Answer:
This is an exponential function.
\(f(x) = 21472 ({1.017}^{x} )\)
Richard estimates that he can apply fertilizer to 2,345 square feet of grass in 56hour. How many square feet of grass can Richard fertilize per hour?
Answer:
41.87 per hour
Step-by-step explanation:
Answer:
41.875 sf per hour
Step-by-step explanation:
Start with a male and a female rabbit. After a month, they mature and produce a litter with another male and female rabbit. A month later, those rabbits reproduce and out comes — you guessed it — another male and female, who also can mate after a month. After a year, how many rabbits would you have?
Answer:
24 thereabouts
Step-by-step explanation:
Well every two months there are two new rabbits so I multiplied two and twelve. This got me twenty-four. I hope this helps! :) I don't know if this is right or not I attempted this in my head.
Answer:
The answer is D
Step-by-step explanation:
Took the test
what metric unit would be best to measure the capacity of a cereal bowl
The metric unit that would be best to measure the capacity of a cereal bowl is milliliters (ml).
Capacity is a measure of the amount of fluid that a container can hold. Cereal bowls are typically used to hold liquids such as milk or yogurt along with cereal. Milliliters are a commonly used metric unit of volume that would be appropriate for measuring the capacity of a cereal bowl. Other metric units of volume such as liters or cubic centimeters could also be used, but milliliters would provide a more precise measurement for a smaller container such as a cereal bowl. To measure the capacity of a cereal bowl in milliliters, one would simply pour a known amount of water into the bowl and measure the volume of the water using a measuring cup or a graduated cylinder.
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ages of Two Sisters is in the ratio of 1:2 after 5 years their ages will be in the ratio of 2:6 find their ages
Their ages have no solution based on the given ratios
How to determine their agesRepresent the ages with x and y
From the question, we have the following parameters that can be used in our computation:
x : y = 1 : 2
This means that
y = 2x
In 5 years time, we have
x + 5 : y + 5 = 2 : 6
This means that
6(x + 5) = 2(y + 5)
Recall that y = 2x
So, we have
6(x + 5) = 2(2x + 5)
Evaluate
6x + 30 = 4x + 10
Evaluate the like terms
2x = -20
Divide both sides by 2
x = -10
Age cannot be negative
This means that the given ratios do not form valid age
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PLEASEEEE WHAT IS ITTTT HURRYYY PLSSS
Answer:
It is ( - 0.25)
Step-by-step explanation:
I hope that is useful for you :)
Answer:
It would be -0.25.
Step-by-step explanation:
it is a negative if a number is less than zero.
we got the first step down.
next step,
the -0.25 part.
the fraction of one fourth in decimal is 0.25
but its negative so it will be: -0.25.
So...
I hope this helps. :)
help I have to turn this is tomorrow and I don’t know how to do it
Step-by-step explanation:
The area of the triangular base is: 19
square units
How to calculate the base area
The given parameters are:
Volume = 27.36 cubic units
Height = 2.88 unit
The volume of a triangular prism is:
V = 0.5 * B *h
Where B represents the base area.
So, we have:
27.36 = 0.5 * B * 2.88
27.36 B * 1.44 -
Solve for B
B = 19
Hence, the area of the triangular base is: 19 square units
If the circumference of a cylinder is 32pie and it’s lateral surface area is 750cm^2 find the height of the cylinder
The height of the cylinder is approximately 5.97 cm.
Define cylinderA cylinder is a three-dimensional geometric shape that consists of two parallel, congruent circular bases and a curved lateral surface that connects the bases. The bases are perpendicular to the lateral surface, which means that the lateral surface forms a curved rectangle.
Given;
The circumference of the cylinder is 32π.
The lateral surface area of the cylinder is 750 cm².
Lateral surface area of a cylinder = 2πrh
Circumference of a cylinder = 2πr
We can use the circumference formula to find the radius of the cylinder:
2πr = 32π
r = 16
Now we can use the lateral surface area formula to find the height of the cylinder:
750 = 2π(16)(h)
750 = 32πh
h = 750/(32π)
h ≈ 5.97
As a result, the cylinder's height is around 5.97 cm.
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Use the discriminant to determine the number and type of solutions of the following quadratic equation.
7x2+3x+4=0
a.There are two distinct rational solutions.
b.There are two distinct irrational solutions.
c.There are two complex solutions.
d.There is a single rational solution.
(c).There are two complex solutions for the given qudratic equation, 7x² + 3x + 4 = 0.
To identify the number and type of solutions to the quadratic equation, utilize the discriminant.
The discriminant is a component of the quadratic formula found beneath the square root (b² - 4ac). The value of the discriminant must be examined to identify the number and kind of solutions to a quadratic equation. The quadratic equation has no real solutions if b² - 4ac is negative; if b² - 4ac = 0, the quadratic equation has one real solution; and if b² - 4ac is positive, the quadratic equation has two unique actual solutions.
Let us use the discriminant to determine the number and type of solutions of 7x² + 3x + 4 = 0. Here is the solution:7x² + 3x + 4 = 0a = 7, b = 3, and c = 4b² - 4ac = 3² - 4(7)(4) = 9 - 112 = -103. Since the discriminant is negative, the quadratic equation has no real solutions.
So the answer is that there are two complex solutions; therefore, option (c) is the right answer.
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Jayden's mother bought him the new PlayStation 5 Digital Edition for $420.15, including tax. She made him promise to pay her back in monthly installments. He made a down payment of $35.00 and paid the balance in 12 equal monthly payments. What was Jayden's monthly payment for this PlayStation 5?
A 32.10
B 35.01
C. 37.93
D 385.15
Answer:
A.32.10
Step-by-step explanation:
You have to remember to subtract the $35 then start to figure out how much he paid every month for a year.
A tent is in the form of a right circular cylinder and cone. The radius of the cone and cylinder is 4 meters. The height of the cylinder and cone are 4.5 meters and 3 meters respectively. Find the outer surface area of the tent. (Assume π = 22 /7)
Answer:
176m²
Step-by-step explanation:
When we are asked to find the outer surface area of a geometric shape, it means to find the Lateral or Curved Surface Area of the shape. We are given two shapes above.
Step 1
Find the Outer surface area of the cone
Outer / Lateral surface area of a cone =
πrl
Where l = √r² + h²
r = 4 m
h = 3m
Outer surface area = 22/7 ×√4² + 3²
= 22/7 × √16 + 9
= 22/7 × √25
= 22/7 × 5
= 62.83185m²
Step 2
Find the outer surface area of a cylinder
= 2πrh
π = 22/7
r = 4m
h = 4.5
π = 22/7
Outer surface area of a cylinder = 2 × 22/7 × 4 × 4.5
= 113.09734m²
Step 3
The Outer Surface Area of the Tent = Outer Surface Area of the cone + Outer Surface Area of the cylinder
= 62.83185m² + 113.09734m²
= 175.92919m²
Approximately ≈ 176m²
Therefore, the outer surface area of the tent = 176m²
7. Use the Composite Trapezoidal rule with the indicated values of \( n \) to approximate the following integrals. (1 mark) (a) \( \int_{1}^{2} x \ln x d x, \quad n=4 \) (b) \( \int_{2}^{2} x^{3} e^{x
The Composite Trapezoidal rule is used to approximate the given integrals. In part (a), the integral \(\( \int_{1}^{2} x \ln x \, dx \)\) is approximated using \(\( n = 4 \)\)subintervals. In part (b), the integral\(\( \int_{2}^{2} x^{3} e^{x} \, dx \)\) is given with incorrect limits, so it cannot be evaluated.
To approximate \(\( \int_{1}^{2} x \ln x \, dx \)\) using the Composite Trapezoidal rule, we divide the interval \(\([1, 2]\) into \( n = 4 \)\) subintervals. The step size, \(\( h \)\), is calculated as\(\( h = \frac{b-a}{n} = \frac{2-1}{4} = \frac{1}{4} \)\). Then, we evaluate the function \(\( x \ln x \)\)at the endpoints of each subinterval and sum the areas of the trapezoids formed. The approximation formula for the Composite Trapezoidal rule is: \(\[\int_{a}^{b} f(x) \, dx \approx \frac{h}{2} \left[ f(a) + 2\sum_{i=1}^{n-1} f(x_i) + f(b) \right]\]\)
Using this formula, we can calculate the approximation for the given integral. The limits of the integral \(\( \int_{2}^{2} x^{3} e^{x} \, dx \)\) are given as \(\( 2 \)\) to 2 which indicates an interval of zero length. In this case, the integral cannot be evaluated since there is no interval over which to integrate.
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For a Normal distribution with mean 5 and standard deviation 2, which of the following Python lines outputs the probability Plx> 7)? Select one. a. import scipy.stats as st print(st.norm.pdf(7,5, 2)) b. import scipy.stats as st print(st.norm.sf(7, 5, 2)) O c. print(normal(7,5, 2)) d. import scipy.stats as st print(st.norm.cdf(7,5, 2))
The correct Python line that outputs the probability Plx > 7 for a Normal distribution with mean 5 and standard deviation 2 is option (b).Solution:For a Normal distribution with mean 5 and standard deviation 2, the probability that a random variable x will take a value greater than 7 is given by the survival function.sf is the abbreviation for the survival function, which returns the probability that a random variable will take on a value greater than or equal to the given value. The syntax for scipy.stats.norm.sf is as follows:`scipy.stats.norm.sf(x, loc=0, scale=1)`where loc is the mean of the distribution and scale is the standard deviation of the distribution.The line of Python code that returns the probability Plx> 7 for a Normal distribution with mean 5 and standard deviation 2 is:import scipy.stats as stprint(st.norm.sf(7, 5, 2))Thus, option (b) is the correct answer.
The correct Python line to output the probability P(X > 7) for a Normal distribution with mean 5 and standard deviation 2 is b) import scipy.stats as st print(st.norm.sf(7, 5, 2))
The function st.norm.sf(x, loc, scale) computes the survival function, which is the probability that a random variable from a Normal distribution with mean loc and standard deviation scale is greater than x.
In this case, we want to find P(X > 7) for a Normal distribution with mean 5 and standard deviation 2.Therefore, we use st.norm.sf(7, 5, 2) to output the desired probability.
The output should be approximately 0.1587, which represents the area to the right of x = 7 under the Normal curve with mean 5 and standard deviation 2.
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9.8 ft
4f
12 ft
Find the Area of this figure
The weights of the contents of cans of tomato sauce produced by a company are normally distributed with a mean of 8 ounces and a standard deviation of 0.3 ounces. a. What percentage of all cans produced contain more than 8.3 ounces of tomato paste? 1 02/02 - 2 b. Ninety percent of cans will contain at least how many ounces?
The percentage of all cans produced contain more than 8.3 ounces of tomato paste is 15.87% and Ninety percent of cans will contain at least 8.384 ounces.
The weights of the contents of cans of tomato sauce produced by a company are normally distributed with a mean of 8 ounces and a standard deviation of 0.3 ounces.
Part (a):Mean (μ) = 8 ounces
Standard deviation (σ) = 0.3 ounces
We need to find P(X > 8.3)Z = (X - μ) / σZ = (8.3 - 8) / 0.3= 1P(Z > 1) = 0.1587
Therefore, the percentage of all cans produced contain more than 8.3 ounces of tomato paste is 15.87%.
Now, the weights of the contents of cans of tomato sauce produced by a company are normally distributed with a mean of 8 ounces and a standard deviation of 0.3 ounces.
Part (b) We need to find the value of X such that P(X > x) = 0.1P(Z > z) = 0.1(When we transform a normal random variable X into a standard normal random variable Z using Z = (X - μ) / σ)
Then we find the value of Z from the standard normal table that satisfies P(Z > z) = 0.1)P(Z > 1.28) = 0.1
Now, we have to calculate the value of X using the formula for Z.When Z = 1.28X = μ + ZσX = 8 + (1.28 × 0.3)X = 8.384
Therefore, the percentage of all cans produced contain more than 8.3 ounces of tomato paste is 15.87% and Ninety percent of cans will contain at least 8.384 ounces.
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find the number of ways to select 3 pages in ascending index order
The number of ways to select 3 pages in ascending index order depends on the total number of pages available.
To find the number of ways to select 3 pages in ascending index order, we can use the concept of combinations . In combinatorics, selecting objects in a specific order is often referred to as permutations. However, since the order does not matter in this case, we need to consider combinations instead.
The number of ways to select 3 pages in ascending index order can be calculated using the combination formula. Since we are selecting from a set of pages, without replacement and order doesn't matter, we can use the formula C(n, k) = n! / (k! (n-k)!), where n is the total number of pages and k is the number of pages we want to select.
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solve the equation for x. square root of x+4-7=1 A. x=4 B.x=12 C. x=60 D.x=68
Answer:
x = 60 (Answer C)
Step-by-step explanation:
Ambiguous. I will assume that you meant:
x+4-7=1 => √(x + 4) - 7 = 1
This latter result simplifies to
√(x + 4) = 8
Squaring both sides, we get: x + 4 = 64, or x = 60 (Answer C)
The value of x is 4.
Option A is the correct answer.
What is an equation?An equation contains one or more terms with variables connected by an equal sign.
Example:
2x + 4y = 9 is an equation.
2x = 8 is an equation.
We have,
√(x + 4 - 7) = 1
Square on both sides.
x + 4 - 7 = 1²
x + 4 - 7 = 1
Add 7 on both sides.
x + 4 = 1 + 7
x = 8
Subtract 4 on both sides.
x + 4 - 4 = 8 - 4
x = 4
Thus,
The value of x is 4.
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given line segmebt that contains the points A,B & C in order, if AB=2x-2,and BC=2x+10, and AC=32, find x
We have a segment with 3 points. The complete segment goes from A to C, and point B divides it in 2 sibsegments (AB and BC)
Note that segment AC is composed by those 2 subsegments, so its complete legth will be equal to the sum of the leghts of subsegments AB and BC. Then, we can build the following equation:
\(AB+BC=AC\)As we know the lengths in terms of x, we just need to replace in the previous equation:
\(\begin{gathered} (2x-2)+(2x+10)=32 \\ 2x-2+2x+10=32 \end{gathered}\)Now, we can solve for x:
\(undefined\)10x^5+5x^2−15
5x^2(2x^3+x−3)
10(x^5+5x^2−15)
5(2x^5+5x^2−15)
5(2x^5+x^2−3)
Answer:ds
s
ds
dd
d
s
Step-by-step explanation:
Answer:
mm
Step-by-step explanation:
which cannot be probabilities:
square root of 2, 0, -53, .08, 5/3, 3/5, 1.31
The numbers that cannot be probabilities are: square root of 2, -53, 5/3, and 1.31.
Probability is a measure of the likelihood of a particular event occurring in a random experiment. It is a value between 0 and 1, with 0 indicating that an event is impossible, and 1 indicating that an event is certain to occur.
In statistics, probability is used to make predictions or draw inferences about a population based on a sample of data. For example, if we were to flip a coin, the probability of getting heads is 0.5, or 50%. In general probability can be defined as the ratio of the number of favorable outcomes to the total number of possible outcomes, which is the mathematical framework behind the random experiments.
From the set of numbers, 0, 0.08, and 3/5 are all possible values of probability.
Therefore, square root of 2, -53, 5/3, and 1.31 cannot be probabilities.
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All other things equal, the margin of error in one-sample z confidence intervals to estimate the population proportion gets larger as: On gets larger. O p approaches 0.50. O C-1-a gets smaller. p approaches
The margin of error is a measure of the degree of uncertainty associated with the point estimate of a population parameter. Confidence intervals are constructed to estimate the true value of a population parameter with a certain level of confidence.
The margin of error and the width of the confidence interval are related, in that a larger margin of error implies a wider confidence interval.
When constructing a one-sample z-confidence interval to estimate the population proportion, the margin of error increases as the sample size increases. This is because larger sample sizes provide more information about the population and, as a result, the estimate becomes more precise. Conversely, as the sample size decreases, the margin of error increases, making the estimate less precise.
The margin of error also increases as the population proportion approaches 0.50. This is because when p=0.50, the population is evenly split between the two possible outcomes. As a result, more variability is expected in the sample proportions, leading to a larger margin of error.
Finally, the margin of error decreases as the confidence level (1-a) increases. This is because a higher confidence level requires a wider interval to account for the additional uncertainty associated with a higher level of confidence. In conclusion, the margin of error in one-sample z confidence intervals is affected by sample size, population proportion, and confidence level.
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What is the product (7 times 10 to the power of -5) times (5 times 10 to the power of -8)
Answer:Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10
. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
3.5×10^−12
Step-by-step explanation:
in simple terms 3.5×10^−12 or 3.5 times 10 to the power of -12
hich of the these are steps for a proof by mathematical induction that P(n) is true for all positive integers n? a. Verify that P(1) is true. b. Demonstrate that the conditional statement Plk) implies Plk+1) is true for all positive integers k. c. Verify that P(1), P(2), P(3), ..., P(k) are all true, where k is a specific large, positive integer. d. Demonstrate that if P(k) is false, then Plk+1) is false for all positive integers k. e. Demonstrate that P(k+1) implies plk) is true for all integers k.
The steps for proof by mathematical induction that P(n) is true for all positive integers n, All options are true.
The steps for a proof by mathematical induction that P(n) is true for all positive integers n are as follows:
a. Verify that P(1) is true.
b. Demonstrate that the conditional statement Plk) implies Plk+1) is true for all positive integers k.
c. Verify that P(1), P(2), P(3), ..., P(k) is all true, where k is a specific large, positive integer.
d. Demonstrate that if P(k) is false, then Plk+1) is false for all positive integers k.
e. Demonstrate that P(k+1) implies Plk) is true for all integers k.
Therefore, option (a), option (b), option (c), option (d), and option (e) are the steps for proof by mathematical induction that P(n) is true for all positive integers n.
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is 6km is not as far as 6 miles true or false
Answer:
False.
6 miles is farther than 6 kilometers. One mile is equal to 1.60934 kilometers, so 6 miles is equal to 6 x 1.60934 = 9.65604 kilometers. Therefore, 6 miles is farther than 6 kilometers.
Step-by-step explanation:
The answer is:
trueWork/explanation:
We can't really compare two things if they have different units.
So we need to convert kilometers to miles first.
1 km is approximately equal to 0.621 miles.
So 6 km would be approximately 3.728 miles.
6 miles is further away than 3.728 miles.
Hence, the answer is true.6 km is not as far as 6 miles. And now we know why.
type your answer with the precision of 2 decimal places. let the probability of event e be 0.49, the the probability of event f be 0.33, and the probability of the intersection of e and f be 0.13. what is the probability of e or f but not both occur?
The probability of the occurrence of event E or F using the given probability is equal to P(E∪F) = 0.69.
As given in the question ,
Probability of event E 'P(E)' = 0.49
probability of event F 'P(F)' = 0.33
Probability of Intersection of E and F events ' P(E∩F)' = 0.13
Probability of E or F 'P(E∪F)'
= P(E) + P(F) - P(E∩F)
Substitute the value of P(E), P(F) and P(E∩F) in the formula to get the required probability we have,
= 0.49 + 0.33 - 0.13
= 0.69
Therefore, the probability of the occurrence of event E or F is given by P(E∪F) = 0.69.
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g suppose the acme drug company what is the probability that the percent difference of -.13 or less is seen if the true difference is 0
To conclude, the probability of the Acme Drug Company seeing a percent difference of -.13 or less if the true difference is 0 is quite low and is equal to 0.0934.
The probability that the Acme Drug Company would see a percent difference of -.13 or less if the true difference is 0 is quite low. This is because a difference of -.13 is a very small percentage in comparison to a true difference of 0.
Mathematically, the probability of this happening would be equal to the area under the standard normal distribution curve for values between -0.13 and 0. In other words, the probability that the Acme Drug Company would see a percent difference of -.13 or less if the true difference is 0 is equal to the area from the left tail of the standard normal distribution curve up to the mean (0) of the curve.
Using a standard normal distribution calculator, we can see that the probability of the Acme Drug Company seeing a percent difference of -.13 or less is 0.0934. This probability is extremely low and it is not likely that the Acme Drug Company would experience such a small percent difference.
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people enter a gambling casino at a rate of 1 every 2 minutes. (a) what is the probability that no one enters between 12:00 and 12:05? (b) what is the probability that at least 4 people enter the casino during that time?
The probability that no one enters between 12:00 and 12:05 is 0.082.
The probability that at least 4 people enter the casino during that time is 0.242
Given that people enter the casino at the rate of 1 every 2 minutes. A random variable X is defined as the number of people entering the casino between the time period of 12:00 and 12:05. Since we are given in the question that people enter the casino at the rate of 1 every minute, hence in the given time period they enter at the rate of 2.5.
P(X=0) = \(e^{-2.5}\) = 0.082
Hence the probability that no one enters between 12:00 and 12:05 is 0.082.
The required probability is simply
P(X≥4) = 1 - P(X=0) - P(X=1) - P(X=2) - P(X=3)
= 1 - \(e^{-2.5}\) - 2.5\(e^{-2.5}\) - (((2.5)² / 2)\(e^{-2.5}\) ) - (((2.5³)/3!)\(e^{-2.5}\))
= 0.242
Hence, the probability that at least 4 people enter the casino during that time is 0.242
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is it right? and if so what would the equation be (i’m rlly bad at this stuff)
Answer:
you're right
Step-by-step explanation:
when a slope is equal to 0 that makes it undefined
A figure has a perimeter of 48 inches. After it is translated 5 units down and 1 unit left, what is it's perimeter?
The perimeter of a figure has a perimeter of 48 inches. After it is translated 5 units down and 1 unit left is 34 cm.
What is the perimeter?We describe what the perimeter is, how teachers introduce the subject to students in KS2, and the kinds of perimeter word problems students could encounter.
At this point, they would need to understand that a rectangle has two long sides that are exactly the same length and two short sides that are exactly the same length, which is why only two measurements are given above.
They could then work out the perimeter in any of the following ways:
10 + 4 + 10 + 4 OR (10 x 2) + (4 x 2) OR (10 + 4) x 2
The perimeter of a shape is always calculated by adding up the length of each of the sides.
Since it must be the length of the bottom edge (9 cm) less the two top edges, you can determine that the unlabeled little side of the shape is 2 cm long in this instance (4cm and 3cm).
You would then need to sum up all the sides to get the perimeter:
4 + 5 + 9 + 6 + 3 + 3 + 2 + 2 = 34 cm.
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please help I need help on how to do it also my videos stopped working
20 shares purchased at $30, means that the initial inversion is 20 times 30 = $600
they are sold for $710, so the difference is 710 - 600 = 110
the commision is 6, so the final gain is 110 -6 =104
profit divided by the inversion:
104/600 = 0.1733
the answer is 17.33 %
8x - 3 /AX 4x + 3 When angles form a linear pair, their sum is 180°. 8x - 3+ 4x + 3 = 180 [?]x + [] = 180
Answer:
12x + 0 = 180x = 15Step-by-step explanation:
You are given the equation 8x -3 +4x +3 = 180 and asked to simplify it and solve for x.
SimplifiedCollecting terms, we have ...
(8 +4)x +(-3 +3) = 180
12x + 0 = 180
Dividing by the coefficient of x gives ...
x = 180/12 = 15
The value of x is 15.