Answer:
- 21
Step-by-step explanation:
consecutive odd numbers have a difference of 2 between each one
let the three consecutive odd integers be
n , n + 2 , n + 4
then
n + n + 2 + n + 4 = - 63
3n + 6 = - 63 ( subtract 6 from each side )
3n = - 69 ( divide both sides by 3 )
n = - 23
n + 2 = - 23 + 2 = - 21
n + 4 = - 23 + 4 = - 19
the three odd integers are - 23, - 21, - 19
with middle one - 21
Answer:
first integer
19
second integer
21
third integer
23
Step-by-step explanation:
The sum of the three consecutive odd integers is
63
, so your equation is:
(x)+ (x+2)+(x+4)=63
Then solve for
x:
(x)+(x+2)+(x+4)=63
x+x+2+x+4=63
3x+6=63
3x+6
−
6=63 −63x=57
3x÷3=57÷3x=19
Now that you know your first integer has a value of
19, substitute x=19 into x+2 and x+4
to find the values of the second and third integers.
Now that you know your first integer has a value of
19
Now that you know your first integer has a value of
19
, substitute
x=19 into x+2 and x+4 to find the values of the second and third integers
*I do not claim this This is not my work Here is the link to the full key*
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A circle has a diameter with endpoints at â€""2 i and â€""6 â€""11i. what is the center of the circle? â€""8 â€""10i â€""4 â€"" 5i â€""2 â€"" 6i 2 i
The circle's center is located at (-4 -5i).
Given data,
A circle has a diameter with endpoints at -2 + i and -6 -11i.
(x₁, x₂) = (-2, -6)
(y₁, y₂) = (i, -11i)
To find what is the center of the circle;
It can be calculated by,
Add the two 'x' coordinates together and average, and the two 'y' coordinates together and average.
Now,
(x₁ + x₂)/2 = (-2 -6)/2
= -8/2
= -4
(y₁ + y₂)/2 = (i - 11i)/2
= -10i/2
= -5i
Hence, the center of the circle is at (-4 -5i).
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Is AAA a congruence theorem?.
Yes, AAA Theorem is a valid theorem for congruency when used along with two more theorems to prove congruency of triangles.
AAA (Angle-Angle-Angle) Theorem states two corresponding angles of a triangle are equal to that of the second triangle if and only if the two corresponding sides containing the angles are proportional. Then the triangles are similar.
The AAA Theorem is valid for congruency of triangles if it follows the above given conditions along with the fact that two more theorems such as SSS or AAS.
As congruency in triangles is the condition in which both the given triangles are proven to be of the same shape and size.
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Drake ha been feeding hi hore after chool thi week. There were 3 day that Drake fed hi hore 12 pound of hay. Another day Drake fed hi hore 11 2/5 pound of hay. The lat day Drake fed hi hore 10. 82 pound. How many pound in total did Drake feed hi hore thi week? Write your anwer in decimal and in fraction
The total Drake feed his horse this week is 58.22 pound or 58[tex]\frac{11}{50}[/tex] pound.
How to calculate total pounds?Let's break it down,
day 1 = 12 pound
day 2 = 12 pound
day 3 = 12 pound
day 4 = 11[tex]\frac{2}{5}[/tex] pound
day 5 = 10.82 pound
First to answer in decimal, change all value to decimal. Since only day 4 value is not decimal, so we only change day 4 value.
day 4 = 11 + (2 ÷ 5) = 11.4 pound
Total pound = 12+12+12+11.4+10.82
= 58.22 pound
Next, to answer in fraction, we only change the result in decimal to fraction. So,
58.22 = 58 + (22 ÷ 100)
= 58[tex]\frac{22}{100}[/tex]
simplified
= 58[tex]\frac{11}{50}[/tex]
Thus, this week Drake feed his horse 58.22 pound of hay or equal to 58[tex]\frac{11}{50}[/tex] pound of hay.
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when 900 is divided by positive integer f, the remainder is m. for some integer n > 5000, when n is divided by positive integer d, the remainder is r. is r > f?'
Given that f might either be 29 or 31, both of which are greater than 23, and thus n follows, sufficient conditions for n is divided by positive integer d.
Define the term positive integer?Natural numbers, also known as counting numbers, are positive integers. The symbol Z+ is also used to represent these integers.According to Statement A, 900 divided by f yields a remainder of m = 1. This provides no information about n or D; Insufficient
According to Statement B, the remainder n = x if N is divided by D = 23. This provides no information about r or d; Insufficient
Putting A and B together, since 900/f gives r = 1, d is a factor of 899.
The challenging part: 899 factors equal 29*31
Consequently, f might either be 29 or 31.
Since R can't be more than 23 based on B, D=23, and R is the reminder, so,
23 => n < 23
Thus, given that f might either be 29 or 31, both of which are greater than 23, and thus n follows, sufficient.
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A tool rental company charge $25 for the firt hour of a tractor rental. Each additional hour cot $20 per hour
For the given question
The correct option would be
It is proportional; each x-term is a multiple of the previous term.
Define a multiple.
Manifold is the simplest way to define a multiple. A multiple in mathematics is the outcome of multiplying two numbers together, or multiple is the set of numbers you obtain when you divide a number by an integer.
As an illustration, multiple of 5 include: 10, 15, 20, 25, 30, etc. 14, 21, 28, 35, 42, 49, and so on are all the multiple of 7.
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Johanna ha a cell phone plan that ha a monthly charge plu a per text fee. In October, he ent 45 text and her bill wa $37. 25. In November, he ent 118 text and her bill wa $40. 90. Part A
Determine the y-intercept and write it in coordinate form. (
,
)
Part B
Explain what the y-intercept repreent in the problem ituation.
A) The y-intercept of the given is 43.13 and coordinates is,
[tex](x_1,y_1)=(45,37.25)\\(x_2,y_2)=(118,40.90)[/tex]
B) The y-intercept represent the constant variable.
What is y-intercept?
In mathematics, the intersection point is the point on the y-axis through which the slope of the line passes. The y-intercept is where the line or curve intersects or touches the y-axis. This is the vertical, often dark line in the middle of the chart. The y-intercept of a chart is the point where the chart intersects the y-axis. Y-INTERCEPT means the y-coordinate of the point where the line, curve, or surface intersects the y-axis.
in given problem take number of text represent as x coordinate and cost of month represent y coordinate , then
[tex](x_1,y_1)=(45,37.25)\\(x_2,y_2)=(118,40.90)[/tex]
Now using slope formula ,
slope m = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]
=> slope m = 3.65/73 = 0.05
Now using equation formula ,
[tex]y-y_1=m(x-x_1)[/tex]
=> y-45 = 0.05(x-37.25)
=> y-45 = 0.05x-1.8625
=> y= 0.05x+45-1.8625
=> y = 0.05x+43.13
Here we know that equation general form is y = mx+b , where b is
y intercept.
Therefore y intercept is 43.13 and it represent the constant variable.
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How do you write 5 less than N?.
Answer:
n - 5
Step-by-step explanation:
n is a variable
less mean to subtact so n - 5
scores on a college entrance exam are normally distributed with a mean of 500 and a standard deviation of 80. find the score at the 35th percentile.
The score at 35th percentile is 469.6 marks according to standard deviation and mean.
What is standard deviation?
Standard Deviation could be a measure that shows what quantity variation (such as unfold, dispersion, spread,) from the mean exis
Main body:
Given:
mean of μ = 500 and standard deviation of σ = 80
To answer this, we must find the z-score that is closest to the value 0.35 in the z table. This value turns out to be -0.38:
We can then plug this value into the percentile formula:
Percentile Value = μ + zσ
35th percentile = 500 + (-0.38)*80
35th percentile = 469.6
the score at the 15th percentile weighs about 469.6 marks.
Hence marks at 35th percentile is 469.6
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Cindy' mom inveted
Rx when Cindy turned 10 year old. The amount earned imple interet at 4. 5% pa. When Cindy turned 21 year old, he received an amount of R21,000. How much money did Cindy' mom originally invet in her?
Having $21,000 after investing 11 years with an annual simple interest rate of 4.5% means that the principal amount that Cindy's mom invested when Cindy turned 10 years old was $14,046.82
Simple interest rate is calculated by multiplying the interest rate given in a period of time with the principal without any compounding, and multiply it by the period of time that the principal is invested.
Given that the interest rate is at 4.5% annually, we will need to convert the percentage into a decimal with the following calculation:
4.5/100=0.045
The principal is invested when Cindy was 10 years old and by the time Cindy turned 21 years old the total investment accumulated is $21,000 within 11 years. We will then need to figure out the initial amount invested with the following formula:
P = A / (1 + rt)
Where P is the principal amount, A is the total amount of principal including the interest, r is the interest in decimal, and t is the number of years the money is invested.
P = 21000/(1+(0.045×11))
P = 14,046.82
The original amount of investment was $14,046.82
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(1 point) you flip a coin 120 times and get 70 heads. (a) what proportion of heads is represented in this sample?
a) The proportion of heads that is represented in this sample is [tex]\bar{p}[/tex]=0.583.
What is meant by sample proportion?It is a parameter that describes a percentage number connected with a population. For example, the 2010 United States Census revealed that 83.7% of the American population was identified as not being Hispanic or Latino; the figure of.837 is a population proportion. In general, the population proportion and other population metrics are unknown. A census can be undertaken to establish the true value of a demographic metric, although it is generally impractical due to the expenses and time required.
A population proportion is typically computed using an unbiased sample statistic derived from an observational study or experiment.
Given that,
A coin is flipped 120 times, the number of heads we get are 70
a) The sample proportion is,
[tex]\bar{p}[/tex]=No. of heads/No. of times the coin is flipped
[tex]\bar{p}[/tex]=70/120
[tex]\bar{p}[/tex]=0.583
The proportion of heads that is represented in this sample is [tex]\bar{p}[/tex]=0.583
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What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 54?.
72 is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 54.
We know that the sum of all the angles of any triangle is 180
We have to use the above property in order to find the measurement of the vertex angle.
Now our triangle is isosceles , that is the two equal sides will be containing equal angle. One of them is given as 54
And hence the other will also be 54.
Let the vertex angle be x
180=54+54+×
180=108+×
x=180-108
x=72
Hence the vertex angle is 72
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please answer asap (25 points)
only write down what I gotta put in the box and explanation
Answer: The answer is b = -28 (type -28 in the box)
Step-by-step explanation:
The equation of this line in y=mx+b format is:
y=-6x-28
5.09 quiz: isosceles and equilateral triangles what is the value for x?
The measure of [x] in the triangle will be 61°.
What is Parallelogram? What is triangle?In Euclidean geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure. A triangle is a polygon with three edges and three vertices. The sum of all the angles of a triangle is 180 degrees. Mathematically -
∠x + ∠y + ∠z = 180°
There are different types of triangles such as -
equilateral triangle , scalene triangle , isosceles triangle etc.
Given is a triangle as shown in the image attached.
The given triangle is a isosceles triangle. So, we can write -
[x] + [x] + 58 = 180
2x + 58 = 180
2x = 122
x = 61
Therefore, the measure of [x] in the triangle will be 61°.
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In which case can you prove that two triangles are congruent?.
When two sides and sides of one triangle are equal then it can be said that the triangles are congruent.
Here we have to find the case in which it can be proven that two triangles are congruent.
Two triangles are said to be congruent if two angles and the included side of one triangle are equal to two angles and the included side of another side.
One of the simplest ways to prove that triangles are congruent is to prove that all three sides of the triangle are congruent. When all the sides of two triangles are congruent, the angles of those two triangles must also be congruent. This method is called side-side-side( SSS).
Therefore when two angles and their sides are equal then two triangles are said to be congruent.
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2. b = 4 in, P = 16 in, s = 12, 4 sides (base is a square) What is surface area?
The surface area of the square pyramid with the given dimensions is: 112 in.²
What is the Surface Area of a Square Pyramid?A square pyramid is a shape that has a square base and four triangular sides. A diagram of a square pyramid is shown in the image below.
Surface area of a square pyramid (SA) = base area (A) + perimeter of base (P) × slant height (s) / 2.
We are given the dimensions of a square pyramid as:
Length of a side of the base (b) = 4 in.
Base area (A) = 4² = 16 in.²
Base perimeter (P) = 16 in.
Slant height (s) = 12 in.
Therefore:
Surface area of a square pyramid (SA) = 16 + 16 × 12/2.
SA = 16 + 16 × 6
SA = 112 in.²
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A square rug has an inner square in the center. The side length of the inner square is x inches, and the width of the outer region is 3 in. What is the area of the outer part of the rug?
Answer:
[tex]12x+36[/tex] in²
Step-by-step explanation:
The area of the inner square is [tex]x^2[/tex] in².
The area of the whole square is [tex](x+6)^2[/tex] in².
Taking the difference, [tex](x+6)^2-x^2=(6)(2x+6)=12x+36[/tex] in².
Answer:
[tex]\huge\boxed{\sf 12x + 36 \ in.^2}[/tex]
Step-by-step explanation:
Formula:Area of square = length²Area of inner part of the rug:Length = x in.
So,
Area = (x)²
Area = x² in.²
Area of the whole rug:Length of the whole rug = 3 + x + 3 = x + 6
So,
Area = (x + 6)²
Area = x² + 12x + 36 in.²
Area of the outer part of the rug:= Area of the whole rug - Area of the inner part
= x² + 12x + 36 - x²
= x² - x² + 12x + 36
= 12x + 36 in.²[tex]\rule[225]{225}{2}[/tex]
What is a 1 1 phenotypic ratio?.
When organisms are crossed, there are only two possible phenotype outcomes, and they each have a 50/50 chance of emerging, which is known as a 1:1 phenotypic ratio.
In the given question we have to explian about 1:1 phenotypic ratio.
The phenotypic ratio is the relationship between the proportion of children that will exhibit a particular trait or a combination of features. This ratio is often obtained by performing a test cross, noting how frequently a characteristic or combination of traits will be manifested based on the genotype of the offspring, and using the information from that cross.
When organisms are crossed, there are only two possible phenotype outcomes, and they each have a 50/50 chance of emerging, which is known as a 1:1 phenotypic ratio.
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Which factors of 14 are also factors of 28?.
Answer:
1, 2, 7, and 14
Step-by-step explanation:
factors of 14 : 1, 2, 7, and 14
factors of 28 : 1, 2, 4, 7, 14, and 28
so then common factors between 14 and 28 are 1, 2, 7, and 14
The line shown in the graph?
Answer:
[tex]x = -2[/tex]
Step-by-step explanation:
This is a vertical line. The equation for a vertical line is:
[tex]x = \textrm{constant}[/tex]
where the constant is the x-coordinate of every point on the line.
In this case, the x-coordinates given are -2, so the equation for this line is:
[tex]x = -2[/tex].
What are the first 8 prime numbers?.
The first 8 prime numbers that occur are as given below in the lis
2, 3, 5, 7, 11, 13, 17, 19,The prime numbers can be referred to or concentrated as such numbers, which are whole number s but are divisible only by 1 and the number itself. The list given above contains the numbers which are not only prime but are also divisible only by one and the number themselves. The list given above contains such numbers which are divisible as per the conditions of prime numbers. Therefore, the significance regarding prime numbers has been aforementioned in the given list.
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can someone help i dont understand this
p(n)=2n; find p(-1)
The solution for p(-2) in the function when the function p(n) = 2n is -2
How to determine the solution for p(-1) in the function?From the question, we have the following equation that can be used in our computation:
p(n)=2n
To make the equation legible, we need to rewrite it
So, we have the following representation
p(n) = 2n
Also from the question, we have
p(-1)
This means that the value of n is -1, and we calculate p(n) when n = -1
Substitute the known values in the above equation, so, we have the following representation
p(-1) = 2 * -1
So, we have the following equation
p(-1) = 2 * -1
There is no constant to add or subtract to both sides of the equation
So, we have the following representation
p(-1) = -2
Hence, the solution is -2
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Please help me with this!
Answer:
67
Step-by-step explanation:
angle EGF and angle EFH has the same arc EDH, so their angles are also the same
The area covered by a fire increase by 13% each hour. Currently, the covers an area of 58m2. if the fire continues to spend at the same rate, what area will it cover in 20 hours' time? Give your answer to the nearest 1m2.
The area covered by fire in 20 hours time is 1311 square meters
How to find the area covered by the fire in 20 hours time13% increment represents increment by a factor of 1.13
The rate at which the fire increases is 13% per hour, hence in 20 hours the area will be covered by a factor of 22.6 solved as shown below:
= 20 * 1.13
= 22.6
The area covered by fire in 20 hours time
= 22.6 * 58 m^2
= 1310.8 m^2
= 1311 m^2
Using the rate of the fire coverage which is 13% per hour in 20 hours the fire will cover 1311 square meters
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When testing for significance among three or more groups, it may be difficult to determine where the significant differences are in a dataset. A ______ can pinpoint the difference(s).
Analysis of Variance (ANOVA)
Post hoc test
Confidence interval
Cross tabulation
When testing for significance among three or more groups, it may be difficult to determine where the significant differences are in a dataset. An Analysis of Variance (ANOVA) can pinpoint the difference(s). The correct option is B.
What is ANOVA?Analysis of variance is a collection of statistical models and the estimation procedures that go with them that are used to analyze the differences between means. Ronald Fisher, a statistician, invented ANOVA. ANOVA is a method for determining whether the means of two groups differ. Inferential statistics uses samples to infer population properties. Statistical tests such as ANOVA assist us in determining whether sample results are applicable to populations.
The null hypothesis in ANOVA states that there is no difference between group means. The ANOVA will report a statistically significant result if any group differs significantly from the overall group mean. ANOVA is a statistical method that divides observed variance data into different components for use in additional tests. For three or more groups of data, a one-way ANOVA is used to learn about the relationship between the dependent and independent variables.
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An experiment consists of rolling two fair dice and adding the dots on the two sides facing up. Assuming each simple event is as likely as any other, find the probability that the sume of the dots is greater than 8. The probability that the sum of the dots is greater than 8 is ...?
The probability when the sum dots are greater than 8 is 0.277.
when two dice are thrown then total probability for 2 dice, Here ,two dices are thrown. Therefore total possible outcome is (6)2 = 36 and sum is greater than 8 , so favorable outcome is = 10
Probability is the department of arithmetic regarding numerical descriptions of ways in all likelihood an occasion is to occur, or how in all likelihood it's miles that a proposition is true. The possibility of an occasion is a range of among zero and 1, where, kind of speaking, zero shows impossibility of the occasion and 1 shows certainty.") For example, the possibility of flipping a coin and it being heads is ½, due to the fact there's 1 manner of having a head and the overall variety of viable effects is 2 (a head or tail). We write P(heads) = ½ .
favorable possible result:
(3,6)
(4,5)
(4,6)
(5,4)
(5,5)
(5,6)
(6,3)
(6,4)
(6,5)
(6,6)
Therefore the required probability is = 10/36
probability= 5/18 = 0.277 .
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Three identical uniform meter sticks are placed on the floor. The first stick lies along the y-axis from y = 0.470 m to y = 1.47 m. The second stick lies along the x-axis from x = 0.320 m to x = 1.32 m. The third stick is positioned so that one end is on the x-axis at x = 0.690 m, and the other end is on the y-axis at y = 0.724 m. Calculate the location of the center of mass of the meter sticks
The x position of center of mass is = 0.389 m , the y position of center of mass is = 0.444 m .
In the question ,
it is given that , first stick lies along y-axis from y = 0.470 m to y = 1.47 m.
So , coordinate of first stick is (x1 , y1) = (0 , (0.47+1.47)/2) = (0 , 0.97)
the second stick lies along x-axis from x = 0.320 m to x = 1.32 m ,
So , the coordinate of second stick is (x2 , y2) = ((0.32+1.32)/2 , 0) = (0.82 , 0)
the third stick is positioned so that one end is on x-axis at x = 0.690 m, and the other end is on the y-axis at y = 0.724 m .
the coordinate of third stick is (x3 , y3) = (0.690/2 , 0.724/2) = (0.345 , 0.362)
So , x position of center of mass is x = (0 + 0.82 + 0.345)/3
= 0.389 m
So , y position of center of mass is y = (0.97 + 0 + 0.362)/3
= 0.444 m
Therefore , The x position of the center of mass is = 0.389 m , the y position of center of mass is = 0.444 m .
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A newsletter publisher believes that 58%58% of their readers own a Rolls Royce. A testing firm believes this is inaccurate and performs a test to dispute the publisher's claim. After performing a test at the 0.050.05 level of significance, the testing firm fails to reject the null hypothesis.
What is the conclusion regarding the publisher's claim?
choices:
there is sufficient evidence at the 0.05 level of significance that the percentage is not 58%
there is not sufficient evidence at the 0.05 level of significance that the percentage is not 58%
There is no sufficient evidence at the 0.05 level of significance that the percentage is not 58%.
What is percentage?
A percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate percent of a number, divide the number by the whole and multiply by 100. Hence, the percentage means, a part per hundred. The word per cent means per 100. It is represented by the symbol “%”.
Given percentage = 98%
alpha = 0.05
First we will design the null hypothesis.
null hypothesis: p greater than or equal to 0.58
and alternate hypothesis: p is less than to 0.58
The null hypothesis shows that 58% or more readers owns a Rolls Royce.
The alternative hypothesis shows less than 58% of the readers own a rolls Royce.
Thus, the null hypothesis is selected.
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A box with an open top has vertical sides, a square bottom, and a volume of 108 cubic meters. If the box has the least possible surface area, find its dimensions.
Height = ?
Length of Base = ?
The dimension of the Box is equal to 3×6×6 where the Height = 3m and the length of base = 6m
We have the volume of the box as
V= 108 cubic meters
Let 'a' be the height of the box and 'b' be the one side of the base of the box.
Therefore the formula for volume is
Volume = ab²
108 = ab²
=> a = 108/b² ....(1)
Now the surface area of the box is,
S = b² + 4ab ....(2)
From equations (1) and (2) we get,
Sa = b² + 4× (108/b²) × b
Sa = b² + 432 / b² ....(3)
Now for the least possible surface area differentiate equation (3) we get,
d(Sa)/db = 2b - 432/b² ....(4)
Now put the equation (4) equal to zero we get,
2b - 432/b² = 0
2b = 432/b²
b³ = 216
b = 6
Now put the value of b in equation (1) we get,
a = 3 m
Therefore the dimension of the box is 3 × 6 ×6
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Given f (x) = 3 x minus 1 and g (x) = 2 x minus 3, for which value of x does g (x) = f (2)? x = three-halves x = 2 x = five-halves.
The required value of x for the given condition g(x) = f(2) is x = 2.
Explain function of x.This relationship is regularly represented as y = f(x) — which is expressed "f of x" — and y and x are connected with the end goal that for each x, there is an extraordinary worth of y. That is, f(x) can not have more than one incentive for a similar x. To utilize the language of set hypothesis, a capability relates a component x to a component f(x) in one more set.
According to question:f(x) = 3x - 1 and g(x) = 2x - 3
To find value of x for g(x) = f(2)
Then, f(2) = 3(2) - 1 = 6 - 1 = 5
So, g(x) = 2x - 3 = 5
2x = 8
x = 4
Thus at x = 4 g(x) = f(2).
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Jada is designing a rectangular water purification filter that will be available in various sizes.
The area of the filter can be represented by the expression 2x² +9x-35. She needs to
determine expressions to represent the dimensions of the filter, as well as values of a that
result in an area of 0. Which answer choice gives the dimensions as well as values of a which
result in an area of 0?
The required value of x is 2.5, such that the area of the filter is 0.
Jada is designing a rectangular water purification filter that will be available in various sizes. The area of the filter can be represented by the expression 2x² + 9x - 35. She needs to determine expressions to represent the dimensions of the filter, as well as values of "a" that result in an area of 0.
We will find the roots of the equation.
2x² + 9x - 35 = 0
We will use the quadratic formula.
x = [-b ± √(b² - 4ac)]/2a
x = [-9 ± √(9² - 4(2)(-35))]/2(2)
x = [-9 ± √(81 + 280)]/4
x = [-9 ± √(361)]/4
x = (-9 ± 19)/4
The values of the variable "x" are 2.5 and -7. The negative value is rejected because the dimensions cannot be negative. Hence the required value of x is 2.5, such that the area of the filter is 0.
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