With the aid of subjective judgment, we can describe the number of girls as; A. The number of girls is significantly low.
How to interpret subjective judgement?Subjective judgement is simply defined as something that is subjective is based on personal opinions and feelings rather than on facts.
Now, we are told to assume that 600 births are randomly selected and 26 of the births are girls.
Now, we see that the total number of births are assumed as 600.
Now, since only 26 of that size are seen to be girls, then it means that;
Percentage that are girls = (26/600) * 100 = 4.33%
Thus, using subjective judgement we see that the percentage that are girls is so low that it is even lower than 5%. Thus, we can say that The number of girls is significantly low.
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The longest side of a triangle must be less than the sum of the other two sides.
Suppose a triangle is made up of lengths 2 inches, 5 inches and L. inches, where L is the longest side.
Describe the solution set for all possible side lengths for L verbally and graphically.
The solution set for all possible side lengths for side L is;
⇒ L < 7
What is Triangle?
A triangle is a three sided polygon , which has three vertices and three angles.
Given that;
The longest side of a triangle must be less than the sum of the other two sides.
Suppose a triangle is made up of lengths 2 inches, 5 inches and L. inches, where, L is the longest side.
Now, By the given condition;
''The longest side of a triangle must be less than the sum of the other two sides.''
We can formulate;
L < 2 + 5
L < 7
So, The solution set for all possible side lengths for side L is;
⇒ L < 7
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Which of the ten basic functions in
our toolkit are decreasing on the
interval (-∞, 0)?
15,0
Step-by-step explanation:
You've learned about linear, quadratic, and exponential functions.
How can you tell the difference between each type of function just by looking at the equation?
Describe a real world situation that can be represented by each type of function.
We can tell the difference among linear, quadratic, and exponential functions just by looking at equation as Exponent functions are rapidly increasing or decreasing, and the highest power of variable for a linear function is 1. The highest power of variable for a quadratic function is 2.
Linear functions are functions that are used to model phenomena that increase or decrease at a constant rate. These types of functions are polynomial functions with a highest exponent of one on the variable. The graphs of these functions are in the shape of a straight line.
Exponential functions are functions that have the variable in the exponent. They increase or decrease slowly then quickly or quickly then slowly.
Quadratic functions are the functions that have the highest power of variables equal to 2.
For example,
Linear Equation : The population of a family of rabbits starts with 2 rabbits and doubles every month.
Expoential Equation : Compound interest is example of exponential function.
Quadratic Equation : When you throw a ball (or shoot an arrow, fire a missile or throw a stone) it goes up into the air, slowing as it travels, then comes down again faster and faster and a Quadratic Equation tells you its position at all times!
Therefore, we can conclude that linear function have highest power of variable as 1 , exponent functions are quickly increasing or decreasing, Quadratic functions have the power of variables equal to 2.
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The depth of water in a tank thats in the shape of a rectangular prism is inversely proportional to the area of its base if the tanks volume is kept constant. if the area of the tanks base is 200 square feet, the depth of the water in the tank is 12 feet. which pair of statements best describe this situation
The relationship between the depth(d), the base area (b) and volume (V) is d = 2400/b
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Equations are classified based on degree (value of highest exponents) as linear, quadratic, cubic and so on. Variables can be dependent or independent. Dependent variables depend on other variable while an independent variable do not depend.
Let d represent the depth of the tank, b represent the area of the base and V represent the volume.
The depth of water is inversely proportional to the area of its base at constant volume. Hence
d = V/b
When b = 200 ft² and d = 12:
12 = V/200
V = 2400
d = 2400/b
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please help im struggling
Label the points, lines, and planes to show Line AB and line m perpendicular to each other in plane S at point B, plane S intersecting plane R in line p, and Line AB both perpendicular to line p and intersecting line n at point A.
The labelled points on the intersected planes shown in the attachment are;
1) Lines AB and m are both coplanar on plane S and are perpendicular to each other intersecting at point B
2) Plane R and plane S intersect on line p
3) Line AB and line p are perpendicular to each other and both intersect with line n at point A
How to label intersecting planes?We want to label the points, lines, and planes showing the following;
Line AB and line m perpendicular to each other in plane S at point B.
Plane S intersecting plane R in line p.
Line AB both perpendicular to line p and intersecting line n at point A.
Therefore, the given parameters are;
1) Lines AB and m are both coplanar on plane S and are perpendicular to each other intersecting at point B
2) Plane R and plane S intersect on line p
3) Line AB and line p are perpendicular to each other and both intersect with line n at point A
The diagram showing the labelled points is as attached.
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Find area of the figure. Round your answer to nearest hundredth and use 3.14
Answer
Area of the figure = 105.12 ft²
Explanation
The figure shown is a combination of a rectangle with length 10 ft. and width 8 ft., with a semicircle that has diameter 8 ft., which translates to a radius of 4 ft.
The area of the figure = (Area of the rectangle) + (Area of the semicircle)
Area of rectangle = L × W
L = Length = 10 ft.
W = Width = 8 ft.
Area of the rectangle = 10 × 8 = 80 ft²
Area of semicircle = Half of the area of a circle = ½ × πR²
π = pi = 3.14 (According to the question)
R = Radius of the semicircle = 4 ft.
Area of semicircle = ½ × 3.14 × 4² = 25.12 ft²
Area of the figure = 80 + 25.12 = 105.12 ft²
Hope this Helps!!!
Zevel overheard Bradley say he got a 66% on the last test. If Zevel only got one-third whatBradley got, what is Zevel's score?
Let the total marks are 100.
And Bradely got 66% marks.
So the marks of Bradely are:
[tex]\begin{gathered} M_B=\frac{66}{100}\times100 \\ M_B=66 \end{gathered}[/tex]And Zevel got one third of Bradely's marks so:
[tex]\begin{gathered} M_Z=\frac{1}{3}M_B \\ M_Z=\frac{1}{3}\times66 \\ M_Z=22 \end{gathered}[/tex]7. Find the perimeter of an isosceles triangle whose base is 6 cm and two equal sides are 7.5 cm.
8. Perimeter of a regular nonagon is 99 cm, its side will be
9. Find the cost of fencing a square park with 4 rows of wires at the rate of Rs. 15.75 per metre, if
the side is 350 m long.
10. What is the length of wooden strip required to frame a photograph of length 33 cm and breadth
19 cm.
11. A wire 1m 68 cm long is cut into two pieces. One piece is used to make a regular hexagon and
the other is used to make a regular pentagon. Find the difference in the length of the pentagon and
hexagon formed.
12. The perimeter of a rectangular garden is 190 m and breadth is 10.5 m. Find the length and area
of the garden.
13. Compare the areas of: a) square of 25.4 cm b) rectangle of 15 cm and 12.5 cm
Also study Solved examples 3, 4 from page 67,
Examples 2, 3, 4 from page 62
The perimeter of the isosceles triangle whose base is 6 cm and two equal sides are 7.5 cm is 21 centi-meters.
What is isosceles triangle?
An isosceles triangle in geometry is one with at least two equal-length sides. It can be stated as having exactly two equal-length sides or at least two equal-length sides, with the latter definition containing the equilateral triangle as an exception. The isosceles right triangle, the golden triangle, the faces of bipyramids, and some Catalan solids are all examples of isosceles triangles.
To calculate the perimeter of isosceles triangle, we use equation:
Perimeter = Base + 2(Two equal side)
Perimeter = 6 + 2(7.5)
Perimeter = 21 cm
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shape J is reflected in the line y=x and then translated. The result is shape K. a) what is the vector that describes the translation? b) if shape J was first translated and then reflected in the line y=x to give shape K, what would the vector be that describes that translation?
Using transformations, the vector that describes the translation that J underwent is:
(x,y) -> (x - 1, y + 2).
Which rules model these transformations?The vertices of the transformed figure K are given as follows:
(4,0), (6,0), (6,-1), (5,-1), (5,-2), (4,-2).
The rule for a reflection about the line y = x is given by:
(x,y) -> (y,x).
Hence, taking the vertices of figure K, the vertices of the translated figure were given by:
(0,4), (0,6), (-1,6), (-1,5), (-2,5), (-2,4).
The vertices of the original figure J are given as follows:
(1,2), (1,4), (0,4), (0,3), (-1,3), (-1,3).
Hence the vector rule from J to the translated figure is given as follows:
(x,y) -> (x - 1, y + 2).
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What is an equation of the line that passes through the point (-1, 4) and is
parallel to the line x + y = 4?
The equation of the line is y = -1x + 3.
what is parallel lines?Parallel lines are any two or more lines that all lie in the same plane and never cross one another. They are equally spaced apart and have the same incline. In this essay, let's study more about parallel lines. No matter how far we extend a parallel line, it will never meet another parallel line.
The slope so rewrite the equation for the line as y = -x + 1.
The equation in “y = mx + b” form, the slope is always the number m in front of x.
The slope is -1.
First, by using “y = mx + b” form,
we know m is -1 so only need b.
To get b, plug in the (x, y) coordinates for the point (-1, 4)
(4) = -1×(-1) + b.
The y-coordinate 4 on the left side, and the x number -1 on the right.
b = 3.
Therefore, the equation of the line is y = -1x + 3.
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i need help please.......................................................
Answer:
252558855555335555422358236
Answer:
[tex]y=\frac{-1}{4}x+2[/tex]
Step-by-step explanation:
The function can be written in point-slope form following this equation:
[tex]y=m(x-x_{0} )+y_{0}[/tex]
where y and x are variables, and [tex]x_{0}[/tex] and [tex]y_{0}[/tex] are x and y values of any chosen point on the curve (line)
m (slope) can be calculated by the equation [tex]m=\frac{y_{2}-y_{1} }{x_{2}-x_{1}}[/tex] where you need to find 2 chosen points on the line where [tex]x_{1}[/tex] and [tex]y_{1}[/tex] are the x and y values of the first set, and [tex]x_{2}[/tex] and [tex]y_{2}[/tex] are the x and y values of the second set.
solve for m and we get [tex]-\frac{1}{4}[/tex]
Plug it into the equation with any set of x and y values on the line into the point-slope form equation, then you get the answer
ben bowled 157 and 193 in his first two games. what must he bowl in his third game to have an average of at least 160?
Ben must bowl 130 in his third game so that the average will be of at least 160.
Given that, Ben bowled 157 and 193 in his first two games. So, we have to calculate the average of his third bowl to have an average of at least 160.
Let the average of third bowl be x.
The average is known as the arithmetic mean which is the sum of all numbers in a collection, divided by the count of the numbers present in the collection. In other words, the average is the ratio of the sum of all given observations to the total number of observations. Hence, the average formula is:
Average = Sum of the Observations/Number of Observations
160 = 157+193+x/3
⇒ 160×3 = 157+193+x
⇒ 480 = 350+x
⇒ 480-350 = x
⇒ 130 = x
Therefore, Ben must bowl 130 in his third game so that the average will be of at least 160.
Hence, 130 is the required answer.
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Apple has created a new i-Pad. There are 4 choices for memory size (M), 8 choices for color (C) and 3 apps (A) to select when you purchase the product. From the options below what is the ONLY option the customer can select?
It is to be noted that the ONLY option that the customer can select from when purchasing the product is "(M2, C2, A3)" Option C.
The above exercise is a test of logic, as it is with a simple calculation.
What is logic in Maths?The study of formal logic within mathematics is known as mathematical logic. Mathematical logic research frequently focuses on the mathematical aspects of formal logic systems, such as their expressive or deductive capability.
Hence, from the above, we can see that:
Option (a) contains four App alternatives, which is not feasible. Option (b) contains nine color options, however, only eight are available. This is also not feasible.Option (d) contains eight App options, but only three are available. Hence this is not possible.Learn more about logic:
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Full Question:
Apple has created a new i-Pad. There are 4 choices for memory size (M), 8 choices for color (C) and 3 apps (A) to select when you purchase the product. From the options below what is the ONLY option the customer can select?
(M1, C2, A4)
(M1, C9, A3)
(M2, C2, A3)
(M4, C2, A8)
7 over 8 subtracted by 1 over 12
find the value of y 18y+5
Answer:
y=13
Step-by-step explanation:
The line below is the function y=2x-1. Identify the equation of a parallel line
The equation of parallel line is y = 2x + 3
Given,
The line below is the function y=2x-1.
From the figure,
Identify the equation of a parallel line.
Now, According to the question:
We are given that line a represented by the equation
y = 2x -1
and, We know that
Slope- intercept form of line is given by
y = mx + c
Where m=Slope of line a
c = y- intercept
Comparing it with the given equation then, we get
Slope of line a = 2
We know that
When two lines are parallel then their slopes are equal.
Hence, Option (b) slope is equal to the given function
It means, y = 2x - 1 and y = 2x +3
Value of slope m = 2 = 2
Hence, The equation of parallel line is y = 2x + 3
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4. ALGEBRA Jim Russo deposited into his savings account
a check for $536.75, a check for $347.50, and a third check.
His total deposit was for $1,253.25 after he received $75.00
in cash. What was the amount of the third check deposited?
A recent report at a particular college said that 5476 students are taking math this semester, which represents 79% of the student population.
How many students attend this college?
Round answers to the nearest whole number as needed.
Answer: 6931
Step-by-step explanation:
79% of all students are taking math this semesters. So there is an additional 21% of students not taking math.
5476/x = 79/100
cross multiply and divide to get the total number of students.
5476 x 100 = 547600
547600 divided by 79 = 6931
check 5476 divided by 6931 = 79%
Further proof of correct answer:
21% of 6931 = 1455
1455 + 5476 equals 6931, so the answer calculated is correct.
A paralegal bills a law firm for 15.5 hours of work at a rate of $120 per hour. How much money has the paralegal earned from this job? Include units in your answer.
b) The paralegal splits her earnings between utilities and savings in a ratio of 2 ∶ 3. How much money will be allocated to her savings?
The amount paralegal earned from the job is 1860 dollars.
The amount allocated for savings is 1116 dollars.
How to find the earnings of paralegal?Paralegal bills the law firm for 15.5 hours of work at a rate of $120 per hour.
Therefore, the law firm have to pay paralegal 120 dollars for every hour worked.
Therefore,
the amount earned by paralegal = 15.5 × 120
the amount earned by paralegal = 1860 dollars
Paralegal splits her earnings between utilities and savings in a ratio of 2 ∶ 3.
Therefore, let's find the amount of money allocated for her savings.
amount allocated for savings = 3 / 5 × 1860
amount allocated for savings = 5580 / 5
Therefore,
amount allocated for savings = 1116 dollars
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A car consumes 110 litres of fuel withira a distance of 250km What is the rate of fuel consumption in km/L?
If a car consumes 110 liters of fuel with in a distance of 250 km, then the rate of fuel consumption is 2.5 km/liter
The distance travelled by the car with 110 liters of fuel = 250km
To find the rate of fuel consumption we have to apply the unitary method
The distance travelled by the car with 1 liters of fuel = The distance travelled by the car with 110 liters of fuel /110
Substitute the values in the equation
The distance travelled by the car with 1 liters of fuel = 250/110
= 2.5 km
So a car consumes 1 liters of fuel to cover 2.5 km
The rate of fuel consumption = 2.5 km/liter
Hence, if a car consumes 110 liters of fuel with in a distance of 250 km, then the rate of fuel consumption is 2.5 km/liter
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100 POINTS!
You want to buy a newest gaming system, which costs $500. In addition, you want to be able to buy the accessories that go with it (e.g., controllers, games, headset, etc.). You already have $150 saved up from your birthday but decide to ask your neighbors if you could wash their dogs to earn more money. You charge $10 per dog.
How many dogs must you wash before you have enough money to buy the gaming system and additional accessories?
Write an equation or inequality to represent the situation. Then solve for your variable [show all steps].
Write a mathematical expression to represent the sentence: “You charge $10 per dog.”
Write a complete sentence that explains what your solution means in terms of the video game system situation.
Assuming the system costs exactly $500 (ignoring taxes), how much extra money would you be able to spend on accessories if you washed 60 dogs? Explain and show your work to justify your answer.
The inequality that represents having enough money to buy the gaming system is x ≥ 35.
The mathematical expression that represents the sentence " you charge $10 per dog" is x = 10 where x is the number of dogs.
x ≥ 35 means that the minimum number of dogs to wash is 35 to make $500.
What is inequality?It is a statement of an ordered relationship
- greater than,
- greater than or equal to,
- less than,
- less than or equal to between two numbers or algebraic expressions.
We have,
The cost of the gaming system = $500
Amount already saved = $150
Charges per dog = $10
The inequality that represents having enough money to buy the gaming system:
150 + 10x ≥ 500
10x ≥ 500 - 150
10x ≥ 350
x ≥ 35 where x is the number of dogs.
The mathematical expression that represents the sentence " you charge $10 per dog ":
x = 10 where x is the number of dogs.
x ≥ 35 means that the minimum number of dogs to wash is 35 to make $500.
Thus,
The inequality that represents having enough money to buy the gaming system is x ≥ 35.
The mathematical expression that represents the sentence " you charge $10 per dog" is x = 10 where x is the number of dogs.
x ≥ 35 means that the minimum number of dogs to wash is 35 to make $500.
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50 POINT HELP FAST LOOK AT THE SCREENSHOT
Answer:
6(3+7)
Step-by-step explanation:
The factors of 18 are 1, 2, 3, 6, 9, 18.
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42.
The greatest common factor is six.
To put it in distributive form, divide both by 6:
6(3+7)
HELP!
lines G and H are parallel.
find the measures of angles 1,2 and 3.
The measure of angle:-
angle 1 = 78 degree
angle 2 = 40 degree
angle 3 = 140 degree
what is triangle ?A triangle is a type of polygon which have only three vertices and no parallel sides.
In this question we use property of triangle that :-
1:- Sum of interior angle is 180 degree
2:-Exterior angle of a triangle is equal to the sum of angle of opposite sides
A.T.Q:-
lets vertices of triangle be A,B, and C
so,
angle A + angle B +angle C = 180
62 +78+ angle C = 180
140 + angle C = 180
angle C =40 degree
we know that , angle C and angle 3 makes 180 degree
angle C + angle3 =180 , 40+ angle 3= 180
angle 3 = 140 degree And , angle 2 = angle C
:- angle 2=40 finally;
angle 1 = angle B
angle 1 = 78 degree
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It's possible to build a triangle with side lengths of 3, 3, and 9.
A. True
B. False
Answer:
true
Step-by-step explanation:
please show all work
What is the mixed number and improper fraction represented in the picture shown below?
? ?
? --------- and ---------
? ?
Answer:
mixed: 2 and 1/4
improper: 9/4
Step-by-step explanation:
The mixed number in picture is [tex]2\frac{1}{4}[/tex] and improper fraction represented in the picture 9/4.
What are fractions?Fractions are the components of a collection or whole. Two parts make up a fraction. The numerator is the number at the top of the line. It indicates the number of equal portions taken from the collection or whole. The number beneath the line is known as the denominator. It indicates the total number of identical parts that make up a collection or the total number of parts that make up the whole.
Given picture shows three circles each are divided in 4 equal parts,
circle 1 and 2 are completely filled it can be counted 1 for each,
1 + 1 = 2
but for third circle only one part is filled out of 4,
it is represented by 1/4
total value of 3 figures is 1 + 1 + 1/4 = 2 + 1/4 = 9/8
and of mixed fraction [tex]2\frac{1}{4}[/tex] .
Hence the mixed fraction [tex]2\frac{1}{4}[/tex] and improper fraction 9/8.
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my dog has a 30%chance of tearing up the trash on a given day and there's a 10% chance of rain tomorrow. What is the chance that my dog tears up the trash and it rains tomorrow
The probability that that my dog tears up the trash and it rains tomorrow is 0.03.
How to illustrate the information?From the information, the dog has a 30% chance of tearing up the trash on a given day and there's a 10% chance of rain tomorrow.
Therefore, the that my dog tears up the trash and it rains will be:
= Probability of tearing up × Probability of rain
= 30% × 10%
= 0.3 × 0.1
= 0.03
The probability is 0.03.
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the inverse of conditional w > ~v
The inverse of the conditional statement w > ~v is ~v < w
What is an inverse statement?An inverse statement is seen as a type of conditional sentence having an immediate change that is made from original statement.
It is known to carry the negation of both the hypothesis and conclusion from the given original statement.
It is known to carry the opposite of the original statement that is given.
An inverse statement is formed by negating the hypothesis and conclusion of a statement.
It is expressed as;
Original statement: If a, then b
Inverse statement: If not b, not a
Given the expression;
w > ~v
The inverse is represented as;
~v < w
Hence, the inverse is ~v < w
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The coordinates of the vertices of the triangle shown are P(2, 13), Q(7, 1) and R(2, 1).
What is the length of segment PQin units?
Answer:
13
Step-by-step explanation:
list 6 geometric principles represented in the picture.
We will have that some of the principles that geometry works with, that are present in the image are:
Length, Area, Volume, Surfaces, Angles & Curves.