4 over 6 because when you multiply 2 over 3 by 2 over two the answer is 4 over 6.
Find the vector projection proj_v u of u onto v where u = i+2j+3k, v=3i-j+2k. proj_v u = 3/2 i -1/2 j + k proj_v u = 3/2 i + 1/2 j - k proj_v u = 1/2 i + j+ 3/2 k proj_v u = -1/2 i - j - 3/2 k None of the above.
The correct option for the given question of the vector is none of these.
VectorsPhysical values may be represented mathematically using vectors, which have both magnitude and direction. They are helpful for resolving issues in physics, engineering, and many other disciplines. They are frequently depicted as directed line segments or arrows. The addition, subtraction, and scaling of vectors make it simple and flexible to express physical quantities and carry out mathematical operations. They are crucial for characterizing geometric objects and carrying out spatial transformations.
According to the question
The vector projection of a vector u onto a vector v is given by:
proj_v u = (u . v) / ||v||^2 * v
where (u . v) is the dot product of vectors u and v, and ||v|| is the magnitude of vector v.
For the vectors u = i + 2j + 3k and v = 3i - j + 2k, the projection of u onto v is:
proj_v u = (u . v) / ||v||^2 * v = ((i + 2j + 3k) . (3i - j + 2k)) / ||3i - j + 2k||^2 * (3i - j + 2k) = (15 + 4 - 3) / 14 * (3i - j + 2k) = 16 / 14 * (3i - j + 2k) = (8/7) * (3i - j + 2k) = 8/7 * 3i - 8/7 * j + 8/7 * 2k = 8/7 * i + 2/7 * j + 16/7 * k
Therefore, the vector projection proj_v u of u onto v is:
proj_v u = 8/7 i + 2/7 j + 16/7 k
The "None of the above", option is correct.
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Triangle Proportionality Theorem Question
The value of x is15
The value of y is 20
The value of z is 58.
What is a triangle?It is a two-dimensional figure which has three sides and the sum of the three angles is equal to 180 degrees.
We have,
ΔWXY ≈ ΔQRS
This means,
Consecutive sides and angles are equal.
15 + x = 30
x = 30 - 15
x = 15
y = 20
40 = z - 18
z = 40 + 18
z = 58
Thus,
x = 15
y = 20
z = 58
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f Q is the point (x,sin((14????)/(x)), find the slope of the secant line PQ (correct to four decimal places) for the following values of x.
(i) 2 = 0
(ii) 1.5 = -1.7321
(iii) 1.4 = 0
(iv) 1.3 = 2.2104
(v) 1.2 = -4.3301
(vi) 1.1 = 7.5575
(vii) 0.5 = 0
(viii) 0.6 = 2.1651
(ix) 0.7 = 0
(x) 0.8 = 5 (xi) 0.9 = 9.8481
Notice that points ( i ), ., (vi) are approaching x=1 from the right and points
(vii), ., (xi) are approaching from the left.
The closer is a point Q to x=1, the closer is the slope of the line PQ to the slope of the tangent at x=1.
For this articular function you can treat a pair like (xi),(vi) as an upper and lower
bound on the slope of the tangent.
If you can find a pair (something like Q1=0.999, Q2=1.001) so close to x=1 that the two secant lines PQ1 and PQ2 have identical slopes within two decimal places, then you have your estimate.
The exact value of the slope at x=1 is -14π.
The thing about this function is that it alternates between up and down extremely quickly.
If I could attach a graph I would; I would recommend that you look at it in some graphing tool.
Just imagine what is happening around x=1:
The argument of sin is 14π, making the value of the function 0.
If you keep increasing x beyond 1, the argument of sin gets smaller;
when the argument of sin gets to 13.5π the value of the function reaches -1
and the direction of the slope reverses.
That means that to get any meaningful estimate of the slope you need x
such that 14π/x is in the interval (13.5π, 14.5π).
That means x must be in the interval (0.97, 1.03).
And you probably need to try values even closer to 1 to get accuracy to 2 decimal digits.
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If the dot indicates the center of the circle, which equation must be true?
If the dot indicates the center of the circle, the equation that must be true is
C. angle A + angle B = 180 degreesWhat is angle on a semi circle?The diameter of the semicircle is shown by line segment bearing the dot at the center.
By drawing a line from each end of the diameter to any location on the semicircle, the inscribed angle is created anywhere you perform this is a 90-degree angle will result.
This mean that angle B = angle A = 90 degrees
hence there addition is 180 degrees
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f(x) = -3√x-5+1
Transform the following functions(this includes graphing them) and describe the transformation.
The given function is a radical expression with a coefficient of -3, a radicand of x-5, and a constant of 1.
What is function?A function is a process or set of instructions that takes inputs, performs a specific task, and produces an output. Functions are key components of programming languages, allowing the coder to create complex commands with simple instructions. For example, a function can be used to add two numbers together or to generate a random number. Functions can also be combined to create more complex sequences of instructions.
This function can be graphed on a coordinate plane by plotting the points that satisfy the equation. The graph of the given function will look like a parabola that is shifted up 1 unit and shifted left 5 units. It can also be seen that this function has been vertically stretched by a factor of 3.
To transform this function, we can use the same rules that apply to linear functions. For example, we can shift the graph up 3 units by adding 3 to the constant of 1, making the new equation f(x) = -3√x-5+4. We can also shift the graph down 5 units by subtracting 5 from the radicand, making the new equation f(x) = -3√x-10+1. Additionally, we can shift the graph left 2 units by subtracting 2 from the radicand, making the new equation f(x) = -3√x-7+1. Finally, we can shift the graph right 4 units by adding 4 to the radicand, making the new equation f(x) = -3√x-1+1.
Overall, by applying the same transformation rules that apply to linear functions, it is possible to transform the given radical expression. The transformation will result in a graph that is shifted up or down, left or right, and vertically stretched or compressed.
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find the value of y0 for which the solution of the initial value problem y − y = 1 3 sin t, y(0) = y0 remains finite as t → [infinity].
The value of y0 for which the solution of the initial value problem y' − y = 1 + 3 sin t, y(0) = y0 is:
y(0) = 3√2 - 1 = 3.24
Now, According t o the question:
A linear equation or polynomial, with one or more terms, consisting of the derivatives of the dependent variable with respect to one or more independent variables is known as a linear differential equation.
The general solution y of this equation is y = y0 + y1
where y0 = A[tex]e^t[/tex] is the solution for the equation y' - y = 0 (homogeneous equation), an
y1 = (3/2)(sint + cost) - 1 = 3√2 sin(t + (π/4)) - 1 -
particular solution of the inhomogeneous equation. Thus, we have
y(t) =A[tex]e^t[/tex] + 3√2 sin (t + (π/4)) - 1
To have the function y(t) finite for t → ∞ ,
We have to put A = 0. Then, it follows
y(0) = 3√2 - 1 = 3.24
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Where would you put 0.22 at on a number line?
The answer will that the point 0.22 is located in between 0 and 1 in the number line.
What is number line?A number line is a representation of numerical data that has been plotted along a straight line, either horizontally or vertically. Writing the numbers down on a number line makes it straightforward to compare the numbers and perform basic arithmetic operations on them. Zero is frequently used to denote the beginning of a number line (0).
While the numbers directly to the right of zero are all positive, those directly to the left of zero are all negative. We can therefore claim that on a number line, the value of numbers increases as we move to the right. According to this assertion, the numbers on the right are consequently larger than the ones on the left.
Before we begin, keep in mind that a number line is a line with a zero in the middle, increasing positive numbers to the right of the zero, and decreasing negative numbers to the left of the zero. Since the line is infinitely long, it is impossible to display the entire line; however, we will show where the value 0.22 is situated on the line.
Hence the answer will that point 0.22 is located between 0 and 1.
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Answer:
Below
Step-by-step explanation:
See image
HELP ASAP PLEASE !!!
The starting value of the expression is, y = 3.
What is Multiplication?To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.
We have to given that;
The expression is,
⇒ y = 3 × q⁵
Now, For starting value substitute q = 1 in above equation,
⇒ y = 3 × q⁵
⇒ y = 3 × 1⁵
⇒ y = 3 × 1
⇒ y = 3
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What is the factored form of 24g2 - 6?
Answer:
6(2g+1) (2g-1)
Answer:
6(2g - 1)(2g + 1)
Step-by-step explanation:
24g² - 6 ← factor out the common factor of 6 from both terms
= 6(4g² - 1) ← 4g² - 1 is a difference of squares and factors in general as
a² - b² = (a - b)(a + b) , then
4g² - 1
= (2g)² - 1²
= (2g - 1)(2g + 1)
then
24g² - 6 = 6(2g - 1)(2g + 1) ← in factored form
A museum groundskeeper is creating a semicircular statuary garden with a diameter of 21 feet. There will be a fence around the garden. The fencing costs $9. 50 per linear foot. About how much will the fencing cost altogether? Round to the nearest hundredth. Use 3. 14 for π.
The fencing will cost about how much
The fencing around the perimeter of semicircular statuary garden of diameter 21 feet will altogether cost $300
given that the diameter of the garden is 21 feet
cost per linear foot is $9.50
perimeter of semicircle = [tex]\pi r[/tex]
hence the perimeter of the garden will be [tex]3.14*\frac{21}{2}[/tex]
which is equal to 32.97 feet
now since the cost of fencing per linear foot is $9.50
the cost of fencing the perimeter will be [tex]32.97*9.50[/tex]
i.e $313.215≈ $300
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HELP pls will mark you the brainliest
Answer:-3, -1/2
Step-by-step explanation:
bro this was tough for me i f u kin hate algebra but yeah theres your answer my guy
Solve the system of equations using elimination. −2x + 3y = 15 x + y = 10 (2, 8) (3, 7) (6, 9) (9, 11)
The solution is Option B.
The system of equations is solved and the value of x and y is ( 3 , 7 )
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the first equation be represented as A
Now , the value of A is
-2x + 3y = 15 be equation (1)
Let the first equation be represented as B
Now , the value of B is
x + y = 10 be equation (2)
On simplifying the equation , we get
Subtracting y on both sides of the equation , we get
x = 10 - y be equation (3)
Substituting the value of x from equation (3) in equation (2) , we get
-2 ( 10 - y ) + 3y = 15
On simplifying the equation , we get
-20 + 2y + 3y = 15
Adding 20 on both sides of the equation , we get
5y = 35
Divide by 5 on both sides of the equation , we get
y = 7
Substitute the value of y in equation (3) , we get
x = 10 - 7
x = 3
Hence , the value of x and y is 3 and 7 respectively
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Answer:
Option B: (3, 7)
Step-by-step explanation:
i took the test xx
3. Priya says, "I can figure out the value of 3-¹ by looking at other powers of 3. I know that 32 = 9, 3¹ = 3, and 3⁰ = 1."
a. What pattern do you notice?
b. If this pattern continues, what should be the value of 3-¹?
c. If this pattern continues, what should be the value of 3-2?
a) The pattern we noticed in the sequence is; A geometric sequence
b) The value of 3⁻¹ which is the fourth term is; 1/3
c) The value of 3⁻² which is the fifth term is; 1/9
How to solve geometric progression?The general formula for the nth term of a geometric progression is;
aₙ = arⁿ⁻¹
where;
a is first term
r is common ratio
We are given the sequence as;
3², 3¹, 3⁰,____
Thus;
First term a = 9
Common ratio; r = 3/9
r = 1/3
b) Thus; 3⁻¹ will be the 4th term and as such will be;
3⁰ * 1/3 = 1/3
c) Similarly, The fifth term is 3⁻² expressed as;
1/3 * 1/3 = 1/9
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How to Use the Order of Operations Calculator?
You will see what the calculator thinks you entered (which may be a little different to what you typed), and then a step-by-step solution. There can be more than one way to find a solution.
What is meant by solution?
Any mixture of one or more solutes that have been dissolved in a solvent is referred to as a solution. To create a homogenous mixture, a solute must dissolve in a solvent. To create a homogenous mixture, a solute must dissolve in a solvent.In chemistry, a solution is a homogeneous mixture of two or more compounds in their relative proportions. The composition of the solution can be continually changed up to the solubility limit. Although solutions of gases and solids are possible, the term "solution" is most frequently used to refer to the liquid condition of matter.A homogenous mixture of two or more components with particles smaller than 1 nm is referred to as a solution.To learn more about solution refer to
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the length of the altitude to the hypotenuse of a right triangle with legs of length3 and4 is ? (fraction).
The hypotenuse is 5 of a right triangle with legs of length3 and4
The Pythagoras theorem goes as follows:
The relationship between the three sides of a right-angled triangle is explained by the Pythagoras theorem, commonly known as the Pythagorean theorem. The Pythagoras theorem states that the square of a triangle's hypotenuse is equal to the sum of its other two sides' squares.
a²+b²=c²
'A' and 'B' are the other two legs, and '=' is the hypotenuse of the right triangle. As a result, the Pythagoras equation can be used for any triangle that has one angle that is exactly 90 degrees to create a Pythagoras triangle.
Here: a=3,b=4
32+42=c²
9+16=c²
25=c²
=√25=5
So, the hypotenuse is 5
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Solve CD divided by XX
Show ur answer Is standard form.
Therefore, when CD is divided by XX, Is standard form 20
Roman numerals 1 to 100 are what?The fixed positive integers are represented by alphabets in roman numerals. I, II, III, IV, V, VI, VII, VIII, IX, and X are roman numerals that stand for the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 respectively
We know that
CD = (D – C)
CD = (500 – 100)
CD = 400
XX = (X + X)
XX = (10 + 10)
XX = 20
CD = 400 and XX = 20 in numbers.
On dividing 400 by 20
Now, 20
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How can you tell if data has outliers? Include the formula
Using interquartile ranges.
Interquartile range (IQR) indicates the middle half range of the data set. You can use IQR to create "fences" around your data and define outliers as values outside those fences.
This method is useful when you have some values on either end of your dataset, but you are not sure whether any of them should be considered outliers.
Interquartile range method Sort the data from lowest to highest Identify the first quartile (Q1), median, and third quartile (Q3). Calculate IQR = Q3 – Q1 Calculate Top Fence = Q3 + (1.5 * IQR) Calculate bottom fence = Q1 – (1.5 * IQR) Use fences to highlight outliers, values outside the fence.About outliers of dataOutliers are data that deviate too far from other data in a data set (outlier). The existence of these data outliers will make the analysis of a series of data biased, or not reflect the actual phenomenon. The term outliers is also often associated with extreme values, both large extremes and small extremes.
As an illustration, if there are four students, the first student has a monthly allowance of Rp. 500 thousand, second students Rp. 600 thousand, third student Rp. 700 thousand, and the fourth student because he is the son of a rich man (sultan), has a monthly allowance of up to Rp. 5 million. At a glance it appears that the value of 5 million is relatively far compared to the pocket money of the other three students.
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Among the senior class at a high school, 55% of Ms. Keating's students plan on majoring in a branch of STEM,
while 49% of Ms. Lewis's students plan on majoring in a branch of STEM. Suppose Ms. Keating chooses 25 of her
students at random and Ms. Lewis chooses 23 of her students at random. Since nkPk nk (1 - PK) and nipun (1 -
PL) are all greater than 10, the Normal condition is met. Let K = the proportion of Ms. Keating's students from the
sample who plan on majoring in a branch of STEM, and let L = the proportion of Ms. Lewis's students from the
sample who plan on majoring in a branch of STEM. What is the probability that the proportion of students who plan
on majoring in a branch of STEM is greater for Ms. Keating?
Find the z-table here.
O 0. 338
0. 614
0. 662
0. 841
The probability that the proportion of students who plan on majoring in a branch of STEM is greater for Ms. Keating than for Ms. Lewis can be found by looking up the z-table. This can be done by finding the standard deviation for the difference between the two proportions, which is calculated by (55-49)/sqrt(25+23). This gives a standard deviation of 0.6.
The probability of the proportion being greater for Ms. Keating can be found by taking the difference between the two proportions (0.06) and subtracting it from 1 (1-0.06). This gives a probability of 0.94, which can be found on the z table as 0.841. This means that the probability of the proportion of students who plan on majoring in a branch of STEM being greater for Ms. Keating than for Ms. Lewis is 0.841.
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f oil leaks from a tank at a rate of rstd gallons per minute at time t, what does y 120 0 rstd dt represent?
By applying the definite integral concept, it can be concluded that ∫₀¹²⁰ r(t) dt represents the number of gallons of oil that leaked from the tank in the first two hours.
Integral is a form of continuous addition that is the inverse of the derivative (anti-derivative)
Definite integral is an integral form in which the integration variables have limits (upper and lower limits) written at the top and bottom of the integral notation.
If y = f(x) is continuous on the interval a ≤ x ≤ b, where a is the lower limit and b is the upper limit, then:
∫ₐᵇ f(x) dx = F(x) |ₐᵇ
= F(b) - F(a) , where
F(x) = anti-derivative of f(x) on the interval a ≤ x ≤ b
In everyday life, integrals can be used to calculate the volume of a container when the flow rate is known.
r(t) = V'(t) , where:
r(t) = flow rate
V'(t) = anti-derivative of volume
We have a function ∫₀¹²⁰ r(t) dt where r(t) is the oil leaks rate.
As we know that r(t) = V'(t), we can substitute this into the function:
∫₀¹²⁰ r(t) dt = ∫₀¹²⁰ V'(t) dt
= V(120) - V(0)
Now we understand that this function represents the change of volume from t = 0 to t = 120 minutes (2 hours).
Or in the other words, this function represents the number of gallons of oil that leaked from the tank in the first two hours.
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Use the graph to answer the questions: What does (3, 36) represent? What ordered pair describes the unit rate?
The pair (3, 36) means 3 dozens required 36 cookies
And the unit rate is 12
What does (3, 36) represent?From the question, we have the following parameters that can be used in our computation:
The graph
On the graph, we have
x = dozen
y = cookies
This means that
(3, 36) means 3 dozens required 36 cookies
What ordered pair describes the unit rate?Using the ordered pair in (a):
The unit rate of the pair (3, 36) is 36/3 = 12.
This means that for every 1 dozen change, there is a corresponding 12 cookies change
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a) calculate the tensile stresses, σs, σb, σc in the steel, brass, and copper, respectively, due to the force p.
Steel: σs = p/A_s; Brass: σb = p/A_b; Copper: σc = p/A_c , where A_s, A_b, A_c are the areas of the steel, brass, and copper, respectively.
To calculate the tensile stresses in the steel, brass, and copper due to the force p, we use the formula: σ = p/A, where σ is the tensile stress and A is the area of the material. For the steel, the area is A_s, so the tensile stress σs is equal to p divided by A_s. For the brass, the area is A_b, so the tensile stress σb is equal to p divided by A_b. Finally, for the copper, the area is A_c, so the tensile stress σc is equal to p divided by A_c. Therefore, the tensile stresses in the steel, brass, and copper due to the force p can be calculated using the formula σ = p/A, where A is the area of the material.
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2xy' y = 6x, x > 0, y(4) = 22
The value of y when x=4 is 24. However, the given value of y is 22, so the answer is incorrect
The given equation is written in slope-intercept form as y=6x. This is a linear equation where 'y' is a function of 'x', and the slope is 6.
To calculate the value of y when x=4, first substitute the value of x in the given equation.
y = 6x
= 6 x 4
= 24
Therefore, the value of y when x=4 is 24. However, the given value of y is 22, so the answer is incorrect.
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if 4x-y=12, then what is the value of
The value of (16^x)/(2^y) if 4x-y=12 is 4096.
Therefore the answer is 4096.
We are given the equation 4x - y = 12. To find the value of (16^x)/(2^y), we need to find the values of x and y. To do this, we can isolate either x or y and solve for it:
4x - y = 12
y = 4x - 12
We can substitute the expression for y into the expression for (16^x)/(2^y) to find the value:
(16^x)/(2^y) = (16^x)/(2^(4x - 12)) = (16^x)/(2^(4x)) * (2^12)
Note that 2^4 = 16, so (16^x)/(2^4x) = 1, which means that (16^x)/(2^y) =2^12.
Therefore, the value of (16^x)/(2^y) is 4096.
--The question is incomplete, answering to the question below--
"If 4x-y=12, then what is the value of (16^x)/(2^y) "
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a human gene carries a certain disease from a mother to her child with a probability rate of 0.41. that is, there is a 41% chance that the child becomes infected with the disease. suppose a female carrier of the gene has five children. assume that the infections, or lack thereof, are independent of one another. find the probability that all five of the children get the disease from their mother. 0.05 0.012 0.071 0.988 additional content details
The probability that all five of the children get the disease is 0.012.
The probability of a single child getting the disease from the mother is 0.41. The probability that all five children will get the disease from their mother can be found by multiplying the probability of each child getting the disease. So, the probability that all five of the children get the disease is
= 0.41 * 5
= 0.41 * 0.41 * 0.41 * 0.41 * 0.41
= 0.012.
= 1.2%
This means that there is a 0.012, or 1.2%, chance that all five of the children will get the disease from their mother.
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Choose the two steps that are part of factoring the trinomial 6x2 + 17x + 5 by grouping.
1. Factor out the greatest common factor (GCF) from the coefficients.
2. Split the middle coefficient into two factors that add to the middle coefficient and multiply to the last coefficient.
What is the the factored form?1. First, identify the GCF of the coefficients, which is 1. Since there is no GCF, this step can be skipped.
2. Next, split the middle coefficient (17) into two factors that add to the middle coefficient and multiply to the last coefficient.
Since 17 = 8 + 9, we can use 8 and 9 as our two factors.
3. Group the terms by the common factors.
We can group the first and last term together (6x2 + 5) and the middle term separately (17x).
4. Factor out the common factor, which is x, from the first and last group. This gives us x(6x + 5).
5. Lastly, factor the remaining quadratic expression (6x + 5).
Since 8 and 9 are the two numbers that add to the middle coefficient and multiply to the last coefficient, we can use them as our two factors. This gives us (6x + 8)(x + 9).
Therefore, the factored form of 6x2 + 17x + 5 is x(6x + 8)(x + 9).
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Rebecca and Dan are biking in a national park for three days. They rode hours the first day and hours the second day. How long do they need to ride on the third day to make their goal of biking a total of 20 hours in the park?
They need to ride "x = 20 - (hours a first day + hours second day)" on the third day to make their goal of biking a total of 20 hours in the park.
Let's call the number of hours Rebecca and Dan rode on the third day "x".
Then, the total number of hours they rode in the park is given by:
total hours = hours first day + hours second day + x
And, we know that their goal is to bike a total of 20 hours in the park, so we can set the equation equal to 20:
total hours = hours first day + hours second day + x = 20
We can substitute in the values for hours first day and hours second day:
20 = hours first day + hours second day + x
So, to find the number of hours they need to ride on the third day to reach their goal, we just need to solve for x:
x = 20 - (hours first day + hours second day)
We would need to know the values for hours first day and hours second day to find the exact value of x.
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What is the effect of changing from a 90% confidence interval estimate for a population proportionto a 99% confidence interval for a population proportion (with all other things being equal)?A) An increase in the interval size by 9%.B) A decrease in the interval size by 9%.C) An increase in the interval size by 57%.D) A decrease in the interval size by 57%.E) This question cannot be answered without knowing the sample size.
The effect of changing from a 90% confidence interval estimate for a population proportion to a 99% confidence interval for a population proportion is an increase in the interval size by 57%.
A confidence interval is a range of values that is likely to contain the true population parameter with a certain degree of confidence.
When you increase the level of confidence, for example from 90% to 99%, you increase the width of the confidence interval.
The reason for this is that a higher level of confidence requires a wider range of values to ensure that the true population proportion is included within the interval with the specified level of confidence.
This increase in interval size allows us to be more certain that the true population proportion is included within the interval, but also makes the interval less precise in terms of estimating the population proportion.
Answer choice (C) is correct. An increase in the confidence level from 90% to 99% results in an increase in the interval size by approximately 57%.
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It takes three men six hours to repair a road . How long would it have taken two men?
Answer:
9 hours
Step-by-step explanation:
The time taken is inversely proportional to the number of men; if M = number of men and D = number of days this can be expressed as
[tex]D \displaystyle \propto } \dfrac{1}{M}\\\\\text{which can be expressed as an equation: }\\\\D = k \cdot \dfrac{1}{M}\\\\or\\\\D = \dfrac{k}{M}\\\\[/tex]
k is known as the constant of proportionality which can be expressed as
[tex]k = D\cdot M[/tex]
Inversely proportional means:
As the number of men increases, the time taken decreases
As the number of men decreases, the time taken increases
We can find k from the given information with M = 3 and D = 6 hours
[tex]k = 6 \cdot 3 = 18[/tex]
[tex]\textrm{Therefore, given M= 2, D = $\dfrac{18}{2} = 9$ \;hours}[/tex]
For 2 men it will take 9 hours to repair the road
what is the volume of a triangluar pyrimad that is 6 inches tall and has a base area of 7 square inches
volume= 127.31
if base side is 7 and height is 6
Answer: 14
Step-by-step explanation:
Volume = 1/3 x 7 x 6
Volume = 1/3 x 42
Volume = 14
Term I Week 1 5. A fruit shop bought 500 kg of apples for R900 and sold them for R2,80 per kg. a) What is the profit per kilogram? b) Calculate the profit as a percentage of the cost price, correctly to one decimal plac which cost R98,95 for c) Calculate the profit as a percentage of the selling price correctly to one decimal pe R200. She spent R476,28 on parts and paint to renovate l newspaper
If Term I Week 1 5. A fruit shop bought 500 kg of apples for R900 and sold them for R2,80 per kg.
a) The profit per kilogram is R1 per kilogram
b) The profit as a percentage of the cost price is 55.56%
c) The profit as a percentage of the selling price is 35.71%
How to find the selling price?a) Selling price
Selling price for 500 kg of apples = 500 * 2.80
Selling price for 500 kg of apples = R1400
Profit per kilogram = R1400 - R900 = R500 / 500 kg
Profit per kilogram = R1 per kilogram
b) The profit as a percentage of the cost price:
= R500 / R900 * 100
= 55.56%
c) The profit as a percentage of the selling price:
= R500 / R1400 * 100
= 35.71%
Therefore the profit per kilogram is R1 per kilogram.
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