The percent decrease in the boiling point of water from sea level to 7,500 feet is equal to 18.7%.
What is a percentage?In Mathematics, a percentage simply refers to any number that is expressed as a fraction of hundred (100). This ultimately implies that, a percentage indicates the hundredth parts of any given number.
In order to determine the percent decrease in the boiling point of water from sea level to 7,500 feet, we would determine the difference in temperature as follows;
Difference in temperature = 212°F - 198°F
Difference in temperature = 14°F
Percentage decrease = 14/7500 × 100
Percentage decrease = 0.00187 × 100
Percentage decrease = 18.7%.
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Use the distributive property to simplify the expression:
3(x+8):
Answer:
3x+24
Step-by-step explanation:
3*x +3*8
=3x+24
Answer:
3x+24
Step-by-step explanation:
3(x+8)
3×x + 3×8
3x+24
City A: -9°F City B: 10°F City C: -3.5°F
Graph the temperature for each city on the number line?
Which city was the coldest ?
Which city was the warmest ?
(a) The coldest city is city C because it has the lowest temperature.
(b) The warmest city is city B because it has the highest temperature.
What city was the coldest?
The coldest city is the city with the lowest temperature or the city with the least amount of temperature.
The temperature of the cities is given as follows;
City A = -9 ⁰F
City B = 10 ⁰F
City C = - 3.5 ⁰F
Thus, the coldest city is city C because it has the lowest temperature.
The warmest city is city B because it has the highest temperature.
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Mitchell plans to use ASA to prove that two triangles made from a rectangular piece of wood are the same. Which diagram would support his plan to use ASA?
the Diagram that would support his plan to use ASA is either option A and Option B.
What is the congruent triangle?Triangles are said to be congruent if, under a correspondence, two of a triangle's sides and the angle that connects them are equal to two of another triangle's sides and the angle that connects them.
The Corresponding portions of Congruent triangles are the complete form of CPCT. Triangles may be shown to be congruent after which the final dimension can be anticipated without actually measuring the triangle's sides and angles. The following are many congruency rules.
SSS (Side-Side-Side)SAS (Side-Angle-Side)ASA (Angle-Side-Angle)AAS (Angle-Angle-Side)RHS (Right angle-Hypotenuse-Side)Since All triangles given in the options are congruent we need to find which pair of triangles are supposed to be congruent by the property of ASA.
From ASA:
According to the ASA rule, two triangles are said to be congruent if any two angles and the side included between the angles of one triangle are equal to the corresponding two angles and the side included between the angles of the second triangle.
Therefore, Either Option A or Option B is the Diagram that would be supportive of his intention to utilize ASA.
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given m//n find the value of x (x+5) (x-13)
Answer:
X=15
Step-by-step explanation:
Solve for the question mark “?”:
9/12 = ?/16
12
9
3
4
Answer:
13728
Step-by-step explanation:
Let us call x the smallest integer. Because the next two numbers are consecutive even integers, we can call represent them as x + 2 and x + 4. We are told the sum of x, x+2, and x+4 is equal to 72.
x + (x + 2) + (x + 4) = 72
3x + 6 = 72
3x = 66
x = 22.
This means that the integers are 22, 24, and 26. The question asks us for the product of these numbers, which is 22(24)(26) = 13728.
The answer is 13728.
Answer:12
Step-by-step explanation:
9/12= 3/4 (/3). 3/4=12/16 (x4)
(100 POINTS!) The polygon above has ___ sides. It is ____ _____.
Answer: 7, equilateral, heptagon
Step-by-step explanation: Hello!
The first thing you can see is that the polygon has 7 sides.
Secondly, a regular polygon is a polygon that has all equal angles and all equal sides.
An equiangular polygon is a polygon with all equal angles but not all equal sides.
An equilateral polygon is a polygon with all equal sides but not all equal angles.
You can tell by the shape of the polygon that the polygon does not have all equal angles. The only way you can say that the polygon is equiangular is if it is proven to be true or it is given. Even if the angles look congruent, you can never say that they are unless you know it for a fact. This is because diagrams are always misleading.
This means that the polygon is not a regular polygon and is not an equiangular polygon. This means that the polygon is equilateral. Let's check.
All sides clearly show that the measure of each is 8. Since it is given and it is a fact that all sides are congruent, the polygon is definitely equilateral.
The last thing you need to do is to find if the shape is a hexagon, heptagon, or octagon. You can find that by knowing which shapes are which just by counting the sides:
3 sides - Triangle
4 sides - square
5 sides - pentagon
6 sides - hexagon
7 sides - heptagon
8 sides - octagon
9 sides - nonagon
10 sides - decagon
etc.
You know that since the polygon has 7 sides, the shape is a heptagon.
Answer:
The polygon above has 7 sides. It is a heptagon.
please help me determine whether y is a function of x and if the function is one-to-one
Answer:
y is not a function of x.
Step-by-step explanation:
To know if this is a function, first look in the x column.
If there are no repeated numbers, its a function. Here there is a repeat. 1 is listed twice.
Since there are two different y's that go with the x, when x is 1, this is not a function.
Because (1,8) and (1,12) are the problem. This is not a function because even just one x has more than one y.
In fantasy sports, players score points based on how professional athletes perform in real life. In a certain week, an athlete is predicted to score 20.1 points. If the athlete scores only 16.9 points, what is the precent of error, rounded to the nearest whole percent?
Answer:17
Step-by-step explanation:
DON'T TRUST ME
A rectangular prism has a width of 2, a height of 9, and a depth of 6. What is the volume to that prism?
The volume of a rectangular prism is, 108 unit³
What is Multiplication?To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.
We have to given that;
A rectangular prism has a width of 2, a height of 9, and a depth of 6.
Now, We know that;
Volume of rectangular prism = Length × Width × Height
Substitute all the values, we get;
⇒ Volume of rectangular prism = Length × Width × Height
⇒ Volume of rectangular prism = 2 × 9 × 6
⇒ Volume of rectangular prism = 108 unit³
Thus, The volume of a rectangular prism = 108 unit³
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x=2 x=3 up two over three
The values of {x} are given above upto 2³.
What are algebraic expressions?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.Given is that x = 2 and x = 3.
We can write -
2³ = 8
x = 1 x = 2
x = 3 x = 4
x = 5 x = 6
x = 7 x = 8
Therefore, the values of {x} are given above upto 2³.
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2/5 = 6/x
find the value of x
Answer: x=15
Step-by-step explanation: try cross multiplying
CAN SOMEONE HELP WITH THIS QUESTION?✨
Answer:
3.5%
Step-by-step explanation:
You want the percent error in a measured value of 4.16 g/cm³ in relation to a handbook value of 4.018 g/cm³.
Percent errorThe percentage error is calculated as ...
% error = ((measured) - (actual))/actual × 100%
= (4.16 -4.018)/4.018 × 100%
= 0.142/4.018 × 100% ≈ 3.5%
Significant figuresThe given numbers, 4.16 and 4.018 have 3 and 4 significant figures, respectively. Their difference will have 2 significant decimal places, as does 4.16, so should be considered to be 0.14. This value has 2 significant figures, so the final answer will have 2 significant figures.
You will note that we kept all of the digits available throughout the computation, rounding to 2 significant figures only at the end.
You will also note that taking differences of numbers of approximately the same value can result in a loss of significant figures.
ALGEBRA II Rational Zeros and Descartes Rule of Sign
The possible rational zeros of the given polynomial are given by: p/q = ±1, ±2, ±3, ±6
What is a polynomial ?
Polynomial can be defined as expression in which combination of variables and coefficients
A rational zero of a polynomial is a rational number that, when plugged into the polynomial, results in zero. To find all possible rational zeros of a polynomial, we can use the Rational Root Theorem.
According to the Rational Root Theorem, if a rational number "p/q" is a zero of a polynomial, where p and q are integers and q ≠ 0, then p must be a factor of the constant term (in this case, 6) and q must be a factor of the leading coefficient (in this case, 2).
So, the possible rational zeros of the given polynomial are given by:
p/q = ±1, ±2, ±3, ±6
We can then test each of these values to see if they are actually zeros of the polynomial. To do this, we simply plug in the value and simplify. If the result is zero, then the number is indeed a zero of the polynomial.
For example, plugging in p/q = -1, we get:
2(-1)^5 + 4(-1)^4 - 3(-1)^2 + (-1) - 6 = 2 - 4 - 3 + 1 - 6 = -14,
which is not equal to zero, so -1 is not a zero of the polynomial.
By testing each of the possible rational zeros in a similar way, we can determine which ones are actually zeros of the polynomial.
Therefore, The possible rational zeros of the given polynomial are given by: p/q = ±1, ±2, ±3, ±6
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Question
The product of two consecutive positive integers is 42. Find the integers.
The barber cuts 32 haircuts in 2 days. Determine the rate for a ratio of the two different quantities.
32 over 34 haircuts per day
2 over 34 haircuts per day
32 over 2 haircuts per day
2 over 32 haircuts per day
Since the barber cuts 32 haircuts in 2 days, the rate for a ratio of the two different quantities include the following: C. 32 over 2 haircuts per day.
What is a proportion?In Mathematics, a proportion simply refers to an equation which is typically used to represent the equality of two (2) ratios. This ultimately implies that, proportions can be used to establish that two (2) ratios are equivalent and solve for all unknown quantities.
By applying direct proportion to the given information, we have the following mathematical expression:
32 haircuts = 2 days
1 haircut = (32/2) haircut per day
In this context, we can reasonably infer and logically deduce that the barber cuts 16 haircuts in a single day or per day.
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Answer:
C: 32/2
Step-by-step explanation:
i took the exam :)
CAN SOMEONE HELP WITH THESE QUESTIONS?✨
Answer:
First Question. 5942
Second Question. 1363
give the guy brainiest he deserves it
please can someone help me with this question. it seems impossible to solve.
The value of d in terms of w and l is d = √216w / 35l.
How to find d in terms of other variables?The weight of w kg of a metal bar varies jointly as its length L metres and the square of its diameter d mm. If w = 140 when d = 4 and L = 54. The value of d in terms of W and L can be found as follows:
Therefore, using the proportional relationship,
w ∝ ld²
w = kld²
Where,
w = weightk = constant of proportionalityd = diameterl = lengthTherefore,
140 = k × 54 × 4²
140 = 864k
k = 140 / 864 = 70 / 432 = 35 / 216
k = 35 / 54
Therefore, d in terms of w and l is as follows:
w = kld²
d² = w / kl
Hence,
d = √216w / 35l
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How much time is given to take the test (before 2005)?
Answer:
over 18
Step-by-step explanation:
Answer:
increased the maximum score from 1600 to 2400: 800 points were awarded for math, reading, and writing sections.
Step-by-step explanation:
The graph below shows a linear function and an exponential function.
x intercept is 1,4 don't have image
What is the minimum y-value after which the exponential function will always be greater than the linear function?
y = 1
y = 3
y = 4
y = 5
y=4 is the minimum y-value after which the exponential function will always be greater than the linear function.
What is Graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points.
From the graph we can see that in the interval [0,1] the value of y is less than 1.
In the interval [1,2] the value of y value is 2 to 4.
In the interval [2,infinity) the graph is going up, and the value of y is greater than or equal to 4.
Therefore, the graph going up after y=4 above the line.
Therefore, the minimum y-value is 4 after which the exponential function will always be greater than the linear function.
Hence, y=4 is the minimum y-value after which the exponential function will always be greater than the linear function.
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Complete the equation for the line perpendicular to g(x) = 4x + 3 and passing
through the point (7,3)
y =
The slope-point form of a line can be used to determine the equation for a line that is perpendicular to the line g(x) = 4x + 3 and passes through the point (7,3).
How to complete the equation for the line perpendicular to g(x) = 4x + 3 and passing through the point (7,3)?The slope of a line perpendicular to g(x) = 4x + 3 is equal to -1/4, which is the negative reciprocal of g(x slope. )'s Consequently, the perpendicular line's slope is 4.
The equation of the line passing through (7,3) with a slope of 4 can therefore be determined using the point-slope form of a line:
y - 3 = 4(x - 7) (x - 7)
Increasing the right side and reducing it:
y - 3 = 4x - 28
28 more on both sides:
y = 4x + 25
Consequently, y = 4x + 25 is the equation for the line perpendicular to g(x) = 4x + 3 and passing through (7,3).
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The equation for a line that is perpendicular to the line g(x) = 4x + 3 and passes through the point can be found using the slope-point form of a line (7,3).
What is meant by the equation for the line perpendicular?It forms a 90° angle with one particular spot where the line passes. Finding the perpendicular line requires knowledge of coordinates and line equations. The slope should be a/b if the line's equation is (x1, y1) and its coordinates are (ax + by + c = 0).
The slope of a line perpendicular to g(x) = 4x + 3 is equal to -1/4, which is the negative reciprocal of g(x slope. )'s Consequently, the perpendicular line's slope is 4.
The equation of the line passing through (7,3) with a slope of 4 can therefore be determined using the point-slope form of a line:
Let the equation be
y - 3 = 4(x - 7) (x - 7)
simplifying the above equation we get
y - 3 = 4x - 28
y = 4x + 25
Consequently, the equation for the line parallel to g(x) = 4x + 3 and passing through is y = 4x + 25. (7,3).
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which of these tables of values represents a linear function that has a greater rate of change than the linear function y = 5x + 2? select THREE that apply
Answer:C
Step-by-step explanation:
Given: P = 56 feet, DC = 16 feet, what is the length of BC?
Answer:
12 feet
Step-by-step explanation:
this is a rectangle! because DC = 16 feet, you know that AB is also equal to 16 feet
therefore, DA + CB = 24
because ABCD is a rectangle, you know that DA = CB and you can use substitution to say that CB + CB = 24
2CB = 24
CB = 12
I am a number. I am the difference of √121 and 164. What number am I?
Answer:
√121 = 11
diffrence of 164 and 11 = 164 - 11 = 153
number = 153
What is the meaning of the y-intercept in the context of the problem? A. The tablet starts with 30 percent of battery remaining. B. After 30 hours, the tablet will have 0 battery left. C. The tablet will not have any battery remaining after 3 hours. D. The tablet loses 3 percent of battery every hour.
Solving provided question, we can say that equation of slope intercept will be => y - 30 = mx - 3m
what is slope intercept?In mathematics, the intersection point is the place on the y-axis where the slope of the line crosses. a place where the y-axis crosses on a line or curve. Y = mx+c, where m stands for the slope and c for the y-intercept, is used as the equation for the straight line to show this. The slope (m) of the line and its y-intercept (b) are emphasised in the equation's intercept form. When an equation has the intercept form (y=mx+b), the slope is m and the y-intercept is b. Some equations can also be rewritten such that they seem to be slope intercepts. If y=x is rewritten as y=1x+0, for instance, the slope and y-intercept are both changed to 1.
from the provided graph,
the coordinates are (3,30)
equation of slope intercept will be
y - 30 = m(x - 3)
y - 30 = mx - 3m
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Find the inverse of each fuction need help on #8 and nine
#8 is g(x)=2/x-1
#9 f(x)5√x-1+2
The inverse of functions g(x)=2/x - 1 and f(x)= ⁵√(x-1) + 2 are g⁻¹(x) = 2/(x + 1) and f⁻¹(x) = (x-2)⁵ + 1 respectively
How to find the inverse of a function?In mathematics, the inverse function of a function f (also called the inverse of f) is a function that undoes the operation of f.
For g(x)=2/x - 1:
Let g(x) = y
y = 2/x - 1
y + 1 = 2/x
x(y + 1) = 2
x = 2/(y + 1)
Since x = g⁻¹(y)
Thus, g⁻¹(x) = 2/(x + 1) [We just replace y with x]
For f(x)= ⁵√(x-1) + 2:
Let f(x) = y
y = ⁵√(x-1) + 2
y -2 = ⁵√(x-1)
(y-2)⁵ = (x-1)
x-1 = (y-2)⁵
x = (y-2)⁵ + 1
Since x = f⁻¹(y)
Thus, f⁻¹(x) = (x-2)⁵ + 1
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The rectangular floor of Ms. Ragan's closet is completely covered with carpet squares. Each carpet square covers 1 square foot of the floor. There are 4 rows and each row has 16 carpet squares. What is the area of the floor of this closet in square feet?
The area of the rectangular closet is given by the equation A = 64 feet²
What is the Area of a Rectangle?The area of the rectangle is given by the product of the length of the rectangle and the width of the rectangle
Area of Rectangle = Length x Width
Given data ,
Let the area of the rectangular closet be represented as A
Now , the equation will be
The area of 1 carpet square = 1 foot²
The number of rows = 4 rows
The number of carpet square in each row = 16 carpet squares
So , the total number of carpet squares in 4 rows = number of rows x number of carpet square in each row
Substituting the values in the equation , we get
The total number of carpet squares in 4 rows = 16 x 4 = 64 carpet squares
So , the area of 64 carpet squares = 64 x area of 1 carpet square
Substituting the values in the equation , we get
The area of the rectangular closet A = 64 feet²
Hence , the area of the rectangular floor is 64 feet²
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Savings account A and savings account B both offer APRS of 5%, but savings
account A compounds interest quarterly, while savings account B
compounds interest semiannually. Which savings account offers the higher
APY?
Savings account B offers a higher APY of 5.25%, compared to the 5.13% offered by savings account A.
What do you mean by interest?Interest is a fee charged by a lender to a borrower for the use of money. It represents the cost of borrowing money and is typically expressed as a percentage of the loan amount. Interest is paid over a period of time and is calculated based on the principal amount of the loan, the interest rate, and the length of the loan term.
Simple interest is calculated only on the principal amount of the loan, while compound interest is calculated on both the principal and the accumulated interest over time. Compound interest results in a faster growth of the loan balance compared to simple interest.
APY (Annual Percentage Yield) is the effective annual interest rate, taking into account the frequency of compounding. It can be calculated as follows:
APY = (1 + (APR / n))ⁿ⁻¹
where APR is the annual percentage rate and n is the number of times the interest is compounded in a year.
For savings account A, with a 5% APR and compounding quarterly, n = 4. So,
APY = (1 + (0.05 / 4))⁴⁻¹ = 0.0513 = 5.13%
For savings account B, with a 5% APR and compounding semiannually, n = 2. So,
APY = (1 + (0.05 / 2))²⁻¹ = 0.0525 = 5.25%
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round to the nearest whole number !
round 53/6 to the nearest whole number
round 203/10 to the nearest whole number
round 73/5 to the nearest whole number
53/6, 203/10 and 73/5 rounded to the nearest whole number are 9, 20 and 15 respectively
How to round numbers to the nearest whole number?Approximation is the process of using rounded values when presenting numerical data and making rough calculations.
The digits 1,2,3 and are rounded down and digits 5,6,7,8 and 9 are rounded up.
The numbers can be rounded to the nearest whole number as follows:
53/6 = 8.83 = 9 (round up)
203/10 = 20.3 = 20 (round down)
73/5 = 14.6 = 15 (round up)
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Solve the inequality. -3x-4 2 x < [?]
???
Answer:
[tex]x < - 2[/tex]
That the answer.
Carlos tried to shade all the factors of 30 on the hundred chart, but he made a mistake.
1 3 5 15
What mistake did Carlos make?
On solving the provided question, we can say that all the factors of 30 on the hundred chart are = 1,2,3,5,6,10,15,30 and mistake he made was he didn't mark = 2,6,10,30
What is factor ?In mathematics, the integer m serves as the divisor (also known as factor n) of an integer n, which may be multiplied by the integers to get n. We may also state that n in this situation is a multiple of m. A number without a residue that divides another number is said to be a factor. In other words, if you multiply two integers to create a product, the numbers you multiply are factors of the product since the result is divisible by the numbers you multiply. Factors can be found using either division or multiplication.
all the factors of 30 on the hundred chart are = 1,2,3,5,6,10,15,30
mistake he made was he didn't mark = 2,6,10,30
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