Answer:
(A) 4 toothpicks I took the test and (A) 4 toothpicks was correct
hope it helps :)
Answer:
4
Step-by-step explanation:
• The notebook shows the money Leo earned and spent on his first day selling strawberries at
the Farmers Market. A positive number represents money earned. A negative number
represents money spent. Leo wants to find his profit for the first day,
What is Leo's profit for the first day?
dollars
Farmers Market Activity
10
We need to know the total earnings and total expenses for the day. Without this information, we cannot accurately determine Leo's profit. If you can provide additional details or the complete notebook entries, I would be happy to assist you in calculating the profit.
To determine Leo's profit for the first day, we need more information than what is provided in the question. The notebook shows the money earned and spent, but the given information stops at "10," without specifying whether it represents money earned or money spent. Additionally, we don't have any other earnings or expenses mentioned in the question.
To calculate the profit, we need to know the total earnings and total expenses for the day. Without this information, we cannot accurately determine Leo's profit. If you can provide additional details or the complete notebook entries, I would be happy to assist you in calculating the profit.
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Solve.
60 = 9p − 3 + 7p
p=3916
p=334
p=31516
p=3112
--------------------------------------------------------------------
and
Solve.
3v − 15 − v = 58
v=2112
v = 29
v=3612
v=1814
The solution to the equation is v = 36.5.
The solution to the equation is p = 3.94.
We have,
Equation:
60 = 9p − 3 + 7p
Simplifying the equation:
60 = 16p - 3
Adding 3 to both sides:
63 = 16p
Dividing both sides by 16:
p = 63/16
p = 3.94
Equation:
3v − 15 − v = 58
Simplifying the equation:
2v - 15 = 58
Adding 15 to both sides:
2v = 73
Dividing both sides by 2:
v = 36.5
Therefore,
The solution to the equation is v = 36.5
The solution to the equation is p = 3.94
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the fish population in a certain part of the ocean (in thousands of fish) as a function of the water's temperature (in degrees celsius) is modeled by:
P(x)=-2(x-9)^2+200
what temperature will result in the maximum number of fish?
Compare to vertex form of parabola y=a(x-h)²+k
Vertex:-
(h,k)=(9,200)As a is negative vertex is maximum
Max temperature=9°C
Answer:
9 °C
Step-by-step explanation:
Given function:
\(P(x)=-2(x-9)^2+200\)
The given function is a quadratic in vertex form.
Vertex form: \(y=a(x-h)^2+k\) (where (h, k) is the vertex)
Therefore, the vertex is (9, 200)
The vertex is the minimum point for a parabola that opens upward.
The vertex is the maximum point for a parabola that opens downward.
The given function has a negative leading coefficient, therefore is opens downwards, and the vertex is the maximum point.
Therefore, the temperature (x-value) that will give the maximum number of fish (y-value) is the x-value of the vertex: 9 °C
Suppose you cut a square shape in half, as shown. how can you find the area of one part of the figure
Answer:
If the shape is a trianlge then its
A=bh1/2 or A=bh/2
If the shape is a rectangle then its A=wl
Step-by-step explanation:
For each type of effect listedâmain effects, two-way interactions, and three-way interactionsâidentify the maximum number of possible effects that could be tested in a 2 Ã 2 Ã 2 factorial design. - 3 main effects- 1 three- way interaction- 3 two-way interactions
The maximum number of possible effects that could be tested in a 2x2x2 factorial design with 3 main effects, 3 two-way interactions, and 1 three-way interaction is 7.
In a 2 x 2 x 2 factorial design, we can test the following maximum number of possible effects:
Main effects:
There are 3 main effects in this design, one for each factor (A, B, and C). You would analyze the effect of each factor independently on the outcome variable.
Two-way interactions:
There are 3 possible two-way interactions that can be tested in this design: AxB, AxC, and BxC.
These interactions examine the combined effects of two factors on the outcome variable.
Three-way interactions:
There is 1 possible three-way interaction that can be tested in this design: AxBxC.
This interaction examines the combined effect of all three factors (A, B, and C) on the outcome variable.
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There are 650 students at a high school who are eligible
to vote. 195 of the students voted in the last election.
What percent of the eligible students voted?
Mark only one oval.
30%
35%
25%
40%
30% of the eligible students voted.
It is given to us that 650 students at the high school are eligible to vote and 195 of them voted in the last election.
Now let us take the percent of students to be 'x'
x% of 650 students voted whose value is given to be 195.
So the equation can be written as
( x / 100 ) * 650 = 195
x = ( 195 * 100 ) / 650
x = 30
Therefore 30% of the eligible students voted in the last election.
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In a study to determine frequency and
dependency of cell-phone usage relative to
students in Grade 11 and Grade 12, there
were 285 students
chosen at random, and
the following results were recorded. What is the probability that a student who does not have a cell phone is from grade 11?
Using it's concept, it is found that there is a 0.6 = 60% probability that a student who does not have a cell phone is from grade 11.
What is a probability?A probability is given by the number of desired outcomes divided by the number of total outcomes.
Researching the problem on the internet, it is found that there are 30 students with no cell phones, and of those, 18 are in grade 11, hence the probability is given by:
p = 18/30 = 0.6.
0.6 = 60% probability that a student who does not have a cell phone is from grade 11.
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in the special case of two degrees of freedom, the chi-squared distribution coincides with the exponential distribution
In the special case of two degrees of freedom, the chi-squared distribution does not coincide with the exponential distribution. The chi-squared distribution is a continuous probability distribution that arises in statistics and is used in hypothesis testing and confidence interval construction. It is defined by its degrees of freedom parameter, which determines its shape.
On the other hand, the exponential distribution is also a continuous probability distribution commonly used to model the time between events in a Poisson process. It is characterized by a single parameter, the rate parameter, which determines the distribution's shape.
While both distributions are continuous and frequently used in statistical analysis, they have distinct properties and do not coincide, even in the case of two degrees of freedom. The chi-squared distribution is skewed to the right and can take on non-negative values, while the exponential distribution is skewed to the right and only takes on positive values.
The chi-squared distribution is typically used in contexts such as goodness-of-fit tests, while the exponential distribution is used to model waiting times or durations until an event occurs. It is important to understand the specific characteristics and applications of each distribution to appropriately utilize them in statistical analyses.
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limℎ→0(9+ℎ)−1−9−ℎFind solutions lim h→0 (9 + h)−1 − 9−1 h
The solution to lim h→0 (9 + h)−1 − 9−1 h is -1/9.
To find the solution to lim h→0 (9 + h)−1 − 9−1 h, we can simplify the expression first.
Starting with (9 + h)−1, we can use the formula for the difference of squares to get:
\((9 + h)-1 = (9 + h - 9) / ((9 + h)(9 - 9)) = h / (9h + h^2)\)
Substituting this back into the original expression gives:
\((9 + h)-1 -9-1 h = h / (9h + h^2) - 1 / 9h\)
We can combine the two fractions by finding a common denominator of 9h(9 + h), giving:
(9h - (9 + h)) / (9h(9 + h)) = -1 / (9 + h)
Now we can take the limit as h approaches 0:
lim h→0 (9 + h)−1 − 9−1 h = lim h→0 -1 / (9 + h) = -1 / 9
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Please help I will give brainliest
Answer:
What do u have to do. I don’t see a point on the graph
Step-by-step explanation:
Answer:
might have to draw a line through it but here are the points
Step-by-step explanation:
The Lewiston Company issues 23-year bonds, but it pays nocoupon. Calculate the price per $1,000 face value of thiszero-coupon bond using an interest rate of 6.7%. Answer to thenearest cent.
The price per $1,000 face value of the zero-coupon bond issued by the Lewiston Company is approximately $288.12.
To calculate the price of the zero-coupon bond, we can use the present value formula:
Price = Face Value / (1 + Interest Rate)^(Number of Years)
In this case, the face value is $1,000, the interest rate is 6.7%, and the number of years is 23.
Price = 1000 / (1 + 0.067)^23 = 1000 / 2.871 = $348.35
However, this value represents the future value of the bond. To determine the present value, we need to discount it to today's value. To do that, we can divide the future value by (1 + Interest Rate).
Present Value = Price / (1 + Interest Rate) = 348.35 / (1 + 0.067) = $288.12 (rounded to the nearest cent)
The price per $1,000 face value of the zero-coupon bond issued by the Lewiston Company, using an interest rate of 6.7%, is approximately $288.12. Zero-coupon bonds are sold at a discount to their face value because they do not pay any periodic interest payments. The price reflects the present value of the bond, taking into account the time value of money and the specified interest rate.
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. a paper cup has the shape of a cone with height 10 cm and radius 3 cm (at the top). if water is poured into the cup at a rate of 2 cm3 ys, how fast is the water level rising when the water is 5 cm deep?
The water level is rising at a rate of 0.0764 cm per second.
Using implicit differentiation, it is found that the water level is rising at a rate of 0.0764 cm per second.
The volume of a cone of radius r and height h is given by:
V = πr²h/3
Applying implicit differentiation, the rate of change is given by:
dV/dt = 2πr/3 dr/dt + πr²/3 dh/dt
In this problem:
The radius is constant, thus dr/dt = 0
Height of 5 cm and radius of 3 cm, thus h = 5, r=3.
Water poured at a rate of 2 cm³/s, thus dV/dt = 2
Then
dV/dt = 2πr/3 dr/dt + πr²/3 dh/dt
2 = 25π/3 dh/dt
dh/dt = 6/25π
dh/dt = 0.0764
The water level is rising at a rate of 0.0764 cm per second.
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A sequence is defined by the explicit formula an=3n+4. Which recursive formula represents the same sequence of numbers?
The recursive formula that represents the same sequence of numbers as the explicit formula an = 3n + 4 is an = an-1 + 3, with the initial term a1 = 7.
A recursive formula defines a sequence by expressing each term in terms of previous terms. In this case, the explicit formula an = 3n + 4 gives us a direct expression for each term in the sequence.
To find the corresponding recursive formula, we need to express each term in terms of the previous term(s). In this sequence, each term is obtained by adding 3 to the previous term. Therefore, the recursive formula is an = an-1 + 3.
To complete the recursive formula, we also need to specify the initial term, a1. We can find the value of a1 by substituting n = 1 into the explicit formula:
a1 = 3(1) + 4 = 7
Hence, the complete recursive formula for the sequence is an = an-1 + 3, with the initial term a1 = 7. This recursive formula will generate the same sequence of numbers as the given explicit formula.
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1/3 +5 3/4
please help
G(x)= -\dfrac{x^2}{4} + 7g(x)=− 4 x 2 +7g, left parenthesis, x, right parenthesis, equals, minus, start fraction, x, squared, divided by, 4, end fraction, plus, 7 What is the average rate of change of ggg over the interval [-2,4][−2,4]open bracket, minus, 2, comma, 4, close bracket?
Answer:
-1/2Step-by-step explanation:
Given the function \(G(x)= -\dfrac{x^2}{4} + 7\), the average rate of change of g(x) over the interval [-2,4], is expressed as shown below;
Rate of change of the function is expressed as g(b)-g(a)/b-a
where a - -2 and b = 4
\(G(4)= -\dfrac{4^2}{4} + 7\\G(4)= -\dfrac{16}{4} + 7\\G(4)= -4 + 7\\G(4) = 3\\\)
\(G(-2) = -\dfrac{(-2)^2}{4} + 7\\G(-2)= -\dfrac{4}{4} + 7\\G(-2)= -1 + 7\\G(-2)= 6\)
average rate of change of g(x) over the interval [-2,4] will be;
\(g'(x) = \frac{g(4)-g(-2)}{4-(-2)}\\ g'(x) = \frac{3-6}{6}\\\\g'(x) = -3/6\\g'(x) = -1/2\)
the probability of the union of two events occurring can never be more than the probability of the intersection of two events occurring. true/false
The given statement "the probability of the union of two events occurring can never be more than the probability of the intersection of two events occurring." is False.
The union of two events A and B represents the event that at least one of the events A or B occurs. The probability of the union of two events can be calculated using the formula:
P(A or B) = P(A) + P(B) - P(A and B)
On the other hand, the intersection of two events A and B represents the event that both events A and B occur. The probability of the intersection of two events can be calculated using the formula:
P(A and B) = P(A) * P(B|A)
where P(B|A) is the conditional probability of B given that A has occurred.
It is possible for the probability of the union of two events to be greater than the probability of the intersection of two events if the two events are not mutually exclusive.
In this case, the probability of both events occurring together (the intersection) may be relatively small, while the probability of at least one of the events occurring (the union) may be relatively high.
In summary, the probability of the union of two events occurring can sometimes be greater than the probability of the intersection of two events occurring, depending on the relationship between the events.
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what fraction of 3 hours is 30 minutes?
Answer:
7/2
Step-by-step explanation:
exact value of the expressiontan 25° + tan 110° 1 − tan 25° tan 110°
The exact value of the expression is -1.
The expression involves tan 25° and tan 110°. The expression you provided is:
tan 25° + tan 110° / (1 - tan 25° tan 110°)
First, we need to recognize that tan (180° - x) = -tan x. Since 110° = 180° - 70°, we have:
tan 110° = -tan 70°
Now, we can rewrite the expression as:
tan 25° - tan 70° / (1 + tan 25° tan 70°)
Next, we can apply the tangent addition formula, which is:
tan (a - b) = (tan a - tan b) / (1 + tan a tan b)
Comparing this formula with our expression, we see that a = 25° and b = 70°. So, the expression simplifies to:
tan (25° - 70°) = tan (-45°)
Since tan (-x) = -tan x, we have:
tan (-45°) = -tan 45°
Lastly, we know that tan 45° = 1, so:
-tan 45° = -1
Therefore, the exact value of the expression is -1.
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Write and Solve an equation to determine the missing dimension of the prism with a volume of 160cm. Height is missing the numbers given are 10cm and 2cm
What’s the answer??????
Answer:
2x+15
Step-by-step explanation:
hope this helps you
Mount McKinley
Rocky Mountains
Niagara Falls
Paricutin
?
?
?
?
A major source of
hydroelectric power
A volcano that grew out of
a cornfield in 1943
A natural barrier to settling
in the West
The highest mountain
peak in North America
SUBMIT
Answer:
A major source of hydroelectric power: Niagara Falls.
A volcano that grew out of a cornfield in 1943: Paricutin.
A natural barrier to settling in the West: Rocky Mountains.
The highest mountain peak in North America: Mount McKinley.
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A cube with a face of area A has surface area 6A. Zachary built a wooden cube to use as a trophy stand. The area of one face of the cube is 16 square inches.
What is the surface area of the trophy stand?
The surface area of the wooden cube used as a trophy stand is 96 square inches.
The surface area of a cube is given by the formula 6A, where A is the area of one face of the cube. In this problem, we are given that the area of one face of the wooden cube is 16 square inches.
Therefore, A = 16.
To find the surface area of the wooden cube, we can use the formula 6A. Substituting A = 16, we get:
Surface area = 6A = 6(16) = 96 square inches
Therefore, the surface area of the wooden cube used as a trophy stand is 96 square inches.
It is important to note that the surface area of a cube is the sum of the areas of all its faces. Since a cube has six faces, each with an area of A, the total surface area is 6A. This formula can be used to find the surface area of any cube, provided that the area of one face is known.
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(1 point) (Chapter 7 Section 2: Practice Problem 5, Randomized) (Data Entry: Hyperbolic trigonometric functions can be be entered as they appear; for example, the hyperbolic sine of ² + 1 would be entered here as "sinh(x^2+1)".) Find x² cosh(2x) dx The ideal selection of parts is f(x) = and g'(x) dx = With these choices, we can reconstruct a new integral expression. Clean it up a bit by factoring any constants you can out of the integral: [x² cosh(2x) da dx This new integral itself requires selection of parts: with f(x) = and g'(x) dx = A clean and simplified result for the original integral may have several terms. Give the term that has the hyperbolic cosine function (make it signed as negative if needed, and do not include the arbitrary constant): A(x) cosh(Bx) =
Using integration by parts we obtained:
A(x) cosh(Bx) = x² sinh(2x)/2 - x sinh(2x) + cosh(2x)/2
To integrate the function x² cosh(2x) dx, we can use integration by parts.
Let's choose f(x) = x² and g'(x) = cosh(2x). Then, we can reconstruct the integral using the integration by parts formula:
∫[x² cosh(2x) dx] = x² ∫[cosh(2x) dx] - ∫[2x ∫[cosh(2x) dx] dx]
Simplifying, we have:
∫[x² cosh(2x) dx] = x² sinh(2x)/2 - ∫[2x * sinh(2x)/2 dx]
Now, we need to integrate the remaining term using integration by parts again. Let's choose f(x) = 2x and g'(x) = sinh(2x):
∫[2x * sinh(2x)/2 dx] = x sinh(2x) - ∫[sinh(2x) dx]
The integral of sinh(2x) can be obtained by integrating the hyperbolic sine function, which is straightforward:
∫[sinh(2x) dx] = cosh(2x)/2
Substituting this back into the previous equation, we have:
∫[2x * sinh(2x)/2 dx] = x sinh(2x) - cosh(2x)/2
Bringing everything together, the original integral becomes:
∫[x² cosh(2x) dx] = x² sinh(2x)/2 - (x sinh(2x) - cosh(2x)/2)
Simplifying further, we can write the clean and simplified result for the original integral as:
A(x) cosh(Bx) = x² sinh(2x)/2 - x sinh(2x) + cosh(2x)/2
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Which decimal represents the shaded portion?
Answer: 1.4
Step-by-step explanation:
1 of 4 are shaded.
( not sure but i think)
Evelyn bought 60 tickets for rides at an amusement park. Each ride costs 3 tickets, and Evelyn has been on x rides so far. Select all the expressions that show the number of tickets that Evelyn has left.
Answer:
I believe your answer will be E, A, and C
Step-by-step explanation:
If she has 60 tickets and each ride is 3 tickets but she has been on x rides you would do 3x and subtract that from 60.
Answer:
a,c,e
Step-by-step explanation:
60 is the total number of tickets, so b and d are wrong because you are no adding to the total number of tickets.
Please help I’ll give you guys brainiest!
Thank youuuuuuu :))
Answer:
look at graph
20 x 19!
Answers:
10,100
6!
52
20!
10!
14
Answer:
20!
Step-by-step explanation:
20! Is the same as 20 times 19!
20! is 20 times 19, 18, 17 and so on until 1.
Hope this helps :)
A sum of squares that measures the variability among the sample means is referred to as the?
A sum of squares that measures the variability among the sample means is called the total sum of squares.
According to the statement
we have to explain about in the sample means, The sum of squares that measures among the variability.
So, For this purpose, we know that the
The variation is comprised the sum of the squares of the differences of each mean with the grand mean.
And
A one-way ANOVA is used for three or more groups of data, to gain information about the relationship between the dependent and independent variables.
In other words, Variability, is the extent to which data points in a statistical distribution or data set from the average value.
So, for all this, A sum of squares that measures the variability among the sample means is called the total sum of squares.
Hence, A sum of squares that measures the variability among the sample means is called the total sum of squares.
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Which is the best estimate for the percent equivalent to StartFraction 3 Over 8 EndFraction?
26%
27%
37%
38%
Answer:
38%
Step-by-step explanation:
bc i got it right on test :)
Answer: 38 %
Step-by-step explanation:
a) The bus fare of 8 passengers is Rs 640. If the fare is decreased by Rs 5 per passenger, how many passengers can travel for Rs 900?
Answer:
THE ANSWER IS 12 because :
640÷8=80
80-5=75
900÷75=12.
Total 12 passenger can travel for, Rs900.
What is ratio?Ratio basically compares quantities, that means it shows the value of one quantity with respect to the other quantity.
If a and b are two values, their ratio will be a:b,
Given that,
Fare of 8 passengers = Rs640
Therefore, fare of 1 passenger = 640/8 = Rs80
Since, the fare is decreased by Rs5 per passenger,
Therefore, new fare = 80 - 5 = Rs75
The number of passengers that can travel for, Rs900
= 900/75
= 12
Total 12 passenger can travel for, Rs900.
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