Answer:
Yes
Step-by-step explanation:
Each value only maps out to one value, so that means it is a function.
Answer:
YES
Step-by-step explanation:
which library procedure reads a 32-bit signed decimal integer from standard input?
In the C programming language, the standard library procedure for reading a 32-bit signed decimal integer from standard input is scanf(). In the Python programming language, the standard library is int(input()).
An example usage of scanf() to read a 32-bit signed decimal integer from standard input is:
#include <stdio.h>
int main() {
int my_integer;
scanf("%d", &my_integer);
printf("The integer is %d\n", my_integer);
return 0;
}
An example usage of int(input()) to read a 32-bit signed decimal integer from standard input is:
my_integer = int(input())
print("The integer is", my_integer)
Other programming languages may have different procedures for reading input.
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There are two bags of carrots on sale. The prices are shown below: Bag A: $1100 containing 10 carrots Bag B: $3500 containing 35 carrots Which one is the better buy?
Answer: Bag B
Step-by-step explanation:
1100 DIVIDED BY 10= 110 PER ONE
3500 DIVIDED BY 35= 100 PER ONE
OBVIOUSLY, BAG B IS THE BETTER BUY BECAUSE IT IS $10 LESS THAT BAG A
N Find the area and perimeter of the shaded figure below. 1 unit 1 unit Area Perimeter = = square units units
Answer:
we cannot answer your question because there is not enough information, please repost the question with more information, correctly this time.
Step-by-step explanation:
Can someone please help me with 1-9 Sorry 25 points is all I have
Answer:
see below
Step-by-step explanation:
5.
VW = 4x - 20
UW = 6X - 35
UV = 19
find x to get UW
UV + VW = UW
19 + 4x - 20 = 6x - 35
x = 17
VW = 4(17) - 20
VW = 48
UW = 6(17) - 35
UW = 67
----------------------------------------------------
6.
HJ = 7x - 27
HI = 3x - 5
IJ = x - 1
find the value of x
HI + IJ = HJ
3x - 5 + x - 1 = 7x - 27
x = 7
----------------------------------------------------
7.
BC = 4x - 29
CD = 5x - 9
BD = 7x - 10
find each value
BC + CD = BD
4x - 29 + 5x - 9 = 7x - 10
x = 14
BC = 4(14) - 29
BC = 27
CD = 5(14) - 9
CD = 61
BD = 7(14) - 10
BD = 88
----------------------------------------------------
8.
BD = BC
BD = 5x - 26
BC = 2x + 1
AC = 43
find AB
BD = BC
5x - 26 = 2x + 1
x = 9
AB + BC = AC
AB + 2(9) + 1 = 43
AB = 24
----------------------------------------------------
9.
LK = MK
LK = 7x - 10
KN = x + 3
MN = 9x - 11
KJ = 28
find LJ
MK + KN = MN
7x - 10 + x + 3 = 9x - 11
x = 4
KJ + LK = LJ
28 + 7(4) - 10 = LJ
LJ = 46
You roll a number cube two times in a row. What is the probability of rolling a 3 the first time and an even number the second time?
The probability of rolling a 3 the first time is 1/6.
The probability of rolling an even number is 1/2.
What is the slope of the line that passes through the points (-10, -4)(−10,−4) and (10, -29) ?(10,−29)? Write your answer in simplest form
Answer:
The answer is -1.25
Hope that helps. x
Step-by-step explanation:
How do you write 79% as a decimal?
Answer:
0.79
Step-by-step explanation:
you basically divide 79 by 100 which gives you 0.79
please help! will give brainliest
Answer:
yes, the point (-1, 5) is in the solution set
Step-by-step explanation:
y ≥ 2x + 3
Is 5 ≥ 2(-1) + 3? Yes
y + x > 0
Is 5 + (-1) > 0? Yes
Answer:
Yes the Point (-1,5) is in the solution set.
Step-by-step explanation:
Well you have to sub in the x and the y.
In the first equation
5 >= 2(-1) +3 = 5>= 1 So this one is true and in the set.
The second one
5+-1>0 = 4>0. So this one is also true.
Sorry if im wrong. Hope this helps!
Please give me Branliest!
If I deposited $1,300 into an account that earned 7% simple interest for 48 months, how much interest would I gain?
$4,368
$3,640
$364
$36,400
When one deposits $1,300 into an account that earned 7% simple interest for 48 months, the interest would be 624
How to find the interestThe interest after 48 months is calculated using the simple interest formula
The formula is stated as
Simple interest = Principal * time * rate / 100
the time is in months converting to year we have
= 48 / 12
= 4 years
In the problem the give data include
principal = $1,300
rate= 7%
time = 4 years
plugging in the values
Simple interest = Principal * time * rate / 100
Simple interest = $1,300 * 4 * 7 / 100
Simple interest = 62400 / 100
Simple interest = 624
The interest earned is 624
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What is equidistant from the three vertices of a triangle?
Which choice shows three lengths that cannot be the lengths of the three sides of a triangle? 2 cm, 8 cm, 8 cm B. 2 cm, 3 cm, 6cm C. 4cm, 5 cm, 7 cm . D. S cm. 6 cm. 9 cm
Answer:
A
Step-by-step explanation:
Because the lengths are way off for A.
2cm, 8cm, 8cm
NEED HELP ASAP WITH WORK
so I can use the work for the questions later on
The width of the rectangular garden is 21 feet.
What is a rectangle?A rectangle is a plane shape that have pair of opposite sides equal and parallel.
To calculate the width of the rectangle, we use the formula below
Formula:
w = 3P/20...................... Equation 1Where:
w = Width of the rectangleP = Perimeter of the rectangleFrom the question,
Given:
P = 140 feetSubstitute into equation 1
w = 3×140/20w = 21 feetHence, the right option is D. 21 feet.
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Simplify: 8(20-( (9-5))^2*
Answer:
= 32
Step-by-step explanation:
= 8 [ 20 - { (9-5) }² ]
= 8 [ 20 - { (4) }² ]
= 8 [ 20 - 16 ]
= 8 [ 4 ]
= 32
note:
not sure if your parentheses are in correct position.
Answer:
\(\Huge \boxed{32}\)
\(\rule[225]{225}{2}\)
Step-by-step explanation:
\(8(20-(9-5)^2)\)
Evaluating according to PEMDAS:
\(\Rightarrow \ \ 8(20-( 4)^2)\)
\(\Rightarrow \ \ 8(20-16)\)
\(\Rightarrow \ \ 8 \cdot (4)\)
\(\Rightarrow \ \ 32\)
\(\rule[225]{225}{2}\)
Shaded region are made up of 3 parallelograms. each parallelogram has a base of 5 cm and height of 8 cm find the total area of shaded region ?
The answer is , the total area of the shaded region made up of 3 parallelograms with a base of 5 cm and height of 8 cm is 120 cm².
To find the total area of the shaded region, we need to add up the areas of the three parallelograms. The formula for the area of a parallelogram is base x height, so the area of one parallelogram is:
5 cm x 8 cm = 40 cm²
Since there are three parallelograms in the shaded region, we can multiply the area of one parallelogram by 3 to get the total area of the shaded region:
40 cm² x 3 = 120 cm²
Therefore, the total area of the shaded region made up of 3 parallelograms with a base of 5 cm and height of 8 cm is 120 cm².
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what is x increased by 2 ?
Answer:
x+2is your answer. thanks
Answer:
x+2 :)
Step-by-step explanation:
When 293 college students are randomly selected and surveyed, it is found that 114 own a car. The upper limit for the 90% confidence interval for the percentage of all college students who own a car is __
O 31.6% O 46.3% O 44.5% O43.6%
When 293 college students are randomly selected and surveyed, it is found that 114 own a car. The upper limit for the 90% confidence interval for the percentage of all college students who own a car is 46.3%.
The given problem is an example of confidence intervals in statistics. The formula for finding the confidence interval in percentage is given below:
Confidence Interval in Percentage = P ± Z Score x √ (PQ/n)
where
P = Sample proportion
Q = 1 - P
n = Sample Size
Z Score is obtained from the Z-Table where the confidence level is given.
To obtain the upper limit, the following formula should be used:
Upper Limit of the Confidence Interval = P + Z Score x √ (PQ/n)
Substitute the given values of the question into the formula:
P = 114/293 = 0.3891
Q = 1 - 0.3891 = 0.6109
n = 293
The upper limit for the 90% confidence interval is given by the Z-Table at 1.645:
Upper Limit of the Confidence Interval = 0.3891 + 1.645 x √ [(0.3891 x 0.6109)/293]
≈ 0.3891 + 1.645 x 0.0467
≈ 0.3891 + 0.07701
≈ 0.4661 = 46.3%
Therefore, the answer is 46.3%.
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Through: (1, 5) perpendicular to: y = - ½ x + 4
Answer:
y = 2x+5
Step-by-step explanation:
In which career would u most likely apply concepts from geometry
Answer:Theft
Step-by-step explanation: because i said so
Answer: I think that the answer is video game designer.
Step-by-step explanation:
Determine if the following numbers are rational or irrational.
1. √25
2.4.31
3.-2/2
4. √18
5.7
6. Pi
7.√50
8.-5
9. 1/3
10. 0
Answer:check explanation
Step-by-step explanation:1. √25 is a rational number because it is equal to 5, which is a rational number.
2. 4.31 is a rational number because it can be expressed as the ratio of two integers (431/100).
3. -2/2 is a rational number because it can be simplified to -1, which is a rational number.
4. √18 is an irrational number because it cannot be expressed as the ratio of two integers. It is approximately equal to 4.242640687119285.
5. 7 is a rational number because it can be expressed as the ratio of two integers (7/1).
6. Pi is an irrational number because it cannot be expressed as the ratio of two integers or as a terminating or repeating decimal. It is approximately equal to 3.141592653589793.
7. √50 is an irrational number because it cannot be expressed as the ratio of two integers. It is equal to √(25*2) which simplifies to 5√2.
8. -5 is a rational number because it can be expressed as the ratio of two integers (-5/1).
9. 1/3 is a rational number because it can be expressed as the ratio of two integers (1/3 = 0.33333...).
10. 0 is a rational number because it can be expressed as the ratio of two integers (0/1).
The white board in the classroom is 12 feet high and has a perimeter of 84. HOw wide is the white board?
Answer:
A formula is a method that has been proven to work when solving specific types of problems.
Step-by-step explanation:
IA 1 Add: 4+(-7) =
what steps do I use
$a$ and $b$ are two points on a unit sphere. we know the space distance between $a$ and $b$ is $\sqrt 2.$ what is the length of shortest path on the sphere that connects $a$ to $b?$
The shortest path connecting two points on a sphere is called a great circle, which is the circle on the surface of the sphere that has the same radius as the sphere. Therefore, Length of shortest path = θ⋅ radius
= 3π ⋅1 = 3π
Since the two points are on a unit sphere, the radius of the sphere is 1. Therefore, the length of the shortest path between $a$ and $b$ is equal to the angle between them, measured in radians, multiplied by the radius of the sphere.
To find the angle between $a$ and $b$, we can use the dot product formula for the angle between two vectors:
cosθ = a× b/ ∥a∥∥b∥,
where θ is the angle between the two vectors, $a\cdot b$ is the dot product of the two vectors, and $\lVert a \rVert$ and $\lVert b \rVert$ are the magnitudes of the two vectors. Since the points $a$ and $b$ are on the surface of the unit sphere, their magnitudes are both equal to 1. Therefore, the dot product of $a$ and $b$ is equal to the cosine of the angle between them: cos a⋅ b = cosθ.
Since we know the distance between $a$ and $b$ is $\sqrt 2$, we can write $b$ as $a+d$, where $d$ is the displacement vector from $a$ to $b$. Therefore,
∥a+ d∥² =∥a∥² +∥d∥² + 2a⋅d =2,
where the last equality follows from the fact that $a\cdot d = \cos\theta$ and $\lVert a \rVert = \lVert d \rVert = 1$. Solving for $\cos\theta$, we get
cosθ =a⋅ d = 1/2,
which implies that $\theta = \frac{\pi}{3}$ (since $\cos^{-1}\frac{1}{2} = \frac{\pi}{3}$). Therefore, the length of the shortest path on the sphere that connects $a$ to $b$ is
Length of shortest path = θ⋅radius = 3π ⋅1 = 3π
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The p-value represents:
a). The probability of getting specific Median value.
b). The probability of getting a specific Standard error.
c). The probability that the Sample Mean could have come from a Population whose Mean is u
d). The probability of attaining the desitred Confidence level.
The p-value represents the probability that the sample mean could have come from a population whose mean is u. Therefore, the correct option is c).
The p-value represents the probability of observing a sample statistic (such as a sample mean) as extreme as, or more extreme than, the one obtained from the sample data, assuming that the null hypothesis is true. It is a measure of the strength of evidence against the null hypothesis in hypothesis testing.
In hypothesis testing, we set up a null hypothesis, which represents the default assumption about a population parameter, and an alternative hypothesis, which represents an alternative claim we want to investigate. The p-value helps us evaluate the evidence provided by the sample data in relation to the null hypothesis.
If the p-value is very small (typically below a predefined significance level, like 0.05), it suggests that the observed sample statistic is unlikely to occur by chance alone if the null hypothesis is true. This leads us to reject the null hypothesis and support the alternative hypothesis, indicating a significant difference or effect.
On the other hand, if the p-value is relatively large (greater than the significance level), it suggests that the observed sample statistic is likely to occur by chance even if the null hypothesis is true. In this case, we fail to reject the null hypothesis and do not find sufficient evidence to support the alternative hypothesis.
Therefore, the p-value allows us to quantify the evidence against the null hypothesis and make informed decisions in hypothesis testing based on the strength of that evidence. Therefore the correct answer is option c.
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The grades on a language midterm at Oak Academy are roughly symmetric with = 67 and 0 = 2.5. Ishaan scored 70 on the exam. Find the z-score for Ishaan's exam grade. Round to the nearest tenth.
Answer: 1.2
Step-by-step explanation:
Let X denotes the grades on a language midterm at Oak Academy.
As per given ,
X follows normal distribution ( because it has symmetric graph)
\(\mu=67,\ \ \ \ \sigma= 2.5\)
Formula for z : \(z=\dfrac{X-\mu}{\sigma}\)
For X = 70, we have
\(z=\dfrac{70-67}{2.5}=\dfrac{3}{2.5}=1.2\)
Hence, the z-score for Ishaan's exam grade = 1.2
z-scores are the corresponding standard normal variate's values for normal variates' values. The z-score for Ishaan's grade is 1.2
How to get the z scores?If we've got a normal distribution, then we can convert it to standard normal distribution and its values will give us the z score.
If we have
\(X \sim N(\mu, \sigma)\)
(X is following normal distribution with mean \(\mu\) and standard deviation \(\sigma\) )
then it can be converted to standard normal distribution as
\(Z = \dfrac{X - \mu}{\sigma}, \\\\Z \sim N(0,1)\)
(Know the fact that in continuous distribution, probability of a single point is 0, so we can write
\(P(Z \leq z) = P(Z < z) )\)
Also, know that if we look for Z = z in z tables, the p-value we get is
\(P(Z \leq z) = \rm p \: value\)
For the given case, if we suppose the random variable X's values as scores of the grades on given language midterm at Oak Academy, then, as it is symmetric around value 67, with σ = 2.5, thus,
\(X = N(\mu = 67, \sigma = 2.5)\)
Its given that Ishaan scored X = 70
The standard normal variate conversion of X is given by:
\(Z = \dfrac{X- \mu}{\sigma} = \dfrac{X - 67}{2.5}\)
Thus, z-scores for Ishaan's score is: \(Z = \dfrac{70 - 67}{2.5} = \dfrac{3}{2.5} = 1.2\)
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an ecology center wants to set up an experimental garden in the shape of a rectangle. the length of the rectangle is 4 yards longer than the width. what are the dimensions of the garden if the enclosed area is 21 square yards. state units.
FORTY POINTS PLEASE HELP TIMED TEST
Elliot is graduating from college in six months, but he will need a loan in the amount of $4,850
for his last semester. He may either receive an unsubsidized Stafford Loan with an interest rate
of 6.8%, compounded monthly, or his parents may get a PLUS Loan with an interest rate of
7.8%, compounded monthly. The Stafford Loan has a grace period of six months from the time
of graduation. Which loan will have a higher balance and by how much at the time of
repayment?
The Stafford Loans are govt federal loans, which implies you're borrowing money from us Department of Education directly. It has a low guaranteed return, so your payments won't go up if interest rates go up, and the following computation can be used:
Calculating the first Loan:
\(\to \bold{\$4,850 \times (1+\frac{0.068}{12})^{12}}\\\\\to \bold{\$4,850 \times (1+0.005)^{12}}\\\\\to \bold{\$4,850 \times (1.005)^{12}}\\\\\to \bold{\$4,850 \times 1.061}\\\\\to \bold{\$5,145.85}\\\\\)
Calculating the second Loan:
\(\to \bold{\$4,850 \times (1+\frac{0.078}{12})^{12}}\\\\\to \bold{\$4,850 \times (1+0.0065)^{12}}\\\\\to \bold{\$4,850 \times (1.0065)^{12}}\\\\\to \bold{\$4,850 \times 1.080}\\\\\to \bold{\$5238}\\\\\)
Calculating the difference:
\(\to \bold{5238-5145}\\\\\to \bold{93}\)
Therefore, the second loan has a higher balance that is "93".
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two rays sharing a common endpoint is the definition of which term?
Two rays sharing a common endpoint is the definition of an angle.
What is a Ray?A ray is a geometric shape that is defined by a starting point (or endpoint) and extends infinitely in one direction. It is represented by an arrowhead on one end, indicating the direction of the ray. It is a one-dimensional object, and it can be thought of as a line with one endpoint fixed and the other extending indefinitely.
What is an Angle?An angle is defined as the measure of the amount of rotation between two rays that share a common endpoint (or vertex). The common endpoint is called the vertex of the angle. The two rays are called the arms of the angle.
Thus, two rays form an angle.
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The ratio of the vertical change to the horizontal change to any two points on a line is called _______ of the lin
The ratio of the vertical change to the horizontal change between any two points on a line is called the slope of the line.
A ratio is a relationship between two or more numbers that shows how much bigger or smaller one value is compared to another. In mathematics, ratios are often used to compare quantities or amounts, such as the amount of money spent on two different items or the distance traveled over a certain period of time. The ratio of the vertical change to the horizontal change to any two points on a line is called the slope of the line.
This is a fundamental concept in geometry and algebra, and it is used to describe the steepness of a line. The slope is often denoted by the letter m, and it is calculated as follows:m = (y₂ - y₁) / (x₂ - x₁)Where (x₁, y₁) and (x₂, y₂) are two points on the line. The slope is positive if the line is increasing from left to right, negative if the line is decreasing from left to right, and zero if the line is horizontal.
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Solve each trigonometric function IN THE INTERVAL [0, 2)
3 sec2x − 2 tan2x − 4 = 0
The intersection of the graph is (0.65, 1.073). Then the solution of the equation the interval of [0, 2) will be 0.65.
What is the solution to the equation?The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.
The trigonometric function is given below.
3 sec2x − 2 tan 2x − 4 = 0
Simplify the equation, then we have
3 sec2x − 2 tan 2x − 4 = 0
3 / cos 2x − 2 sin 2x / cos 2x = 4
3 − 2 sin 2x = 4 cos 2x
(3 − 2sin 2x)² = 16 cos² 2x
The graph of the functions is drawn below.
From the graph, the intersection of the graph is (0.65, 1.073). Then the solution of the equation the interval of [0, 2) will be 0.65.
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Plot the image of point D under the dilation about the origin (0 , 0) with a scale factor of 3
The dilated picture of the point D dilation that is necessary is -6.
Given that,
To determine thee dilated image of point D (-2, 0), on the graph.
The graph is a demonstration of curves that gives the relationship between the x and y-axis.
The scale factor is defined as the ratio of modified change in length to the original length.
Here,Formerly point D is located at (-2, 0).
Now multiplying with the scale factor 3 the point goes
(-2 * 3, 0*3) => (-6, 0).
Thus, The required dilated image of the dilation of point D is -6.
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