الصورة المختصرة للعبارة اللوغاريتمية log2 x − log2 y − 3 log2 z
Answer:
Step-by-step explanation:
1. When the net is folded into the rectangular prism shown beside it, which letters will be on the back and bottom of the rectangular prism?
(The letter on the back will be D.
The letter on the bottom will be E.)
(The letter on the back will be A.
The letter on the bottom will be D.)
(The letter on the back will be C.
The letter on the bottom will be A.)
(The letter on the back will be D.
The letter on the bottom will be C.)
When the net is folded into the rectangular prism
The letter on the back will be A.The letter on the bottom will be D.How to determine the position of the lettersA rectangular prism is a polyhedron in geometry that has two parallel and congruent bases. Another name for it is a cuboid.
Applying science of vision to see technical details in the prism, seeing letter B on the top means that D will be on the bottom.
the side we face will be C while the bac will be A
on the other side, the left end not showing is E and this make up all the part of the prism
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Given that DE is a midsegment for ABC and the length of DE is 8 units. What is the length of BC?
Answer:
BC = 16 units
Step-by-step explanation:
Since DE is the midsegment of the triangle, based on the midsegment theorem, thus:
DE = ½(BC)
DE = 8 units
Plug in the value
8 = ½(BC)
Multiply both sides by 2
2*8 = BC
BC = 16 units
PLSSS HELP!! Ty whoever helped me! :) Question: Select the statement that is true about the two-dimensional figure.
A quadrilateral with the vertices labeled L, M, N and O. Angles M L O and L M N are greater than 90 degrees, and angles L O N and M N O are less than 90 degrees.
∠LMN is an acute angle.
∠LMN is an obtuse angle.
∠MNO is an obtuse angle.
∠MNO is a right angle.
∠LMN is an obtuse angle.
==========================================
Explanation
Let's go through the answer choices to see which are true, and which are false.
A. This is false. It is stated that "LMN is greater than 90 degrees", so this angle is obtuse. Acute angles are less than 90 degrees.B. This is true. See choice A above.C. This is false. We're told that "angle MNO is less than 90 degrees". That makes the angle acute. D. This is false. See choice C above. Right angles are 90 degrees exactly. Often a small square marker is used to denote a 90 degree angle.Write a system of equations to describe the situation below, solve using any method, and fill in the blanks. The Osborne family and the Carey family are seeing a movie together in the theater. At the concession stand, Mr. Osborne paid $10 for 2 large popcorns and 1 large drink that his family will share. Mrs. Carey bought 4 large popcorns and 1 large drink and paid $16. How much does each item cost? A large popcorn costs $ and a large drink costs $ .
Answer:
p = 3 dollars d = 4 dollars
Step-by-step explanation:
2 p + 1 d = 10 given
4 p + 1 d = 16 given Subtract second equation from first to get:
-2p = - 6
p = 3 dollars then use this value in either of the equations to find 'd'
2(3) + d = 10
d = 4
what is 2/5 of 2/3 =
Answer:
2/5Step-by-step explanation:
2/5. 2/3 of a number means that you divide it by 3 and multiply by 2. 3/5 divided by 3 is 1/5. 1/5 multiplied by 2 is 2/5, which is the answer. Hope this helps! :).Hopes this helps. Mark as brainlest plz!Answer:
.266666... or \(\frac{4}{15}\)
Step-by-step explanation:
Multiply the numerator by the other numerator, in this case it would be 2 * 2, to get 4. This is your numerator for the answer.
Then do the same for the denominators. 5 * 3 is 15.
Therefore, your answer is \(\frac{4}{15}\)
Hope that this helps!
Given f of x is equal to the quantity x plus 3 end quantity over the quantity x squared plus 2 times x minus 3 end quantity and g(x) = log4x, evaluate (g – f )(2).
To evaluate (g - f)(2), we first need to find f(2) and g(2).
We start by finding f(2):
f(x) = (x + 3) / (x^2 + 2x - 3)
f(2) = (2 + 3) / (2^2 + 2(2) - 3) = 5 / 7
Next, we find g(2):
g(x) = log4x
g(2) = log4(2)
Now we can evaluate (g - f)(2):
(g - f)(2) = g(2) - f(2) = log4(2) - 5/7
Using a calculator, we can approximate log4(2) to be approximately -0.415.
So, (g - f)(2) is approximately:
(g - f)(2) ≈ -0.415 - 5/7 ≈ -1.125
Therefore, (g - f)(2) is approximately -1.125.
Answer:
- \(\frac{1}{2}\)
Step-by-step explanation:
(g - f)(2)
= g(2) - f(2)
to find g(2) use the rule of logarithms
\(log_{b}\) x = n ⇒ x = \(b^{n}\)
then
\(log_{4}\) 2 = n
2 = \(4^{n}\)
2 = \((2^2)^{n}\)
2 = \(2^{2n}\), so equating exponents gives
2n = 1 ( divide both sides by 2 )
n = \(\frac{1}{2}\)
so g(2) = \(\frac{1}{2}\)
and
f(2) = \(\frac{2+3}{2^2+2(2)-3}\) = \(\frac{5}{4+4-3}\) = \(\frac{5}{5}\) = 1
Then
(g - f)(2)
= g(2) - f(2)
= \(\frac{1}{2}\) - 1
= - \(\frac{1}{2}\)
how oes the relationship between logarithms and exponential functions help us find solutions
The relationship between logarithms and exponential functions is fundamental and provides a powerful tool for finding solutions in various mathematical and scientific contexts.
Logarithms are the inverse functions of exponential functions. They allow us to solve equations and manipulate exponential expressions in a more manageable way. By taking the logarithm of both sides of an exponential equation, we can convert it into a linear equation, which is often easier to solve.
One of the key properties of logarithms is the ability to condense multiplication and division operations into addition and subtraction operations. For example, the logarithm of a product is equal to the sum of the logarithms, and the logarithm of a quotient is equal to the difference of the logarithms.
Logarithms also help us solve equations involving exponential growth or decay. By taking the logarithm of both sides of an exponential growth or decay equation, we can isolate the exponent and solve for the unknown variable.
This is particularly useful in fields such as finance, population modeling, and radioactive decay, where exponential functions are commonly used.
Furthermore, logarithms provide a way to express very large or very small numbers in a more manageable form. The logarithmic scale allows us to compress a wide range of values into a smaller range, making it easier to analyze and compare data.
In summary, the relationship between logarithms and exponential functions enables us to simplify and solve equations involving exponential expressions, model exponential growth or decay, and manipulate large or small numbers more effectively.
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Which table shows a proportional relationship between x and y?
Answer:D
Step-by-step explanation:
This is D because your dividing by 5 or each one and thats how you get Your output number
Proportional relationship between x and y is x/y = 5. Only table D shows a proportional relationship between x and y.
What is proportional relationship?A proportional relationship is a relationship between two expressions and where changes in one expression means some constant change in other expression as well. Generally it is represented as x/y = k, where x and y are two expressions and k is constant.
In order to solve this problem, first we’ll have to figure out the proportionality ratio between the x and y.
that is x/y = k (let), it should be constant.
In the table A;
first term, 3/4 = 0.75
second term, 10/6 = 1.667
Since the value of constant is not the same. Therefore the table A does not show the proportional relationship between x and y.
In the table B;
first term, 4/2 = 2
second term, 8/4 = 2
third term, 12/8 = 1.5
Since the value of constant is not the same. Therefore the table B does not show the proportional relationship between x and y.
In the table C;
first term, 12/6 = 2
second term, 14/12 = 1.667
Since the value of constant is not the same. Therefore the table B does not show the proportional relationship between x and y.
In the table D;
first term, 5/1 = 5
second term, 10/2 = 5
third term, 15/3 = 5
Since the value of constant is the same in every term. Therefore the table B shows the proportional relationship between x and y.
Therefore, proportional relationship between x and y is x/y = 5. Only table D shows a proportional relationship between x and y.
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if g(x)=(x + 1), for what value of x will g(x)=3?A) 1B) 2C) 3D) 4
Given
\(g(x)=x+1\)You need to calculate the value of x for g(x)=3, replace it in the equation as follows:
\(3=x+1\)And calculate for x, to do so, you can pass the "+1" to the other side of the equal sign by performin the oposite operation "-1" to both sides:
\(\begin{gathered} 3-1=x+1-1 \\ 2=x \end{gathered}\)For x=2 g(x)=3
Find the value of x I need help
Answer:
x =35
Step-by-step explanation:
The sum of the angles of a triangle add to 180
x+10 +x + 3x-5 = 180
Combine like terms
5x+5 = 180
Subtract 5 from each side
5x+5-5 =180-5
5x = 175
Divide by 5
5x/5 =175/5
x =35
Brian is a salesman for a wholesome computer parts company. He earn straight commission at a rate of 4% last month is total sales were 82,968. What was his gross income last month
Brian's gross income last month will be $3319.
How to calculate the income?The percentage simply has to do with the a value or ratio which can be stated as a fraction of 100. It should be noted that when we want to we calculate a percentage of a number, we simply divide it and then multiply the value that is gotten by 100.
From the information, Brian is a salesman for a wholesome computer parts company. He earn straight commission at a rate of 4% last month is total sales were 82,968.
Brian's gross income last month will be:
= 4% × 82968
= $3319
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Please help me solve this I have a D in math!!
Therefore, the explicit formula for f(n) is: f(n) = 10 * \(3^{(n - 1)}\)
f(1)=10
What is explicit formula?An explicit formula for f(n), the number of members the creators have a goal of getting n weeks after the website is made available, can be determined by using the information provided that the number of members is tripled every week.
So, we can start with the initial number of members (10) and multiply it by 3 for each week.
Therefore, the explicit formula for f(n) is:
f(n) = 10 * \(3^{(n - 1)}\)
A recursive formula for f(n) can be determined by using the information that the number of members is tripled every week, and the initial number of members is 10.
So, we can start with the initial number of members (f(1)=10) and use the previous value of f(n-1) to calculate the current value of f(n).
Therefore, the recursive formula for f(n) is:
f(n) = 3f(n-1) + 10
for n>1
f(1)=10
In this way, we can calculate the number of members for any week using the explicit formula or the recursive formula.
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A coordinate plane with a line drawn passing through the points (0, 3) and (3, 2).
Which equation represents the graphed function?
y = –3x + 3
y = 3x – 3
y = 3x – negative StartFraction 1 Over 3 EndFraction.
y = –x + 3
Step-by-step explanation:
slope = rise/run = (y2-y1)/(x2-x1)
= (3-2)/(0-3)
=(1)/(-3)=-1/3
The intercept is given in one of the points, (0.3).
y=mx+b
y=(-1/3)x+3
I can't tell if this is one of your options bc I think the copy paste didn't quite come through correctly.
3
3
Which line is perpendicular to the line shown on the graph?
OA y=-3x+2
Ob y=-x-4
Oc y= fx+1
OD y=x+1
Answer: C
Step-by-step explanation: I just know the answer
The equation of the perpendicular line is y = (-3/2)x + 2.
Option A is the correct answer.
We have,
From the graph,
The line has coordinates: (0, -1), and (-3, -3).
Now,
The equation of the line can be written as:
y = mx + c
m = (-3 +1) / (-3 - 0) = -2/-3 = 2/3
(0, -1) = (x, y)
-1 = 2/3 x 0 + c
c = -2
So,
y = (2/3)x - 2
Now,
Any line y = m(2)x + c perpendicular to y = (2/3)x -2 will have slope as:
m(2) x m = - 1
m(2) = - 1 / (2/3) = -3/2
Thus,
The equation of the perpendicular line is y = (-3/2)x + 2.
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Determine the correct inventory amount on December 31.
I am so lost and have no clue what to do. Any help is appreciated!
The adjusted balance of Blossom's inventory account is $214,680.
Define rate of interestThe rate of interest, also known as the interest rate, is the percentage amount charged by a lender or financial institution for the use of borrowed money or for the extension of credit. It is the cost of borrowing money, typically expressed as an annual percentage of the amount borrowed or owed.
Goods shipped FOB shipping point on December 28 to Splish Company for $53,940 were not included in the physical inventory count. Therefore, we need to add this amount to the year-end balance of inventory:$286,950 + $53,940 = $340,890Goods shipped FOB destination to Blossom for $97,100 were not included in the physical inventory count. Therefore, we need to subtract this amount from the year-end balance of inventory: $340,890 - $97,100 = $243,79Goods received FOB shipping point on January 2 for $26,120 were not included in the physical inventory count. Therefore, we need to add this amount to the year-end balance of inventory: $243,790 + $26,120 = $269,91Goods shipped FOB destination to Ehler of Canada for $55,230 were not included in the physical inventory count. Therefore, we need to subtract this amount from the year-end balance of inventory: $269,910 - $55,230 = $214,680Goods received FOB destination on January 2 for $38,960 were included in the physical inventory count. Therefore, we do not need to make any adjustments for this transaction.Therefore, the adjusted balance of Blossom's inventory account is $214,680.
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Calcular los 3/5 de los 2/3 de las 3/4 de 560
For the fractions, the calculation of 3/5 of 2/3 of 3/4 of 560 is equal to 168.
How to solve fractions?To calculate 3/5 of 2/3 of 3/4 of 560, break it down step by step:
Step 1: Calculate 3/4 of 560:
3/4 × 560 = (3 × 560) / 4 = 1680 / 4 = 420
Step 2: Calculate 2/3 of the result from Step 1:
2/3 × 420 = (2 × 420) / 3 = 840 / 3 = 280
Step 3: Calculate 3/5 of the result from Step 2:
3/5 × 280 = (3 × 280) / 5 = 840 / 5 = 168
Therefore, 3/5 of 2/3 of 3/4 of 560 is equal to 168.
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Given the following sets, find the set (A U B) n (AUC).
U= {1, 2, 3, ..., 10}
A=(2, 5, 7, 10}
B = {1, 2, 3)
C={1, 2, 3, 4, 5}
The set (A U B) n (A U C) is {2, 5, 7, 10}. A.
To find the set (A U B) n (A U C), we first need to calculate the union of sets A and B, and then calculate the union of that result with set C. Finally, we find the intersection of these two sets.
Set A U B:
The union of sets A and B, denoted as A U B, is the combination of all elements from both sets without any repetitions.
A contains the elements 2, 5, 7, and 10, while B contains the elements 1, 2, and 3.
A U B consists of the elements {1, 2, 3, 5, 7, 10}.
Set (A U B) U C:
Next, we calculate the union of the set (A U B) with set C, denoted as (A U B) U C. A U B contains the elements {1, 2, 3, 5, 7, 10} and C contains the elements {1, 2, 3, 4, 5}.
Taking the union of these two sets results in {1, 2, 3, 4, 5, 7, 10}.
Finding the intersection:
Finally, we find the intersection of (A U B) U C with A U C. A U C consists of the elements {2, 5, 7, 10}.
The intersection of these two sets is the combination of common elements.
The common elements are {2, 5, 7, 10}.
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Jimmy wins 609 of his air hockey games against his brother. Jimmy wants to run a simulation to determine the probability of him winning the next two games. He will use a random number table to determine the probability. Which digits from 0-9 should Jimmy use to represent him winning?
The digits from 0-9 should Jimmy use to represent him winning is 4-9.
We are given that;
Hockey games won= 609
Now,
To use a random number table to determine the probability of him winning the next two games, Jimmy needs to assign digits from 0 to 9 to represent him winning or losing.
Since he wins 60% of his games, he should assign 6 digits to represent him winning and 4 digits to represent him losing.
One possible way to do this is to use 0-5 to represent him winning and 6-9 to represent him losing.
Another possible way is to use 4-9 to represent him winning and 0-3 to represent him losing.
Therefore, by probability the answer will be 4-9.
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1) Find the product: 6 x 1/3= * O 61/3 O 6/18 6/3 01/18
Answer:
2
Step-by-step explanation:
Answer:
I think its the second answer
What is the y-intercept of the line describe by the equation below? Y=5x-22
Answer:
The y intercept is (0,-22)
Step-by-step explanation:
The y intercept is the value when x =0
Y=5x-22
y = 5*0 -22
y = -22
The y intercept is (0,-22)
sat question I can’t seem to understand fully.
The value of m + n is given as follows:
A. 18.
How to obtain the value of m + n?The exponential expression for this problem is defined as follows:
\((x^5y^6)^{\frac{1}{5}}(x^3y^4}^{\frac{1}{4}}\)
Applying the power of power rule, we have that the exponents are given as follows:
x: 5/5 + 3/4 = 1 + 3/4 = 7/4.y: 6/5 + 4/4 = 6/5 + 1 = 11/5.Then the values of m and n are given as follows:
m = 7, n = 11.
Thus the sum is given as follows:
m + n = 7 + 11 = 18.
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Ms. Davis is doing an activity with her statistics students where she gives them a 20-question multiple choice test, and they know none of the answers. Students need to guess on every question, and each question has 5 possible choices, 1 of which is correct. What are the mean and standard deviation of the number of questions that each student gets correct?
Answer:
Average: 4
Standard Deviation: 0
Step-by-step explanation:
Because we don't know how each student did we are going to assume that they all got 20% of the questions right
20% of 20 is 4
Which means that we can assume each student got 4 questions correct
Because all entries are the same the standard deviation is 0
Identify the correct measure of the distance between the compass points, to the nearest
1/8 inch.
Answer:
(d) 5/8 in
Step-by-step explanation:
You want the measure indicated by the compass points in the figure.
Ruler marksThe largest mark between the end of the ruler and the mark labeled 1 is at the 1/2 inch point. The compass is to the right of that.
The mark halfway between the 1/2 inch mark and the 1 inch mark is 3/4 inches. The compass is to the left of that.
The mark halfway between 1/2 inch and 3/4 inch is 5/8 inch. The compass seems to be nearer this mark than it is to the 1/2 inch mark.
The measure of the distance between compass points is about 5/8 inch.
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Sunset Lake is stocked with 2800 rainbow trout and after 1 year the population has grown to 7000. Assuming logistic growth with a carrying capacity of 28000, find the growth constant kk, and determine when the population will increase to 14600.
The growth constant is 1.0986 and the trout population will increase to 14600 after 2.1 years. The result is obtained by using the logistic equation.
How to find the increase of population?The increase of population can be found by using the logistic equation. It is
\(P(t) = \frac{K}{1 + Ae^{-kt} }\)
Where
P(t) = population at time t (in years)K = carrying capacityA = (K- P₀)/P₀k = growth constant of proportionalityt = time (in years)Sunset Lake is stocked with the rainbow trout. We have
P₀ = 2800P(1) = 7000K = 28000Find the growth constant k and time t when P(t) = 14600!
A = (K - P₀)/P₀
A = (28000 - 2800)/2800
A = 25200/2800
A = 9
After 1 year, we have 7000 rainbow trout. The growth constant is
\(7000 = \frac{28000}{1 + 9e^{-k(1)} }\)
\(1 + 9e^{-k} = 4\)
\(9e^{-k} = 3\)
\(e^{-k} = \frac{1}{3}\)
k = - ln (1/3)
k = 1.0986
Use k value to find the time when the population will increase to 14600!
\(14600 = \frac{28000}{1 + 9e^{-1.0986t} }\)
\(1.9178 = 1 + 9e^{-1.0986t}\)
\(0.9178 = 9e^{-1.0986t}\)
\(\frac{0.9178 }{9} = e^{-1.0986t}\)
\(t = \frac{ln \: 0.10198}{-1.0986}\)
t = 2.078
t ≈ 2.1 years
It is in another 1.1 years after t = 1.
Hence, the growth constant k is 1.0986 the population will increase to 14600 when t is 2.1 years.
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What is the greatest integer? [In picture]
HELP PLEASE IM GIVE BRAINLIST
The triangle which could be drawn as per the given description is only option b. isosceles triangle with measure 20° and 80°.
An acute triangle with sides measuring 7, 4, and 2
In an acute triangle, the sum of the squares of the two shorter sides must be greater than the square of the longest side .
According to the Pythagorean Theorem.
Here, 7² is greater than (4² + 2²).
So this is not possible.
An isosceles triangle with angles measuring 20° and 80°
In an isosceles triangle, two angles are equal, so if two angle measures 20° and 80°,
Then the third angle measures is
180° - 20° - 80°= 80°
Two angles are congruent implies two sides are congruent.
It is possible to form isosceles triangle.
An obtuse triangle with sides measuring 5, 10, and 15
In an obtuse triangle, the longest side is opposite the largest angle.
Sum of squares of two shorter sides is less than square of longest side according to Pythagorean Theorem.
However, 15²is greater than (5²+ 10²),
so this is not possible.
A scalene triangle with angles measuring 110° and 35°
The sum of the angles of any triangle is 180°,
so the third angle must measure
180° - 110° - 35° = 35°.
Two angles are congruent so it is isosceles triangle.
It is not possible to form scalene triangle.
Therefore, the triangle possible to draw as per the given condition is only option b. isosceles triangle with measure 20° and 80°.
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Suppose that $6000 is placed in a savings account at an annual rate of 4%, compounded quarterly. Assuming that no withdrawals are made, how long will it take for the account to grow to $8670?
The time taken for the money to grow to $8670 at compound interest is approximately 9.24 years.
Given the amount of money that is the principal = $6000
Rate = 4% compounded quarterly.
Time = t
Amount = $8670
Now we know that the amount is calculated by the formula:
A = P(1+r/4)ⁿ
8670 = 6000(1+0.01)ⁿ
Hence
log 1.445 = n log 1.01
or, n = 36.99
Number of years = 36.99 / 4 = 9.24 years.
The interest that is added to a loan or deposit is referred to as compound interest. Compound interest is computed for a sum utilizing both the principal and interest already paid. The main distinction between compound interest and simple interest is this.
If we look at our bank statements, interest is usually credited to our account once a year. While the principle remains constant, the interest changes annually.
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mrs. watson is buying vintage records for a friend at a local records shop. Thre price of a record is based on its condition. The table shows the total cost of x number of records for each condition.
The equation for total cost of buying and shipping the records is
76.4x + 80
We have,
She buys 3 in good condition
So, the cost for 3 good condition
= 3 (10.5x)
= 31.5 x
and, She buys 1 in Fair condition
So, the for 1 fair condition
= 5x
and, She buy 2 new condition then the price is
= 39.9 x
So, the equation for total cost of buying and shipping the records is
= 31.5x + 5x + 39.9x + 8
= 76.4x + 8
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What is the instantaneous rate of change y=sqrtx of at x = 2? Responses negative 1 over 2 negative 1 over 4 negative 1 none of these none of these
The instantaneous rate of change of y = √x at x = 2 is √2 / 2.
To find the instantaneous rate of change of y = √x at x = 2, we need to calculate the derivative of the function with respect to x and evaluate it at x = 2.
Taking the derivative of y = √x using the power rule for differentiation, we have:
dy/dx = (1/2) × x^(-1/2)
Now, substituting x = 2 into the derivative expression:
dy/dx = (1/2) × 2^(-1/2)
= (1/2) × √2
= √2 / 2
Therefore, the instantaneous rate of change of y = √x at x = 2 is √2 / 2.
None of the provided options (-1/2, -1/4, -1) are the correct instantaneous rate of change at x = 2.
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