Answer:
Cereal A is cheaper by $0.15
Step-by-step explanation:
Cost of a 10-ounce box of Cereal A = $2.70
So,
Cost of a 1-ounce box of Cereal A = \(\frac{2.70}{10}=\$0.27\)
Cost of a 15-ounce box of Cereal A = \(0.27(15)=\$4.05\)
Also,
Cost of a 13-ounce box of Cereal B = $3.64
So,
Cost of a 1-ounce box of Cereal B = \(\frac{3.64}{13}=\$0.28\)
Cost of a 15-ounce box of Cereal B = \(=0.28(15)=\$4.2\)
Here,
Cost of a 15-ounce box of Cereal B - Cost of a 15-ounce box of Cereal A = \(4.2-4.05=\$0.15\)
Therefore,
Cereal A is cheaper by $0.15
The function graphed models the profits, P(c), in thousands of dollars a store earns as a function of the number of clerks, c, working that day. Which statements are true based on the model?
Answer:
Options (1), (2) and (5)
Step-by-step explanation:
Outcomes from the quadratic function given in the graph,
1). Negative y-intercept of the graph represents the loss to the store when x = 0 Or the loss when no clerk is working.
2). Peak of the parabola represents a point (vertex) with x-coordinate as number of clerks working = 4 and y-coordinate as maximum profit earned by the store = $400,000
3). x-intercept of the graph shows the number of clerks working at store when profit earned by the store is zero.
Graph reveals that the store is in loss when number of clerks is zero and 8.
Summarizing these outcomes from the graph,
Options (1), (2), (5) are the correct options.
The function graphed models the profits, P(c), in thousands of dollars a store earns as a function of the number of clerks, c, working that day.
Which statements are true based on the model?
which of these is a factor in this expression?
The factor for the Expression 7\(z^4\)-5 + 10y³ + 20 is (y³ + 2)
What is Expression?A mathematical operation such as subtraction, addition, multiplication, or division is used to combine terms into an expression. In a mathematical expression, the following terms are used:
An absolute numerical number is referred to as a constant.Variable: A symbol without a set value is referred to as a variable.Term: A term can be made up of a single constant, a single variable, or a mix of variables and constants multiplied or divided.Coefficient: In an expression, a coefficient is a number that is multiplied by a variable.Given:
7\(z^4\)-5 + 10y³ + 20
Factorizing the expression
7\(z^4\)-5 +10(y³ + 2)
So, the factor in the expression is (y³ + 2).
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how many faces edges and vertices does a rectangular prism have
A rectangular prism has 6 faces, 8 vertices and 12 edges.
What is rectangular prism?
A rectangular prism is a three-dimensional shape, that has six faces (two at the top and bottom and four are lateral faces). All the faces of the prism are rectangular in shape. Hence, there are three pairs of identical faces here. Due to its shape, a rectangular prism is also called a cuboid. A rectangular prism is a three-dimensional solid shape with six faces that including rectangular bases. A cuboid is also a rectangular prism. The cross-section of a cuboid and a rectangular prism is the same.
If all the faces of the prism are squares then the rectangular prism is a cube. The volume of a rectangular prism is a measure of the space inside the prism.
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Prove or disprove that the point (5,11−−√)(5,11) lies on the circle centered at the origin and containing the point (2,5√)(2,5).
The point does not lie on the center of the circle.
The point (5, 11) does not lie on the circle centered at the origin and containing the point (2, 5√).
The center of the circle in question is the origin (0, 0). The point (2, 5√) lies on the circle, so we need to check if the distance between the origin and (5, 11) is equal to the radius.
To determine if a point lies on a circle, we can calculate the distance between the center of the circle and the given point. If the distance is equal to the radius of the circle, then the point lies on the circle.
The distance between two points in a coordinate plane can be calculated using the distance formula: d = sqrt((x2 - x1)^2 + (y2 - y1)^2).
Calculating the distance between the origin and (5, 11), we have:
d = sqrt((5 - 0)^2 + (11 - 0)^2) = sqrt(25 + 121) = sqrt(146)=12.083.
Since the distance, sqrt(146), is not equal to the radius of the circle, the point (5, 11) does not lie on the circle centered at the origin and containing the point (2, 5√).
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An inequality is shown.
-2x + 12 < 18
What is the solution to the inequality
Ο x < -3
0 X > 3
O x > -3
O X< 3
Answer:
x > - 3
Step-by-step explanation:
Given
- 2x + 12 < 18 ( subtract 12 from both sides )
- 2x < 6
Divide both sides by - 2, reversing the symbol as a result of dividing by a negative quantity
x > - 3
a prescription for ear drops specifies that the patient put 2 drops in each ear twice a day for 9 days. approx how many millilitres of medication would be needed for this prescription? ( dosage×frequency×day supply )
approximately 3.6 milliliters of medication would be needed for this prescription.
To calculate the total milliliters of medication needed for this prescription, we will use the formula dosage × frequency × day supply.
In this case, the dosage is 2 drops per ear, the frequency is twice a day, and the day supply is 9 days.
First, let's find out how many drops are needed per day:
2 drops/ear × 2 ears = 4 drops
Since the frequency is twice a day, multiply this number by 2:
4 drops × 2 = 8 drops per day
Now, multiply the number of drops per day by the day supply (9 days):
8 drops/day × 9 days = 72 drops
Typically, 1 drop is approximately 0.05 millilitres. To find out how many millilitres of medication are needed, multiply the total number of drops by the volume of one drop:
72 drops × 0.05 mL/drop = 3.6 mL
So, approximately 3.6 millilitres of medication would be needed for this prescription.
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Approximately 1.8 milliliters of medication would be needed for this prescription.
To calculate how many milliliters of medication would be needed for this prescription, we need to use the following formula:
dosage × frequency × day supply.
The dosage is 2 drops, the frequency is twice a day, and the day supply is 9 days.
First, we need to convert drops to milliliters.
One drop is equal to approximately 0.05 milliliters.
2 drops would be equal to 0.1 milliliters.
Next, we can plug in the values into the formula:
\(0.1 milliliters/drop \times 2 drops/twice a day \times 9 days = 1.8 milliliters. \)
The patient will be using exactly 2 drops in each ear for each dose, and that there will be no waste or spillage of the medication.
To determine how many milliliters of medicine would be required for this prescription:
dose frequency day supply.
The recommended dosage is 2 drops, twice day, with a 9-day supply.
We must first convert droplets to milliliters.
A drop is around 0.05 milliliters in volume. As a result, 2 drops are equivalent to 0.1 milliliters.
The values may then be entered into the formula as follows:
0.1 milliliters each drop times twice daily for nine days equals 1.8 milliliters.
As a result, this prescription would require about 1.8 milliliters of medicine.
It's crucial to note that this estimate is predicated on the patient applying precisely 2 drops to each ear for each dose.
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a machine consists of two parts and . probability of defect in is and that in is . what is the probability that the assembled machine will not have any defect?
The probability that the assembled machine will not have any defect is (1 - P(A)) * (1 - P(B)), assuming independence.
To find the probability that the assembled machine will not have any defect, we need to calculate the probability that both parts do not have any defects.
Let's assume that the probability of defect in Part A is P(A), and the probability of defect in Part B is P(B).
The probability that Part A does not have any defect is given by (1 - P(A)), and the probability that Part B does not have any defect is (1 - P(B)).
Since the two parts are independent, the probability that both Part A and Part B do not have any defects is the product of their individual probabilities:
P(No Defect) = (1 - P(A)) * (1 - P(B))
Therefore, the probability that the assembled machine will not have any defect is (1 - P(A)) * (1 - P(B)).
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due last weeeekk help!!!!
A sequence of transformation that would move ΔABC onto ΔDEF is: D. a dilation by a scale factor of 1/2, centered at the origin, followed by a 90° clockwise rotation about the origin.
What is a dilation?In Geometry, a dilation is a type of transformation which typically changes the size of a geometric object, but not its shape.
In this scenario an exercise, we would dilate the coordinates of the pre-image by applying a scale factor of 1/2 that is centered at the origin as follows:
Ordered pair B (-4, 2) → Ordered pair B' (-4 × 1/2, 2 × 1/2) = Ordered pair B' (-2, 1).
In Mathematics and Geometry, a rotation can be defined as a type of transformation which moves every point of the object through a number of degrees around a given point, which can either be clockwise or counterclockwise (anticlockwise) direction;
(x, y) → (y, -x)
Ordered pair B' (-2, 1) → E (1, 2)
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What is the greatest common factor of 35 and 25
Answer:
5
Step-by-step explanation:
5 |35 | (5 is the divisor and 35 is the dividend)
= 7|
For 25;
5 |25|
=5
35 = 5 * 7
25 = 5 * 5
Now, common factor =5
The table displays the scores of students on a recent exam. Find the mean of the
scores to the nearest 10th.
Answer:
please see photo for detailed analysis
sketch the curve with the given polar equation. θ = −π/6
We can use the polar equation r = f(θ) to sketch the curve. However, since you have only provided the value of θ as −π/6, we cannot determine the shape of the curve without knowing the equation of the function f(θ).
In order to sketch the curve, we need to plot at least three points on the polar coordinate plane. We can do this by selecting three different values of θ, plugging them into the polar equation, and finding the corresponding values of r. We can then plot these points and connect them to form the curve.
Answer:
1. First, recall that in polar coordinates, a point is represented by (r, θ), where r is the distance from the origin, and θ is the angle measured counter-clockwise from the positive x-axis.
2. In this case, the polar equation is given as θ = -π/6, which means the angle is fixed at -π/6 radians, or -30 degrees.
3. Since r can take any value, this curve is a straight line consisting of all points that are located at a -30-degree angle from the positive x-axis. To visualize this, imagine a ray starting at the origin and rotating -30 degrees in the clockwise direction.
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pls help i will put braininliest
Answer:
Container B
Step-by-step explanation:
As depth increases the time it takes to fill the container increases. Object B is the best fit cause the amount of water in 1 seconds it needs at first is less and then the time its takes as depth increases is more.
Hannah wants to rewrite 18+12 using the greatest common factor and the distributive property. Which expression should she write?
1. 6(3+2)
2. 6(18)+6(12)
3. 3(18+2)
4. 6(3+12)
Answer:
A
Step-by-step explanation:
18 + 12 = 30
A: 6 (3 + 2) = 30
Simplified 6*5 = 30
Calculate the slope of the trend line
Please... :(
Answer:
Slope is .18
Step-by-step explanation
Find two points along the line.
Calculate slope using \(\frac{y2-y1}{x2-x1}\).
I used the points (1985, .21) and (1990, .30).
help my brain isnr braining rn
Step-by-step explanation:
C'mon....really?
The y -axis intercept is where it crosses the y-axis = -2
The x-axis intercept is where the graph crosses the x-axis = 4
It took Freddy 1/2 hr to paint 1/5 of a fence. How long in minutes will it take him to paint the whole fence? I NEED THIS ASAP
Caroline wants to buy 100 g of spice mix from a British or French website.
The conversion rate is €1 = £0.85
What is the price, including delivery costs, that Caroline would pay for the spice mix from the cheaper website? Give your answer in pounds (£).
British website: £0.90 for 25 g Free delivery.
French website: €1.20 for 50 g €0.80 delivery per order.
The website which is cheaper for Caroline to buy the spice mix is French website.
Given data ,
Let's calculate the total cost for Caroline from both websites and determine which one is cheaper.
British website:
Price for 100 g = (£0.90 / 25 g) * 100 g = £3.60
Since the British website offers free delivery, the total cost remains £3.60.
French website:
Price for 100 g = (€1.20 / 50 g) * 100 g = €2.40
Delivery cost = €0.80
On simplifying the equation , we get
To convert the price and delivery cost to pounds, we'll use the conversion rate: €1 = £0.85.
Price in pounds = €2.40 * £0.85 = £2.04
Delivery cost in pounds = €0.80 * £0.85 = £0.68
Total cost = Price in pounds + Delivery cost = £2.04 + £0.68 = £2.72
Comparing the total costs:
British website: £3.60
French website: £2.72
Hence , Caroline would pay £2.72 for the spice mix from the cheaper website, which is the French website.
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The test statistic of z equals = 2.94 2.94 is obtained when testing the claim that p not equals ≠ 0.877 0.877. A. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. B. Find the P-value. C. Using a significance level of alpha α equals = 0.01 0.01, should we reject Upper H 0 H0 or should we fail to reject Upper H 0 H0?
Answer:
Step-by-step explanation:
The claim being tested is that p not equals ≠ 0.877
A) This is the alternative hypothesis and it is a two tailed test. It means that it can be in either direction.
B)Given that z = 2.94, the p value would be determined from the normal distribution table. Since the curve is symmetrical and it is a two tailed test, the p for the left tail and the right tail would be considered. We will look at the area in both tails. Since it is showing in one tail only, we would double the area
From the normal distribution table, the area above the test z score in the right tail is 1 - 0.998 = 0.002
We would double this area to include the area in the left tail of z = - 2.94 Thus
p = 0.002 × 2 = 0.004
C) Since alpha, 0.01 > than the p value, 0.004, then we would reject the null hypothesis, H0
Today, 8 friends went out for lunch. Their total bill was $37.92, including tax and gratuity. They decided to split the bill equally and each paid with a $10 bill.
How much money will each person get back
Answer:
$37.92+$10=$27.92
so a money will each person get back is $27.92
Say, for example, the correlation is 0.75 between fat content (measured in grams) and cholesterol level (measured in milligrams) for 20 different brands of American cheese slices. If cholesterol level were changed to being measured in grams (where 1 gram = 1000 milligrams), what effect would this have on the correlation?
If cholesterol level were changed to being measured in grams instead of milligrams, the correlation between fat content and cholesterol level would not be affected.
This is because correlation is a measure of the strength and direction of the linear relationship between two variables, and converting the units of measurement does not change the underlying relationship between the variables. So, the correlation coefficient of 0.75 would remain the same whether cholesterol level is measured in milligrams or grams.
The correlation between fat content and cholesterol level for the 20 different brands of American cheese slices is 0.75. If you change the measurement of cholesterol level from milligrams to grams (1 gram = 1000 milligrams), it will not affect the correlation. The correlation coefficient will remain 0.75, as it is unit-less and only represents the strength and direction of the relationship between the two variables.
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12. The Ryans are researching venues for their family reunion. The Picnic Place charges $150 toreserve a picnic shelter and $20 per hour to use the shelter. Totally Tents charges $300 for therental and setup of a tent and $10 per hour to use their land. How much will each company chargefor a 5-hour reunion?+At how many hours will you need to reserve the shelters for both choices to cost the same?
Answer:
5-hour reunion at Picnic Place will cost $250.
5-hour reunion at Total Tent will cost $350.
15 hours for both choices to cost the same.
Explanation:
Let x represent the number of hours.
Let y represent the total cost.
For Picnic Place, our equation can be written as;
\(y=20x+150\)For a 5-hour reunion at Picnic Place, the charge will be;
\(\begin{gathered} y=20(5)+150 \\ =100+150 \\ =250 \end{gathered}\)For Total Tent, our equation can be written as;
\(y=10x+300\)For a 5-hour reunion, the cost will be;
\(\begin{gathered} y=10(5)+300 \\ y=50+300 \\ y=350 \end{gathered}\)To determine how many hours onwill need to reserve both shelters for both choices to cost the same, we just need to equate both equations and solve for x;
\(\begin{gathered} 20x+150=10x+300 \\ 20x-10x=300-150 \\ 10x=150 \\ x=\frac{150}{10}=15\text{hours} \end{gathered}\)Let x have a uniform distribution on the interval [a, b]. for n a positive integer, compute e(x^n) (b^n - a^n) / 2(b-a)
The final expression for e(x^n) is:
e(x^n) = (b^(2n+1) - a^(2n+1)) / ((n+1)(2n+1)(b^n - a^n))
The expected value of x^n is given by the formula E(x^n) = (b^(n+1) - a^(n+1)) / ((n+1)(b-a)) for a uniform distribution on the interval [a, b]. Therefore, substituting this into the given expression, we have:
e(x^n) (b^n - a^n) / 2(b-a) = [(b^(n+1) - a^(n+1)) / ((n+1)(b-a))] * (b^n - a^n) / 2(b-a)
Simplifying this expression, we can cancel out the (b-a) terms and obtain:
e(x^n) (b^n - a^n) / 2 = (b^(2n+1) - a^(2n+1)) / (2(n+1)(2n+1))
Therefore, the final expression for e(x^n) is:
e(x^n) = (b^(2n+1) - a^(2n+1)) / ((n+1)(2n+1)(b^n - a^n))
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Simplify the radical: 90
Answer:
Step-by-step explanation:
3√10
Answer:
By the prime factorization method, we find that the simplest radical
form \(\sqrt{90}\) is \(\sqrt[3]{10}\) .Have a Nice Day.
The perimeter of a rectangle is 172 feet. Find the length and width if the length is an integer and the width is 2 times the next consecutive integer.
The length of the rectangle is 28 feet, and the width is 58 feet.
How to find the length and width of the rectangle?We know that for a rectangle of length L and width W, the perimeter can be written as:
P = 2*(L + W)
Here we know that the perimeter is 172 ft, then we can write:
172 ft = 2*(L + W)
And we know that the length is an integer:
L = x
And the width is two times the next integer:
W = 2*(x + 1)
Then we can replace these two in the perimeter equation so we get:
172 = 2*(x + 2*(x + 1))
172 = 2*(x + 2x + 2)
172 = 6x + 4
172 - 4 = 6x
168 = 6x
168/6 = x
28 = x
So we have:
Length = x = 28 ft
Width = 2*(x + 1) = 2*(29) ft = 58ft
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The the length and width of the rectangle are 43 feet and 129 feet
What is a perimeter?Perimeter is the distance round an object, The rectangle is a polygon that has four sides and some of its angles is equal to 360 degrees
The given parameters that will help us to find the values of the length and width of the rectangle are
Perimeter = 172
The length is an integer = 2
The width is 2 times the next consecutive integer = 2(3) = 6
The ratio of the sides of the rectangle is
W = 2/8 *172 = 43
Length = 6/8*172 = 129
Therefore length and the width of the rectangle are 43 feet and 129 feet
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Regina's bird feeder holds 2 2/3 cups Regina is filling the bird feeder with a scoop that holds 1/3 of a cup how many scoops of birdseed will regina put into the feeder(help please)
what is the product of (-2x+6)(3x-4)
Answer:
\(-6x^2+26x-24\)Step-by-step explanation:
\((-2x+6)(3x-4)=\)\((-2x)(3x)-4(-2x)+6(3x)-6(4)=\)\(-6x^2+8x+18x-24=\)\(-6x^2+26x-24\)find the circumference of the pizza to the nearest whole number. (7 in)
Answer:
43.96 in
Step-by-step explanation:
7×2×3.14=43.96
Answer:
The circumfrence is 154 inches.
C = π r^2
C = π 7^2
C = π 49
C = 153.938
C = 154 inches
discrete math
Select the property that best describes the following \( 1 . \) Domain Set: \( \{a, b, c\} \mid \) Target Set: \( \{x, y, z\} \) Function Set: \( \{(a, z),(b, y),(c, x) \). \( 2 . \) Domain Set: \( \{
The function is one-to-one or injective. The "Domain Set" but doesn't specify the "Target Set" or the "Function Set.
1. The **function** described in this scenario can be best described as a **one-to-one (injective)** function.
In the given function set, each element from the domain set is mapped to a unique element in the target set. There are no repeated mappings or collisions, indicating that each element in the domain set is associated with a distinct element in the target set. Therefore, the function is one-to-one or injective.
2. The second question seems to be incomplete. It mentions the "Domain Set" but doesn't specify the "Target Set" or the "Function Set." Please provide more information or clarify the question so I can provide an accurate answer.
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A standing wave can be mathematically expressed as y(x,t) = Asin(kx)sin(wt)
A = max transverse displacement (amplitude), k = wave number, w = angular frequency, t = time.
At time t=0, what is the displacement of the string y(x,0)?
Express your answer in terms of A, k, and other introduced quantities.
The mathematical expression y(x,t) = Asin(kx)sin(wt) provides a way to describe the behavior of a standing wave in terms of its amplitude, frequency, and location along the string.
At time t=0,
the standing wave can be mathematically expressed as
y(x,0) = Asin(kx)sin(w*0) = Asin(kx)sin(0) = 0.
This means that the displacement of the string is zero at time t=0.
However, it is important to note that this does not mean that the string is not moving at all. Rather, it means that the string is in a state of equilibrium at time t=0, with the maximum transverse displacement being A.
As time progresses, the standing wave will oscillate between the maximum positive and negative transverse displacement values, creating a pattern of nodes (points of zero displacements) and antinodes (points of maximum displacement).
The wave number k and angular frequency w are both constants that are dependent on the physical properties of the string and the conditions under which the wave is being produced.
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is x-2 a factor of f(x)=6x^2-7x-5
Answer:
its not
Step-by-step explanation:
if you do the division euclidiene the rest will be 5 not zero
f(x)=(x-2)(6x+5)+5