Answer:
\(0.50 \leq \frac{x+2}{x+10}\\\)
At least 6 strikes
Step-by-step explanation:
The required numerical data is missing from the question. In the original question, Roni gets a strike 2 out of 10 times and her goal is to have a minimum strike rate of 50%. The number of consecutive strikes required is given by the following inequality:
\(0.50 \leq \frac{x+2}{x+10}\\\)
Solving the inequality:
\(0.5x+5 \leq x+2\\3\leq0.5x\\x\geq6\)
Roni needs at least 6 strikes.
After 6 strikes, she would have 8 out of 16, which equals exactly 50%.
What is the value of x?
(The last picture was blackoops)
Answer:
38°
Step-by-step explanation:
Every triangle has 180°. This means that all the angles must sum 180°.
\((3x-16)+(x+6)+x=180\\3x-16+x+6+x=180\\5x-10=180\\5x=180+10\\5x=190\\x=\frac{190}{5}\\x=38\)
Meena Chavan Corp is compuler chip production process yields DRAM chips with an averagen life of 1.600 hours and σ=80 hours. The tolerance upper and iower specification limits are 2.200 hours and 1,500 hours, retpectivety, Based on the given information, the process capabitity ratio, C p
= (round your response fo two decimal ploces). Based on the process capability ratio (C p
) for the given intomition, one can say that the process is of producing the chips to the dealgn opedications For the given information, the process capability index (C p
) ) . (round your response fo two decirmal places). Based on the process capability index (C ph
) for the given information, one can tay that the process the specification.
To calculate the process capability ratio (Cp), we use the formula:
Cp = (USL - LSL) / (6 σ)
Where:
USL = Upper Specification Limit
LSL = Lower Specification Limit
σ = Standard Deviation
Given:
Upper Specification Limit (USL) = 2,200 hours
Lower Specification Limit (LSL) = 1,500 hours
Standard Deviation (σ) = 80 hours
Calculating Cp:
Cp = (2,200 - 1,500) / (6 80)
Cp = 700 / 480
Cp = 1.46 (rounded to two decimal places)
The process capability ratio (Cp) is approximately 1.46.
To determine if the process is capable of producing chips within the specified limits, we need to compare Cp to the desired threshold. Generally, a Cp value greater than 1 indicates that the process is capable of meeting the specifications.
In this case, the Cp value is 1.46, which is greater than 1, so we can say that the process is capable of producing chips to the design specifications.
Now, let's calculate the process capability index (Cpk). The formula for Cpk is as follows:
Cpk = min[(USL - μ) / (3 σ), (μ - LSL) / (3 σ)]
Where:
μ = Mean (average life of the chips)
Given:
Mean (μ) = 1,600 hours
Standard Deviation (σ) = 80 hours
Upper Specification Limit (USL) = 2,200 hours
Lower Specification Limit (LSL) = 1,500 hours
Calculating Cpk:
Cpk = min[(2,200 - 1,600) / (3 80), (1,600 - 1,500) / (3 80)]
Cpk = min[600 / 240, 100 / 240]
Cpk = min[2.5, 0.42]
Cpk ≈ 0.42 (rounded to two decimal places)
The process capability index (Cpk) is approximately 0.42.
Since Cpk is less than 1, it indicates that the process is not capable of meeting the specification limits adequately. Therefore, we can conclude that the process does not meet the specification requirements.
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Isaiah was given a gift card for a coffee shop. Each morning, Isaiah uses the card to buy one cup of coffee. Each cup of coffee costs $2.50 and after buying 16 cups of coffee, the card had a $5 remaining balance. Write an equation for A(x),A(x), representing the amount money remaining on the card after buying xx cups of coffee.
Answer:
$45-$2.50xx
Step-by-step explanation:
Let first of all determine the original amount on the gift card as follows
amount utilized=$2.50*16=$40
balance left after utilizing $40=$5
original amount on the gift card=amount utilized+balance left=$40+$5=$45
if xx cups of coffee is purchased ,the amount utilized would be xx*$2.50
i.e $2.50xx
The equation for the amount left would total amount on the gift card minus the $2.50xx
equation for amount remaining =$45-$2.50xx
If the questioner has duplicated x,which means he or she meant just x
equation of the amount remaining would=$45-$2.50x
How do you solve #12?
Answer:
y= -1.5x+2
Step-by-step explanation:
Can someone like explain to me how to get this.
The probability of rolling an even number or a multiple of 3 is 3/4.
What is the probability?Probability determines the odds that a random event would happen. The probability the event takes place is 1 and the probability that the event does not happen is 0.
An even number is a number that is perfectly divisible by 2.
Probability of rolling an even number = number of sides that are even / total number of sides
Sides that are even = 2, 4, 6
Probability of rolling an even number = 3/6 = 1 / 2
Probability of rolling a multiple of 3 = number of sides that are multiples of 3 / total number of sides
Sides that are multiples of 3 = 3, 6
Probability of rolling a multiple of 3 = 2/6 = 1/2
The probability of event B or C = 1/4 + 1/2 = 3/4
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What is an equation example?
The definition and explanation of an equation are given below with an example.
in mathematics, an equation is defined as an expression that expresses equality between 2 quantities or expressions. We use equations quite a lot in our daily lives whenever we have to equate two quantities and find out how they are equal. These are used in all branches of science because of the huge purpose they serve.
in simple words it tells what we have on the Left-Hand Side of the "=" sign is the same as what we have on the right-hand side of the statement. Some examples of equations are-
E²=m²c⁴+p²c²
x²+3x-1=0
70 oranges= 7 oranges × 10 oranges
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If V is a finite-dimensional real vector space, and if P1, P2:V → V are projections, Show that they are equivalent:
a) P1 + P2 is a projection. b) P1 ∘ P2 = P2 ∘ P1 = 0.
P1 + P2 is a projection and that P1 P2 = P2 P1 = 0, we have thus established that P1 and P2 are equivalent.
To show that the projections P1 and P2 are equivalent given the conditions, we truly need to display that P1 + P2 is similarly a projection and that P1 ∘ P2 = P2 ∘ P1 = 0.
a) We should show that P1 + P2 has the properties of a projection to exhibit that it is a projection.
To start, that's what we note (P1 + P2)(P1 + P2) approaches P1P1, P1P2, P2P1, and P2P2.
Since P1P1 and P2P2 are projections, they are identical.
Additionally, because P1 and P2 are linear, P2P1 and P1P2 are linear transformations.
Therefore, (P1 + P2)(P1 + P2) = P1 + P1 + P2. To demonstrate that P1 + P2 is a projection, we require (P1 + P2)(P1 + P2) = P1 + P2.
Consequently, P1 + P1 + P2 = P1 + P2.
We achieve P1P2 + P2P1 = 0 by removing terms and reworking the equation.
b) In order to demonstrate that P1 P2 = P2 P1 = 0, we must demonstrate that the composition of P1 and P2 is the zero transformation.
First of all, since the formation of direct changes is also straight, we can see that P1 P2 is a straight change. P2 P1 is a comparable straight change.
We should show that for any vector v in V, (P1 P2)(v) = (P2 P1)(v) = 0. We will be able to demonstrate that P1 - P2 - P1 - 0 as a result of this.
If v is a vector access to V that is inconsistent, then (P1 P2)(v) equals P1 (P2(v)) and (P2 P1)(v) equals P2 (P1(v)).
Because P1 and P2 are projections, they are located in their respective fixed subspaces, which are invariant under the projections.
Since the two of them project any vector onto their individual fixed subspaces, P1(P2(v)) and P2(P1(v)) are both zero.
Consequently, we have shown that P1 + P2 = P2 P1 = 0.
By demonstrating that P1 + P2 is a projection and that P1 P2 = P2 P1 = 0, we have thus established that P1 and P2 are equivalent.
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show the scaling property based on fourier transform's definition F{g(ct)} = G(jw/c)/|c| where c is a constant.
The scaling property of the Fourier transforms states that if we scale the function g(t) by a constant factor c, then its Fourier transform G(jw) will be scaled by a factor of 1/|c| and shifted by a factor of c.
This property can be expressed mathematically as follows:
F{g(ct)} = ∫ g(ct) \(e^{(-jw t)}\) dt
Let u = ct, then du/dt = c, and dt = du/c
Substituting this in the above equation, we get:
F{g(ct)} = ∫ g(u) \(e^{(-jw u/c)}\) du/c
= (1/c) ∫ g(u) e^(-jw u/c) du
= G(jw/c) / |c|
Therefore, we can conclude that the Fourier transform of a scaled function is obtained by scaling the Fourier transform of the original function by a factor of 1/|c|. This property is useful in signal processing and communication systems where signals are often scaled before transmission or processing.
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Match each formula on the left with an equivalent formula on the right.
W = X-Y
W = X - //
W = 4 - Y
W = XY
Y
X =W₁ + ½
X = Z(W + Y)
X = WZ+Y
X = // +Y
The formulas and the equivalent formulas are
W = X - Y X = W +Y
W = X/Z - Y X = Z(W + Y)
W = (X - Y)/Z X = WZ+Y
W = XY X =W/Y
How to match the formulas?To do this, we simply make X the subject of the formula in expressions on the left.
So, we have:
W = X - Y
This gives
X = W + Y
W = X/Z - Y
This gives
X/Z = W + Y
X = Z(W + Y)
W = (X - Y)/Z
This gives
X - Y = WZ
X = WZ + Y
W = XY
This gives
X =W/Y
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Complete question
Match each formula on the left with an equivalent formula on the right.
W = X - Y X =W/Y
W = X/Z - Y X = Z(W + Y)
W = (X - Y)/Z X = WZ+Y
W = XY X = W +Y
please help i dont understand
Answer:
\( \frac{ {y}^{2} }{4 {x}^{5} } \)
please help! will mark brainliest
Answer:
i think its a or d
Step-by-step explanation:
\(ax ^{2} + bx + c\)
quadratic expression:
factorise 6a^2+15a+a
Answer:
2a(3a + 8)
Step-by-step explanation:
Combine like terms
6a2 + 15 + a
6a2 + 16a
running track in the shape of an oval is shown. The ends of the track form semicircles. A running track is shown. The left and right edges of the track are identical curves. The top and bottom edges of the track are straight lines. The track has width 56 m and length of one straight edge 130 m. What is the perimeter of the inside of the track? HELP PLEASE INEED THIS
The perimeter of the inside of the track is approximately 354.36 meters.
What is the circumference?
In geometry, the circumference is the perimeter of a circle or ellipse.
To find the perimeter of the inside of the track, we need to find the length of the inside edge of the track and add it to twice the length of the semicircles at each end.
The inside edge of the track is formed by two parallel lines, each offset by a distance of 56 m from the outer edge. The length of this edge is equal to the length of the long straight edge minus twice the offset distance:
length of inside edge = 130 m - 2(56 m)
length of inside edge = 18 m
The length of each semicircle at each end is equal to half the circumference of a full circle with a radius equal to the width of the track (56 m). Therefore, the length of both semicircles is:
2 x (1/2 x 2π x 56 m) = 2π x 56 m
Adding the length of the inside edge to twice the length of the semicircles, we get:
perimeter of inside track = 18 m + 2π x 56 m
perimeter of inside track = 18 m + 112π m
the perimeter of the inside track ≈ 354.36 m (rounded to two decimal places)
Hence, the perimeter of the inside of the track is approximately 354.36 meters.
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Which statement about the pyramid below is true?
A. There are 4 faces and 4 edges.
B. There are 8 edges and 12 vertices.
C. There are 4 faces and 4 vertices.
D. There are 4 faces and 12 vertices.
The required correct statement is: D. There are 4 faces and 12 vertices.
What is Pyramid?
A pyramid is a structure whose triangular outer surfaces converge to a single step at the top, giving it the appearance of a pyramid in a general sense. A pyramid's base can be triangular, quadrilateral, or any other polygonal shape. Thusly, a pyramid has no less than three external three-sided surfaces.
According to question:
A pyramid typically has a polygonal base and triangular sides that converge at a single vertex, forming a point at the top. The base of the pyramid has faces, edges, and vertices, while the triangular sides only have edges and vertices.
In this case, the correct statement is:
D. There are 4 faces and 12 vertices.
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Worth 50 points and brainliest for anyone who answer this correctly(with solution ofc)
MEAN: =29.42
THE MEDIAN:
\((29 + 36) \times \frac{1}{2} = 32.5\)
that's my answer hope it helps
Answer:
46878954575
Step-by-step explanation:
A package of fruit bars contains one of each flavor: apple, berry, cherry, and pear. Chris chooses 2 bars at random. She makes a probability model to represent the probability of each pair of fruit bars. Complete the statements about the probability model.
The probability model has
✔ 6
outcomes, and the probability for each outcome is about
✔ 0.167
.
Since there are six potential combinations and each has an equal chance of being picked, each result has a probability of 1/6, or around 0.167.
What is probability?The likelihood that an event will occur or that a proposition is true is determined by a field of mathematics known as probability theory. An event's probability is expressed as a number between 0 and 1, where 1 indicates certainty and roughly 0 indicates how likely it is that the event will occur. A probability is a numerical expression of the likelihood or potentiality of a given event. Probabilities can alternatively be stated as integers between 0 and 1, percentages between 0% and 100%, or as percentages between 0% and 100%. the fraction of times that all equally probable alternatives occur compared to all potential outcomes.
The probability model includes 6 possible outcomes, and each one has an exact chance of 0.167, or 1/6. List all potential pairs of fruit bars that demonstrate this:
berries and apples
cherries and apples
Apple and pears, berries and cherries, pears and apples
Since there are six potential combinations and each has an equal chance of being picked, each result has a probability of 1/6, or around 0.167.
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what is the mathematical average of the number of feet in a yard, seconds in a minutes and months in a year? enter a numerical value only.
The mathematical average of the number of feet in a yard, seconds in a minutes and months in a year is 25.
How to calculate the arithmetic average for the given scenario?In Mathematics and Geometry, the arithmetic average for any data set can be calculated by using the following formula:
Arithmetic average = [∑(x)]/n
Generally speaking, we have the following standard parameters;
There are 3 feet in one (1) yard.There are 60 seconds in one (1) minute.There are 12 months in one (1) year.∑(x) = 3 + 60 + 12
∑(x) = 75
Now, we can determine the arithmetic average as follows;
Arithmetic average = 75/3
Arithmetic average = 25.
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If the equation of a line is y= - 2/3 x - 2 at what.point on the graph would I find the y- intercept?
Answer:
(0, -2)
Step-by-step explanation:
The slope equation is written as y = mx + b where m is the slope and b is the y-intercept. In this equation the slope, which is m, is -2/3 and the y-intercept is -2, which is the value of b. So the y-intercept on the graph would be found at point (0, -2)
Let y = mx +b, where m is the slope of the equation and b is the y-intercept.
So from the equation \(y=-\frac{2}{3}x-2\) You'd find the y-intercept at (0,2). Alternative way, you can find the y-intercept by substituting x = 0 so -2x/3 will be 0 because x = 0 and -2x(0)/3 = 0-2 = -2.
So from the y = mx + b, you would find the y-intercept at (0,b)
what is the area of this square help please
Answer:
16
Step-by-step explanation:
area of square = side * side
side = 4u
so area = 4*4 = 16 units
Answer:
16
Step-by-step explanation:
4x4=16
hope that helps
please mark as brainliest if correct
thank you
have a great day/night
simplify the fraction
6jk/8k
Answer: 0.75j or 3/4j
Step-by-step explanation:
In a group of 28 pupils, 12 play the flute only.
6 play the piano only.
9 play neither instrument.
A student is selected at random.
What is the probability the student plays both instruments?
Step-by-step explanation:
we have 28 students in total.
9 do not play any instrument.
that means 19 students play at least one instrument.
12 play only the flute.
6 play only the piano.
that is 12+6 = 18 together.
but we have 19 players.
so, 1 student must play both, the flute and the piano.
remember, a probability is always
desired cases / possible cases
when we are looking for the students that play both instruments, we have only 1 out of the possible 28 cases.
and the probabilty to pick this student randomly is
1/28 = 0.035714286...
Davindra made a paper box that is 8 in. Long, 5 in. Wide, and 1 in. High. It is shaped like a rectangular prism. What is the surface area of the box? *
Answer:
106 in²
Step-by-step explanation:
Given that :
Davindra made a paper box that is 8 in. Long, 5 in. Wide, and 1 in. High.
Using the relation :
SA=2lw+2lh+2hw
Surface area :
2(lw + lh + hw)
l = 8 ; w = 5 ; h = 1
Surface area :
2(8*5 + 8*1 + 1*5)
Surface area :
2(40 + 8 + 5)
= 2(53)
= 106 in²
3x + 3y = 3
\y=-1/x+2
y=-2
y = 0
y = 3
y = 1
Answer: \(y=3\)
Step-by-step explanation:
The intersection point of the graphs is the solution. So, you need to find the \(y\)-coordinate of the intersection point.
What’s x-5=1
Please please please help
What will the image Q’ be after reflection on the y-axis, if Q(2, 5)
Answer:
Q'(-2 , 5)
Step-by-step explanation:
Note that:
1) When you are reflecting over the x-axis, you are changing the sign for the y.
2) When you are reflecting over the y-axis, you are changing the sign for the x.
In this case, you are reflecting over the y-axis. Change the sign of the x:
Q(2 , 5) ⇒ Q'(-2 , 5)
Q'(-2 , 5) is your answer.
~
A university wants to determine the average salary of its graduating computer science majors. the university asks the graduating classes of 50 students to share their starting salaries when hired. the 50 students had an average salary of $100,000 with a standard deviation of $2,000. find a 95% confidence interval for the average starting salary of computer science majors from the university.
Option B. ($99,242.00, $100,758.01)
a) For n - 1 = 49 degrees of freedom, we have form t distribution tables:
P( t < 2.010) = 0.975
Therefore, P(-2.010 < t < 2.010) = 0.95
Therefore the confidence interval here is obtained as:
X +₋ t 8/√ⁿ
100 \pm 2.010*\frac{2}{\sqrt{50}}
100 \pm 0.5685
(99431.61, 100568.39)
Therefore A is the correct interval here.
Q2) From t distribution tables, we have here:
P(-2.680 < t < 2.680) = 0.99
Therefore the confidence interval here is obtained as:
100 \pm 2.010*\frac{2}{\sqrt{50}}
100 \pm 0.7580
(99242, 100785)
1) A university wants to determine the average salary of its graduating computer science majors. The university asks the graduating classes of 50 students to share their starting salaries when hired. The 50 students had an average salary of $100,000 with a standard deviation of $2,000. Find a 95% confidence interval for the average starting salary of computer science majors from the university.
a - ($99,431.61, $100,568.39)
b - ($99,445.64, $100,554.36)
c- ($99,982.26, $100,017.74)
d - The salaries are not normally distributed so we cannot compute a confidence interval
2) Find a 99% confidence interval for the previous problem.
a - ($99,271.44, $100,728.56)
b - ($99,242.00, $100,758.01)
c - ($99,996.46, $100,003.55)
d - The salaries are not normally distributed so we cannot compute a confidence interval
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19. The unit digit of (32 x 65)º is
a) 2
b) 5
c) O
d) 1
J
Find the value of y to the nearest tenth.
Step-by-step explanation:
the easiest approach seems to be the law of sines :
a/sin(A) = b/sin(B) = c/sin(C)
where the sides and the angles are always opposite of each other.
we have here a right-angled triangle, so the angle opposite of 10 is 90 degrees.
10/sin(90) = 10/1 = 10 = y/sin(37)
y = 10×sin(37) = 6.018150232 ≈ 6.0
2. Yummy Foods Fast is a meal kit delivery service that costs $30 per month after an initial membership fee of $50. What is the total cost of the meal kit delivery service after 5 months?
Answer:
$200
Step-by-step explanation:
30 * 5=150 +50=200
Item 48 A couple has 5 children, all sons. If the woman gives birth to a sixth child, what is the probability that the sixth child will be a son
The probability that the sixth child will be a son is 50%. Each child, regardless of gender, has an equal chance of being born.
What is the probability that the sixth child will be a son?The probability of having a son as the sixth child can be calculated using the binomial formula. The binomial formula is used to calculate the probability of an event occurring after a certain number of trials, given the probability of success in each trial.In this case, the probability of having a son is the same for each trial (or birth), which is 0.5 (since the odds of having a boy or a girl are equal).Therefore, the probability of having a son as the sixth child can be calculated as follows:P(son) = (5 choose 6) x (0.5^6) = 0.015625
The binomial formula is used to calculate the probability of an event occurring after a certain number of trials, given the probability of success in each trial. In this case, the probability of having a son is the same for each trial (or birth), which is 0.5 (since the odds of having a boy or a girl are equal).Therefore, the probability of having a son as the sixth child can be calculated using the binomial formula as follows: P(son) = (5 choose 6) x (0.5^6) = 0.015625.
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