Starting with the provided assertions, a flow proof arranges statements in a logical order.
Define the term flow proof?A mathematically formatted proof known as a "flow proof" uses logic to back up a truth assertion.
A proof will always be a series of assertions that ultimately to a conclusion in mathematics. One or more supplied statements are presented to start a proof. Until the intended conclusion is reached, the given statement is followed by subsequent statements. A chain of statements needs to be logically substantiated for each statement. The statements are verified by comparison to mathematical definitions, properties, and theorems.Thus, opening with the provided assertions, a flow proof arranges statements in a logical order. Arrows are being used to show the sequence of the assertions, and each assertion has its justification stated beneath it.
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Suppose you are designing a cardboard box that must have a volume of 18 cubic feet. The cost of the cardboard is $6 per square foot. How much will the material for each box cost?
Answer:
I think its 108 each Box is going to cost 108
What is the value of x?
Thank you.
Answer:
x would be 3 by 2
I am 90% sure but I hope this helps!
Ashley and Laura are 60 miles apart, traveling towards each other. If Laura travels 12 mph
and Ashley travels 8 mph how long until they meet?
hours
The time taken by Ashley and Laura to meet each other is 3 hrs
Relationship Between Time, Speed & Distance:The speed of an object tells us how slow or fast an object moves. The formula for speed is given below
Speed = Distance/TimeThe speed of an object is directly proportional to Distance and Inversely proportional to Time. Hence,
Distance = Speed X TimeHere we have,
Ashley and Laura are 60 miles apart, traveling toward each other
This means the distance between Ashley and Laura is 60 miles
Speed of Laura = 12 mph
Speed of Ashley = 8 mph
Let us assume that Both Ashley and Laura meet after t hours
Then
The distance traveled by Laura in t hours = 12 mph × t hrs = 12t m
The distance traveled by Ashley in t hours = 8 mph × t hrs = 8t m
As we know the distance between Laura and Ashley is 60 miles
=> 12t m + 8t m = 60 miles
=> 20t miles = 60 miles
=> t = 60/20
=> t = 3hrs
Therefore,
The time taken by Ashley and Laura to meet each other is 3 hrs
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b) Write 13 x 10 in standard form.
Answer:
130 in standard form
100+30 in expanded form
Step-by-step explanation:
standard from is writing the sentence in a number fro example
three hundred seventy two is writen as 372 in standard for
expanded form is 300+70+2
Answer:
130 in standard form
In expanded form is100+30=1300
Step-by-step explanation:
For further example 4236
In standard form is 4236
In expanded form is 4000+200+30+6=4236
1.3 x 10 to the power of negative 3
Answer:
The answer to this problem is 0.0013.
4
The height of a cone is two times its base diameter. What is the volume of the cone in terms of its base radius r
The volume of cone will be [tex]\frac{88r^{3} }{21}[/tex]
Cone:
A cone is a three-dimensional geometric shape that tapers smoothly from a flat base.
Given,
The height of a cone is two times its base diameter.
we have to find the volume of cone in terms of base radius.
let us assume the base radius of cone is equal to r units
so diameter(d) of cone will be, d= 2r units
so,
height(h) of cone will be equal to, h = 2d units
h = 2x2r units
h = 4r units
We know,
Volume of the cone(V) = [tex]\pi r^{2} h/3[/tex]
Where,
r = radius of base
h = height of cone
π = 22/7
Thus by using formula,
Volume of cone(V) = [tex]\pi r^{2} h/3[/tex]
= 22/7 * [tex]r^{2}[/tex] * 4r/3
= 88[tex]r^{3}[/tex]/21
= [tex]\frac{88r^{3} }{21}[/tex]
Hence,
The volume of cone will be [tex]\frac{88r^{3} }{21}[/tex]
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A store is having a sale on chocolate chips and walnuts. For 3 pounds of chocolate chips and 2 pounds of walnuts, the total cost is $14. For 5 pounds of
chocolate chips and 6 pounds of walnuts, the total cost is $28. Find the cost for each pound of chocolate chips and each pound of walnuts.
Cost for each pound of chocolate chips: $
Cost for each pound of walnuts: $
Cost for each pound of chocolate chips is equal to $3.5.
Cost for each pound of walnuts is equal to $1.75
How to determine the cost for each pound of chocolate chips and each pound of walnuts?In order to solve this word problem, we would assign variables to the cost for each pound of chocolate chips and each pound of walnuts respectively, and then translate the word problem into algebraic equation as follows:
Let the variable c represent the amount of cost for each pound of chocolate chips.Let the variable w represent the cost for each pound of walnuts.For 3 pounds of chocolate chips and 2 pounds of walnuts, we have:
3c + 2w = 14 .....equation 1.
For 5 pounds of chocolate chips and 6 pounds of walnuts, we have:
5c + 6w = 28 .....equation 2.
Solving the system of equations by using the elimination method, we have:
3 × (3c + 2w = 14) = 9c + 6w = 42
5c + 6w = 28_
4c = 14
c = 14/4
c = $3.5
For the cost for each pound of walnuts, we have:
3c + 2w = 14
3(3.5) + 2w = 14
10.5 + 2w = 14
2w = 14 - 10.5
2w = 3.5
w = 3.5/2
w = $1.75.
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How long will Suban need to leave a $10 000 investment in the bank at 5% per
year simple interest for it to grow to $15 000?
a. 10 years c. 5 years
b. 100 years d. 50 years
Suban need to leave $10000 investment in the bank at 5% per year simple interest for 10 years so that it grows to $15000
According to question,
Principal (P) = 10,000
Rate of interest (I) = 5%
Interest = Amount - Principal
= 15000 - 10000
= 5000
We need to find the number of years
T = ?
Interest = P * R * T / 100
5000 = 10000 * 5 * T / 100
T = 10 years
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What is the value of 3b - 2 when b = 5?
Answer:
13
Step-by-step explanation:
if b = 5, then 3(5) - 2 = 15 - 2 = 13
55555555555555555555555555555555555555555555555555555555555555555555555555x0
Answer:
Step-by-step explanation:
Ok:
1. Anything times zero always equals zero.
So: 55555555555555555555555555555555555555555555555555555555555555555555555555x0=
Answer:0
what is the equation and solution please?
Answer:
y=3x+1
y=-17
Step-by-step explanation:
y=3x+1
7=3(2)+1
7=6+1
7=7
y=3(-6)+1
y=-18+1
y=-17
Hopes this helps please mark brainliest
Determine the domain and range of the following parabola. f(x)=−3x2−30x−74
Step-by-step explanation:
1. if to rewrite the given equation, then
y= -3(x+5)²+1;
2. the vertex of the parabola is (-5;1) and it is the highest point. Then
3. domain: x is any value, x∈(-∞;+∞);
range: y not greater than 1, y∈(-∞;1].
For the parabola f(x) = -3x² - 30x - 74, the domain is all real numbers (-∞, ∞), and the range is also all real numbers (-∞, ∞).
To determine the domain and range of the given parabola f(x) = -3x² - 30x - 74, we need to understand the behavior of parabolas.
The domain of a function represents all the possible x-values for which the function is defined. In this case, there are no restrictions on the x-values for the given quadratic function. Therefore, the domain is all real numbers, expressed as (-∞, ∞).
The range of a function represents all the possible y-values that the function can produce. For a parabola, if the coefficient of the squared term (in this case, -3) is negative, the parabola opens downward. Since the coefficient is negative, the parabola will have a maximum value. In this example, there is no minimum or maximum specified; thus, the range will also be all real numbers.
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The edge of a cube is measured to be 20 inches. If the measurement is to be correct to within 1/10 inch, use differentials to find the error in the volume of the cube.
The error in the volume of the cube is gotten as; ±120 in³
What is the volume error?
In this type of situation, there could be maximum error, relative error and percentage error.
The maximum error is gotten by differentiating the volume equation.
The relative error is gotten by dividing the change in volume by the volume likewise change in length.
The percentage error is just converting the relative error to percentage. Thus;
Thus;
Volume of a cube is given by the formula;
V = x³
dV/dx = 3x²
dV = 3x²(dx)
We are given dx = 1/10
Thus;
dV = ±(3 * 20² × (1/10))
dV = ±120 in³
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Determine which set of side measurements could be used to form a triangle.
8, 14, 20
7, 8, 15
2, 19, 22
1, 4, 8
The set of side measurements that could be used to form a triangle are 8, 14, 20.
How can the set of side measurements be identified?The concept that will be used is the concept of triangle inequality theorem.
To know if the given 3 side lengths are a triangle, then the use of the triangle inequality theorem comes into play.
This rule tells us that when we sum 2 sides of a triangle the value must be greater than the third side.
Then this rule can be applied as
The first option; 8, 14, 20
a+b>c = 8+14>20
a+c>b = 8+20>14
b+c>a = 20+14>8
Therefore, first option is correct.
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Indicate in standard form the equation of the line passing through the given points, writing the answer in the equation box below. E(–2, 2), F(5, 1)
Answer:
dd
Step-by-step explanation:d
Answer:
Step-by-step explanation:
a0 - x-y=3
If the function f(x) is thje absolute value of 3 more than the value of x. Select all the true statements. A. The x-intercept of the function is 3.
The absolute value function is represented by f(x) = |x+3| and the
x-intercept of the function is -3.
The function is represented as absolute value of 3 more than x.
hence the function 3 more than x is given by
f(x)=x+3
Now for absolute function:
f(x)=|x+3|
The graph of the function will have no negative value for f(x).
The graph will pass through the point (0,3) which is the y-intercept.
The x-intercept is at (-3,0) .
The domain of the function is all real vales of x.
The range of the function is (0,∞)
The parent function is given by y=|x| .
An procedure that establishes the absolute value of a number or variable is known as a modulus function. It produces the variable count's size.
It is also known as an absolute value function. No matter what input was given to this function, a positive result is always the result.
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What is the equation of a circle with a center at (-4, 0)
that passes through the point (-2, 1)?
O x² + (y + 4)² = √√5
O (x-1)² + (y + 2)² = 5
O (x + 4)² + y² = 5
O (x + 2)2 + (y - 1)² = √5
The equation of a circle with a center at (-4, 0) that passes through the point (-2, 1) is (x + 4)² + y² = 5. Option C is correct.
The standard equation of a circle is given by:
(x – h)² + (y – k)² = r²
Where (h, k) is the center of the circle and r is the radius.
We are given:
The circle has a center at (–4, 0) and passes through the point (–2, 1).
Substitute (h, k) with (–4, 0) in the above equation, we will get;
(x – (-4))² + (y – 0)² = r²
(x + 4)² + y² = r²
Substitute (x, y) with (–2, 1) in the above equation to get the value of r:
(-2 + 4)² + 1² = r²
(2)² + 1² = r²
r² = 5
Put the value r² = 5 in (x + 4)² + y² = r², we will get;
(x + 4)² + y² = 5
So, the equation of the circle is (x + 4)² + y² = 5.
Thus, the equation of a circle with a center at (-4, 0) that passes through the point (-2, 1) is (x + 4)² + y² = 5. Option C is correct.
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The first three terms of a sequence are given. Round to the nearest thousandth. 10, 5, 5/2. Find the 6th term
Answer:
5/16
Step-by-step explanation:
This is a geometric sequence
aₙ=a₁*rⁿ⁻¹
a₆=10*.5⁶⁻¹
a₆=10*.5⁵
a₆=10*(1/2)⁻⁵
a₆=10*1/32
a₆=10/32=5/16
Which rule applies to this equation? (6)(3 π) = 18 π
Rational x Irrational = Rational
Rational x Irrational = Irrational
Rational x Rational = Rational
Irrational x Irrational = Irrational
Answer:
Rational x Irrational = Irrational
Step-by-step explanation:
6 is a rational number. It can be written as an integer over and integer [tex]\frac{6}{1}[/tex]
[tex]\pi[/tex] is irrational. This is a number that never repeats or terminates, so it can not be written as an integer over and integer.
Answer: Choice B
Rational x Irrational = Irrational
==============================================
Reason:
6 = a rational number
3pi = an irrational number
18pi = an irrational number
Anything involving pi is irrational. The value 6 is rational because 6 = 6/1.
pi is irrational since we cannot write it as a ratio of two integers. We can get approximations like 22/7, but we can't nail down the exact value of pi with a fraction.
The radius of a hula hoop is 15in what is the area of a hula hoop in terms of pi
The area of the hula hoop is equal to 450π square inches.
What is the area of a hula hoop?
A hula hoop is a toy with the form of a circle, whose area (A), in square inches, has to be found. The area of a circle is described by the following formula:
A = 2π · R²
Where R is the radius of the hula hoop, in inches.
If we know that R = 15 inches, then the area covered by the hula hoop is:
A = 2π · (15 in)²
A = 450π in²
The area is equal to 450π square inches.
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IXL Please Help Fast!
The lines which are skewed in the rectangular prisms shown are Line QT (↔QT) and Line WX(↔WX).
What is skew in geometry?
This refers to two lines that do not cut across (intersect) each other and are not parallel to each other. the pair of lines must also be opposite edges of the shape. The lines are not also lying or acting in the same plane. i.e non-coplanar.
How to identify skew lines?
a) Locate lines that do not intersect each other.
b)Find out if these pairs of lines are also not parallel to each other.
c) Examine if these non-intersecting and non-parallel lines are non-coplanar.
If yes then the chosen pair of lines are skew lines.
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I really do not understand these questions at all watched a video and attempted it still got it wrong
Answer:
540 cm₂
Step-by-step explanation:
Area of right triangular prism:[tex]\sf \boxed{Area = (b_1+b_2+b_3)*l + bh}\\\\[/tex]
[tex]\sf \text{where $b_1$, $b_2$ and $b_3$ are the sides of the triangle l is the length of the rectangle}\\\\ \text{and b is the base of the triangle and h is the altitude of the triangle}[/tex]
b₁ = 12 cm ; b₂ = 5 cm ; b₃ = 13 cm
l = 16 cm ; b = 12 cm and h = 5 cm
Area = (12 + 5 + 13)*16 + (12*5)
= 30*16 + 60
= 480 + 60
= 540 cm²
brainliest if you’re correct !!!
thanks :)))))))
Angle BCD is the same as angle FGH which is 122
Step-by-step explanation:
congruent means that they have the same angles.
so, the angle BCD = 122
Add vegetable stand a person can buy two bags of apples and two bags of potatoes for $11 at a farmers market the same person by two bags of apples and three bags of potatoes for $13 assuming the prices are the same what is the price of each bag of apples in each bag of potatoes use the matrix equation to solve the system of equations
The price of each bag of apples is $3.5 and price of each bag of potatoes is $2.
Given:
a person can buy two bags of apples and two bags of potatoes for $11 at a farmers market the same person by two bags of apples and three bags of potatoes for $13.
Let x be the apples and y be the potatoes.
2x + 2y = 11
2x + 3y = 13
on solving:
2x + 2y - 2x - 3y = 11 - 13
2y - 3y = -2
-y = -2
y = 2
2x + 2y = 11
2x + 2*2 = 11
2x + 4 = 11
2x = 7
x = 7/2
x = 3.5
Therefore The price of each bag of apples is $3.5 and price of each bag of potatoes is $2.
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Answer:
Apples cost $3.50, potatoes cost $2.
Step-by-step explanation:
If you only add one bag of potatoes and the price jumps two dollars, then the potatoes cost two dollars each. We can substitute this into the equation, which can be solved to find apple price.
Find the y-coordinate of the y-intercept of the polynomial function defined below.
f(x) = 3 + 5x² + 4x^4 - 3x³ - 6x
Answer:
3
Step-by-step explanation:
When you substitute 0 in for x in the equation. You are left with f(0) = 3.
f(x)=−x 2 −2x+3 \text{Find }f(1) Find f(1)
Hi photo is below! Please explain how you got your answer thank you
Answer:
38.88in²
Step-by-step explanation:
Area of shaded region = Area of square - Area of semi circle
First lets find the area of the square and semi circle
Area of square = s²
Where s = side length
Here we have a given side length of 8in
So s = 8
This means area = 8² = 64in²
Area of semicircle = (πr²)/2
Where r = radius
Here, the side length of the square and the diameter of the semicircle is shared meaning they are congruent. This means the diameter of the semicircle = 8in
To convert from diameter to radius we simply divide by 2
So radius = 8 / 2 = 4
Now we have Area = (πr²)/2
==> plug in r = 4 and π = 3.14
Area = (3.14(4)²))/2
==> simplify exponent
Area = (3.14(16))/2
==> multiply 3.14 and 16
Area = 50.24/2
==> simplify division
Area = 25.12in²
Area of shaded region
We now subtract the two areas
Area of shaded region = Area of square - Area of semi circle
Area of square = 64in² and Area of semicircle = 25.12in²
Area of shaded region = 64in² - 25.12in² = 38.88in²
Michelle sells new and used kayaks. She makes a 10.5% commission on every kayak she sells and she also gets paid $495.50 per week.
a) Develop an equation for the way Michelle is paid.
b) Last month, the total value of the kayaks she sold was $19 425. Use the equation you’ve developed to find out how much Michelle was paid for that month.
Part a
The equation for the way Michelle is paid is
Total weekly payment y = 495.50 + 0.105x
Part b
The total payment in a month = $4021.625
She makes a 10.5% commission on every kayak she sells
Consider the total value of kayaks she sold = x
The rate of commission = 10.5%
The amount of commission = x × (10.5/100)
= 0.105x
The weekly fixed payment = $495.50
Total weekly payment y = 495.50 + 0.105x
Part b
The total value of the kayaks she sold = $19425
Total number of weeks in a month = 4
Then the total payment in a month = (4 × 495.50) + (0.105×19425)
= 1982 + 2039.625
= $4021.625
Hence,
part a
The equation for the way Michelle is paid is
Total weekly payment y = 495.50 + 0.105x
Part b
The total payment in a month = $4021.625
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y is directly proportional to x3 When x = 10, y = 250
(a) Find a formula for y in terms of x.
The formula for y in terms of x is a cubic equation:
y = 0.25*x³
How to find the relation between x and y?We know that y is directly proportional to x³, then we can write the equation:
y = k*x³
Where k is the constant of proportionality.
In this case, we know that when x = 10, the value of y is 250, then we can replace these values in the above equation to find the value of x:
250 = k*10³
250 = k*1,000
Dividing both sides by 1,000 we get:
250/1,000 = k
0.25 = k
Then the equation is:
y = 0.25*10³
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Does anyone know what the Answer is...
45 ÷ ? = 8
Answer:
Step-by-step explanation:
Instead you do 45 divided by 8
And you will get 5.625