The number of two-points and three points shot the cruisers scored are 24 and 19 respectively.
How to find the number of two and three points made?The Cruisers scored a total of 105 points in a basketball game against the Strikers. The Cruisers had a total of 43 baskets, some of which were two-point shots and some of which were three-point shots.
Therefore, the number of two-points and three-points the cruiser scored is as follows:
let
x = number of two-points
y = number of three-points
Hence, using equation
x + y = 43
2x + 3y = 105
Multiply equation(i) by 2
2x + 2y = 86
2x + 3y = 105
subtract equation(i) from equation(ii)
y = 19
Let's find x as follows:
x = 43 - 19
x = 24
Therefore,
number of two points = 24
number of three points = 19
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Consider two circular swimming pools. Pool A has a radius of 16 feet, and Pool B has a diameter of 9.94 meters. Complete the description for which pool has a greater circumference. Round to the nearest hundredth for each circumference. 1 foot ≈ 0.305 meters
The diameter of Pool A is ( blank )meters. So, the diameter of Pool( blank ) is greater, and the circumference is ( blank )by ( blank )meters.
Answer:
bbbb
Step-by-step explanation:
Which expression is equivalent to 8r+16
Answer:
8(r+2)
hope this helps
have a good day :)
Step-by-step explanation:
what is \(\frac{1}{25}\) as a decimal
Answer:
0.04
Step-by-step explanation:
You have to divide 1 and 25 and your answer will be 0.04 :)
6. Determine whether the series converges or diverges. If it converges, classify the series as absolutely convergent or conditionally convergent. Σ (-1)"e-n 72=0
To determine whether the given series converges or diverges, we use the Alternating Series Test.
This is because the series consists of alternating positive and negative terms whose magnitudes are decreasing. That is:
Σ (-1)"e-n 72=0= 1 - 1/ e^72 + 1/e^144 - 1/e^216 + ...
The sequence {1/e^n} is decreasing and converges to 0 as n → ∞.
Therefore, the series is alternating, decreasing, and converges to 0. Thus, the Alternating Series Test states that the given series converges. Now, we have to determine whether it is absolutely convergent or conditionally convergent. The series is not absolutely convergent because the series of absolute values of terms, Σ |(-1)"e-n| from n = 0 to ∞, is the harmonic series, which diverges. Hence, the series Σ (-1)"e-n 72=0 is conditionally convergent.
To decide whether the given series is convergent or divergent, we use the Alternating Series Test.
This is because the series consists of alternating positive and negative terms whose magnitudes are decreasing.
That is:Σ (-1)"e-n 72=0= 1 - 1/ e^72 + 1/e^144 - 1/e^216 + ...
The sequence {1/e^n} is decreasing and converges to 0 as n → ∞.
Therefore, the series is alternating, decreasing, and converges to 0. Thus, the Alternating Series Test states that the given series converges.Now, we have to determine whether it is absolutely convergent or conditionally convergent. The series is not absolutely convergent because the series of absolute values of terms, Σ |(-1)"e-n| from n = 0 to ∞, is the harmonic series, which diverges.
Hence, the series Σ (-1)"e-n 72=0 is conditionally convergent.
The given series Σ (-1)"e-n 72=0 is convergent, and it is conditionally convergent.
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5. Is this function one-to-one? How do you know?
Answer:
If the graph of a function f is known, it is easy to determine if the function is 1 -to- 1 . ... If no horizontal line intersects the graph of the function f in more than one point, then the function is 1 -to- 1 . A function f has an inverse f−1 (read f inverse) if and only if the function is 1 -to- 1 .
Step-by-step explanation:
Plz Give brainliest
Determine over what interval(s) (if any) the mean value theorem applies.
y = ln(3x − 8)
Answer:
(8/3, ∝)
Step-by-step explanation:
Definition
The Mean Value Theorem states that for a continuous and differentiable function \(f(x)\) on the closed interval [a,b], there exists a number c from the open interval (a,b) such that \(\bold{f'(c)=\frac{f(b)-f(a)}{b-a}}\)
Note:
A closed interval interval includes the end points. Thus if a number x is in the closed interval [a, b] then it is equivalent to stating a ≤ x ≤ b.
An open interval does not include the end points so if x is in the open interval (a, b) then a < x < b
This distinction is important
The function is \(y = f(x)=\ln\left(3x-8\right)\)
Let's calculate the first derivative of this function using substitution and the chain rule
Let
\(u(x) = 3x-8\\\\\frac{du}{dx} = \frac{d}{dx}(3x-8) = \frac{d}{dx}(3x) - \frac{d}{dx}8 = 3 - 0 =3\\\\\)
Substituting in the original function f(x), we get
\(y = ln(u)\\\\dy/du = \frac{1}{u}\)
Using the chain rule
\(\frac{dy}{dx}=\frac{dy}{du}.\frac{du}{dx}\)
We get
\(\frac{dy}{dx}=\frac{1}{u}3=\frac{1}{3x-8}3=\frac{3}{3x-8}\)
This has a real value for all values of x except for x = 8/3 because at x = 8/3, 3x - 8 = 0 and division by zero is undefined
Now \(ln(x)\) is defined only for values of x > 0. That means 3x-8 > 0 ==> 3x > 8 or x > 8/3
There is no upper limit on the value of x for ln(x) since ln(x) as x approaches ∝ ln(x) approaches ∝ and as x approaches ∝ 3/(3x-8) approaches 0
So the interval over which the mean theorem applies is the open interval (8/3, ∝)
At x = 8/3 the first derivative does not exist
Graphing these functions can give you a better visual representation
Convert the angle 1 radian to degrees, rounding to the nearest 10th.
Answer:
57
Step-by-step explanation:
57 rad×180/pie
ans:57.296 round to 10th
equals 57
The value of the angle 1 radian to a degree is 57.25.
What is a radian?The standard unit of angular measurement used in many branches of mathematics is the radian, indicated by the symbol rad. It is the unit of angle in the International System of Units. Previously, the unit was a SI supplementary unit.
The one radian is equal to the 180 divided by π. So the value of one radian in degree will be calculated as,
1 Radian = 180 / π
1 Radian = 57.25°
Therefore, the value of the one radian in degree is equal to 57.25.
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Find measure of angle 14. (Just enter the number, no symbols)
A
The measure of angle 14 is 83° in the parallel line t and s and transversal n.
What is parallel line?Parallel lines are a pair of lines in a two-dimensional plane that never intersect or cross each other, regardless of how far they are extended in either direction. Parallel lines have the same slope, which determines their steepness or inclination, and they maintain the same slope throughout their length.
What is transversal?A transversal is a line that intersects two or more other lines in a plane at distinct points. Specifically, if two or more lines in a plane are intersected by a third line, that third line is called a transversal. The lines being intersected are referred to as the "transversed lines".
According to the given information:
Given the parallel lines are t and s, the transversal are line m and n
the given angles are ∠2 = 97° and ∠6 = 83°
In the parallel lines t and s , line n is transversal
By the property that "corresponding angles are equal"
we can say that ∠5 =∠13, ∠7 =∠15, ∠6= ∠14, ∠8=∠16
given ∠6 = 83°, We know that ∠6= ∠14
∠14 = 83° (Corresponding angles are equal)
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all decimals are:-
a) Rational number
b) irrational numbers
c) real numbers
d) integers
Answer:
I will win the war again like the last one .....
Geometry, please help!
Step-by-step explanation:
if you would just maintain your natural curiosity and imaginative qualities, geometry would be the easiest of all math disciplines, because you can always "see" the things you are working with and on, almost "touch" them.
a few things you should burn into your brain though, and keep them there for the rest of your life :
Pythagoras in right-angled triangles : come on !
c² = a² + b²
c is the Hypotenuse (the baseline opposite of the 90° angle). a and b are the legs of the triangle enclosing the 90° angle.
AND : the sum of all angles in a triangle is always (ALWAYS !) 180°.
so,
in the first case
x² = 6² + 6² = 36 + 36 = 72
x = sqrt(72) = sqrt(9×4×2) = 3×2×sqrt(2) = 6×sqrt(2)
FYI this is 8.485281374...
in the second case we have to use also trigonometry, a little bit (not just geometry).
first the angle at the bottom right corner is
180 - 90 - 60 = 30° (again, because the sum of all angles is 180°).
so, 8×sqrt(3) = sin(30) × x
because the basic sine and cosine values are only for the standard circle with radius = 1. for any larger (or smaller) circle these values have to be scaled up by the actual radius, which is in our case here x.
sin(30) = 0.5
so, we get
8×sqrt(3) = x/2
16×sqrt(3) = x
FYI - that is 27.71281292...
Somone please help I am completely lost...
room is ´x´m long, ´y´m broad and ´z´m high. What is the area of 4-walls and ceiling of the room?
Answer:
2xz + 2yz + xy See Below
Step-by-step explanation:
In this room, you would have one pair of walls that have the same area and a second pair of walls that would have the same area.
The first pair would be the long wall (x) times the height (z).
The second pair would be the broad wall (y) times the height (z)
So you really have just two equations:
x times z = area of one wall
x times z = area of the opposite wall
y times z = area of the other wall
y times z = area of the opposite wall
Total wall area = (x times z) + (x times z) + (y times z) + (y times z) OR
Total wall area = 2(x times z) + 2(y times z) OR
Total wall area = 2xz + 2yz
The ceiling would be the long wall (x) times the broad wall (y)
Ceiling area = x times y OR xy
Total area of all 4 walls and ceiling:
2xz + 2yz + xy
ca group of volunteers were making masks to donate to hospital. They had 25 yards of fabric each mask required 1/8 yard of fabric. how many masks could the group of volunteers make out of 25 yards of fabric
The group of volunteers can make a total of 200 masks out of 25 yards of fabric.
To calculate the number of masks that can be made, we divide the total amount of fabric (25 yards) by the amount of fabric required per mask (1/8 yard). To do this, we first convert the fraction 1/8 to decimal form, which is 0.125. Then, we divide the total fabric (25 yards) by the fabric required per mask (0.125 yards). This can be done by dividing 25 by 0.125, which equals 200. Therefore, the group of volunteers can make a total of 200 masks out of 25 yards of fabric. Each mask requires 1/8 yard of fabric, so dividing the total fabric by the fabric required per mask gives us the total number of masks that can be made.
Calculation steps:
1. Convert the fraction 1/8 to decimal form: 1/8 = 0.125.
2. Divide the total fabric (25 yards) by the fabric required per mask (0.125 yards):
25 / 0.125 = 200.
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Number 8 pls help 50 points! Simple question
The conversion of 5 c to pints, represented as pt will give 2.5 pt.
How to convert cups to pints
The conversion rate of 1 pint to cup is at the rate of 1 pint to 2 cups. So when we have 5 cups for conversion to pints, we will have to multiply 5 cups by 1 pint and then divide the result by 2.
When this is done, the resulting figure will be 2.5 pt. In the same vein, the conversion of 2.5 pt to cup will give 5 cups. So, for the number 8 question above, we can arrive at 2.5 pt as the answer for the conversion of 5 cups to pints.
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Plz help...i am offering 10 pts...
please solve this question within 20 Min
2. (简答题, 30.0分) Let X denote a random variable that takes on any of the values -1, 0, and 1 with respective probabilities P{X = -1}=0.2, P{X = 0} = 0.5, P{X = 1}=0.3. Find the expectation of X
The calculated expectation of X is 0.1
How to calculate the expectation of XFrom the question, we have the following parameters that can be used in our computation:
P{X = -1}=0.2, P{X = 0} = 0.5, P{X = 1}=0.3
The expectation of X is calculated as
E(x) = ∑xp(x)
So, we have
E(x) = -1 * 0.2 + 0 * 0.5 + 1 * 0.3
Evaluate
E(x) = 0.1
Hence, the expectation of X is 0.1
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.find s. The sign in the middle is greater than or equal to. Pleaseeeee help. I’m
Begging
2(4s - 3) <5+8s
_
On solving the inequality we get -6>5 which is not possible; hence there is NO SOLUTION possible for s.
We solve the given inequality for s as follows
2(4s-3) ≥ 5+8s
⇒8s - 6≥ 5 +8s
⇒ -6 > 5 (on subtracting 8s from both sides)
the last statement shows that variables cancel out from both sides of the inequality and we get -6>5 which is not possible. Because -6>5 is not possible or false, hence no value of s will be able to satisfy the given inequality. Thus the answer for s is NO SOLUTION.
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3y² - 19y/y² - 25 + y² - y/y² - 25
Answer:
The simplified expression is: 2(2y^3-25y-10)/y
Step-by-step explanation:
Answer:
y2-y
Simplify ———————
y2 - 25
2.1 Pull out like factors :
y2 - y = y • (y - 1)
2.2 Factoring: y2 - 25
Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)
Proof : (A+B) • (A-B) =
A2 - AB + BA - B2 =
A2 - AB + AB - B2 =
A2 - B2
Check : 25 is the square of 5
Check : y2 is the square of y1
Factorization is : (y + 5) • (y - 5)
Final result
4y
—————
y + 5
Step-by-step explanation:
hope it helps
(First-price procurement auction) We are used to auctions in which there is a single seller facing many potential buyers (i.e., the bidders). However, in many situations we have a single buyer who wants to buy a good (or service) from one of many sellers. In these situations, the buyer may want to run an auction. These are called procurement (or reverse) auctions and are very common both in the public and private world. In a procurement auction, sellers bid for the price at which they are willing to sell their item (or service). In this context, it is natural to talk about a bidder's cost (to provide a service or good) instead of a bidder's valuation. Let's consider a concrete example. Suppose your parents want to remodel their kitchen. They call two contractors (A and B) and ask them for quotes. Your parents tell them that they are going to run a sealed-bid first-price auction. That is, the contractors should email them their quotes, the contractor with the lowest quote wins, and gets paid her quote. Suppose that the contractors are symmetric and have private costs, and that their costs are independently drawn from a Uniform [0,1] distribution. In this simple 2-bidder procurement auction, the bidding strategy β ∗
(c)= 2
1
(1+c) is a (symmetric) Bayesian Nash Equilibrium. That is, in equilibrium, it is optimal for a contractor who anticipates a cost of completing the project of c to submit a quote equal to 2
1
(1+c) (a) If bidders follow the equilibrium bidding strategy, do they bid above or below their cost? How do you interpret the difference between a contractor's quote and their cost? (b) Write down the expression for the probability of contractor A winning when she submits a quote equal to b and contractor B submits a quote according to the equilibrium bidding function β ∗
(⋅). (c) Write down the expression for contractor A's expected payoff when she has a cost of completing the project equal to c and submits a quote equal to b, and her rival bids according to the equilibrium strategy β ∗
(⋅). (d) Show that the bidding strategy β ∗
(c)= 2
1
(1+c) is in fact a (symmetric) Bayesian Nash Equilibrium.
(a) In the equilibrium bidding strategy, bidders bid below their cost. The difference between a contractor's quote and their cost represents their strategic behavior in the auction.
By bidding below their cost, contractors try to increase their chances of winning the auction and securing the project.
This strategy allows them to potentially earn a higher profit if they win the auction and their cost turns out to be lower than their bid.
(b) The probability of contractor A winning when she submits a quote equal to b and contractor B submits a quote according to the equilibrium bidding function β(⋅) can be calculated as follows:
P(A wins) = P(A's bid ≤ B's bid)
Since the contractors' costs are independently drawn from a Uniform [0,1] distribution, the probability can be expressed as:
P(A wins) = P(A's cost + A's bid ≤ B's cost + B's bid)
Given that A's bid is b and B's bid is β∗(B's cost), the probability becomes:
P(A wins) = P(A's cost + b ≤ B's cost + β∗(B's cost))
(c) Contractor A's expected payoff when she has a cost of completing the project equal to c and submits a quote equal to b, while her rival bids according to the equilibrium strategy βx(⋅), can be calculated as follows:
Payoff(A) = P(A wins) × (b - c)
Using the probability expression from part (b), the expected payoff can be written as:
Payoff(A) = P(A's cost + b ≤ B's cost + βx(B's cost) × (b - c)
(d) To show that the bidding strategy βx(c) = 2/(1+c) is a (symmetric) Bayesian Nash Equilibrium, we need to verify two conditions:
(i) the strategy is optimal for a contractor given the strategies of other bidders, and
(ii) no bidder has an incentive to deviate from the equilibrium strategy.
(i) Optimality: Given the bidding strategy βx(c) = 2/(1+c), a bidder's expected payoff is maximized when they follow this strategy. This can be shown by calculating the expected payoff for a bidder who anticipates a cost of completing the project as c and submits a quote equal to βx(c). The expected payoff is maximized when the bidder follows the equilibrium strategy.
(ii) No incentive to deviate: Suppose a bidder deviates from the equilibrium strategy and chooses a different bidding strategy. In this case, the bidder's expected payoff would be lower than or equal to the expected payoff obtained by following the equilibrium strategy. Therefore, no bidder has an incentive to deviate from the equilibrium strategy, indicating that βx(c) = 2/(1+c) is a Bayesian Nash Equilibrium.
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a certain number of 1-cm square tiles form a rectangular region with a perimeter of 30 cm. the same number of tiles can also be used to form a square region. what is the number of centimeters in the perimeter of the square region?
The perimeter of the given square region is 28 cm if 1 cm square tiles form a rectangular region with a perimeter of 30 cm.
Let's start by setting up some equations based on the given information. Let x and y be the dimensions of the rectangular region in terms of the number of tiles. Then we have
Perimeter of the rectangular region: 2x + 2y = 30
Area of the rectangular region: xy
Number of tiles used: xy
Since the same number of tiles can also form a square, we know that the area of the square is also xy. Let s be the length of a side of the square in terms of the number of tiles. Then we have
Area of the square: s²
Number of tiles used: s²
Setting the expressions for the number of tiles used equal to each other, we get
xy = s²
Solving for y in terms of x using the perimeter equation, we get
y = 15 - x²
Substituting this into the expression for xy, we get
x(15 - x) = s²
Expanding and rearranging, we get
x² - 15x + s² = 0
This is a quadratic equation in x, and we can solve for x using the quadratic formula
x = (15 ± √(225 - 4s²)) / 2
Since x and y must be positive, we can only take the positive root. We also know that x must be an integer (since it represents the number of tiles in a dimension), so we can restrict our attention to integer values of s that make 225 - 4s² a perfect square. The possible values of s are 1, 2, 3, 4, 5, 6, 7, and 8.
For each value of s, we can compute x using the formula above. For example, when s = 1, we get
x = (15 + √221) / 2 ≈ 8.02
This is not an integer, so s = 1 does not work. Continuing in this way, we find that the only value of s that gives an integer value of x is s = 5, which gives
x = (15 + √65) / 2 ≈ 7.38
Rounding to the nearest integer, we get x = 7 and y = 8. Plugging these values back into the perimeter equation, we find that the perimeter of the rectangular region is 30 cm, as required. The side length of the square is also 7 cm (since it has the same area as the rectangular region), so the perimeter of the square is 4 × 7 = 28 cm. Therefore, the answer is 28 cm.
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help me please also answer the question correctly
Answer:
he needs 10 c
Step-by-step explanation:
Jorge needs 10 large c because 6 large salads need 10 tomatoes
-2x + 6 greater than or equal to -4
Answer:
C
Step-by-step explanation:
-2x+6 \(\geq\)-4
-6 -6
-2x \(\geq\)-10
divide both sides by -2
-2/2=-1
-10/2=-5
-5*-1=5
x\(\geq\)5
x is greater than 5 so the number should be larger than 5 or equal to 5.
PLEASE HELP
find the value of x
Answer: an acute angle so it bout 55
Step-by-step explanation:
What is the maximum area of a rectangle with a perimeter of 60 km?
How can I describe a ordered pair
Answer:
Ordered Pair An ordered pair is a composition of the x coordinate (abscissa) and the y coordinate (ordinate), having two values written in a fixed order within parentheses. It helps to locate a point on the Cartesian plane for better visual comprehension. The numeric values in an ordered pair can be integers or fractions.
Step-by-step explanation:
i hope this helped! :)
Answer:
An ordered pair contains the coordinates of one point in the coordinate system. A point is named by its ordered pair of the form of (x, y). The first number corresponds to the x-coordinate and the second to the y-coordinate. To graph a point, you draw a dot at the coordinates that corresponds to the ordered pair.
Step-by-step explanation:
Which is a solution to the equation a number divided by 7 is at least 4? 26, 27, 28, 29
Answer:
28 and 29
Step-by-step explanation:
the equation is x÷7≤4
26÷7= 3.7 ≠ x÷7≤4
27÷7= 3.8 ≠ x÷7≤4
28÷7=4
29÷7= 4.14=x÷7≤4
Calculating the Number of Periods [LO4] You expect to receive $39,000 at graduation in two years. You plan on investing it at 10 percent until you have $174,000. How long will you wait from now? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Period years
You would need to wait approximately 51.33 years from now to grow your initial investment of $39,000 to $174,000 at an interest rate of 10% per year.
To calculate the number of periods (years) required to grow an initial investment to a desired future value, we can use the formula for compound interest:
FV = PV * \((1 + r)^n\)
Where:
FV is the future value
PV is the present value (initial investment)
r is the interest rate per period
n is the number of periods
In this case:
PV = $39,000
FV = $174,000
r = 10% per year
Let's calculate the number of periods (years):
FV = PV * \((1 + r)^n\)
174,000 = 39,000 * \((1 + 0.10)^n\)
Divide both sides by 39,000:
4.4615 = \((1.10)^n\)
Take the logarithm of both sides to solve for n:
log(4.4615) = n * log(1.10)
n ≈ log(4.4615) / log(1.10)
n ≈ 2.1270 / 0.0414
n ≈ 51.33 (rounded to two decimal places)
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1) A rectangular carpet has a perimeter of 288 inches. The length of the carpet is 96 inches more than the
width. What are the dimensions of the carpet?
Answer:
The width is 24 inches and the length is 120 inches.
Step-by-step explanation:
Let x represent the width of the carpet
The length can be represented by x + 96
Create an equation:
x + x + x + 96 + x + 96 = 288
Add like terms and solve for x:
4x + 192 = 288
4x = 96
x = 24
So, the width is 24 inches. Plug this into x + 96 to find the length:
x + 96
24 + 96
= 120
So, the width is 24 inches and the length is 120 inches.
Plz help!!!!! Will give brainliest answer
Answer:
answer is 4 goals per hour
Step-by-step explanation:
12 Divided by 3 is 4
Answer:
4 goals per hour.
Step-by-step explanation:
A softball pitcher has a 0.431 probability of throwing a strike for each pitch. if the softball pitcher throws 22 pitches, what is the probability that exactly 12 of them are strikes?
0.0945 (approx) is the probability that exactly 12 of them are strikes.
p(x=12)
nC12(p)12 (q) (n-12)
22C12 (0.431)12 (0.569)(22-12)
=646646(0.431)12 (0.569)10
=0.094518
Probability is a branch of mathematics that quantifies the likelihood of an event occurring or the likelihood of a statement being true. The probability of an event is a number between 0 and 1, with approximately 0 indicating the improbability of the event and 1 indicating certainty.
The probability of an event can be calculated by simply dividing the number of favorable outcomes by the total number of possible outcomes using the probability formula.
probability = number of paths to success—a total number of possible outcomes. For example, the probability of flipping a coin and getting heads is ½. This is because there is one way to get heads and the total number of possible outcomes is 2 (heads or tails). We write P(heads) = ½.
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