Answer:
c = -4
Step-by-step explanation:
16 = 4 - 3c
subtract 4 from each side
16-4 = 4-4 - 3c
12 = -3c
Divide each side by -3
12/-3 = -3c/-3
-4 =c
Hellen has 10 sweets,shelly has 30 sweets.Faith has 4 fewer sweets than the average number of sweets that hellen,shelly and faith have.How many sweets do they have altogether
Answer:
The sum of all the sweets is 54 sweets
Step-by-step explanation:
Here, we want to calculate the number of sweets the three have altogether.
Let the number of sweet Faith has be x
Mathematically;
Faith has 4 sweets fewer than the average number of sweets
The average is the sum of all the sweets divided by 3
The average will be (10 + 30 + x)/3
Thus;
(10 + 30 + x)/3 - 4 = x
(40 + x)/3 = x + 4
40 + x = 3(x + 4)
40 + x = 3x + 12
40-12 = 3x -x
28 = 2x
x = 28/2
x = 14 sweets
So the sum of all the sweets would be 10 + 30 + 14 = 54 sweets
Which of the following steps is included in the construction of a perpendicular line
through a point off the line?
The step that is included in the construction of a perpendicular line through a point off the line is B: Connect arcs that are either above or below the original line and a point off the line with a straightedge.
What is a perpendicular line?Perpendicular lines can be regarded as the lines that intersect at a 90-degree angle.
for instance, line AB is perpendicular to line CD, hence, The step that is included in the construction of a perpendicular line through a point off the line is B: Connect arcs that are either above or below the original line and a point off the line with a straightedge.
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CHECK THE COMPLETE QUESTIOPN BELOW:
Question 1 Multiple Choice Worth 1 points)
(01.03 LC)
Which of the following steps is included in the construction of a perpendicular line through a point off the line?
A: Connect arc above the line with arcs below the given line
B: Connect arcs that are either above or below the original line and a point off the line with a straightedge
C: Create arcs on either side of a point that is off the given line
D: Create a copied angle by using the first two lines as the original angle
Answer: b
Step-by-step explanation:
$60/year is equivalent to $_____/month.
Answer:
5 dollars a month
Step-by-step explanation:
There are 12 months in a year, so we divide the yearly amount by 12
60/12 = 5
5 dollars a month
The Royal Fruit Company produces two types of fruit drinks. The first type is 30% pure fruit juice, and the second type is 55% pure fruit juice. The company is attempting to produce a fruit drink that contains 40% pure fruit juice. How many pints of each of the two existing types of drink must be used to make 60 pints of a mixture that is 40% pure fruit juice?
Let's use the method of setting up a system of equations to solve this problem.
Let x be the number of pints of the first type of fruit drink (30% pure), and y be the number of pints of the second type of fruit drink (55% pure). We want to find the values of x and y that will produce 60 pints of a mixture that is 40% pure.
We can start by setting up two equations based on the information given:
Equation 1: x + y = 60 (since we want to produce 60 pints of the mixture)
Equation 2: 0.3x + 0.55y = 0.4(60) (since we want the mixture to be 40% pure)
Simplifying Equation 2, we get:
0.3x + 0.55y = 24
Now we have a system of two equations with two unknowns:
x + y = 60
0.3x + 0.55y = 24
We can solve this system using substitution or elimination. Here, we'll use substitution:
Solving Equation 1 for x, we get x = 60 - y. Substituting this expression for x in Equation 2, we get:
0.3(60 - y) + 0.55y = 24
Expanding and simplifying, we get:
18 - 0.3y + 0.55y = 24
Combining like terms, we get:
0.25y = 6
Dividing by 0.25, we get:
y = 24
Substituting this value of y back into x + y = 60, we get:
x + 24 = 60
Solving for x, we get:
x = 36
Therefore, we need 36 pints of the 30% pure fruit drink and 24 pints of the 55% pure fruit drink to make 60 pints of a mixture that is 40% pure.
Four fifths times five times two ninths
Answer:\(\frac{8}{9}\)
Step-by-step explanation:
Four fifths=4/5
two ninths=2/9
\(\frac{4}{5} *5*\frac{2}{9}=\frac{8}{9}\)
Assuming you meant ( four fifths ) * 5 * ( two ninths ), the answer would be 0.88888888888.
If you meant 4/5 x 5 and then x 2/9, the answer would be 8/9, because 4/5 x 5 is 4, and 4 x 2/9 is 8/9.
HELP please, will give brainliest
As we know that
Diagonal of square = √2 ( side of square )So , we need to find side of square first
Using area of square = Side²
➩ 144 = S²
➩ S = √144
➩ Side = 12 cm
Now ,
➨ Diagonal = √2 ( 12 )
➨ Diagonal of square = 12√2
Carly is playing her violin at a music festival and earns $8 for each song she plays. Maxwell is playing at a local coffee shop and earns $10 for each song he plays, but also has to pay a $50 fee to play there.
Problem
After how many songs will they have earned the same amount of money?
A.) 25
B.) 71
C.) 33
D.) 46
Answer:a
Step-by-step explanation: 25x8=200
(10x25)-50=200
find the center and radius of the circle given by this equation: x squared space minus space 10 x space plus space y squared space plus space 6 y space minus space 30 space equals space 0 what is the center?
The center and radius of a circle given by the equation x² - 10x + y² + 6y - 30 = 0 is (5,-3) and√64 = 8 units.
When finding the center and radius of a circle given by the equation x² - 10x + y² + 6y - 30 = 0, one can use the following steps:
The first step is to rearrange the equation into the standard form, (x - a)² + (y - b)² = r². This is done by completing the square for both the x and y terms in the equation.
x² - 10x + y² + 6y - 30 = 0x² - 10x + 25 + y² + 6y + 9 - 30 = 25 + 9(x - 5)² + (y + 3)² = 64 Therefore, the center of the circle is (5,-3), and the radius is √64 = 8 units.
Explanation: Given the equation x² - 10x + y² + 6y - 30 = 0, we want to find the center and radius of the circle. The standard form of the equation of a circle with center (a,b) and radius r is (x - a)² + (y - b)² = r². We will begin by completing the square for the x terms and the y terms separately: For the x terms: x² - 10x= x² - 10x + 25 - 25= (x - 5)² - 25 For the y terms: y² + 6y= y² + 6y + 9 - 9= (y + 3)² - 9 Now we can substitute these expressions back into the original equation and simplify: x² - 10x + y² + 6y - 30 = 0(x - 5)² - 25 + (y + 3)² - 9 - 30 = 0(x - 5)² + (y + 3)² = 64 The equation is now in standard form,
which means that the center of the circle is (5,-3) and the radius is √64 = 8 units.
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Why is 4 + (-3) equal to 1?
Answer:
[See Below]
Step-by-step explanation:
\(Hey~There!\)
________________________
➜ Solve:
\(4+(-3)=1\)So with this problem technically your subtracting because of the \(-3\).________________________
So based on our work above we can conclude that the equation is equal because when solve it equals \(1\), making \(1=1\).
________________________
\(Hope~this~helps~Mate!\\-Your~Friendly~Answerer,~Shane\) ヅ
As a town gets smaller, the population of its high school decreases by 7% each year. The senior class has 320 students now. In how many years will it have about 100 students? Write
an equation. Then solve the equation without graphing.
Write an equation to represent this situation. Let n be the number of years before the class will have 100 students.
(Type an equation using n as the vanable. Use integers or decimals for any numbers in the equation)
Help again please
Therefore, in about 15 years and 2 months, the senior class will have about 100 students.
What is equation?An equation is a statement that expresses the equality of two mathematical expressions using mathematical symbols such as variables, numbers, and mathematical operations. The equality is represented by an equal sign "=" between the two expressions. Equations are used to represent mathematical relationships and solve problems in various fields such as physics, chemistry, engineering, and economics.
Given by the question.
Let P be the initial population of the senior class in the high school, and r be the rate of decrease in population per year (in decimal form).
Then, we can write the following equation to represent the situation:
P\((1-r)^{n}\) = 100
We know that the current population of the senior class is 320, so we can substitute these values into the equation:
320\((1-0.07)^{n}\) = 100
Simplifying the equation, we get:
\(0.93^{n}\) = 0.3125
Taking the natural logarithm of both sides, we get:
n ln (0.93) = ln (0.3125)
Dividing both sides by ln (0.93), we get:
n = ln (0.3125) / ln (0.93)
Using a calculator, we find that n is approximately equal to 15.21 years.
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help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Answer: 19.6 feet
Step-by-step explanation:
Using the Pythagorean theorem,
\(x^2 +(x+6)^2 =48^2\\\\x^2 +x^2 +12x+36=2304\\\\2x^2 +12x-2268=0\\\\x^2 +6x-1134=0\\\\x=\frac{-6 \pm \sqrt{6^2 -4(1)(-1134)}}{2(1)}\\\\x \approx 30.8 \text{ } (x > 0)\\\\\implies x+(x+6) \approx 67.6\\\\\therefore (x+(x+6))-48 \approx 19.6\)
a third degree binomial with a constant term of 8
Answer:
x^3+8
The polynomial given may be: x^3 + 8. One choice
Step-by-step explanation:
The polynomial given may be: x^3 + 8. One choice
x^3+8
Answer is above
Hope this helps.
HELP ME ASAP I AM GIVING BRAINETEST
Answer:
1 and 1/6
Step-by-step explanation:
7 / 6 has a greater numerator so simplify to 1 whole and one sixth
each worker at the wooden chair factory costs $12 per hour. the cost of each machine is $20 per day regardless of the number of chairs produced. what is the total daily cost of producing at a rate of 55 chairs per hour if the factory operates 8 hours per day?
The cost of workers per day is $12 * 8 = $96. With each worker costing $12 per hour and the machine cost being $20 per day, the total daily cost is $12 * 8 + $20 = $116.
The total daily cost of producing 55 chairs per hour in a wooden chair factory operating for 8 hours per day can be calculated by multiplying the cost per worker per hour by the number of workers and hours worked, and adding the cost of the machines.
To calculate the total daily cost, we need to consider the cost of workers and the cost of machines. Each worker costs $12 per hour, and the factory operates for 8 hours per day. So the cost of workers per day is $12 * 8 = $96. In addition, the cost of machines is a fixed cost of $20 per day, regardless of the number of chairs produced. Therefore, the total daily cost is $96 + $20 = $116. This means that producing at a rate of 55 chairs per hour would result in a total daily cost of $116.
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someone pls just comment something again
Answer:
?
Step-by-step explanation:
Answer:
こんにちは、お元気ですか?
あなたの質問があれば、私もうまくやっています。日本での生活はとても楽しいです!日本に来てください。
Step-by-step explanation:
A triangle has angles that measure 52.4 and 16.4. Which equation can be used to find the value of x, the third measure of the triangle?
If a triangle has angles that measure 52.4 and 16.4, then the equation which can be used to find the value of x, the third measure of the triangle is x = 180 - (52.4 + 16.4)= 111.2°.
To find the value of x, follow these steps:
The sum of all angles of a triangle is equal to 180°. Therefore, we can find the third angle of the triangle by subtracting the sum of the two angles from 180°.To find the value of x, we need to subtract the sum of the angles 52.4° and 16.4° from 180°. ⇒x = 180 - (52.4 + 16.4) ⇒x = 180 - 68.8 ⇒x = 111.2°.Thus, the equation which can be used to find the value of x, the third measure of the triangle is: x = 180 - (52.4 + 16.4)= 111.2°.
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The measure of an angle is 137.4°. What is the measure of its supplementary angle?
Answer:
42.6 degrees
Step-by-step explanation:
A supplementary angle is one that adds to the other one so the sum is 180 degrees. So 180-137.4=42.6
find the equation of the ellipsoid passing through the points (±5,0,0),(0,±6,0) and (0,0,±7) =1
To find the equation of the ellipsoid passing through the points (±5, 0, 0), (0, ±6, 0), and (0, 0, ±7), we can use the standard equation for an ellipsoid centered at the origin:
(x^2 / a^2) + (y^2 / b^2) + (z^2 / c^2) = 1
where a, b, and c are the semi-axes of the ellipsoid along the x, y, and z directions, respectively.
To determine the values of a, b, and c, we can substitute the given points into the equation and solve for the parameters.
Substituting the point (5, 0, 0):
(5^2 / a^2) + (0^2 / b^2) + (0^2 / c^2) = 1
25 / a^2 = 1
a^2 = 25
a = 5
Substituting the point (0, 6, 0):
(0^2 / a^2) + (6^2 / b^2) + (0^2 / c^2) = 1
36 / b^2 = 1
b^2 = 36
b = 6
Substituting the point (0, 0, 7):
(0^2 / a^2) + (0^2 / b^2) + (7^2 / c^2) = 1
49 / c^2 = 1
c^2 = 49
c = 7
Therefore, the equation of the ellipsoid passing through the points (±5, 0, 0), (0, ±6, 0), and (0, 0, ±7) is:
(x^2 / 5^2) + (y^2 / 6^2) + (z^2 / 7^2) = 1
Simplifying further:
(x^2 / 25) + (y^2 / 36) + (z^2 / 49) = 1
This is the equation of the ellipsoid with semi-axes of length 5 along the x-axis, 6 along the y-axis, and 7 along the z-axis.
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Ashley buys a television for 20% off the list price of p dollars. If the sales tax is 7%, how much does Ashley pay for the
television, including sales tax?
0 8p dollars
0.824p dollars
0.856p dollars
0.864p dollars
Answer:
0.856p dollars
Step-by-step explanation:
Original price of TV: p
Discount: 20% of p
Discounted price: p - 20% of p = p - 0.2p = 0.8p
7% sales tax on the discounted price of 0.8p: 0.07 * 0.8p = 0.056p
Add the 7% tax to the discounted price: 0.8p + 0.056p = 0.856p
Answer: 0.856p dollars
Mr. White and Co. has total profit of 6/7 million dollars. The spinning department gave a profit 1/4 of million dollars. Find the fraction of profit from other departments.
Answer: 17/28
Step-by-step explanation:
Since there is a total profit of 6/7 million dollars and the spinning department gave a profit of 1/4 million, then the profit gotten from other departments will be the fraction of profit from the spinning department subtracted from the total profit. This will be:
= 6/7 - 1/4
= 24/28 - 7/28
= 17/28
The fraction of profit from other department is 17/28.
What is the answer. 5 + (-11) - (-11).
Answer:
Lemme see I odnt know
Step-by-step explanation:
PLEASE HELP!
QUESTION ATTACHED BELOW
THANK YOU!!!
The system of equations shown in the graph has infinitely many solutions.
How to solve a system of equations?Considering the graph containing the equations for the system, the solution of the system of equations is given by the point of intersection of all the equations of the system.
Hence the number of solutions is given as follows:
Curves do not intersect: no solution.Overlapping curves: infinitely many solutions.Curves intersect once: one solution.In this problem, we have two overlapping curves, hence the system has an infinite number of solutions.
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The area of this rectangle is given by the quadratic function
A = 50W - W2
.
What is the reasonable domain for this function?
The reasonable domain for this function is 0 < x < 50
What is the domain and range of the function?The domain of a function is defined as the set of all the possible input values that are valid for the given function.
The range of a function is defined as the set of all the possible output values that are valid for the given function.
Given;
A = 50W - W2
The area of a rectangle cannot be negative;
The practical domain of A is determined when;
50W-W^2>0
Taking common factor W
W(50-W)>0
Since W must be positive W>0
50-W>0
Or equivalently
50>w
W<50
The total interval is
0<W<50
Therefore, the domain of the function will be 0 < x < 50
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what is 5 1/2 of 24
Answer:
132
Step-by-step explanation:
calculator says so.
All of the answers in the picture. With work please.
Given that:
1. The brown family paid $170 for 3 children and 2 adults
2. The Rodriguez family paid $360 for 4 children and 6 adults
a. if x is the price of a child's ticket and y is the price of an adult's ticket, then the system of equations that models the situation would be:
\(\begin{gathered} 3x+2y=170\ldots\ldots\text{.}(1) \\ 4x+6y=360\ldots\ldots\text{.}(2) \end{gathered}\)Note that:
Equation (1) and (2) are the model equations for the Brown family and Rodriguez family respectively
b.
Note that, the red and blue line represents the first and second model equations respectively
c. The coordinates of the point intersection is:
\((x,y)=(30,40)\)d.
The coordinate of the point of intersection (30, 40) means that the price of a child's ticket for the Brown and Rodriguez family is $30, and the cost of an adult's ticket for the Brown and Rodriguez family is $40
You are considering purchasing a consol that promises annual payments of $4. a. If the current interest rate is 3 percent, what is the price of the consol? Instructions: Round your answer to the nearest penny (2 decimal places). The price of the consol is $ b. You are concerned that the interest rate may rise to 4 percent. Compute the percentage change in the price of the consol and the percentage change in the interest rate. Compare them. Instructions: Round your answer for dollar amounts to the nearest penny (2 decimal places ) and answers for percentages to the nearest tenth (1 decimal place) The new price of the consol would be $ The price of the consol falls by 7% and the interest rises by 7% c. Your investment horizon is one year. You purchase the consol when the interest rate is 5 percent and sell it a year later, following a rise in the interest rate to 6 percent. What is your holding period return? Instructions: Round your answer to the nearest tenth (1 decimal place) Your holding period return is %
a. The price of the consol is approximately $133.33.
b. The new price of the consol would be $100. The price of the consol falls by 24.99% and the interest rate rises by 1%.
c. Your holding period return is approximately -49.99%.
a. The price of the consol can be calculated using the formula for the present value of a perpetuity:
Price = Annual Payment / Interest Rate
In this case, the annual payment is $4 and the interest rate is 3%. Substituting these values into the formula:
Price = $4 / 0.03 ≈ $133.33
Therefore, the price of the consol is approximately $133.33.
b. To calculate the new price of the consol if the interest rate rises to 4%, we use the same formula:
New Price = Annual Payment / New Interest Rate
Substituting the values, we get:
New Price = $4 / 0.04 = $100
The percentage change in the price of the consol can be calculated using the formula:
Percentage Change = (New Price - Old Price) / Old Price * 100
Substituting the values, we have:
Percentage Change in Price = ($100 - $133.33) / $133.33 * 100 ≈ -24.99%
The percentage change in the interest rate is simply the difference between the old and new interest rates:
Percentage Change in Interest Rate = (4% - 3%) = 1%
Comparing the two percentages, we can see that the price of the consol falls by approximately 24.99%, while the interest rate rises by 1%.
c. The holding period return can be calculated using the formula:
Holding Period Return = (Ending Value - Initial Value) / Initial Value * 100
The initial value is the purchase price of the consol, which is $133.33, and the ending value is the price of the consol after one year with an interest rate of 6%. Using the formula for the present value of a perpetuity, we can calculate the ending value:
Ending Value = Annual Payment / Interest Rate = $4 / 0.06 = $66.67
Substituting the values into the holding period return formula:
Holding Period Return = ($66.67 - $133.33) / $133.33 * 100 ≈ -49.99%
Therefore, the holding period return is approximately -49.99%.
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-3 (3 + x) + 4 (x-6) = -4 , solve for x
Answer:29
Step-by-step explanation:
Answer:
29
Step-by-step explanation:
-3(3+x) + 4(x-6) = -4
-9 - 3x + 4x - 24 = -4
-3x + 4x -9 -24 = -4
1x -33 = -4
x = 29
Checking if the answer is right or not
-3(3 + 29) + 4(29 - 6) = -4
-9 - 87 + 116 -24 = -4
-96 + 92 = -4
-4 = -4
Participants were randomly assigned to one of three groups. Participants in the first group engaged in Exercise Program A, participants in the second group participated in Exercise Program B, and the third group compared participated in Exercise Program C. Which statistical tests should the researchers use to compare the mean pulse rates from each group
Answer:
One-way ANOVA test.
Step-by-step explanation:
In this case, the participants were randomly assigned to one of three groups:
Exercise Program AExercise Program BExercise Program CA z-test or a t-test is used when we need to test the significance of the difference between two group means.
A One-way ANOVA test is used to determine whether there is significant difference between the means for more than two groups.
Thus, a One-way ANOVA test can be used to compare the mean pulse rates from each group.
Simplify the expression
Answer:
9/4
Step-by-step explanation:
5×|-2-7(3)|-2×17
5×|-2-21|-34
5×|-23|-34
5×23-34
115-34=81
22+sq rt(7×28) 28=4×7 sq rt= 2×2×7×7
22+2×7=22+14=36
81÷9/36÷9=9/4
y=-2x+4 missing value
Answer:
y=-2x+4
x | y
0 | 4
2 | 0
Step-by-step explanation: