1-2/3+4.5
Now, we simplify -2/3 by multiplying both numerator and denominator by -1:
1+4/3+4.5
Now, we add the fractions,
1+4/3+4.5
7/3+4.5
Finally, we get the value of the expression as
7/3+4.5 = 4.5 + 7/3 = 25/3.
So the final value of the expression 1+(-2/3)-(-m) where m=9/2 is 25/3.
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How many sides does a regular
polygon have if an interior
angle measures 150°?
n = [?]
The number of sides of a regular polygon with an interior angle that measures 150° is equal to 12 sides.
What is a regular polygon?In Euclidean geometry, a regular polygon simply refers to a form of polygon which has all of its sides and interior angles being equal.
In Geometry, the sum of the interior angles of both a regular and irregular polygon is given by this formula:
Sum of interior angles = 180 × (n - 2)
Where:
n represents the number of sides of a regular polygon.
Similarly, the number of sides of a regular polygon with a given interior angle can be calculated by using this mathematical expression:
Interior angles = 180 × (n - 2)/n
150° = 180(n - 2)/n
150n = 180n - 360
180n - 150n = 360
30n = 360
n = 360/30
n = 12 sides.
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what is (8/9)^2 pls i need it
Answer: about 0.79
Step-by-step explanation:
First divide 8 by 9 --> (8/9) = about 0.8889
then square that value --> (0.8889)^2 = about 0.79.
PEMDAS is your friend!
Ex4: Write a polynomial function in standard form with the given zeros then graph the function: ( 2 pts)
x=-1,-1, 2,3
After setting f (x) = 0, solve for to determine the intercept(s) of. Set y = f(0) and then find to determine the intercept of. Choose test points to establish the sign of each interval on the axis after using the intercept(s) to divide it into intervals. Determine the test points.
How do you graph a polynomial function with zeros?The Use of Zeros When Graphing Polynomials
You may graph a polynomial function using the steps below.
To assess how the graph will behave at its finish, use the leading-term test.
Choose the x− capture(s) of f(x) by putting f(x)=0 and then figuring up a solution for x .
Choose the y− a snare in f(x) by putting y=f(0) and discovering y.
Use the x− dividing intercept(s) x−
Divide the axis into intervals and then select test points to ascertain the sign of f(x) per interval.
the test points on a map.
To identify the general form of the graph, locate additional points as necessary.
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Translate the following into equivalent predicate statement :
i. There is an integer whose square is twice itself.
ii. No school buses are purple.
iii. If a real number is even, then its square is even.
i. ∃x ∈ Z, x² = 2x, ii. ∀y ∈ school buses, y is not purple and iii. ∀x ∈ R, if x is even, then x² is even.
i. The equivalent predicate statement for the first statement is:
∃x ∈ Z, x² = 2x
The symbol "∃" means "there exists", the symbol "∈" means "is an element of", and the symbol "Z" represents the set of integers.
ii. The equivalent predicate statement for the second statement is:
∀x, (x is a school bus) → (x is not purple)
The symbol "∀" means "for all", and the symbol "→" means "implies".
iii. The equivalent predicate statement for the third statement is:
∀x ∈ R, (x is even) → (x² is even)
The symbol "∈" means "is an element of", and the symbol "R" represents the set of real numbers.
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Your parents are taking you and some of your friends to the movies tonight. Your parents might bring your grandparents and other adults to the movies as well. Adult tickets cost $11 each, and children's tickets cost $8 each. Write an equation that represents the total cost for the movie tickets. What is one combination of tickets that would total $57?
Answer:
57 = 33+24 = 3a+3c
Step-by-step explanation:
Let a= adults, c = children
total costs = 11a+8c
57 = 33+24 = 3a+3c
Answer: We can use the variables x and y to represent the number of adult tickets and children's tickets, respectively. The cost of adult tickets is $11 each and the cost of children's tickets is $8 each. So, we can use the following equation to represent the total cost for the movie tickets:
C = 11x + 8y
Where C is the total cost of the tickets, x is the number of adult tickets and y is the number of children's tickets
One combination of tickets that would total $57 is:
C = 11x + 8y = $57
x + y = 7 (number of tickets)
One way to satisfy this equation is to have 5 adult tickets and 2 children's tickets
x = 5
y = 2
C = 115 + 82 = $57
So, 5 adult tickets and 2 children's tickets is one combination that would total $57.
Step-by-step explanation:
Heyy can anyone help me in this please IMP
Answer:
Step-by-step explanation:
I really need help with this question please and thank you
Answer:
9. reduction, 1/2
10. enlargement, 3/2
11. enlargement, 3
12. reduction, 1/3
Step-by-step explanation:
You want to know whether the dilations shown are reduction or enlargement.
Dilation
If the image (figure B) is larger, the dilation is an enlargement. (10, 11)
If the image (figure B) is smaller, the dilation is a reduction. (9, 12)
Scale FactorThe scale factor is the ratio of a length on the image to the corresponding length on the original figure. It will also be the ratio of distances from the center of dilation (the origin) of corresponding points.
9.The ratio of line lengths B/A is 3/6, a reduction by a factor of 1/2.
10.The ratio of distances from the origin on the x-axis is 3/2, an enlargement by a factor of 3/2.
11.The ratio of distances from the origin on the x-axis is 6/2, an enlargement by a factor of 3.
12.The ratio of distances from the origin on the x-axis is 2/6, a reduction by a factor of 1/3.
PLSSS HELP IF YOU TULRY KNOW THISSSS
Answer: The answer is 7
Step-by-step explanation:
Answer: x = 7
Step-by-step explanation:
Subtract 7 on each side to isolate X
7 + x = 14
-7 -7
x = 7
What is the slope of the line in the graph below?
undefined
−2
2
0
Answer:
Step-by-step explanation:
The slope of the given line in the graph is "undefined".
Define the term slope of the line?Slope, usually referred to as rise over run, is the "steepness" of the line.
By dividing the difference in y values between two points by the difference in x values, we may determine slope.
A line's slope does not summarily characterize it. As a result, even if you know a line's slope, you cannot identify the exact spots the line passes through.Any two lines with the same slope are said to be parallel. When a line is rotated 90 degrees, it becomes perpendicular and becomes parallel. A horizontal line is one that has a slope of 0. Positive lines are those that rise as they move further to the right.The y-axis is an example of a vertical line that is believed to have an "undefined" slope.Thus, as the line is passing through the y axis and parallel to the x axis, the slope of the given line is undefined.
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The ratio of the number of Mimi’s Eminem cd’s to the number of Rita’s Eminem cd’s is 5:8. Rita has 18 more Eminem cd’s than Mimi. If Rita gives 22cd’s to Mimi, what will be the new ratio of the number of Mimi’s Eminem cd’s to Rita’s?
2:1 is the new ratio of the number of Mimi’s Eminem cd’s to Rita’s.
What is Ratio?A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.
let Rita has X CDs.
Then Mimi has x-18 CDs.
x-18/x=5/8
8(x-18)=5x
Apply distributive property
8x-144=5x
Subtract 5x+144 on both sides
3x=144
Divide both sides by 3
x=48
Now Rita has 48-22= 26 CDs .
Mimi has 30+22= 52 CDs.
Required Ratio = 52:26 = 2:1
Hence, 2:1 is the new ratio of the number of Mimi’s Eminem cd’s to Rita’s.
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On a team, 3 girls and 2 boys scored a total of 27 points. The difference between the number of points scored by the 3 girls and the number of points scored by the 2 boys is 15. Each girl scored the same number of points, and each boy scored the same number of points. Find the number of points scored by each girl and each boy.
Answer:
We can start solving the problem by using algebra. Let x be the number of points scored by each girl, and y be the number of points scored by each boy. Then, based on the information given in the problem, we have the following equations:
x + y = 27 (the total number of points scored by the team)
3x - 2y = 15 (the difference between the number of points scored by the 3 girls and the 2 boys)
To solve for x and y, we can use the second equation to eliminate one of the variables. Multiplying both sides of the second equation by 2, we get:
6x - 4y = 30
Now we can substitute this into the first equation:
6x - 4y + y = 27
6x = 27 + 4y
x = (27 + 4y)/6
Now we can substitute this back into the second equation:
3((27 + 4y)/6) - 2y = 15
27 + 2y - 2y = 15
27 = 15
This is a contradiction, so the given information is insufficient to find the number of points scored by each girl and each boy.
Step-by-step explanation:
Suppose you are trying to find your longitude and start looking for when the shadows are shortest at your house. You discover that this happens at 1:14:20 p. M. EDT (Eastern Daylight Savings Time). What is this time in GMT? Remember that EDT = GMT – 4. 2Points Be sure to show your work to earn full credit
Time in GMT is 5:14:20 P.M (GMT)
Eastern Daylight Saving Time is four hours behind GMT (Greenwich Mean Time).
The time on the Earth's meridian, or zero-degree line of longitude, is known as Greenwich Mean Time (GMT). This passes via the Old Royal Observatory in the London district of Greenwich on its way from the North Pole to the South Pole.
This is,
Eastern Standard Time is equal to Greenwich Mean Time plus four.
Therefore,
1:14:20 p.m. EDT (Eastern Daylight) will be equivalent to;
1:14:20 p.m + 4 hours (GMT)
5:14:20 P.M (GMT)
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determine if the given expressions are equivalent
Answer:
in order from top row to bottom row
NOT EQUIVALENTEQUIVALENTEQUIVALENTNOT EQUIVALENTStep-by-step explanation:
4(2a + 7) = 4 (2a) + 4(7) = 8a + 28the coefficients of the terms on the right side of a ___ equation are the numbers in the triangle.
The figures in the triangle represent the coefficients of the terms on the right side of a binomial equation.
Binomial Theorem: The expansion grows complex and time-consuming to calculate as the power rises. The Binomial Theorem can be used to quickly calculate a binomial statement that has been raised to a very high power. Find out everything there is to know about the binomial theorem, including its definition, characteristics, and uses.
An expression that has been raised to any finite power can be expanded using the binomial theorem. A useful expansion technique with applications in probability, probability theory, and algebra is the binomial theorem.
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please help me with this problem!!
The details which describe the free African American who lived in the South is that they were counted as part of population statistics which is denoted as option D.
What is Population statistics?This is referred to an an entire set of items from which you draw data for a statistical study while on the other hand, population refers to the people who live in a particular area at a specific time.
From the passage we were told that there was about 225,964 free African americans of which only 6 percent were free black people which made them less than those found in the North. They were counted during census which means that they were part of the population statistics.
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Lenny has 104 coins in his pocket made up of nickels and dimes worth
$22.00. Write and solve a system of equations to find out how many
nickels and quarters he has.
On solving the equations x + y = 104 and 0.05x + 0.25y = 22, the number of nickels and quarters Lenny has is 20 and 84 respectively.
What is an equation?
A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").
The value of 1 nickel is = $0.05
The value of 1 quarter is = $0.25
The total amount of coins is = $22.0
The total number of coins is = 104
Let the number of nickel be = x
Let the number of quarter be = y
The equation for total number of coins =
x + y = 104 ....(1)
The equation for total amount of coins =
0.05x + 0.25y = 22 ...(2)
Multiply equation (1) by 0.05 -
0.05(x + y) = 104 × 0.05
0.05x + 0.05y = 5.2 ... (3)
Subtracting equation (3) from (2) -
0.05x + 0.25y - (0.05x + 0.05y) = 22 - 5.2
0.05x + 0.25y - 0.05x - 0.05y = 22 - 5.2
0.20y = 16.8
y = 84
Substitute the value of y in equation (1) -
x + 84 = 104
x = 104 - 84
x = 20
Therefore, the value for x and y is obtained as x = 20 and y = 84.
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WILL GIVE BRAINLIEST AND 30 POINTS IF SOMEONE HELPS
The variables are x = 1/2 and y = 5/3
How to solve for the variable x and y?From the figure, we have been told 21x = 5x + 8. So let's solve for x.
21x = 5x + 8
21x - 5x = 8
16x = 8
x = 8/16
x = 1/2 = 0.5
Using the Basic Proportionality Theorem or Thales’s Theorem, which states that "If three or more parallel lines intersect two transversals, then they cut off the transversals proportionally". We can say:
(20y-2)/(17y + 3) = (5x+8)/(21x)
Substitute x = 0.5 and solve for y:
(20y-2)/(17y + 3) = (5(0.5) + 8)/(21(0.5))
(20y-2)/(17y + 3) = (10.5)/(10.5)
(20y-2)/(17y + 3) = 1
20y-2 = 17y + 3
20y - 17y = 3 + 2
3y = 5
y = 5/3
Thus, the variables are x = 1/2 and y = 5/3
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What would the answer be?
Answer: AAS → Makes the most sense
- They give two angles and a side for both triangles
Step-by-step explanation:
A card is drawn from a standard deck and a
letter is chosen from the word
INCREDIBLE. What is the probability of
drawing a king then getting an I?
The probability of drawing a king then getting an 1 is P = 0.006
How to find the probability?First we need to find the probability of randomly drawing a king from the deck, that is equal to the quotient between the number of kings on a deck and the total number of cards on the deck.
There are 4 kings and 52 cards, thus the probability is:
p = 4/52
Then we want to get a 1, the probability is computed in the same way, notice that now there are 51 cards on the deck because we already drawn one.
q = 4/51
The joint probability (first drawing a king and then a 1) is equal to the product between the individual ones.
P = (4/52)*(4/51) = 0.006
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The two tables give the number of pints of blue and yellow that are used to make different amounts of two shades of green dye. Green #1 is made by mixing blue and yellow in a ratio of 2:3 2:3 . Green #2 is made by mixing blue and yellow in a ratio of 1:2 1:2 . Use the drop-down menus to complete each sentence below.
In the two highlighted rows show that for the same amount of yellow, Green #1 uses more blue than Green #2 and green #1 is bluer shade of green than Green # 2.
How to explain the table?It should be noted that there are two tables which give the number of pints of blue and yellow that are used to make different amounts of two shades of green dye.
Green #1 is made by mixing blue and yellow in a ratio of 2 : 3.
Green #2 is made by mixing blue and yellow in a ratio of 1 : 2.
The first one has 2 parts of blue at 3 parts of yellow. In the two highlighted rows show that for the same amount of yellow, Green #1 uses more blue than Green #2.
In grade two the blue part is half of the yellow part. This means that green #1 is bluer shade of green than Green # 2.
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Find the area of this circle. Use 3 for T. A = πr² [?] in² 26 in
The Area of the circle, A is 530.66 inch.
Define area of circle?An area of a circle is the amount of two-dimensional space within the boundaries of the circle. It is the region enclosed by a circle's circumference. The area of a circle can be found by using the formula A = πr2, where A denotes the area of the circle, r represents its radius, and π is equal to 3.1416. The radius of a circle is the distance from its center to its circumference. It can also be found by dividing the circumference by 2π.
Given,
Diameter, d = 26 inch
Radius, r = d/2 = 26/2 = 13 inch
π = 3.14 or 22/7
We apply all these above values in the formula, we get area of circle:
A = πr²
A = 3.14 x (13)²
A = 530.66 inch
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A company manufactures a wash-down motor that is used in the food processing industry. The motor is marketed with a warranty that guarantees it will be replaced free of charge if it fails within the first 12,000 hours of operation. On average, the wash-down motors operate for 14,000 hours with a standard deviation of 1, 050 hours before failing. The number of operating hours before failure is approximately normally distributed.
a. What is the probability that a wash-down motor will have to be replaced free of charge?
b. What percentage of wash-down motors can be expected to operate for more than 16,100 hours?
c. If the company wants to design a wash-down motor so that no more than 1% are replaced free of charge, what would the average hours of operation before failure have to be if the standard deviation remains at 1,050 hours?
a) The probability that a wash-down motor will have to be replaced free of charge - 1,904
b) A percentage of wash-down motors can be expected to operate at 2,28 %
c) The average hours of operation before failure would be 13500 h
Normal Distribution
μ₀ = 14000 hours and σ = 1050 hours
a) Probability of X (replacement of motor free of charge)
Z = ( X - μ₀ ) / σ
Z = ( 12000- 14000) / 1050
Z = - 2000/1050
Z = - 1,904
From z Table we get
for z = -1.904 P [ X ≤ 12000 ] = 0.0262
P [ X ≤ 12000 ] = 0.0262 or 2.62 %
b) What % of motors can be expected to operate more than 16100 hours
z = ( 16100 - 14000) / 1050
z = 2100/1050 ⇒ 2
From the z table, we find with z = 2 total number of f motors operating up to 16100 hours
From the z table, we find 0,9772
Then the probability of motors operating for more than 16100 hours is:
P [ X > 16100] = 1 - 0.9772 = 0,0228
Then
P [ X > 16100] = 0,0228 or 2,28 %
c) The average hours of operation before failures if only 1% of motors would be replaced free of charge is:
1% = 0,01 Probability then z score is z = 0,4960
0,4960 = ( 14000 - X ) / 1050
0,4960 * 1050 = ( 14000 - X )
520,8 - 14000 = - X
X = 13479,2 hours as is not common such offer company could set up a guarantee for 13500 h
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Which of the following best describes the number shown below?
0.535353..
Answer:
Hi, I'm Za'Riah! I will gladly assist you with this problem. (see explanation)
Step-by-step explanation:
1. Repeating Decimal
2. Rational Number
This is all I can think of at the moment.
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There are five possibilities for whole numbers such that radical expression 4 ≤ √3 + √x ≤ 5: {6, 7, 8, 9, 10}
How to derive an integer for a radical expression
In this problem we have the case of a radical expression, from which we need to determine at least a whole number such that following inequality is fulfilled:
4 ≤ √3 + √x ≤ 5
This can be done by algebra properties. First, determine the limits of the inequality:
4 ≤ √3 + √x
4 - √3 ≤ √x
(4 - √3)² ≤ x
x ≥ (4 - √3)²
x ≥ 16 - 8√3 + 3
x ≥ 19 - 8√3
√3 + √x ≤ 5
√x ≤ 5 - √3
x ≤ (5 - √3)²
x ≤ 25 - 10√3 + 3
x ≤ 28 - 10√3
There are five possibilities for five whole numbers: 6, 7, 8, 9, 10
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elect ALL factors of 15. (Be sure to select ALL correct factors for full credit).
Question 5 options:
45
5
2
3
30
15
9
1
Answer:
1,3,5,15
Step-by-step explanation:
A factor cannot be greater then the number itself so we can scratch 30 and 45. 15 is divisible by itself and 1, as every other number. 2 is not a factor of 15 because 15 is not even. Also not 9. But it does have factors 5 and 3 because 5×3=15.
Hope that helps, let me know if you have any further questions!