Answers
Answer:
1 3/10
Step-by-step explanation:
Related Questions
The freight elevator has the capacity of 3500 pounds if a barrel averages 50 pounds and a crate 140 pounds write an inequality that describes when x barrels and y crates will cause the elevator to be overloaded
Answers
The inequality that describes when x barrels and y crates will cause the elevator to be overloaded is 50x + 140y < 3500.
According to the given question.
Capacity of elevator = 3500 pounds
Average of a single barrel = 50 pounds
capacity of single crate = 120 pounds.
As we know that, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions.
Therefore, the inequality that describes when x barrels and y crates will cause the elevator to be overloaded is given by
50x + 140y < 3500
Hence, the inequality that describes when x barrels and y crates will cause the elevator to be overloaded is 50x + 140y < 3500.
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What is the approximate value of √8
Answers
Answer:
Close to 3 since 8 is close to 9.
The actual value was 2.8, so I approximated what was closest to it using rounding and the most logical explanation.
Hilda has $210 worth of $10 and $12 stock shares. the numbers of $10 shares is 5 more than twice the number of $12 shares. how many of each does she have?
Answers
If Hilda has $210 worth of $10 and $12 stock shares and the number of $10 shares is 5 more than twice the number of $12 shares, then the number of $10 shares and $12 shares she has is equal to 15 and 5 respectively.
The number of $10 shares and $12 shares can be calculated by forming linear equations.
Consider the number of $10 shares to be x and the number of $12 shares to be y.
x = 2y + 5
10x + 12y = 210
Putting the value x = 2y + 5 in the second equation,
10x + 12y = 210
10 (2y + 5) + 12y = 210
20y + 50 + 12y = 210
32y + 50 = 210
32y = 210 - 50
32y = 160
y = 160 ÷ 32
y = 5
Putting y = 5 in the first equation,
x = 2y + 5
x = 2(5) + 5
x = 10 + 5
x = 15
Hence the number of $10 and $12 shares she has is calculated to be 15 and 5 respectively.
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Solve the following system of equations. What is the x -coordinate of the solution?
y-3=x
y/x²-9}=1
Answers
The x-coordinate of the given equation is x=4.
What essentially is an equation?An equation is a mathematical statement composed of two representations joined by an equal sign.An example of an equation is 3x - 5 = 16.After solving this equation, we obtain the value for the variable x as x = 7.
So,
Given:
y-3 = x ...(1)y/x²-9 = 1 ...(2)Then,
y = x+3Substitute y=x+3 in equation (2):
y/x²-9 = 1 x+3/x²-9 = 1 x+3/x²-3² = 1 1/x-3=1(Cross multiply)
x-3=1x=1+3x=4Therefore, the x-coordinate of the given equation is x=4.
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For each function, find the inverse and the domain and range of the function and its inverse. Determine whether the inverse is a function. f(x)=(7-x)²
Answers
Answer to this question is:
Domain of given function is (-∞,∞),{x|x∈R}
Range of given function is [0,∞),{y|y≥0}
Inverse of given function is -√x+7,√x+7
The domain is all values of x that make the expression defined.The entire range of independent variable values is the domain of a function.
This definition can be stated simply as follows: The domain is the collection of all x-values that can be used to make the function "work" and produce actual y-values.
When choosing the domain, keep in mind that a fraction's denominator (bottom) cannot be 0.
Interval Notation:(-∞,∞)
Set-Builder Notation:{x|x∈R}
The set of all valid y values constitutes the range.
Interval Notation:[0,∞)
Set-Builder Notation:{y|y≥0}
For calculation of inverse:
Interchange the variables x=(7-y)²Solve for yy=-√x+7,√x+7Replace y with f^-1(x)f^-1(x)=-√x+7,√x+7∴Domain of given function is (-∞,∞),{x|x∈R}
Range of given function is [0,∞),{y|y≥0}
Inverse of given function is -√x+7,√x+7
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Carl works at a bicycle shop he earns eight dollars for each bicycle tire he repairs and $45 Dollars each week for cleaning the shop which expression shows how much Carl’s earn each week if he repaired X bicycle tires
Answers
T=total
Because 8$ for every bike tire and x would be for however many he repairs and 45 he will get for cleaning the shop
What is the difference between 10 and 5 in variable and verbal expression
Answers
As a verbal expression, the difference between 10 and 5 is 5
What is the difference between 10 and 5 in variable and verbal expression?The numbers are given as
10 and 5
The difference between the numbers is calculated as
Difference = 10 - 5
Evaluate the difference
Difference = 5
The above represents the difference in variable
As a verbal expression, the difference between 10 and 5 is 5
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Write each equation in logarithmic form. 64=4³
Answers
The equation in logarithmic form is log₄(64) = 3
Given the equation is:
64 = 4³
The fundamental logarithmic function has the notation f(x) = log(r) y = log(x), where a > 0. The exponential function a y = x's inverse is represented by this. The common logarithm (log) or natural logarithm (ln) are examples of log functions (log).
Convert the exponential equation to a logarithmic equation using the logarithm base (10)of the right side (0.01) equals the exponent (−2).
A popular method for changing a mathematical equation from one form to another is to transform it from exponential to log form. The exponential form an x = N is translated into the logarithmic form
Log aⁿ= x.The exponent of x, which is equal to N, has the exponential form a to it is converted to the logarithm of a number N to the base of a, which is equal to x.
log₄(64) = 3
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Write each expression in radical form. y⁻⁴/₃
Answers
The radical expression of the term y-⁴/³ is ∛y-⁴ or ∛(1/y⁴).
What is a radical?A radical is a number that is denoted by a root and can be easily identified because before the number is the symbol √, which lets us know that it is a root.
In this case we have an exponential number since it is raised to a number, radicals can be expressed as powers raised to fractions as follows:
√a = a¹/²
If our term is raised to -4/3, it can be expressed as:
y-⁴/³ = y-¹/³ y-¹ = 1/y⁴/³ now we apply.
y⁴/³ = ∛y⁴ and apply to the numerator since it is not altered and we have
y-⁴/³ = ∛(1/y⁴)
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Abby stacked two cube-shaped blocks, as shown below, and plans to paint the figure for an art project.
What is the surface area of the figure if s = 5 inches?
Answers
When Abby stacked two cube-shaped blocks, the surface area of the figure if s = 5 inches is 250 inches²
What is surface area?It should be noted that the surface area of a solid object is a measure of the total area that the surface of the object occupies.
Length (l) = 5 in
Width (w) = 5 in
Height (h) = 10 in
Surface area of figure
= 2 (lw+wh+hl)
= 2 (25 + 50 + 50)
= 2(125)
= 250
Therefore, when Abby stacked two cube-shaped blocks, the surface area of the figure if s = 5 inches is 250 inches²
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-7/10 + 1/5 (please help)
Answers
Answer: 2
Step-by-step explanation:
solve 4- | 2x -1 | = -3 i need it pls help
Answers
The value of x is 3
What are algebraic expressions?Algebraic expressions are expressions made up of variables, terms, factors, constants and coefficients.
They are also made up of mathematical operations like addition, subtraction, multiplication, division, etc
It is important to note that the absolute value of a number takes a positive sign.
It is denoted with the sign ' | | '
Given the expression:
4- | 2x -1 | = -3
First, take the absolute value
4 - 2x + 1 = - 3
collect like terms
2x = -3 - 4 + 1
2x = - 7 + 1
2x = -6
Make 'x' the subject of formula
x = 6/2
x = 3
Thus, the value of x is 3
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How much greater is 40,000 than 4,000
Answers
Answer:
40,000 is 10x greater than 4,000
Step-by-step explanation:
Times 4,000 by 10 and you get 40,000
The figure shows relationships of the dimensions of a square pool with an attached patio. Complete the equations and reasons to show that AC= BD
Answers
For the given square pool the relationship between the line segment will be BD = BC + CD and AB + BC = CD + BC and it will go to proves that AC = BD.
What is a line segment?A line section that can connect two places is referred to as a segment.
The line is here! It extends endlessly in both directions and has no beginning or conclusion.
Given that,
AB = CD
By segment addition postulate
AC = AB + BC
Again by segment addition postulate
BD = BC + CD
In addition property of equality
AB + BC = CD + BC
So,
AC = BD
Hence "BD = BC + CD and AB + BC = CD + BC will proves that AC = BD".
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A women bought some large frames for $19 each and some small frames for $7 each at a closeout sale. If she brought 19 frames for $205, find how many of each type she bought
Answers
Answer:
the one I have found that would is
13 small frames
6 big ones
Step-by-step explanation:
not gonna lie I used trial and error
so I went for example 19 x 10 = 190
205 - 190 = 15 and then 15 / 7
I did this until I got an whole number on the divide by seven bit
Solve for x to the nearest tenth.
Answers
Applying the Pythagorean Theorem, the value of x to the nearest tenth is: 4.5 units.
What is the Pythagorean Theorem?If c represents the length of the longest side (hypotenuse) of a right triangle, and a and b are the lengths of the other smaller legs of the right triangle, the Pythagorean Theorem states that:
c = √(a² + b²).
In the diagram given, we have a right triangle that is a part of the given shape. Where:
Hypotenuse = c = x
a = 4 units
b = 5 - 3 = 2 units
Plug in the values
x = √(4² + 2²)
x = √(16 + 4)
x = √20
x ≈ 4.5 units (nearest tenth)
Thus, applying the Pythagorean Theorem, the value of x to the nearest tenth is: 4.5 units.
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Manuel gave the cashier $20 to pay for 3 bottles of hand sanitizer. The cashier gave him $8.03 in change. Each bottle cost the same amount.
Answers
Answer:
Each bottle cost $3.99.
Step-by-step explanation:
$20-$8.03=11.97
Each bottle = $11.97÷3
=$3.99
So now each bottle cost$3.99
Sheridan Street and Richmond Street are parallel, and both are intersected by University Boulevard.
Two cars are heading west, one on Sheridan St. and one on Richmond St. Both cars turn north onto University Blvd.
What is the measure of the angle of their turn on to University Blvd.
Answers
The measure of the angle of their turn on to University Blvd is; 80°
How to interpret corresponding angles?
Corresponding angles are the angles that are formed when two parallel lines are intersected by the transversal.
Thus, from the given diagram when we apply the concept of corresponding angles, we can say that;
17x + 15 = 19x + 5
19x - 17x = 15 - 5
2x = 10
x = 5
Thus;
19x + 5 = 19(5) + 5 = 100°
Now, the sum of the angles on a straight line is 180 degrees. Thus, the measure of the angle of their turn on to University Blvd is;
180 - 100 = 80°
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Tonya is paid a salary of $650 a month at her sales job. She also earns a commission on her sales in this way: 3% on all sales up to $32,000 in a month
and 8% on all higher sales. What were Tonya's total earnings for a month where her total sales were $80,000?
Answers
Tonya's total earnings for a month where her total sales were $80,000 is $5450.
What is the percentage?It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.
It is given that:
Tonya is paid a salary of $650 a month at her sales job.
She also earns a commission on her sales in this way: 3% on all sales up to $32,000 in a month and 8% on all higher sales.
= 650 + 32000(3%) + (80000 - 32000)(8%)
= 650 + 960 + 3840
= $5450
Thus, Tonya's total earnings for a month where her total sales were $80,000 is $5450.
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Expand each binomial.
(2 x-y)⁴
Answers
Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. (2x - y)⁴ is expanded as 16x⁴ − 32x²y + 24x²y² − 8xy³ + y⁴.
What is meant by binomial expansion theorem?The Binomial theorem tells us how to expand expressions of the form (a + b)ⁿ, for example, (x + y)⁷. The larger the power is, the harder it is to expand expressions like this directly.
The total number of terms in the expansion of (x+y)ⁿ are (n+1).
The sum of exponents of x and y is always n.
nC₀, nC₁, nC₂, … .., nCₙ are called binomial coefficients and also represented by C₀, C₁, C₂, ….., Cₙ
The binomial coefficients which are equidistant from the beginning and from the ending are equal.
i.e. nC₀ = nCₙ, nC₁ = nCₙ₋₁ , nC₂ = nCₙ₋₂ ,….. etc.
Let the function be (2x - y)⁴
By using binomial expansion theorem, we get
(2x - y)⁴ = 16x⁴ − 32x²y + 24x²y² − 8xy³ + y⁴
(2x - y)⁴ is expanded as 16x⁴ − 32x²y + 24x²y² − 8xy³ + y⁴
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Show that at least three of any 25 days chosen must fall in the same month of the year.
Answers
The proof that at least three of any 25 days chosen must fall in the same month of the year holds true because; there are twelve months in a year.
What is the proof that three of any twenty-five, 25 days chosen must fall in the same month of the year as required in the task content?This proof required for the statement in the task content follows from the fact that, there are 12 months in a year.
Hence, the proof that at least three of any twenty-five, 25 days chosen must fall in the same month of the year is because, there are 12 months in a years and after choosing two days from each month, amounting to 24 days, the 25th day would fall into a month and hence, such month has 3 days already.
Ultimately, the statement that at least three of any 25 days chosen must fall in the same month of the year holds true because there are 12 months in a year.
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Use natural logarithms to solve each equation.
e x+1=30
Answers
2.4012 is the value of x after solving equation [tex]e^{x+1}[/tex] = 30 using natural logarithms
We have been asked to solve [tex]e^{x+1}[/tex] = 30 using natural logarithms
⇒ [tex]e^{x+1}[/tex] = 30
⇒ x + 1 = ㏑ 30
⇒ x = ㏑ 30 - 1
≈ 2.4012
What is a natural logarithm?A number's natural logarithm is its logarithm to the base of the transcendental and irrational number e, which is roughly equivalent to 2.718281828459.
Typically, the natural logarithm of x is denoted by the symbols ln x, loge x, or, if the base e is implicit, just log x. When adding parentheses for clarity, the values ln(x), loge(x), or log (x). In order to avoid ambiguity, this is notably done when the argument to the logarithm is not a single symbol.
The power to which e would need to be raised in order to equal x is the natural logarithm of x.
For instance, e2.0149... = 7.5, thus ln 7.5 equals 2.0149.
Since e1 = e, the natural logarithm of e itself, or ln e, is equal to 1, while the natural logarithm of 1 is 0, since e0 = 1.
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Correct QuestionUse natural logarithms to solve each equation.
[tex]e^{x+1}[/tex] = 30
The grid above shows the graph of the parent function f(x) = | x | and a translated functions graph.
Write the equation for the translated graph.
Please Hurry, I will give brainliest!
Answers
By using the principles of translation, the following equation can be derived for the graph of the translated text:
g(x) = |x + 2| + 1.
What is a translation?According to operations like multiplication or sum/subtraction either in its range (including values of y) or in its domain, a translation is represented by a change in the function graph (involving values of x).
Examples include shifts to the left, right, or bottom; compression or stretching along the vertical or horizontal axis; reflections across the x or y axes; and rotations of a degree measured around the origin.
From the graph, we have that the parent function was:
Shifted left 2 units, hence x -> x + 2.
Shifted up 1 unit, hence y -> y + 1.
Hence, considering the parent function f(x) = |x|, the equation for the translated graph is given by:
g(x) = |x + 2| + 1.
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A puppy weighs 2.8 pounds at birth and gained about 0.5 pounds per week. A kitten weighs 1.4 pounds at birth and gains about 1.2 pounds per week. In how many weeks will the weight of the kitten be no less than the weight of the puppy?
Answers
The weight of the kitten will be no less than the weight of the puppy in 1.4 + 1.2x ≥ 2.8 + 0.5x week.
What is Inequality?Statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
Given:
A puppy weighs 2.8 pounds at birth and gained about 0.5 pounds per week.
A kitten weighs 1.4 pounds at birth and gains about 1.2 pounds per week.
puppy: 2.8 + 0.5x
Kitten: 1.4 + 1.2x
As, kitten is no less than puppy.
Kitten ≥ puppy
1.4 + 1.2x ≥ 2.8 + 0.5x
hence, the weight of the kitten will be no less than the weight of the puppy in 1.4 + 1.2x ≥ 2.8 + 0.5x week.
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Micah is 7 years older than treasure. in 6 years the sum of their ages will be 51. how old is micah now?
Answers
The age of Micah is 23 years.
Let the age of treasure be x years. So, the present age of Micah will be (x + 7) years.
Now, age of treasure after 6 years = (x + 6) years
Age of Micah after 6 years = (x + 7 + 6) years
Age of Micah = (x + 13) years
As the question mentions, the sum of their ages is 51. So, relating the given information -
(x + 6) + (x + 13) = 51
Performing addition on Left Hand Side of the equation
2x + 19 = 51
Shifting 19 to Right Hand Side of the equation
2x = 51 - 19
Performing subtraction on Right Hand Side of the equation
2x = 32
Shifting 2 to Right Hand Side of the equation and performing division
x = 32 ÷ 2
x = 16 years
So, the present age of Micah = x + 7
Present age of Micah = 16 + 7
Present age of Micah = 23 years
Hence, the present age of Micah is 23 years.
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Identify each of the following anglemeasures as acute, right, obtuse, straight, or reflex 35° 91° 65° 28°
Answers
The angles 35° 65° and 28° are acute angles and the angle 91° is an obtuse angle
How to identify each of the angle measures?The angle measures are given as:
35° 91° 65° 28°
As a general rule:
Angles that are less than 90 degrees are acute angles
This means that
The angles 35° 65° and 28° are acute angles
Also, we have
Angles that are between 90 degrees and 180 degrees are obtuse angles
This means that
The angle 91° is an obtuse angle
Hence, the angles 35° 65° and 28° are acute angles and the angle 91° is an obtuse angle
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A submarine was 200 feet below sea level. Then it dove down another 370 feet so the biologists could study a squid. After that, the submarine ascended 500 feet to get closer to the surface. What is the current depth of the submarine? Express your answer as an integer.
Answers
Answer:
70 feet
Step-by-step explanation:
Depth
200 + 370 - 500 = 70 feet
Please help due soon.
Answers
[tex]a = \pi \: r {}^{2} \\ r {}^{2} = \frac{a}{\pi} \\ r = \sqrt{ \frac{a}{\pi} } [/tex]
Answer: First OptionFor Comic Relief Stamford Green School are taking part in a "Bake Off".
Parents are invited to come and buy cakes. 150 parents attend: 70% donate £1 for their cake and the rest donate £2 for their cake. How much money is donated in total?
Answers
Start off with %70 of 150
0.7 • 150 = 105
To find their total donation amount,
105 • £1 = £105
Then we know the rest of the parents account for the last %30 of the attendees
We can find this out by either,
150 - 105
or
0.3 • 150
Either way we end up with 45
45 • £2 = £90
%70 (105) of the parents donated £105
%30 (45) of the parents donated £90
The parents, in total, donated £195
What is the blue dot on