Step-by-step explanation:
(4x² + 3y) by (3x² - 4y)
(4(1)² + 3(2)) by (3(1)² - 4(2))
(4 + 6) and (3 - 8)
10 x (-5) = -50 or 50 if negatives aren't an option
Answer:
22
Step-by-step explanation:
(4×1²+3×2) × (3×1²-4×2)
(16+6)×(9-8)
22×1=22
(s3−2s−9)+(2s2−6s3+s)
what percent of the youths surveyed prefer reading electronic books round your answer to the nearest tenth of a percent?
The percentage of youths surveyed that prefer reading electronic books is 54%
What is percentage of a number?The percentage of a number represents a portion or fraction of that number expressed as a percentage. It is often used to describe a proportion or relative value.
To calculate the percentage of a number, you can use the following formula:
Percentage = (Part / Whole) * 100
To determine the percentage of youths that prefer electronic books is;
youths (electronic books) = number of electronic books(youth) / total number of youths.
youths (electronic books) = 40/(40 + 34) * 100
youths (electronic books) = 40/74 * 100
youths (electronic books) = 0.54 * 100
youths (electronic books) = 54%
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A shipping container will be used to transport several 120-kilogram crates across the country by rail. The greatest weight that can be loaded into the container is 27500 kilograms. Other shipments weighing 12400 kilograms have already been loaded into the container. Which inequality can be used to determine x, the greatest number of
120-kilogram crates that can be loaded onto the shipping container?
Inequality can be used to determine x, the greatest number of 120-kilogram crates that can be loaded onto the shipping container is 8000 + 120C <= 27500
What is inequality?An inequality is a relationship that allows us to contrast two or more mathematical expressions.
Knowing that;
Each carton weighs 120 kg.
The container's maximum weight when loaded is 27500 kg.
Weight of the container as it is currently loaded: 8000 kg
Now that we have merged, we have;
Solution
because 8000 grams have already been loaded kilograms
into the container
each crate weighs 120 kilograms.
so 8000 + 120C <= 27500
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13. A fruit vendor prepared juice which filled eight 3-litre containers. He later put the juice in 2-decilitre bottles for sale. How many such bottles of juice did he get? A. 12 C. 1 200 B. 120 D. 12 000
Answer:
The answer is B. 120
Step-by-step explanation:
The vendor has 24 litres in total and each small bottle can hold 0.2 litres.
24/0.2 = 120
Suppose that a researcher is interested in estimating the mean systolic blood pressure, μ, of executives of major corporations. He plans to use the blood pressures of a random sample of executives of major corporations to estimate μ. Assuming that the standard deviation of the population of systolic blood pressures of executives of major corporations is 24 mm Hg, what is the minimum sample size needed for the researcher to be 95% confident that his estimate is within 3 mm Hg of μ?Carry your intermediate computations to at least three decimal places. Write your answer as a whole number (and make sure that it is the minimum whole number that satisfies the requirements).
In order to find the sample size, we can use the following formula that relates the population and sample standard deviations:
\(\sigma_{\bar{x}}=z\frac{\sigma}{\sqrt{n}}\)For a confidence interval of 95%, we have z = 1.96.
Then, using the values of the standard deviations, we have:
\(\begin{gathered} 3=1.96\frac{24}{\sqrt{n}}\\ \\ 3=\frac{47.04}{\sqrt{n}}\\ \\ \sqrt{n}=11.76\\ \\ n=138.3 \end{gathered}\)Rounding to the next whole number, we have a sample size of 139.
Taylor is older than Julian. Their ages are consecutive even integers. Find Taylor's age if the sum of Taylor's age and 4 times Julian's age is 132.
Answer:Taylor is 28 and Julian is 26.
Step-by-step explanation: Because their ages are even integers, we know that Taylor is 2 years older than Julian. We can write this as an equation 132 = 4x + x + 2 where x is Julian's age.
Subtract 2 from both sides and you have 130 = 4x + x.
4x + x is the same as 5x, 130 = 5x
Divide both sides by 5 and you get 26, Julian's age.
Taylor is 28 years old and Julian is 26 years old.
What is an equation?An equation is made up of two algebraic expressions with the same value and the sign "=" in between.
Given, Taylor is older than Julian.
Their ages are consecutive even integers.
Let x be the age of Julian and x + 2 be the age of Taylor.
According to the question;
We have the equation,
x + 2 + 4x = 132
5x = 132 - 2
5x = 130
x = 130 / 5
x = 26
Julian's age is 26 and Taylor's age is 26+2 = 28.
Therefore, the Taylor is 28 years old and Julian is 26 years old.
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The amount of clay students used for their last art project is weighed. The line plot displays the amounts of clay. How much more clay did the students who used of a pound use than the students who used of a pound?
Answer:
C. 2 \(\frac{1}{4}\)
Step-by-step explanation:
First, calculate the amount of clay that both groups used in total. We can find this by multiplying the amount by the number of students.
Used 3/4 of a pound:
3/4(4) = 3 pounds
Used 1/4 of a pound:
1/4(3) = 3/4 pound
Now, subtract:
3 - 3/4 = 2 and 1/4
Answer
i got it right
C. 2
A plane travels a distance of 17,000 km in a time of 2.4 hours.
What is its average speed rounded to the nearest whole number?
Answer:
7083 KM/H
Step-by-step explanation:
17000 / 2.4 = 7083 (Plus some decimals, but rounded up its 7083.)
A. AAS
B. ASA
Which of the
following proves
these triangles are
congruent?
C. Neither, they are not congruent
Answer:
C
Step-by-step explanation:
The congruency rules, AAS and ASA do not work as these triangle do not share any congruent angles or sides.
Use the bar graph to find the experimental probability of the event.
The experimental probability of spinning a number less than 3 is __.
Please help, I'll give brainliest and 20 points
ecovery
Translate the triangle.
Then enter the new coordinates.
(-1,2)
A'([?], [])
B'([ ], [])
C'([ ], []).
(-5,-1)
(В
(-2,-3)
< 4,6 >
Answer:
A'(3, 2 ), B'(6, 6 ),C'(6, - 3 )
A translation of 2 units right is equivalent to adding 2 to the x- coordinate with no change to the y- coordinate.
A(1, 2 ) → A'(1 + 2, 2 ) → A'(3, 2 )
B(4, 6 ) → B'( 4 + 2, 6 ) → B'(6, 6 )
C(4, - 3 ) → B'(4 + 2, - 3 ) → B'(6, - 3 )
Step-by-step explanation:
Hope this helps:)
Line r is parallel to line t. Find m 5.
A. 146
B. 134
C. 24
D. 34
determine the equations of the following graphs
Answer:
Hello,
Step-by-step explanation:
a)
\(y=a^x*b+c\\\\if\ x- > -\infty,\ y- > -1 \ \Longrightarrow\ c=-1\\if\ x=0\ y=1\ \Longrightarrow\ 1=b-1\ \Longrightarrow\ b=2\\if\ x=1\ y=5 \ \Longrightarrow\ a*2-1=5\ \Longrightarrow\ a=3\\\\\boxed{y=2*3^x-1}\\\)
b)
\(f(x,y)=(x-a)(y-b)-k=0\ since\ hyperbola\ "\' equilat\`ere\ in\ French"\\\\\dfrac{\partial{f}}{\partial{x}} =y-b=0\ \Longrightarrow\ y=b\\\\\dfrac{\partial{f}}{\partial{y}} =x-b=0\ \Longrightarrow\ x=a\\\\Here\ center\ is\ (0,2)\ so (x-0)(y-2)=k\\\\(-3,3)\ is \ a\ point\ of \ the\ hyperbola:\\-3*(3-2)=k\ \Longrightarrow\ k=-3\\\\\boxed{x(y-2)=-3}\\\)
c)
It is parabola
y=k*(x-3)(x+3)
(1,24) is a point of the parabola:
24=k*(1²-9) => k=-3
\(\boxed{y=-3(x^2-9)}\\\)
Drag expressions to show the steps to create an equivalent expression using only positive exponents. Let g and h be two nonzero numbers. g^-3h
Equivalent expressions are expressions that have the same value.
The equivalent expression of \(g^{-3}h\) is: \(\frac{h}{g^3}\)
The expression is given as;
\(g^{-3}h\)
Apply law of indices to change the exponents
\(g^{-3}h = \frac{1}{g^3}h\)
Express as products
\(g^{-3}h = \frac{1}{g^3} \times h\)
Rewrite as
\(g^{-3}h = \frac{h}{g^3}\)
Hence, the equivalent expression is: \(\frac{h}{g^3}\)
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Type the correct answer in the box. The product of (3 - 4) and is 25.
Answer:
3+4i
Step-by-step explanation:
let x be the answer
(3-4i)x=25
x=25/(3-4i)
multiply by the conjugate
x=(25(3+4i))/25
x=3+4i
Step-by-step explanation:
solution
2/7 of 3/4= 2/7×3/4=
(2×3)/ (7×4)
Ans = x= 3+4i
I need help with solving 3x/2= 7x-8
Answer:
16/11
Step-by-step explanation:
Step-by-step explanation:
3x/2=7x-8cross multiply2(7x-8)=3x X 114x-16=3xcollect like terms14x-3x=1611x=16divide by 11 both sidex=16/11The coordinate -1 has a weight of 1, the coordinate 4 has a weight of 2, and the coordinate 9 has a weight of 2. Find the
weighted average.
The weight average of the coordinates is 5
How to determine the weight average?The given parameters are:
Coordinate -1 has a weight of 1Coordinate 4 has a weight of 2Coordinate 9 has a weight of 2The weight average is then calculated as:
Weight average = Sum of (Weight * Coordinate)/Sum of Weights
So, we have:
Weight average = (-1 * 1 + 4 * 2 + 9 * 2)/(1 + 2 + 2)
Evaluate the quotient
Weight average = 5
Hence, the weight average of the coordinates is 5
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A rectangular patio is 9 ft by 6 ft. when the length and width are increased by the same amount, the area becomes 88 sq ft. ginger is using the zero product property to solve the equation (6 x)(9 x) = 88. what does the value of x in her solutions represent?
Answer:
x=2
9+2=11
6+2=8
8x11+88
Step-by-step explanation:
Solve each of the follow
your answers:
| 2.5x=10
3. 2x=14
4. 3x=15
5. 7x=21
| 6.5x = 30
7. 9p=27
8. 6m=30
9. 3q=24
10, 8r=24
Step-by-step explanation:
5x=10 divide both sides by the coefficient of x and that will give you 2. Therefore, x=2
2x=14 divide both sides by the coefficient of x and that will give you 7. Therefore, x=7
3x=15 divide both sides by the coefficient of x and that will give you 3. Therefore, x=3
7x =21 divide both sides by the coefficient of x and that will give you 3. Therefore, x=3
5x=30 divide both sides by the coefficient of x and that will give you 6. Therefore, x=6
9p=27 divide both sides by the coefficient of p and that will give you 3. Therefore, p=3
6m=30 divide both sides by the coefficient of m and that will give you 5. Therefore, m=5
3q=24 divide both sides by the coefficient of q and that will give you 8. Therefore, q=8
8r=24 divide both sides by the coefficient of r and that will give you 3. Therefore, r=3
I will be glad to be corrected if I make any mistake
which of the following is not necessary to book a flight
a) credit card
b) arrival city
c) drivers license
d) date of travel
The option C. Driver's License is not necessary to book a flight.
What is Driver's License?Driver's License is an official document given to a person who is permitted to drive vehicle on the road.
This is usually given after certain tests including Physical driving and other general knowledge of driving.
Now, when we book a flight, credit card can be used to book a flight, but not necessary.
But there is a chance than you can use the credit card.
Arrival city is necessary when you book a flight because then only other procedures will follow.
Similarly, date of travel is also required in order to book the flight on a particular day.
So the least necessary document is Driver's License.
Hence Driver's License is not necessary to book a flight.
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Figure #2 Volume =____ in^3
Answer:
480 in^3
Step-by-step explanation:
Multiplying the length of each of the sides together gives the volume, so \(12*4*10=480\)
A group of students in college of engineering studied the following subjects: 25% studied mathematics subject 20% studied electronics subject 55% studied Communications subject 10% studied both electronics and communications subjects 1- Draw Venn diagram 2- If a student is randomly selected what is the probability that he studied Communications or electronics or both subjects? 3- If a student is randomly selected what is the probability that he studied mathematics and Communications subjects?
Venn diagram:
The percentage of students that studied mathematics = 25%
The percentage of students that studied electronics = 20%
The percentage of students that studied Communications = 55%
The percentage of students that studied both electronics and Communications subjects = 10%
P(studied Communications or electronics or both subjects)
= P(studied Communications) + P(studied electronics) - P(studied both electronics and Communications subjects)
= 55% + 20% - 10%
= 65%
Therefore, the probability that a student studied Communications or electronics or both subjects is 65%.
P(studied mathematics and Communications subjects)
= P(studied mathematics) × P(studied Communications)
= 25% × 55%
= 13.75%
Therefore, the probability that a student studied mathematics and Communications subjects is 13.75%.
Drawing a Venn diagram, we have 25% studying Mathematics (M), 20% studying Electronics (E), and 55% studying Communications (C).10% studied both Electronics and Communications.
Therefore, the percentages become as follows: M = 25% - 10% = 15% E = 20% - 10% = 10% C = 55%.
Part 2 - To obtain the probability that a student studied Communications or Electronics or both subjects
P(Communication or Electronics) = P(Communication) + P(Electronics) - P(Communication and Electronics) = 55% + 20% - 10% = 65%.
The probability that a student studied Communications or Electronics or both subjects is 65%.
Part 3 -To obtain the probability that a student studied Mathematics and Communications subjects,
P(Mathematics and Communications) = P(Mathematics) * P(Communications) = 25% * 55% = 13.75%.
The probability that a student studied Mathematics and Communications subjects is 13.75%.
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What is -3 times 4??
Answer:
-12
Step-by-step explanation:
hope it helps
have a nice evening
the adaptive-response-rate single exponential smoothing model is best applied to time series data that are multiple choice non stationary. stationary and non seasonal. seasonal. stationary and seasonal. seasonal and nonstationary.
The adaptive-response-rate single exponential smoothing model is best applied to time series data that are non stationary and seasonal which means option D is the right answer.
The adaptive response rate single exponential smoothing model is used to demonstrate the changes in the forecasting data and the fluctuation in data values with respect to time which are smoothened by a coefficient. The larger the coefficient, the greater the smoothing effect.
This kind of model is ineffective for stationary time series as it takes into account the smoothing of the information. Adaptive smoothing is computationally difficult. Exponential smoothing produces accurate forecasts. The forecast shows projected demand and actual demand.
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if you used this version of the equation (including your new conversion factor, how would this have changed the intercept of your log-log graph? what would its value have been?
The equation with the new substitutions and conversion factor is a'B'T' = (1/6) * (2/3)^(1/3) * a^(1/3) * d^(1/2)*a^6/6 where k is (1/6) * (2/3)^(1/3) * a^(1/3) * d^(1/2) The intercept value of the log-log graph would have been -1.108.
Starting with Equation 4: T = ka^6/6, we can substitute a = (d/k)^(1/6) and b = (2/3)^(1/2) * (d/k)^(1/3) to get
T = k[(d/k)^(1/6)]^6/6
T = k(d/k)^(1/2)/6
T = (k^(1/2)/6) * d^(1/2)
Now we can rearrange the equation so that a, b, and t are on the left side
a'B'T' = ka^6/6
(a/d)^(1/6) * b^(2/3) * T' = k[(a/d)^(1/6)]^6/6 * T'
(a/d)^(1/6) * (2/3)^(1/2) * (d/k)^(1/3) * T' = (k^(1/2)/6) * d^(1/2) * T'
(2/3)^(1/2) * (a/d)^(1/6) * d^(1/3) * T' = (k^(1/2)/6) * d^(1/2) * T'
(2/3)^(1/2) * (a/d)^(1/6) * d^(1/3) = k^(1/2)/6
k = [(2/3)^(1/2) * (a/d)^(1/6) * d^(1/3)]^2/6
k = (1/6) * (2/3)^(1/3) * a^(1/3) * d^(1/2)
With this new conversion factor, the intercept of the log-log graph would have changed. The intercept represents the value of T when a = 1 (since log(1) = 0). Using the new conversion factor, we have
T = (1/6) * (2/3)^(1/3) * d^(1/2) * a^(1/3)
T = (1/6) * (2/3)^(1/3) * d^(1/2)
log(T) = log[(1/6) * (2/3)^(1/3) * d^(1/2)]
log(T) = log(1/6) + log[(2/3)^(1/3)] + log(d^(1/2))
log(T) = log(1/6) + (1/3) * log(2/3) + (1/2) * log(d)
So the intercept of the log-log graph would be log(1/6) + (1/3) * log(2/3) = -1.108, assuming that d is held constant. This intercept represents the value of log(T) when log(a) = 0, or when a = 1. In other words, when a = 1, the predicted value of T would be 0.162 (or 16.2% of its maximum value).
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--The given question is incomplete, the complete question is given
" Plug the two substitutions into Equation 4 (T = ka^6/6)). Rearrange the equation so that a, b,t are on the left side of the equation and d remains on the right side, e.g. a'B'T' = ka^6/6 you will figure out what the "k" if you used this version of the equation (including your new conversion factor, how would this have changed the intercept of your log-log graph? what would its value have been?"--
Help plz
It would help me a lot
Answer:
The answer is -71.
Step-by-step explanation:
Step-by-step explanation:
What is the original problem?
Is it -1 - (-8)?
If so, then the answer is -7 because negative + negative = positive
-1 + 8 = -7
-31 - 40 = -71
-34 - 40 = -74
Please help me to solve this question as soon as possible. Thank you.
Answer:
Step-by-step explanation:
they will attend on april 12
What is the value of the following expression? 5.5(k+7), when k= -7
Answer:
0
Step-by-step explanation:
5.5(-7+7)
5.5(0)
0
Answer:
0
Step-by-step explanation:
putting k = -7
=> 5.5. ( -7 × 7)
=> 5.5 × 0
=> 0
since any number we multiplied by zero is zero
Choose the complete predicate for the sentence below. My friend from school is going to a football game tomorrow. My friend My friend from school going to a football game tomorrow is going to a football game tomorrow
Answer:
The complete predicate is the following: "is going to a football game tomorrow."
Step-by-step explanation:
A sentence is spit into two main parts, the subject and the predicate. The subject is what the sentence is about and it typically occurs before the verb. Everything before the verb in this case would be the complete subject. What is left is the complete predicate. The complete predicate includes the verb and everything after it until the end of the sentence.
Answer:
The complete predicate is the following: "is going to a football game tomorrow."
Step-by-step explanation:
A sentence is spit into two main parts, the subject and the predicate. The subject is what the sentence is about and it typically occurs before the verb. Everything before the verb in this case would be the complete subject. What is left is the complete predicate. The complete predicate includes the verb and everything after it until the end of the sentence.
Solve for X. Plz help me
Answer:
x = 20
Step-by-step explanation:
\((2x) \degree + x \degree+ 60 \degree + (360 - 120) \degree = 360 \degree \\ \\ (3x) \degree+ 60 \degree + 240 \degree = 360 \degree \\ \\ (3x) \degree+ 300 \degree = 360 \degree \\ \\ 3x = 360 \degree - 300 \degree\\ \\ (3x ) \degree= 60 \degree \\ \\ 3x = 60 \\ \\ x = \frac{60}{3} \\ \\ x = 20 \)