PLS HELP I WILL MARK AS BRAINLIST IF SHOW WORK
4 Mr. Qureshi writes 4s = 56 and {13, 14, 15) on the board. Tell if each value in the
set is a solution of the equation. Show your work
Answers
The solution is: the value of s is:
s = 8
Explanation:
The initial equation is:
4s - 28 = 4
So, to solve for s, we can add 28 to both sides:
4s - 28 + 28 = 4 + 28
4s = 32
Finally, we can divide both sides by 4:
4s/4 = 32/4
s = 8
So, the value of s is 8
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complete question:
What is the value of s for the equation 4s-28=4
Related Questions
dentify the radius and the center of a circle whose equation is (x – 5)² + y² = 81.
The radius of the circle is units.
The center of the circle is at (, ).
Answers
Answer:
Step-by-step explanation:
General formula
(x-h)^2 + (y-k)^2 = r^2
where (h,k) center of circle whose radius r
applying the formula to our Q
(x – 5)² + y² = 81
(x – 5)² + (y-0)² = 9^2
---> center of circle (5,0)
---> radius is 9
PLEASE HELP I WILL MARK YOU BRAINLIEST!!
Answers
Answer:
96π
Step-by-step explanation:
the shape is made up of a cylinder and a cone.
Volume of cylinder = π r ² h
= π (3)² (9)
= 81π.
Volume of cone = (1/3) X vertical height X π r ²
= (1/3) (5) π (3)²
= 15π
volume of composite solid = 81π + 15π = 96π
quadrilateral a'b'c'd' is the image of quadrilateral abcd under a rotation about the origin (0 0) A) -45 degrees B) -15 degrees C) 15 degrees D) 45 degrees
Answers
The rotation's angle is -45 degrees.
Quadrilateral A'B'C'D' is the representation of quadrilateral ABCD rotated around (0,0).
Consider D and D's coordinates.
D(2,3) and D'(-2,-3)
Now, Join D and D' then
<DOD = 45
Here, the actual rotation is -45 degree rotation can be visualized as a reflection across the y-axis followed by a 45 degree rotation in the clockwise direction.
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Answer the question by comparing the equation,
f
(
x
)
=
2
cos
(
2
π
6
(
x
+
4
)
)
+
3
to the equation,
f
(
x
)
=
acos
(
2
π
b
(
x
+
c
)
)
+
d
.
What is the period of the function?
Answers
The calculated value of the period of the function is 6
Calculating the period of the function?From the question, we have the following parameters that can be used in our computation:
The equation, f(x) = 2cos(2π/6(x + 4)) +3
A sinusoidal function is represented as
f(x) = acos(2π/b(x + c)) + d
Where the period is B
When the equations are compared, we have
2π/b = 2π/6
This gives
b = 6
Hence, the period of the function is 6
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Complete question
Answer the question by comparing the equation,f(x)=2cos(2π6(x+4))+3 to the equation,f(x)=acos(2πb(x+c))+d.What is the period of the function?
5. What is is mXW based on the figure shown? Assume YWis a diameter of the circle.
M
O
O
60°
120°
78°
42°
W
PRE
Answers
Answer:
60°
Step-by-step explanation:
180-78-42=60
During the last week, Maria spent 4 nours running lor exercise. Based on the graph, now many miles did she run? a)15 b)20 c)25 d)30
Answers
The calculated number of miles run is 24 miles
How to determine how many miles Maria runs?
From the question, we have the following parameters that can be used in our computation:
The graph (see attachment)
The graph is a proportional graph with the points
(x, y) = (10, 1)
So, the equation of the graph is
y = x/10
At 4 hours, the value of x is
x = 4 * 60
So, we have
y = 4 * 60/10
Evaluate
y = 24
Hence, the number of miles run is 24 miles
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4x+4=4x-4 what dose x equal
Answers
The value of the variable is equal to 0
What are algebraic expressions?Algebraic expressions are described as those mathematical expressions that are known to consist of terms, coefficients, constants, variables and factors.
These algebraic expressions are also composed of arithmetic operations, such as;
AdditionBracketParenthesesMultiplicationDivisionSubtractionFrom the information given, we have that;
4x+4=4x-4
To determine the value of x, take the steps;
collect the like terms, we have;
4x - 4x = -4 - 4
subtract the values, we have;
0 = -8
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Problem 1-26
Jerrod and Sonia were working with their team on
problem 1-2 to put the function machines in order.
These functions are reprinted for you below.
f(x) = √x
g(x) = (x - 2)²
h(x) = 2*-7
k(x) = − − 1
Jerrod first put an input of 6 into the function g(x) and
got an output of -16. He wanted to try f(x) as his next
function in the order, but he thinks there might be a
problem using -16 as an input. Is there a problem?
Explain.
Answers
There is a problem with the input -16 in the function f(x) = √x
How to determine if there is a problem with the inputFrom the question, we have the following parameters that can be used in our computation:
f(x) = √x
g(x) = (x - 2)²
h(x) = 2x - 7
k(x) = -x -1
Also, we understand that
He puts the functions in the machine in order
So, we have
f(x) = √x
The input is -16
So, we have
f(-16) = √-16
The square root of -16 is not a real number
Hence, there is a problem with the input
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approximate the area under the curve y=x^3 from x=3 to x=6
Answers
To approximate the area under the curve y=x^3 from x=3 to x=6, we can use the midpoint rule with four subintervals.First, we need to find the width of each subinterval:delta x = (6 - 3) / 4 = 0.75Next, we can find the midpoint of each subinterval:x1 = 3 + 0.5 * delta x = 3.375
x2 = x1 + delta x = 4.125
x3 = x2 + delta x = 4.875
x4 = x3 + delta x = 5.625Now, we can evaluate the function at each midpoint:y1 = x1^3 = 40.39
y2 = x2^3 = 71.25
y3 = x3^3 = 106.29
y4 = x4^3 = 146.48Finally, we can use the midpoint rule formula to approximate the area:A ≈ delta x * (y1 + y2 + y3 + y4)
= 0.75 * (40.39 + 71.25 + 106.29 + 146.48)
= 267.98Therefore, the approximate area under the curve y=x^3 from x=3 to x=6 is 267.98 square units.
14. Which is NOT a part of your budget? (1 point) fixed expenses Ogross pay Odiscretionary expenses Orealized income
Answers
Realized income is NOT part of your budget.
Income that has really been received or generated within a certain period is referred to as realized income. It stands for the money that has been made or acquired through a variety of sources, including work, investments, or commercial ventures.
Realized income is a crucial part of a budget since it shows the actual cash that a person or organization has available for budgeting and financial planning.
The income is what may be used for a variety of costs, savings, investments, or other financial objectives.
In order to appropriately reflect the financial resources available for controlling spending and making financial decisions, realized income is often included as part of a budget.
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How many quarts are equivalent to 5 pints
Answers
Answer: 3 quarts is equivalent to 5 pints
Priya has $50 to spend shopping with Mai. She finds an $18 gift for her parents and an item she thinks each of her 5 siblings would like.
Priya wonders if she could use the inequality 18+5n<50
or 18+5n≤50
to figure out whether she can buy the items she found. Mai thinks it matters in this case.
1. Do you agree with Mai?
Responses
Answers
The cost of the items indicates that the inequality that represents the cost or amount spent is; 18 + 5n ≤ 50, therefore, yes Mai is correct, because the total amount spent depends on the amount with Priya
Mai is correctWhat is an inequality?An inequality is a comparison between two expressions, variables, or quantities that are of different values, using the symbols, '<', '≤', '≠', '≥', and '>'.
The amount Priya has to spend = $50
The cost the gift she finds for her parents = $18
The number of siblings Priya has = 5
Therefore;
The cost of the items she thinks each of her 5 siblings would like = 5 × n
The total cost of the items Priya intends to buy = 18 + 5·n
The inequality that indicates the possibility of Priya buying all the items she finds is therefore;
18 + 5·n ≤ 50
Therefore, May is correct as the amount or the cost of items Priya buys should be less than or equivalent to the $50 Priya has
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Because you loved Professor Salaam’s class so much, you go to the market and decide to trade your car for 2 magical doubling beans. After 1 day, you notice that your 2 magical beans have turned into 4 magical beans. After 2 days you look and there are 8 magical beans. On the third day you notice there are now 16 beans. Since you are a brilliant mathematician, you decide to estimate how many beans you will have after 15 days.
Part A
How many beans will you have?
Part B
If each magical bean is worth $0.50, and your car was worth $65,000, did your trade make sense (after 15 days)?
(b)
A
YES
B
NO
C
MAYBE?
D
Not enough information
(c)
Part C
Estimate how many days you would need to have doubled your beans for the trade to make sense.
Answers
Part A: After 15 days will have 32,768 magical beans.
Part B: As the value of the magical beans is less than the value of the car the trade does not make sense at least not from a financial perspective. B NO.
Part C: We would need at least 17 days for the number of magical beans to exceed the value of the car. C MAYBE?.
Based on the given information can observe that the number of beans doubles every day.
So, after 15 days will have 2¹⁵ = 32,768 magical beans.
The value of the 32,768 magical beans would be:
32,768 beans × $0.50/bean
= $16,384
Part C:
Let us assume that after 'n' days, the number of beans would be equal to or greater than the value of the car.
Value of the car in terms of magical beans = $65,000/$0.5 per bean
= 130,000 beans
Now, we can set up an equation based on the doubling of beans:
2ⁿ >= 130,000
Taking the logarithm base 2 on both sides, we get:
n × log2(2) >= log2(130,000)
n >= log2(130,000)
n >= 16.98
We would need at least 17 days for the number of magical beans to exceed the value of the car.
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Helppppp pleaseeeeeeee
Answers
To achieve a 1 in row 1, column 1, divide row 1 by 4 in the given matrix, resulting in the updated matrix. This row operation preserves the system of linear equations represented by the matrix.
To get a 1 in row 1, column 1 of the given matrix, you can perform the following valid row operation:
R1 = (1/4) * R1
This operation scales row 1 by a factor of 1/4, resulting in the new matrix:
1 , -3/4 , -43/4
3 , -2 , -30
By dividing each element in row 1 by 4, the value in row 1, column 1 becomes 1. This row operation maintains the equivalence of the system of linear equations represented by the matrix.
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does anyone knows the solution of this
Answers
The complete solution to the system is 25/17, 61/17, 2/17 respectively.
How to find solution to a matrix system?Using the Gauss-Jordan elimination method to find the solution of the system of linear equations represented by the given augmented matrix:
Starting matrix:
[1 -2/3 -1/3 | 1]
[1 -2 6 | -17]
[-3 -7 3 | -43]
Add Row 1 to Row 2 and Row 3:
[1 -2/3 -1/3 | 1]
[0 -4/3 17/3 | -18]
[0 -1 0 | -40]
Multiply Row 2 by -3/4:
[1 -2/3 -1/3 | 1]
[0 1 -17/4 | 27/2]
[0 -1 0 | -40]
Add Row 1 to Row 2 and Row 3:
[1 0 -7/4 | 19/2]
[0 1 -17/4 | 27/2]
[0 0 -17/4 | -13/2]
Multiply row 3 by -4/17:
[1 0 -7/4 | 19/2]
[0 1 -17/4 | 27/2]
[0 0 1 | 2/17]
Add Row 3 to Row 1 and Row 2:
[1 0 0 | 25/17]
[0 1 0 | 61/17]
[0 0 1 | 2/17]
Therefore, the solution of the system of linear equations is:
x = 25/17
y = 61/17
z = 2/17
So the solution is [25/17, 61/17, 2/17].
Thus the completed augmented matrix is:
[1 0 0 | 25/17]
[0 1 0 | 61/17]
[0 0 1 | 2/17]
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You rent an apartment that costs $1700 per month during the first year, but the rent is set to go up 11% per year. What would be the rent of the apartment during the 10th year of living in the apartment? Round to the nearest tenth (if necessary).
Answers
The required amount of rent be $4,850.19.
The original rent of apartment per month = $1700
And the interest = 11%
Time = 10 years.
To determine the apartment's rent during the tenth year:
Rent is calculated as Initial = Rent x [tex](1 + Increase Rate )^{year}[/tex] .
We plug the values and compute the rent for the tenth year using the provided data,
Rent = $1700 x (1 + 0.11)¹⁰
Rent = $1700 x 2.85
Rent = $4,850.19
Thus,
The apartment's rent in the tenth year would be about $4,850.2 per month.
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Is this correct? Or what do you think the answer is please
Answers
The partial fraction of the given rational expression is [tex]\frac{25}{(x+1(x+2)} =\frac{25A}{3(x-1)} -\frac{25B}{3(x+2)}[/tex]
Solving partial fractionsGiven the following equation below:
[tex]\frac{25}{(x+1(x+2)}[/tex]
We are expression as the sum of partial fractions
Let the numerator of both partial expressions be A and B to have:
[tex]\frac{25}{(x+1(x+2)} =\frac{A}{x-1} +\frac{B}{x+2}[/tex]
Simplifying the expression, we will have;
[tex]\frac{25}{(x+1(x+2)} =\frac{A(x+2)+B(x-1)}{x-1(x+2)}[/tex]
Cancelling the denominator:
25 = A(x+2) + B(x-1)
If x - 1 = 0, then x = 1. Substitute to have:
25 = A(1+2)
3A = 25
A = 25/3
If x + 2 = 0, x = -2
25 = B(-3)
B = -25/3
Substitute into the function to have:
[tex]\frac{25}{(x+1(x+2)} =\frac{25A}{3(x-1)} -\frac{25B}{3(x+2)}[/tex]
This gives the partial fraction of the given rational expression.
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A noodles factory gives 10% commission to a wholesaler for selling its produtcs. After giving the commission to the wholesaler, the company recieves Rs 315000 in baishakh. Find the total sales of noodles by the wholesaler in baisakh.
Answers
Let's assume the total sales by the wholesaler in Baishakh is represented by 'x'.
The commission given to the wholesaler is 10% of the total sales, which can be expressed as 0.10x.
The amount received by the company after deducting the commission is Rs 315,000.
So, the equation becomes:
x - 0.10x = Rs 315,000
Simplifying the equation:
0.90x = Rs 315,000
Dividing both sides by 0.90:
x = Rs 350,000
Therefore, the total sales of noodles by the wholesaler in Baishakh is Rs 350,000.
Answer: 350000
Step-by-step explanation: Let the total sale of noodles by the wholesaler be x.
Given: Commission for the wholesaler is 10%
After receiving a 10% commission the company got rupees 315000.
x-10% of x =315000
x - 10\100 = 315000
x-x\10 = 315000
10x - 10\10 =315000
9x = 3150000
x= 3150000\9
x= 350000
Combine like terms to simplify the expression:
Enter any coefficients as simplified proper or improper fractions or integers.
2|5k-3/5+1/10k
Answers
The simplified expression of 2|5k - 3/5 + 1/10k| is |51/5k - 6/5|
How to simplify the expressionFrom the question, we have the following parameters that can be used in our computation:
2|5k-3/5+1/10k
Express properly
So, we have
2|5k - 3/5 + 1/10k|
Collect the like terms in the expression
So, we have the following representation
2|5k - 3/5 + 1/10k| = 2|5k + 1/10k - 3/5|
Evaluate the like terms
This gives
2|5k - 3/5 + 1/10k| = 2|51/10k - 3/5|
Expand the brackets
2|5k - 3/5 + 1/10k| = |51/5k - 6/5|
Hence, the simplified expression of 2|5k - 3/5 + 1/10k| is |51/5k - 6/5|
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Find the measure of the arc or angle indicated. Assume that lines which appear tangent are tangent.
Answers
Applying the angle of intersecting secant-tangent theorem, the measure of arc VT is calculated as: m(VT) = 116°.
How to Find the Measure of Arc Using the Angle of Intersecting Secant-Tangent Theorem?Given that the lines appear tangent, the measure of the arc VT indicated above can be calculated using the angle of intersecting secant-tangent theorem which states that:
m<U = 1/2(m(WT) - m(VT))
Given the following:
measure of angle U = 37 degrees.
measure of arc WT = 190 degrees.
Plug in the values:
37 = 1/2(190 - m(VT))
74 = 190 - m(VT)
m(VT) = 190 - 74
m(VT) = 116°
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Find the volume of a cylinder with a diameter of 20 km and a height of 5 km in terms of pie.
what is the volume of the cylinder?
Answers
Answer:
The volume of the cylinder is 500 π cubic kilometers.
Step-by-step explanation:
Formula: V = πr²h
r = d/2
r = 20km/2
r = 10 km
h = 5km
Solve for the volume using the formula.
Substitute the given
V = π(10km)²(5km)
V = 500π km³
I hope this helps you
Maliha has 4 gallons of lemonade.
Jazmine has 5 times as much lemonade
as Maliha. How many quarts does
Jazmine have?
1 gallon = 4 quarts
Answers
Jazmine has 80 quarts of lemonade, which is 5 times the amount Maliha has (16 quarts).
We are given that Maliha has 4 gallons of lemonade. To find out how much lemonade Jazmine has, we need to calculate 5 times the amount Maliha has.
To convert the gallons to quarts, we know that 1 gallon is equal to 4 quarts.
Therefore, Maliha has 4 x 4 = 16 quarts of lemonade.
Now, since Jazmine has 5 times as much lemonade as Maliha, we can calculate Jazmine's amount by multiplying Maliha's amount (16 quarts) by 5.
Jazmine's lemonade = 16 quarts x 5 = 80 quarts.
Hence, Jazmine has 80 quarts of lemonade.
This can be understood as follows:
Maliha's 4 gallons of lemonade can be converted to 16 quarts (4 gallons x 4 quarts/gallon). Jazmine, on the other hand, has 5 times as much lemonade as Maliha.
Therefore, we multiply Maliha's amount (16 quarts) by 5 to find Jazmine's amount, which equals 80 quarts.
It's important to note that 1 gallon is equal to 4 quarts, which is a conversion factor used to convert between the two units of measurement.
By applying this conversion factor, we can determine the amount of lemonade in quarts for both Maliha and Jazmine.
In conclusion, Jazmine has 80 quarts of lemonade, which is 5 times the amount of lemonade Maliha has (16 quarts).
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I will give brainliest and ratings if you get this correct
Answers
The output levels that will maximize profits are Q1 = 52.5 and Q2 = 52.5.
How to determine the output level that maximize profitsTo maximize profits, we need to find the output levels of the two goods that will maximize the difference between total revenue and total cost (i.e., profit).
The profit function can be expressed as:
π = TR - TC
= 15Q1 + 18Q1^2 + 15Q2 + 18Q2^2 - 20 - 2Q1.Q2 - 393
Taking the partial derivative of the profit function with respect to Q1 and setting it equal to zero, we get:
∂π/∂Q1 = 15 + 36Q1 - 2Q2 = 0
Taking the partial derivative of the profit function with respect to Q2 and setting it equal to zero, we get:
∂π/∂Q2 = 15 + 36Q2 - 2Q1 = 0
Using Cramer's rule, we can solve for Q1 and Q2:
Q1 = (2(15) - (15)(36))/(-4) = 52.5
Q2 = (2(15) - (15)(36))/(-4) = 52.5
Therefore, the output levels that will maximize profits are Q1 = 52.5 and Q2 = 52.5.
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What time is shown on the clock?
Answers
Answer:
3:55
Step-by-step explanation:
3:55
What is m∠1?
A. 22
B. 46
C. 76
D. 27
Answers
Answer:
Step-by-step explanation:
B
Write two numbers that multiply to the value on top and add to the value on bottom. 24 + - 25
Answers
The two numbers that multiply to the number 24 and add up to the number -25 as required to be determined are; -24 and -1.
What are the two numbers as described?It follows from the task content that the two numbers which multiply to give 24 and add up to give -25 are to be determined.
By observation, the two numbers in discuss are; -24 and -1. This follows from the fact that: -24 × -1 = 24 and also, -24 + -1 = -25.
Consequently the two numbers as required to be determined are; -24 and -1.
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If you have a system of two equations with two unknowns, and the graphs of
the two equations do not intersect, the system must have
A. at least 1 solution
B. exactly 1 solution.
C. no solution
D. more than 1 solution
Answers
If you have a system of two equations with two unknowns, and the graphs of the two equations do not intersect, the system must have no solution.
option C.
What is the solution of the two equations?When we have a system of two linear equations in two variables, it can be represented graphically as two lines in a plane. The solution to the system corresponds to the point of intersection of these lines.
If the two lines do not intersect, then they are parallel. In this case, there is no point that satisfies both equations, which means that there is no solution to the system of equations.
In other words, if the two graphs do not intersect, it means that there are no values of the two unknowns that can simultaneously satisfy both equations.
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18.3% of the animals in the local shelter are neither cats nor dogs. 2% of those animals that are not cats or dogs are rabbits. If there are 267 animals in the shelter, approximately how many of them are rabbits? Do not round any numbers until you finish the problem
Answers
100% - 18.3% = 81.7%
Let's convert this percentage to a decimal:
81.7% = 0.817
Now, let's find the total number of animals that are cats or dogs:
0.817 x 267 = 218.139
We know that 2% of the animals that are not cats or dogs are rabbits. Let's find the percentage of animals in the shelter that are not cats or dogs:
100% - 81.7% = 18.3%
Let's convert this percentage to a decimal:
18.3% = 0.183
Now, let's find the total number of animals that are not cats or dogs:
0.183 x 267 = 48.951
We can now find the number of rabbits in the shelter:
2% of 48.951 = 0.02 x 48.951 = 0.97902
Therefore, approximately 0.97902 animals in the shelter are rabbits.
We should round this number to the nearest whole number, which is 1.
So approximately 1 animal in the shelter is a rabbit.
Jane is converting the given equation in Standard Form to the General Form. At which step did she make her first mistake?
Answers
Answer:
Step 4
Step-by-step explanation:
In step 3, 16 + 9 = 25, so step 4 should subtract 25 from both sides. Also, y² became -y² in step 4 which is incorrect.
Answer: Step 4
A pentagonal pyramid.
There are
faces on the solid.
There are
edges on the solid.
There are
vertices on the solid.
Answers
Answer:
A pentagonal pyramid. There are 6 faces on the solid. There are 10 edges and there are 6 vertices on the solid.
What is a pentagonal pyramid?A pentagonal pyramid is defined as a type of pyramid that has a base with the shape of a regular polygon.
The properties of a pentagonal pyramid include the following:
It has 6 faces. It has 5 triangles as lateral sides. It also has a pentagon at the base. It has 6 vertices.It also has 10 edges.Learn more about polygon here:
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