Solve: log2(3x 8) = 5 which is an equivalent equation? 25 = 3x 8 52 = 3x 8 25 = [log2(3x 8)]2 52 = [log2(3x 8)]5
The value of the equivalent equation will be 32=3x+8
What will be the value of x?It is given in the question that
\(\rm Log_2(3x+8)=5\)
Now from the antilog property property
\(\rm x=Log_by\) can be written as below
\(b^x=y\)
So the value of \(\rm Log_2(3x+8)=5\) will be
\(2^5=3x+8\)
\(3x+8=32\)
Thus the value of the equivalent equation will be 32=3x+8
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Answer:
I did it on edgeinuity
Step-by-step explanation:
How Do I Do This Problem?
Answer:
common denominator is 15
10/15-3/15
7/15
In order to make the denominators of both 15 multiply 3 by 5 and 5 by three. Whats done to the bottom has to be done to the top as well.
Step-by-step explanation:
A cloud is drifting across the sky at 552metersperminute. it is at an altitude of 9,200 meters. if its speed remains steady, how far will the cloud move in 17.5minutes?
The cloud can ascend 9,616 metres in 17.5 minutes, based on the statement made.
How is altitude measured and what does it mean?Utilizing the measurement of air pressure, altitude may be calculated. The pressure decreases with increasing altitude. An instrument is referred to as a pressure analyzer or pneumatic altimeter when a barometer is given a nonlinear calibration to display altitude.
This may be calculated by dividing the cloud's speed (552 metres per minutes) by the distance it must travel (17.5 minutes). We now know the distance to be 9,616 meters.
The speed of said cloud and the length of time it is going are four pieces of information that must be known in order to determine the minimum distance the cloud might cover in 17.5 minutes. We must increase the cloud's stated speed of 552 meters a minute by the distance it is going across, which in itself is 17.5 minutes. As a result, we now have 9,616 meters overall.
Another way to see this is to picture the cloud beginning at place A (9,200 meters) or terminating at point B. (9,616 meters). The distance between points A and B will be covered in 17.5 minutes if the cloud is moving at a pace of 552 meters per minute.
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Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Find the average rate of change of each function over the interval [0, 2]. Match each representation with its respective average rate of change.
Each representation is matched with its respective average rate of change as follows:
h(x) ⇒ 4f(x) ⇒ 5g(x) ⇒ 2j(x) ⇒ -6What is a rate of change?A rate of change is also referred to as slope and it can be defined as a type of function that describes the average rate at which a quantity decreases or increases with respect to another quantity.
How to calculate the rate of change?Mathematically, the rate of change for a function can be calculated by using this expression;
\(Slope = \frac{Change\;in\;y\;axis}{Change\;in\;x\;axis}\\\\Slope = \frac{y_2\;-\;y_1}{x_2\;-\;x_1}\)
Thus, the average rate of change over the given interval [a, b] is given by:
r = [f(b) - f(a)]/(b - a)
Where:
The interval is [0, 2], so a = 0 and b = 2
Substituting the given parameters into the formula, we have;
r = [f(2) - f(0)]/(2 - 0)
r = [f(2) - f(0)]/2
For the first function h(x), we have:
r = [h(2) - h(0)]/2
When x = 2
h(2) = 2² + 2(2) - 6
h(2) = 4 + 4 - 6
h(2) = 2.
When x = 0
h(0) = 0² + 2(0) - 6
h(0) = 0 + 0 - 6
h(0) = -6.
Evaluating the function, we have:
r = [h(2) - h(0)]/2
r = [2 - (-6)]/2
r = (2 + 6)/2
r = 8/2
r = 4.
For the second function f(x), we have:
Note: The x-intercept is at (2, 0), so x = 2 and f(2) = 0 while its y-intercept at (0, -10), so x = 0, f(0) = -10
r = [f(2) - f(0)]/2
r = [0 - (-10)]/2
r = (0 + 10)/2
r = (10)/2
r = 5.
For the third function g(x), we have:
Note: g(2) = 6 and g(0) = 2 on the graph.
r = [g(2) - g(0)]/2
r = (6 - 2)/2
r = 4/2
r = 2.
For the fourth function j(x), we have:
Note: From the table, x = 2 outputs j(2) = -8 while x = 0 outputs j(0) = 4.
r=[j(2) - j(0)]/2
r = (-8 - 4)/2
r = -12/2
r = -6.
In conclusion, we can infer and logically deduce that each representation is matched with its respective average rate of change as follows:
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I need help with this
Answer:
Step-by-step explanation:
Convert both mixed numbers to improper fractions
5 1/4 = (20 + 1)/4 = 21/4
5 2/5 = (25 + 2)/5 = 27/5
Write 21/4 * 27/5 as the new number sentence
Multiply 21 * 27 and 4*5
Divide 567 by 20 I don't see the answer clearly stated. but the answer is
28 7/20
This is a very good question to have at your finger tips. No doubt it will show up on a test at some point. Make sure you understand the steps.
(20 %) ū and ū are both nonzero n dimensional vectors. If u and ü have the same length, is it true that the projection of į onto ū and the projection of v onto ū always have the same length? If ū and 7 do not have the same length, is it possible that the projection of u onto ū and the projection of ū onto ü have the same length? You should explain your answers to get full credit.
If ū and ū have the same length, then the projection of u onto ū and the projection of ū onto ū will always have the same length. This is because the projection of a vector onto another vector is simply the vector that is parallel to the first vector and has the same length as the first vector.
If the two vectors have the same length, then the projection of one vector onto the other will also have the same length. If ū and ū do not have the same length, then it is possible for the projection of u onto ū and the projection of ū onto ū to have the same length.
This is because the projection of a vector onto another vector is not necessarily the same length as the first vector. If the two vectors are not parallel, then the projection of one vector onto the other will be shorter than the first vector. However, if the two vectors are perpendicular, then the projection of one vector onto the other will be the same length as the first vector.
The projection of a vector onto another vector is a vector that is parallel to the first vector and has the same length as the first vector. The projection of u onto ū can be calculated using the following formula:
proj_ū(u) = (u ⋅ ū) / ||ū||^2 * ū
where u ⋅ ū is the dot product of u and ū, and ||ū|| is the magnitude of ū. The projection of ū onto u can be calculated using the following formula:
proj_u(ū) = (ū ⋅ u) / ||u||^2 * u
where ū ⋅ u is the dot product of ū and u, and ||u|| is the magnitude of u. If ū and ū have the same length, then ||ū|| = ||u||. This means that the two formulas for the projection are the same, and the projection of u onto ū will have the same length as the projection of ū onto u.
If ū and ū do not have the same length, then ||ū|| ≠ ||u||. This means that the two formulas for the projection are not the same, and the projection of u onto ū may or may not have the same length as the projection of ū onto u. If the two vectors are not parallel, then the projection of one vector onto the other will be shorter than the first vector. However, if the two vectors are perpendicular, then the projection of one vector onto the other will be the same length as the first vector.
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joyce paid $120 for an item at the store that was 30 percent of the original price. what was the original price?
The Original price of the item was $400.
Percentage can be defined as a number that denotes hundredth part of any quantity.
For Example , 50%of 30 =\(\frac{50}{100} *30=\frac{1500}{100} =15\).
In the given question
Amount paid by Joyce = $120
Let the original price =x
Percent of original price = 30%
According to the given Question
30% of x =120
\(\frac{30}{100} *x=120\\ \\ x=\frac{120*100}{30}\\ \\ \\ x=400\)
Therefore , the Original price of the item was $400.
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Tim has 74 socks, all in pairs. He has 1 more pair of white socks than black socks. How many individual socks of each color does he have?
The number of black and white socks Tim has is :
Black = 36Black = 36White = 38Let the Number of white and black socks be x and y respectively.
Hence, Total number of socks can be expressed Mathematically as :
x + y = 74 - - - (1)
Since, he has 1 pair (2) more white Than black socks ;then
Number of white socks = 1 + number of black socks
x = 2 + y - - - (2)
Therefore ;
2 + y + y = 74
2 + 2y = 74
2y = 74 - 2
2y = 72
y = 72 / 2
y = 36
x = 2 + y
x = 2 + 36
x = 38
Black socks = 36
Black socks = 36White socks = 38
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Can u please help me??
It would be very helpful if u could write down the answer on a piece of paper(50pts)
Answer:
Given GP:
tₙ = (1/3)ⁿ⁻¹We see that:
t₁ = 1, r = 1/3Sum of n terms:
Sₙ = t₁(1 - rⁿ)/(1 - r)Sₙ = [1 - (1/3)ⁿ] / (1 - 1/3) = [1 - (1/3)ⁿ] / (2/3) = 3/2 [1 - (1/3)ⁿ] Sₙ = 3/2 [1 - (1/3)ⁿ]Solve for v -17= 3v - 2 simplify your answer as much as possible
Answer:
v = -7.5
Step-by-step explanation:
Step 1: Subtract 3v from both sides.
v-17 − 3v = 3v−2 −3v
−2v−17=−2
Step 2: Add 17 to both sides.
−2v−17+17=−2+17
−2v=15
Step 3: Divide both sides by -2.
-2v/2 = 15/2
v = -15/2
v = -7.5
Hope this helps!
Plz name brainliest if possible!
Gasoline costs 1.52 euro per liter in France. What is the price in dollars per gallon? ( Round to the nearest cent as needed.)
Answer:
Step-by-step explanation:
1 liter = 1.52 euro
price in dollars per gallon = ?
$1 = 0.91 euro
so, $1.67 = 1.52 euro
thus, 1 liter = $1.67
now let's convert liter to gallons
1 gallon = 3.79 liter
so, 1 liter = .26 gallons
thus,
.26 gallons will cost $1.67
Bus 1 leaves Bulawayo at a constant speed of 80mph headed for Harare, 550 miles away. Bus 2 leaves Harare at 8:30AM traveling at 50mph. At what time will the buses pass each other?
The buses will pass each other at 12:37:30 PM
Calculation of time two buses pass each other.Bus 1 leaves Bulawayo at a constant speed of 80 mph headed for Harare, 550 miles away, Bus 2 leaves Harare at 8:30 AM traveling at 50 mph.To find the time when the two buses will meet, you need to find the time that Bus 2 will take to travel to the point where the buses will meet, and the time that Bus 1 will take to travel the same distance.
You can find the time that Bus 2 will take to travel to the point where the buses will meet by dividing the distance (550 miles) by the speed of Bus 2 (50 mph), which is 11 hours.
Then you can find the time that Bus 1 will take to travel the same distance by dividing the distance (550 miles) by the speed of Bus 1 (80 mph), which is 6.875 hours (or 6 hours and 52.5 minutes).
Now, you can subtract the time that Bus 2 takes to reach the point of intersection from the time that Bus 1 takes to reach the same point.
6.875 hours (or 6 hours and 52.5 minutes) - 11 hours = -4.125 hours (or -4 hours and 7.5 minutes)
Since Bus 2 leaves Harare at 8:30AM, you can subtract -4.125 hours from 8:30AM to find the time the buses will meet.
8:30AM - -4.125 hours = 12:37:30 PM
So the buses will pass each other at 12:37:30 PM
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Probability trees. Can someone tell me how im meant to set this one out, and I can work the rest out from there
Answer:
Step-by-step explanation:
Answer:
.8 = P (laura)
Step-by-step explanation:
Sally passes is .7
both passing is .56
P(sally and laura passing) = P(sally) * P(laura)
.56 = .7 * P(laura)
Divide each side by .7
.56/.7 = .7 * P(laura)/ .7
.8 = P (laura)
A county reported the following data on breast cancer for the past year. what is the prevalence rate per 100,000? number of new cases: 1,774; number of total cases: 4,192; population: 5,977,906
The prevalence rate per 100,000 is 99.8%
We know that the prevalence rate is the proportion of persons in a population who have a particular disease over a specified period of time.
In this question, we have been given a data on breast cancer for the past year:
number of new cases: 1,774;
number of total cases: 4,192;
population: 5,977,906
We need to find the prevalence rate per 100,000
The total number of infected people = 1,774 + 4192
= 5966
Chance of infection in the whole population would be,
5,977,906/ 5966 ≈ 1002
This means, chances of having breast cancer is 1 in every 1002 people.
A prevalence rate is calculated by dividing total number of infected people by the total population. The result is then multiplied by 100,000
Now we calculate the prevalence rate per 100,000
= (5966 / 5,977,906) × 100,000
= 0.000998 × 100,000
= 99.8 %
Therefore, the prevalence rate per 100,000 is 99.8%
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Coplanar circles that intersect in one point are called.
Answer:
Tangent circles
Step-by-step explanation:
Tangent circles are coplanar circles that intersect in one point.
Hope this helps :)
Have a nice day!
Select the correct answer.
Sandra works at an advertising firm, which has a diverse workforce. It employs individuals belonging to various cultural backgrounds. Sandra tends to be rude to people belonging to certain ethnicities. Her bias takes form of disrespect at times. Which skills does Sandra seem to lack?
A.
interpersonal skills
B.
communication skills
C.
task management skills
D.
resourcefulness
Answer:
a and b*
Step-by-step explanation:
it's kinda self explanatory. she isn't very good at communicating with others. she is rude and disrespectful.
PLSSS HELP I NEED IT REALLY BAD
1.
(05.01 LC)
A square is shown below. Which expression can be used to find the area, in square units, of the shaded triangle in the square?
A square with a side length of 4 units is shown. A diagonal is drawn with one section shaded inside the figure.
(5 points)
fraction 1 over 4 ⋅ 4 ⋅ 4
fraction 1 over 2 ⋅ 4 ⋅ 4
fraction 1 over 2 ⋅ 2 ⋅ 2
fraction 1 over 4 ⋅ 2 ⋅ 2
Answer:
If a square has a side length of 4, then the area is 16.
A = \(s^{2}\) where s = side length.
If a diagonal is drawn to create 2 halves, then the area of each half is 8.
So most likely the answer you are seeking is: \(\frac{1}{2}\) ( 4 · 4 )
Complete all these questions and provide an explanation with complete sentences for full credit.
1) Which muraber is rational? Explain
+
√13
Root 13 is a non-recurring, infinite decimal. Since 13 is not a perfect square, its square root cannot be determined precisely. 13 cannot be expressed as a fraction, which is the definition of a rational number, because it cannot be expressed as a ratio of integers.
An illustration of a rational number?
If p and q are integers and q is not equal to 0, then the number is in the form of p/q and is said to be rational. Rational number examples include 1/3, 2/4, 1/5, 9/3, and so on.
Irrational number examples include: Any real number that cannot be expressed as a fraction is considered to be illogical.
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At a movie theater, the price of 2 adult tickets and 4 child tickets is $48. The price of 5 adult tickets and 2 child tickets is $64. What is the ticket price for one adult and for one child?
Answer:
10$ for an adult and 7$ for a child
Step-by-step explanation:
price for an adult = a
price for a child = b
2a + 4b = 48.............(i)
5a + 2b = 64.............(ii)
make a subject of the formula in equation (i)
2a = 48 - 4b
divide through by 2
a = 24 - 2b
Insert the value of a in equation (ii)
5(24 - 2b) + 2b = 64
120 - 10b + 2b = 64
collect like terms
- 8b = 64 - 120
-8b = -56
divide both sides by -8
b = 7
insert the value of b in equation(i)
2a + 4(7) = 48
2a + 28 = 48
2a = 48 - 28
2a = 20
divide both sides by 2
a = 10
The price for one adult is $10 while the price for one child is $7
credit goes to vintechnology
hope that helped :)
HELP
36) Find the value of x. Assume that lines which appear to be tangent to the circle are tangent.
A) 3
B) 4
C) 5
D) 6
Step-by-step explanation:
is "12x + 2" supposed to be the arc angle of UW ?
I assume so.
then per tangent secant angle theorem
6x + 4 = (154 - (12x + 2))/2 = (154 - 12x - 2)/2 = 77 - 6x - 1
12x + 4 = 77 - 1
12x = 72
x = 6
so, D is correct.
identify the correct if statement(s) that would detect an odd number that is 40 or more in a variable named x. select all that apply.
To detect an odd number that is 40 or more in a variable named x, the correct if statement(s) that apply are: if x >= 40 and x % 2 != 0: if x % 2 != 0 and x >= 40:
if x >= 40 and x % 2 != 0: checks two conditions. First, it checks if x is greater than or equal to 40 (x >= 40). This ensures that the number is 40 or more. Then, it checks if x modulo 2 is not equal to 0 (x % 2 != 0). This condition checks if the number is odd since odd numbers have a remainder of 1 when divided by 2.
if x % 2 != 0 and x >= 40: also checks two conditions. First, it checks if x modulo 2 is not equal to 0 (x % 2 != 0). This condition checks if the number is odd since odd numbers have a remainder of 1 when divided by 2. Then, it checks if x is greater than or equal to 40 (x >= 40). This condition ensures that the number is 40 or more.
By using either of these if statements, we can correctly detect an odd number that is 40 or more in the variable x.
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6. Complete the table for the given function. (1 point)
Х
y = x2 + (-3)
WNOX
1
2
3
0 -3, 2, 1, 6
3, 4, 7, 12
0, 1, 4,9
none of the above
The complete table for the given function will be -
x y = x² + (-3)
0 -3
1 -2
2 1
3 6
Hence the correct option is (A).
Given the function is,
y = x² + (-3)
y = x² - 3 ........... (i)
Substituting the value x = 0 in equation (i) we get,
y = 0² - 3
y = 0 - 3
y = -3
Substituting the value x = 1 in equation (i) we get,
y = 1² - 3
y = 1 - 3
y = -2
Substituting the value x = 2 in equation (i) we get,
y = 2² - 3
y = 4 - 3
y = 1
Substituting the value x = 3 in equation (i) we get,
y = 3² - 3
y = 9 - 3
y = 6
Hence the correct option is (A).
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The question is incomplete. The complete question will be -
"Complete the table for the given function.
(A) –3, –2, 1, 6
(B) 3, 4, 7, 12
(C) 0, 1, 4, 9
(D) none of the above"
a coin is tossed and a die is rolled. find the probability of getting a head and a number greater than 5
The probability of getting a head and a number greater than 5 i.e, independent events is 0.0833.
A coin is tossed and a die is rolled. These are two independent events. Two events are defined as independent if the outcome of one event has no effect on the outcome of another event. The probability is calculated by multiplying two independent probabilities together, i.e, P(A and B) = P(A) x P(B)
We have, Let us assume two independent events be ,
A : A coin is tossed and the head is thrown.
B : A die is rolled, and a number greater than 5 occurs.
Total possible outcomes when a coin tossed = 2 ={ H ,T }
Total possible outcomes when a die rolled = 6 = { 1,2,3,4,5,6} .
We have to determine probability of getting a head and a number greater
than 5.
Probability of getting the head on toss a coin, P(A) = 1/2
Probability of occuring a number greater than 5 on rolling a die = P(B) = 1/6
So, the probability of getting a head on coin and a number greater than 5 on die =P(A)×P(B)
=(1/2)× 1/6 = 1/12=0.0833
Hence, required probability is 0.0833.
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1. Why does the expression 6x + 2 represent the number of people
who can sit at x tables placed end-to-end? Explain.
O A. There are 3 people per long side, so there are 9 people per
table. For x tables, there are 9x people in total. The end
tables can seat 1 person at each end, which adds 2 more
people.
OB. There are 3 people per long side, so there are 6 people per
table. For x tables, there are 6x people in total. The end
tables can seat 1 person at each end, which adds 2 more
people.
OC. There are 6 people per long side, so there are 12 people
per table. For x tables, there are 12x people in total. The
end tables can seat 1 person at each end, which adds 2
more people.
O D. There are 3 people per long side, so there are 6 people per
table. For x tables, there are 6x people in total. The end
tables can seat 2 people at each end, which adds 4 more
people.
Answer: B. there are 3 people per long side. so 6 people per table. for x tables there are 6x people in total. the end tables can seat 1 person at each end which adds 2 more people.
Which of the following is equal to the expression below?
(6-^8)^4
A. -64
C.
1
64
D. -632
WHERE'S B ?
Step-by-step explanation:
Answer:
b option is not available here answer will ends with 6
I NEED HELP ASAP
Compute the correlation coefficient for the data set.
(2,19), (3,22), (4,26), (5,20), (6,35), (7,30), (9,40), (10,42), (11,35)
A student incorrectly says the volume of the regular hexagonal prism, to the nearest cubic centimeter, is 1,619 cm3. What is the correct volume? What error did the student most likely make?
The volume of the regular hexagonal prism is ___ cm3.
Answer:
17.5
Step-by-step explanation:
Someone help I will make you Brainly
Answer:
B
Step-by-step explanation:
Use the given data to find the equation of the regression line. Examine the scatterplot and identify a characteristic of the data that is ignored by the regression line. X y 11 7.31 9 6.56 12 13.36 10 12 7.197.64 14 9.22 5 6.33 4 5.54 13 8.52 8 6.11 5 5.91 Create a scatterplot of the data. Choose the correct graph below. OA OB. OC. O O .............. Lullulilu 5 :50 O CODOO 5f0 OTT 0 5 10 15 20 25 OTT 0 5 10 15 20 25 0 5 10 15 20 25 0 5 10 15 20 25 Find the equation of the regression line. ŷ = + x (Round the constant two decimal places as needed. Round the coefficient to three decimal places as needed.) Identify a characteristic of the data that is ignored by the regression line. O A. The data has a pattern that is not a straight line. OB. There is no trend in the data. OC. There is an influential point that strongly affects the graph of the regression line. OD. There is no characteristic of the data that is ignored by the regression line.
The equation of the regression line is y = 0.430x + 3.59.
A characteristic of the data that is ignored by the regression line is that: A. The data has a pattern that is not a straight line.
How to find an equation of the regression line?In order to determine a linear equation for the regression line (trend line) that models the data points contained in the table, we would have to use a graphing calculator (scatterplot).
In this scenario, the x-values would be plotted on the x-axis of the scatterplot while the y-values would be plotted on the y-axis of the scatterplot.
On the Excel worksheet, you should right click on any of the data point on the scatterplot, select format trend line, and then tick the box to display an equation for the regression line (trend line) on the scatter plot.
By critically observing the scatterplot (see attachment) which models the relationship between the x-values and y-values, a linear equation for the regression line (trend line) is given by:
y = 0.430x + 3.59
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you want to enclose a rectangular region with an area of 1200 square feet and a length of 40 feet, 50 feet, or 60 feet. find the perimeter for each possible region.
The circumference is 160 feet for a length of 40 feet. The perimeter is 200 feet for a length of 50 feet. The circumference is 240 feet for a length of 60 feet.
A rectangular region with a 1200 square foot area will have a different perimeter depending on how long it is. The perimeter will be 160 feet if the area is 40 feet long. The length of 40 feet is multiplied by four to get a final measurement of 160 feet. In a similar manner, if the area is 50 feet long, the perimeter will be 200 feet.
The length of 50 feet is multiplied by four to get a final result of 200 feet. Finally, the perimeter will be 240 feet if the area is 60 feet long. The length of 60 feet is multiplied by four to get a final measurement of 240 feet. A rectangular region with an area of 1200 square feet will therefore have a different perimeter depending on its length, with a length of 40 feet resulting in a perimeter of 160 feet, a length of 50 feet resulting in a perimeter of 200 feet, and a length of 60 feet resulting in a perimeter of 240 feet.
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