Answer:
the answer is b. The mode of the data in dot plot 1 is less than the mode of the data in dot plot 2.
Step-by-step explanation:
In the dot plots 1 and 2, the statement which is true is that the mean of the data in dot plot 1 is greater than the mean of the data in data plot 2.
What is dot plot?The dot plot is the way oif representation of the data. This data is plooted in the form of points or dots over an x-y axis. The dot polt is also known as the strip plot.
Dot plot 1 is the top plot. The value of it are as,
2,3,4,5,5,6,6,6,6,7,7,7,8,8,9,10
Dot plot 2 is the bottom plot. The value of it are as,
1,2,2,3,3,4,4,4,5,5,5,6,6,7,8,9
The options given in the problem are,
The range of the data in dot plot 1 is less than the range of the data in dot plot 2-Range is difference between the highest and lowest value. The range of the first dot plot is,
\(r_1=10-2=8\)
The range of the Second dot plot is,
\(r_2=9-1=8\)
Range of dot plots are equal.
The mean of the data in dot plot 1 is greater than the mean of the data in data plot 2.Mean of the dot plot one is 6.1875 and mean of the dot plot second is 4.625.
The median of the data in dot plot 1 is equal to the median of the data in dot plotThe median of the data in dot plot 1 is 6 and the median of the data in dot plot is 4.5. Thus they are not equal.
The mode of the data in dot plot 1 is less than the mode of the data in dot plot 2.The mode of the data in dot plot 1 is 6 and the mode of the data in dot plot 2 is 4 and 5. Thus this is not correct option.
Hence, in the dot plots 1 and 2, the statement which is true is that the mean of the data in dot plot 1 is greater than the mean of the data in data plot 2.
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1. Estimate 6,963 - 3,098. Round each number first.
A about 5,000
B about 4,000
C about 2,000
D about 3,000
Answer:
the answer is 3,765
so the estimate is 4,000
B. About 4,000
When solving negative one over five (x − 25) = 7, what is the correct sequence of operations?
Multiply each side by negative one over five, add 25 to each side
Multiply each side by 5, subtract 25 from each side
Multiply each side by negative one over five, subtract 25 from each side
Multiply each side by −5, add 25 to each side
Answer:
Multiply each side by −5, add 25 to each side.
Step-by-step explanation:
2n-31=10n-63 please help me
Answer:
n=4
Step-by-step explanation:
What is -20/2(7 2/3)
The simplified form of -20/2(7 2/3) is -230/3.
To solve the expression -20/2(7 2/3), we need to follow the order of operations, which states that we should perform the operations inside parentheses first, then any multiplication or division from left to right, and finally any addition or subtraction from left to right.
First, let's convert the mixed number 7 2/3 to an improper fraction.
7 2/3 = (7 * 3 + 2) / 3 = 23/3
Now, let's substitute the value back into the expression:
-20/2 * (23/3)
Next, we simplify the multiplication:
-10 * (23/3)
To multiply a fraction by a whole number, we multiply the numerator by the whole number:
-10 * 23 / 3
Now, we perform the multiplication:
-230 / 3
Therefore, the simplified form of -20/2(7 2/3) is -230/3.
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Find the sum of the series if n = 6, r = 1/4, a = 2.
Given =
n=6,
r=1/4
a=2
Sn = a+ar+ar²+ar³+ar⁴+ar⁵= 2+0.5+0.125+0.03125+0.0078125+0.00195~ 2.67
1/4 of women have a disability. If there are 56 women in a
group.. how many would you expect to have a disability?
Answer:
14
Step-by-step explanation:
Because 1/4 of women have a disability, you would expect 1/4 * 56 = 14 women to have a disability out of 56 women.
Answer:
224
Step-by-step explanation:
You divide 56 divided by 1/4 and you will get your answer
Which function is a vertical shift of the parent function of f(z) = x
A. f(2)=1-6
B. f (2)=-4.1
C. f(2)=1
D. 2f (1)=I
Answer:
I'm going out on a branch and say B
Use Vocabulary in Writing 9. Explain how you can find the product 4 X 2 and the product 8 X 2 Use at least 3 terms from the Word List in your explanation.
Okay, here we have this:
Find the 10th term of the geometric sequence a9=-5 r=-1/2
Answer:
2.5
Step-by-step explanation:
multiply -5 by -1/2
Please help am in class need soon
Find the perimeter of triangle ABC. Found your answer to two decimal places.
Perimeter ABC=
The Perimeter of a triangle ΔABC is 27.68
Given ABC be triangle having vertices A(-2, -1), B(4, 3), C(-5, 7)
We need to find the perimeter of a triangle as
Perimeter of a triangle ΔABC = AB + BC +CA
Now we need to find distances as
D = √ (x₂ - x₁)² + ( y₂ - y₁ )²
AB = √ (4 - (-2))² + ( 3 - (-1) )²
= √ ( 4 + 2 )² + ( 3+1 )²
= √ (6)² + (4)²
= √ 36 + 16
= √ 52
= 7.21
BC = √ ((-5) - (4))² + ( 7 - (3) )²
= √ (-5 -4 )² + ( 7-3 )²
= √ (-9)² + (4)²
= √ 81 + 16
= √ 97
= 9.84
AC = √ ((-5) - (-2))² + ( 7 - (-1) )²
= √ (-5 -2 )² + ( 7+1)²
= √ (-7)² + (8)²
= √ 49 + 64
= √ 113
= 10.63
Perimeter of a triangle ΔABC = AB + BC +CA
= 7.21 + 9.84 + 10.63
= 27.68
Therefore, the Perimeter of the given triangle ΔABC = 27.68
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A model rocket is launched from ground level. It’s flight path is modeled by the following equation Y= -16t^2+160t where h is the height of the rocket above the ground in feet and t is the time after the launch in seconds. what is the rocket’s maximum height? when did the rocket reach the maximum height?
The rocket's maximum height is 800 feet. It reached its maximum height at 5 seconds after launch.
To solve this problem, we need to find the vertex of the parabola represented by the equation Y= -16t^2+160t. The vertex of a parabola is the point where the parabola changes direction, from increasing to decreasing or vice versa.
The vertex of the parabola is given by the following formula:
(-b/2a, c - b^2/4a)
In this case, the value of b is 160 and the value of a is -16. Plugging these values into the formula, we get the following:
(-160/2(-16), 800 - 160^2/4(-16))
(5, 800)
Therefore, the rocket reached its maximum height at 5 seconds after launch. The maximum height is 800 feet.
as an estimation we are told 5 miles is 8 km convert 58 km into miles
36.25 miles
there are how many distinct website graphics to be created?
According to the question there are 35 distinct website graphics that can be created by using at least four of seven different bitmap images.
What is website?A website is a collection of related web pages, images, videos, and other digital assets that are hosted on a web server and can be accessed by users over the internet. A website is typically identified by a unique domain name and can be accessed by typing the URL into a web browser.
Using the formula for calculating the number of combinations of size k from a set of size n (n choose k), we can calculate the number of distinct website graphics that can be created by using at least four of seven different bitmap images as follows:
n = 7 (7 different bitmap images)
k = 4 (at least 4 of the 7 bitmap images)
Number of distinct website graphics = (7 choose 4) = 35
Therefore, there are 35 distinct website graphics that can be created by using at least four of seven different bitmap images.
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1. The height of a right triangular prism is 1 5/6 inches. Each side of the triangular base measures 10 inches, and the height of the base is 8 2/3 inches. The triangular prism is placed atop a cube whose side measures 10 inches so that one of the triangular prism’s bases lies completely on one side of the cube.
What is the surface area of the solid formed?
100 POINTS!!! IF YOU DRAW AN ACCURATE DIAGRAM TOO, YOU WILL BE AUTOMTIC BRAINLIEST!!!!!!
If the height of a right triangular prism is 1⁵/₆ inches. The surface area of the solid formed is 598.33 in².
What is surface area?The surface area of a solid object is a measure of the total area that the surface of the object occupies.
A three-dimensional solid form with six faces, including rectangular bases, is called a rectangular prism. A rectangular prism also refers to a cuboid. A cuboid and a rectangular prism have the same cross-section.
First step:-
Right triangular prism=1⁵/₆ inches= 11/6 inches
Height of the base=8²/₃ inches = 26/3 inches
Second step:-
Surface area = 5(10× 10) + (0.5÷ 10 × 26/3) + 3(10× 11/6)
Surface area = 5(100) +43.33+ 3(18.33)
Surface area = 500) +43.33 + 55
Surface area = 598.33 in²
Therefore the surface area of the solid formed is about 598.33 in²
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Find the volume of the triangular prism:
-27yd^3
-72yd^3
-240yd^3
-360yd^3
Answer:
B. 72 yd^3
Step-by-step explanation:
First we find the area of the base, which is the triangle.
Area = (1/2)(base)(height)
A = 1/2(3)(8) = 1/2(24) = 12
Multiply that base area by the height (6)
12 x 6 = 72
160 students went on a field trip. Five buses were filled and 15 students traveled in cars. How many students were in each bus?
Each bus had ____ students.
what is the slope of the line that contains these points (31,10)(36,7)(41,4)(46,1)
Which of the following is an open statement?
A) An angle that measures 40° is an acute angle.
B) An angle that measures 95° is an obtuse angle.
C)
XYZ is an acute angle.
OD) An angle that measures 95° is an acute angle
Answer:
OD
Step-by-step explanation:
an angle that is more than 90 is considered a acute angles
The correct option for an open statement is:
C) XYZ is an acute angle.
The answer is C. We don't know if it's true or false.
Here, we have,
we know that,
An open statement is one that can be true or false depending on the value or condition being discussed.
In this case, the statement "An angle that measures 95° is an acute angle" is an open statement because it can be evaluated as true or false based on the definition of an acute angle.
An acute angle is defined as an angle that measures less than 90 degrees.
Since 95° is greater than 90°, the statement is false.
However, if we were discussing a different angle measure, the statement could be true or false depending on its value.
Options A and B are not open statements because they provide specific angle measures (40° and 95°) and classify them as either acute or obtuse, which can be determined as true or false based on their given measures.
Option C does not provide any specific information or condition,
We don't know if it's true or false.
The correct option for an open statement is:
C) XYZ is an acute angle.
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After a translation, the image of P(-3,5) is P(-4,3). Find the translation rule. Write your answer in the form (x+a, y+b).
P(-3,5)
Image: (-4,3)
x coordinate:
-3+a = -4
Solve for a
a=-4+3
a= -1
y coordinate:
5+b =3
b =3-5
b= -2
So:
(x-1, y-2)
Angie has 12 3/4 yards of fabric to make Halloween costumes. Each fabric costume requires 7/8 yards of fabric. How many costumes can Auntie make?
Since Angie has 12 3/4 yards of fabric and all and each costume requires 7/8 yards, you can divide 12 3/4 by 7/8.
12 3/4 ÷ 7/8
= 51/4 ÷ 7/8
= 51/4 • 8/7 (remember that dividing by a fraction is the same thing as multiplying by it’s reciprocal)
= 51/1 • 2/7 (after simplifying)
= 102/7
= 14 4/7
Angie can make 14 costumes. She cannot make the 15th one because she’ll run short of fabric.
Write 1,386 as the product of its prime factors.
Answer:
. A prime factor of x is a prime number that divides x correctly (so that the rest is equal to 0). 1386 = 2*3*3*7*11 in our situation. This result can be obtained by dividing the number (1386) by 2, 3, 5, 7, 11, and so on. You utilise the result you get every time you successfully divide it by a prime number (beginning with 2) and try to divide it using the same approach. When you can no longer divide a number by a prime number, you go on to the next prime number and try to divide it by that number. Finally, you multiply the prime numbers by which you were able to divide your number.
Step-by-step explanation:
Answer: We know the prime factorization of a number is the representation of a number in terms of multiples of its factors. Now to simplify the above factorization by applying the exponent rule to make the prime factorization simplest. So, the correct answer is “ $ \ 1386 = 2 \times {3^2} \times 7 \times 11 $ ”.
Step-by-step explanation:
Hope it helped you<3
1. Decide whether enough information is given to prove that the triangles are
congruent. If so, state the theorem you can use.
By AAS congruence theorem, triangle SUR congruent to triangle SUT.
What is the congruence theorem?Triangle congruence theorem or triangle congruence criteria help in proving if a triangle is congruent or not. The word congruent means exactly equal in shape and size no matter if we turn it, flip it or rotate it.
Consider ΔSUR and ΔSUT,
Here,
SR=ST (Given in ΔSRT)
∠R=∠T (Base angles of isosceles triangle are equal)
∠SUR=∠SUT=90°
By AAS congruence theorem, ΔSUR ≅ ΔSUT
Therefore, by AAS congruence theorem, triangle SUR congruent to triangle SUT.
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Evaluate 3x2 + 3x - 9, when x = 2
Answer:
9
Step-by-step explanation:
3x^2 + 3x - 9
Substitute x = 2 into the equation.
3(2)^2 + 3(2) - 9
3(4) + 6 - 9
12 + 6 - 9
18 - 9 =
9
what is 9(p−4)=−18 p=?
Answer:
P=2
Step-by-step explanation:
Solve. You must factor first.
8n^2-29n + 15 = 0
Please show work
Carries friend lives two miles from her house. If it took her 18 8/9 minutes to run to her friends house, then 19 7/12 minutes to run back to her house, what is the total time she spent running? Please give step by step explanation
Answer:
38 17/36
Step-by-step explanation:
The total time she spent running is the combined value of the time it took to get to her friends house and to run back to her own house. It took 18 8/9 minutes to get to her friends house, and 19 7/12 to get to her own house, so the total time is the two added together. 18 + 19 = 37, and 8/9 + 7/12 = 64/72 + 42/72 = 106/72 = 53/36. This is equal to 1 17/36, so this plus 37 is equal to \(38 \frac{17}{36}\)
a machinist is making a gear that will pull a chain at 60 ft/min when rotating at 40 rev/min. What should the radius of the gear be? Answer in inches.
The radius of the gear should be approximately 2.8644 inches.It is important to note that when making calculations involving units, we need to make sure that all units are consistent and convert them when necessary. In this case, we converted the answer from feet to inches to match the given unit.
To find the radius of the gear that will pull a chain at 60 ft/min when rotating at 40 rev/min, we can use the formula:
chain speed = 2 x pi x radius x rotational speed
where pi is a mathematical constant approximately equal to 3.14.
We know that the chain speed is 60 ft/min and the rotational speed is 40 rev/min, so we can substitute those values into the formula:
60 = 2 x 3.14 x radius x 40
Simplifying the equation, we get:
radius = 60 / (2 x 3.14 x 40)
radius = 0.2387 ft
To convert feet to inches, we can multiply the answer by 12:
radius = 0.2387 x 12 = 2.8644 inches.
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4. Reyes meter family's water consumption is 117 m³. If their previous water reading was 0531, what is their present water meter reading?
5. Last month, the water meter reading of a household was 1552 m3. The following month, it was 1596 m3. If the basic charge of water consumption per cubic meter is P2.55, how much will they need to pay?
4. The present water meter reading for the Reyes family is 0648.
5. The household needs to pay P112.20 for their water consumption.
4. To find the present water meter reading for the Reyes family, we need to add their previous water reading to their water consumption.
Previous water reading: 0531
Water consumption: 117 m³
To add the two values, we can simply add the numerical part and keep the leading zeros:
0531 + 117 = 0648
Therefore, the present water meter reading for the Reyes family is 0648.
5. To calculate the amount the household needs to pay for water consumption, we need to find the difference in water meter readings and multiply it by the basic charge per cubic meter.
Previous water meter reading: 1552 m³
Present water meter reading: 1596 m³
Water consumption: 1596 - 1552 = 44 m³
Basic charge per cubic meter: P2.55
To calculate the payment, we multiply the water consumption by the basic charge per cubic meter:
Payment = 44 m³ * P2.55/m³ = P112.20
Therefore, the household needs to pay P112.20 for their water consumption.
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2x + y = 20
6x - 5y = 12
Answer:
x=7, y=6
Step-by-step explanation:
Answer:
x=7, y=6
Step-by-step explanation:
we expand the first formula by 5.
5(2x+y) = 20x5
10x + 5y= 100
then we add the two formulas together.
10x+5y+6x-5y = 100+12
since the 5y can be cancelled out, it is much easier.
16x = 112
x=7
now we can put x=2 into the first formula.
2x7+y =20
y=6
An estimator is said to be consistent if: the difference between the estimator and the population parameter grows smaller as the sample size grows larger. it is an unbiased estimator. the variance of the estimator is zero. the difference between the estimator and the population parameter stays the same as the sample size grows larger.
Answer:
the difference between the estimator and the population parameter grows smaller as the sample size grows larger.
Step-by-step explanation:
In Statistics, an estimator is a statistical value or quantity, which is used to estimate a parameter.
Generally, parameters are the determinants of the probability distribution. Thus, to determine a normal distribution we would use the parameters, mean and variance of the population.
An estimator is said to be consistent if the difference between the estimator and the population parameter grows smaller as the sample size grows larger. This simply means that, for an estimator to be consistent it must have both a small bias and small variance.
Also, note that the bias of an estimator (b) that estimates a parameter (p) is given by; \(E(b) - p[\tex]
Hence, an unbiased estimator is an estimator that has an expected value that is equal to the parameter i.e the value of its bias is equal to zero (0).
A sample variance is an unbiased estimator of the population variance while the sample mean is an unbiased estimator of the population mean.
Generally, a consistent estimator in statistics is one which gives values that are close enough to the exact value in a population.