Answer:
7 Hours 12 Minutes
Step-by-step explanation:
So they one of the printer increases at a rate of 1/12 and the other increases at a rate of 1/18. Since you don't know the time it actually takes, you will replace both numerators with and x. (x/12 and x/18). You want to set these up so that they are adding. (x/12 + x/18=1). Since you're adding, you want to change it to the same denominator. The lowest is 36 so you multiply x/12 by 3/3 (so you don't unbalance the equation) and x/18 by 2/2. You'll end up with 3x/36 + 2x/36= 1 which will simplify to 5x/36=1. Multiply each side by 36 to leave the variable by itself. It becomes 5x=36 and when you divide it by 5 you get 7.2. So it's seven and .2 hours, which is equivalent to7 and 1/5 of an hour or 7 hours and 12 minutes.
Final answer:
When the two printing presses work together, they complete the job in 7.2 hours by adding their rates of work.
Explanation:
To solve how long it will take for two printing presses to complete a job when working simultaneously, one needs to add their individual rates of work. The first press can print the newspaper in 12 hours, and the second press can print it in 18 hours. Their rates are 1/12 and 1/18 newspapers per hour, respectively.
To find out how many newspapers per hour they can produce together, we simply add their individual rates:
1/12 newspaper per hour (first press) + 1/18 newspaper per hour (second press) = (1/12 + 1/18) newspapers per hour
Finding a common denominator, which is 36, we get:
(3/36 + 2/36) newspapers per hour = 5/36 newspapers per hour
Now, to find how long it takes for the combined presses to print one newspaper, take the reciprocal of the combined rate:
1 / (5/36) = 36/5 hours
Therefore, if both presses work together, they will complete the job in 7.2 hours.
Find the zeros of the function.
f(x) = 9x^2 + 6x - 8
Answer:
[tex]\large\boxed{-\dfrac{4}{3}\ and\ \dfrac{2}{3}}[/tex]
Step-by-step explanation:
[tex]f(x)=9x^2+6x-8\\\\\text{The zeros:}\\\\9x^2+6x-8=0\\\\9x^2+12x-6x-8=0\\\\3x(3x+4)-2(3x+4)=0\\\\(3x+4)(3x-2)=0\iff3x+4=0\ \vee\ 3x-2=0\\\\3x+4=0\qquad\text{subtract 4 from both sides}\\3x=-4\qquad\text{divide both sides by 3}\\\boxed{x=-\dfrac{4}{3}}\\\\3x-2=0\qquad\text{add 2 to both sides}\\3x=2\qquad\text{divide both sides by 3}\\\boxed{x=\dfrac{2}{3}}[/tex]
Help please :( ASAP don’t do wrong answers
Answer:
D. 140
Step-by-step explanation:
volume equals length times width times height 7 times 4 times 5 equals 140 good luck
(3+5^2)(5-4^2) how to simplify?
Answer:
-308
Step-by-step explanation:
[tex](3+5^2)(5-4^2)[/tex]
[tex]28(5-4^2)[/tex]
[tex]28(-11)\\[/tex]
[tex]-308[/tex]
Hope that helped!
What is 131 rounded by the nearest tenth?
Hello There!
131 rounded to the nearest 10 or
the tens place is 30
It is 130.
Rounding down because it is lower than 5.
Hope this helps! The
2.314 (14 repeating) as a fraction
Answer:
Therefore, x = [tex]\frac{2291}{990}[/tex].
Step-by-step explanation:
Given : 2.314 (14 repeating) .
To find : Express as a fraction .
Solution : We have given 2.314 (14 repeating) .
Let x = 2.31414141.......
On multiplying both sides by 100
100x = 100 * 2.31414141....
100x = 231.414141......
We can express 231.414141...... in term of x .
100x = 229 .1 + 2.31414141.......
100x = 229.1 +x
On subtracting both sides by x .
100 x -x = 229 .1
99x = 229.1
On dividing both sides by 99
x= [tex]\frac{229.1}{99}[/tex].
x = [tex]\frac{2291}{990}[/tex].
Therefore, x = [tex]\frac{2291}{990}[/tex].
The repeating decimal 2.3141414... expressed as a fraction is [tex] \frac{2291}{990} [/tex]
The decimal given : 2.3141414
Let :
x = 2.31414 - - - (1)Since only the 14 keeps repeating :
Multiply (1) by 10 in other to keep the repeating digits only to the right of the decimal Point.10x = 23.1414 - - - - (2)Multiply (2) by 100
1000x - 2314.1414 - - - - (3)Subtract (2) from (3)1000x - 10x = 2314.1414 - 23.1414
990x = 2291
Divide both sides by 990x = 2291 / 990Hence, 2.31414...expressed as a decimal is [tex] \frac{2291}{990} [/tex]
Learn more : https://brainly.com/question/15406832?referrer=searchResults
Help me please!!
A watering can dispenses water at the rate of 0.3 gallon per minute. The original volume of water in the can was 7 gallons. Which set of ordered pairs shows the volume of water in the can in gallons (y), as a function of time in minutes (x), from the first minute after the can starts dispensing water?
{(1, 6.7), (2, 6.4), (3, 6.1)}
{(1, 7.0), (2, 6.7), (3, 6.4)}
{(6.7, 1), (6.4, 2), (6.1, 3)}
{(7.0, 1), (6.7, 2), (6.4, 3)}
Answer:
{(1, 6.7) , (2, 6.4) , (3, 6.1)}
Step-by-step explanation:
A watering can dispenses water at the rate of 0.3 gallon per minute.
The original volume of water in the can was 7 gallons.
If you plot a graph of volume of water in the can (gallons) against time (minutes),
The set of points on the graph will be:
After 1 minute: (1, 7 - 0.3) = (1, 6,7)
After 2 minutes: (2, 7 - 0.6) = (2, 6.4)
After 3 minutes: (3, 7 - 0.9) = (3, 6.1)
i.e the set {(1, 6.7) , (2, 6.4) , (3, 6.1)}
What are possible outcome of a spin of the spinner
Answer:
Step-by-step explanation:
it would depend on how many numbers are on the spinner like if their is 6 numbers on the spinner and if your trying to get a 4 then it would be 1/6.
Hope my answer has helped you!
Darwin bought 5 boxes of corned beef.a box contains one and a half dozen cans of corned beef.if he sold all the corned beef at 45.00 pesos each, how much did he earn....please answer with solution of AGONSA
The answer is:
Darwin earned 4050 pesos
Why?To solve the problem, first, we need to calculate the total quantity of corned beef, and then, calculate the total earning amount.
We have a box of corned beef one and half dozen cans, or 1.5 zones.
So, calculating we have:
[tex]TotalBeef=Dozen*1.5=12*1.5=18[/tex]
We have that there are 18 cans of corned beef per box, now, if he sold all the 5 boxes of corned in 45.00 pesos each, we have:
[tex]TotalEarning=Cans*45.00(pesos)=18*5*45.00pesos=4050(pesos)[/tex]
Hence, we have that Darwin earned 4050 pesos.
Have a nice day!
Suppose a point at (2, 3) is translated to 7, -1). Which rule describes this translation?
O translate right 5, down 4
O translate left 5, up 4
O translate right 9, down 2
translate left 9, up 2
Answer:
translate right 5, down 4translate right 5, down 4
Step-by-step explanation:
translate right 5, down 4: Note that the x-coordinate 2 becomes 7, and that the y-coordinate 3 becomes -1.
Answer:
From (2,3) translate 5 to the right and 4 down to get (7,-1).
Step-by-step explanation:
(x,y)→(x+5,y−4)
(2,3)→(2+5,3−4)
(2,3)→(7,-1)
Hope this helps :)
*Pls mark my answer Brainliest*
In the diagram, a circle centered at the origin, a right triangle, and the Pythagorean theorem are used to derive the equation of a circle, x2 + y2 = r2. If the center of the circle were moved from the origin to the point (h, k) and point P at (x, y) remains on the edge of the circle, which could represent the equation of the new circle? (h + x)2 + (k + y)2 = r2 (x – h)2 + (y – k)2 = r2 (k + x)2 + (h + y)2 = r2 (x – k)2 + (y – h)2 = r2
Answer:
(x – h)2 + (y – k)2 = r2
Step-by-step explanation:
If the center of the circle were moved from the origin to the point (h, k) and point P at (x, y) remains on the edge of the circle the equation of the new circle
(x – h)2 + (y – k)2 = r2
Based on Pythagorean theorem, and the location of the center of the
circle, (h, k), the equation of the circle is represented by the option;
(x - h)² + (y - k)² = r²How can the equation of the circle be found?
The general form of the equation of the circle is (x - h)² + (y - k)² = r²
Where;
(h, k) = The center of the circle
r = The radius of the circle
A description of the equation of the circle is as follows;
With regard to a location on the edge (circumference), of the circle, (x, y),
where, the center of the circle is (h, k), by Pythagorean the sum of the
square of the length of the horizontal side, (x - h), and the square of the
vertical side (y - k), of the right triangle formed gives the square of the
radius of the circle.
Therefore, the equation of the new circle can be represented by the equation;
(x - h)² + (y - k)² = r²The above equation is the general form of the equation of a circle.
Learn more about the equation of a circle here:
https://brainly.com/question/20863621
Please Answer!!! how do the graphs of (x) = x^2 and g (x)= 3/4 x^2? relate?
a. the graph of g(x) is the graph of f(x) compressed horizontally by a factor of 3/4
b. the graph of g(x) is the graph of f(x) compressed vertically by a factor of 3/4
c. the graph of g(x) is the graph of f(x) compressed vertically by a factor of 4/3
d. the graph of g(x) is the graph of f(x) compressed horizontally by a factor of 4/3
Answer:
The correct option is B.
Step-by-step explanation:
The given functions are
[tex]f(x)=x^2[/tex]
[tex]g(x)=\frac{3}{4}x^2[/tex]
It can be written as
[tex]g(x)=\frac{3}{4}f(x)[/tex] .... (1)
The vertical stretch and compression is defined as
[tex]g(x)=kf(x)[/tex] .... (2)
If k>1, then it represents vertical stretch by factor a.
If 0<k<1, then it represents vertical compression by factor a.
From (1) and (2), we get
[tex]k=\frac{3}{4}[/tex]
Since k<1, therefore he graph of g(x) is the graph of f(x) compressed vertically by a factor of 3/4.
Hence the correct option is B.
Gavin is analyzing the success of a newly launched game app. The game takes place on an island that's been overrun with zombies. When a player is on level one of the game, the population of zombies is 50,000. Each time the player advances to a new level, that population grows at a rate of 5%. Answer the questions that follow to continue Gavin’s analysis.
Gavin's analysis of a game's zombie population growth involves understanding the concept of exponential growth, characterized by a fixed percentage increase over time, and the eventual transition to logistic growth as resources become limited.
Explanation:The scenario presented involves an analysis of exponential growth, which is a typical mathematical concept found within algebra and applied mathematics.
Gavin's analysis of the game app, which features a starting zombie population of 50,000 that grows at a rate of 5% per level, allows us to examine how the population changes as players advance through the levels.
Exponential growth is characterized by a constant rate of growth applied to a continuously growing base over time.
In the case of the example town mentioned, we learn that exponential growth can lead to doubling populations and that the rule of 70 is a shortcut to estimate the number of years required for a population to double at a constant growth rate.
Specifically, if the town's population doubles every 10 years, this implies a growth rate of approximately 7% per year since 70 divided by the growth rate (7) equals the doubling time (10 years).
However, such unchecked exponential growth will eventually transition to logistic growth, especially when resources become limited, thus limiting the population size to a maximum capacity, known as carrying capacity.
In biology, this logistic growth curve begins with an exponential phase, followed by a slowdown, and eventually levels off at the carrying capacity.
Final answer:
The subject of this question is Mathematics and the grade is High School. Gavin is analyzing the success of a newly launched game app. The game takes place on an island that's been overrun with zombies. Each time a player advances to a new level, the population of zombies grows at a rate of 5%.
Explanation:
The subject of this question is Mathematics and the grade is High School.
In this question, Gavin is analyzing the success of a newly launched game app. The game takes place on an island that's been overrun with zombies. When a player is on level one of the game, the population of zombies is 50,000. Each time the player advances to a new level, that population grows at a rate of 5%.
To calculate the population of zombies at each level, we can use the formula:
The population of zombies at level one: 50,000The population of zombies at level two: 50,000 x 1.05 = 52,500The population of zombies at level three: 52,500 x 1.05 = 55,125And so on...By using this exponential growth formula, Gavin can analyze the growth of the zombie population as players advance through the levels of the game.
Please help !!! Urgent !!!What is the value of x???
Answer:
40
Step-by-step explanation:
x + (4x-20) = 180
5x - 20 = 180
5x = 200
x = 40
Answer:
the answer is 40
Step-by-step explanation:
the value of x and 4x -20 will be 180 degrees because it is a line and so you set the sum of those to 180 and solve for x
Which of the following is a monomial? A. 2x − yz B. 2 + xyz C. 2xyz2 D. 2x + yz
For this case we have by definition that a monomial is the product of a known number (called coefficient) by one or several unknown values, represented by letters (literal part or variables).
If there were a sum or subtraction, it would be a binomial.
Examples of monomial:
[tex]5x ^ 7 * y ^ 2[/tex]
Then, according to the above, the correct option is option C.
Answer:
Option C
Find p(2)
Find p(2 or fewer)
Answer:
P(2)=0.021942 approximately
P(2 or fewer)=0.02711 approximately
Step-by-step explanation:
[tex] P(x)=(n choose x) *p^x * q^{n-x} [/tex]
x is the number of successes desired
p is probability of getting a success per trial
n is the number of trials
q is 1-p
So n=15 and p=.4 here
And you want to know P(2) which means x is 2
Plug in this information
[tex] P(2)=(15 \text{ choose } 2) *.4^2 * .6^{15-2} [/tex]
Just plug into calculator... P(2)=0.021942 approximately
For p(2 or fewer) you just do P(0)+P(1)+P(2)
I already found P(2)
You need to find P(1)
Once you get P(1), add that result to 0.021942.
Try to do part b and I will tell you if you got it right or not.
So P(2 or less) is P(0)+P(1)+P(2)
So to complete this we need to find P(1) and almost forgot P(0)...
We already have P(2).
P(0)=(15 choose 0) *.4^0*.6^(15-0)=0.00047
P(1)=(15 choose 1) *.4^1 *.6^(15-1)=.004702
Now P(2)=0.021942
--------------------------add these
0.027114 approximately
A hiking trail is 6 miles long. It has 4
exercise stations, spaced evenly along the
trail. What is the distance between each
exercise station?
Answer:
8800 ft apart
Step-by-step explanation:
1). Convert miles to feet. 6 2/3 x 5280 = 35200
2). Divide by 4. 35200/4 = 8800
Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. Use the drop-down menus to identify the steps Lorne used to find the difference.
Final answer:
Lorne subtracted the polynomial 6x³ − 2x + 3 from − 3x³ + 5x² + 4x − 7 by changing the signs of the second polynomial and combining like terms, resulting in the difference − 9x³ + 5x² + 6x − 10.
Explanation:
To find the difference between two polynomials, we subtract the corresponding terms of the second polynomial from the corresponding terms of the first. In the given problem, Lorne subtracted 6x³ − 2x + 3 from − 3x³ + 5x² + 4x − 7. To do this, we change the signs of the polynomial being subtracted and then combine like terms.
First, we write the problem with the second polynomial's signs changed: − 3x³ + 5x² + 4x − 7 - (6x³ − 2x + 3).
Next, we distribute the negative sign: − 3x³ + 5x² + 4x − 7 - 6x³ + 2x - 3.
Finally, we combine like terms: (− 3x³ − 6x³) + (5x²) + (4x + 2x) + (− 7 − 3).
The resulting difference is − 9x³ + 5x² + 6x − 10.
Factor the following expression.
27y3 – 343
a. (3y + 7)(9y2 + 2ly + 49)
b. (3y – 7)(9y2 + 2ly + 49)
c. (3y – 7)(932 – 217 + 49)
D. (3y + 7)(92 – 2ly + 49)
Answer:
b
Step-by-step explanation:
use formula of a^3-b^3
Answer:
D
Step-by-step explanation:
(3y - 7) (9y^2 + 21y + 49)
let me know if it's right
#platolivesmatter
What types of parts are necessary for a complex number?
Answer:
A complex number is of type
a+bi
where a is the real parts and b is the imaginary part.
Step-by-step explanation:
A complex number is of type
a+bi
where a is the real parts and b is the imaginary part.
i is called imaginary number because no real number satisfies this equation
An example of complex number can be: 7+8i or 23+9i etc
A line passes through the points (–1, –5) and (4, 5). The point (a, 1) is also on the line.
whats a value?
Answer: [tex]a=2[/tex]
Step-by-step explanation:
We need to analize the information provided:
We know that this line passes through the point [tex](a,1)[/tex] where "a" is the unknown x-coordinate of that point and 1 is the y-coordinate.
We know that the line also passes through the point (-1, -5) and the point (4, 5).
Then, in order to find the value of "a", we can plot the known points and draw the line (Observe the image attached).
You can observe in the image attached that the point whose y-coordinate is 1 is the point (2,1). Therefore, the value of "a" is:
[tex]a=2[/tex]
Answer:
D: 2
Step-by-step explanation:
PLEASE HELP ME !!!! 10PTS
The description is very simple: Incorrectly solved.
More specifically at step 2 the subtraction of 3.8 should have been on both sides.
[tex]
x+3.8=2.3 \\
x+3.8-3.8=2.3-3.8 \\
\boxed{x=-1.5}
[/tex]
Hope this helps.
r3t40
Answer:
He or she did not properly use the subtraction property of equality. On the right side in the second step of the equation, he or she added 3.8. The correct method to solve for x is by subtracting 3.8 on both sides. Therefore, the answer should be x = -1.5 because 2.3 - 3.8 = -1.5.
What is the equation, in point-slope form, of the line that is
perpendicular to the given line and passes through the
point (-4, -3)?
Answer:
Step-by-step explanation:
There is no given equation, so it is impossible to figure this out. I apologize.
Answer: I was told the third option
Step-by-step explanation:
Terrence buys a new car for $20,000. The value of the car depreciates by 15% each year. If f(x) represents the value of the car
after x years, which function represents the car's value?
f(x) = 20,000(0.85)*
f(x) = 20,000(0.15)*
f(x) = 20,000(1.15)
f(x) = 20,000(1.85)
Answer:
f(x) = 20,000(0.85)*
Step-by-step explanation:
Answer: [tex]f(x)=20,000(0.85)^x[/tex]
Step-by-step explanation:
We know that the exponential decay (depreciation) equation with rate of decay r in time period x is given by :-
[tex]f(x)=A(1-r)^x[/tex], A is the initial value .
Given: The initial value of truck = $20,000
Rate of depreciation= 15% = 0.15
Now, the function represents the car's value after x years is given by ;-
[tex]f(x)=20,000(1-0.15)^x\\\\\Rightarrow\ f(x)=20,000(0.85)^x[/tex]
Solve this equation: n-(-8) = 15
n =
n - ( -8 ) = 15
n + 8 = 15
n = 15 - 8
n = 7
The answer is:
n = 7
5,5,5,7,7 mean median mode range
[tex]\text{Hey there!}[/tex]
[tex]\text{The mean is when you add up ALL your numbers then divide by the number}[/tex] [tex]\text{of numbers in the equation}[/tex]
[tex]\text{5+5+5+7+7=15+14=29}[/tex]
[tex]\text{We have 5 terms in this equation so divided 29 from 5}[/tex]
[tex]\bf{29\div5=5.8}[/tex]
[tex]\boxed{\text{Mean: 5.8}}\checkmark[/tex]
[tex]\text{Median is the middle number of the set of numbers}[/tex]
[tex]\boxed{\text{Median: 5}}\checkmark[/tex]
[tex]\text{Mode is when you see a number MORE THAN ONCE}[/tex]
[tex]\text{You see 5 three times but the 7 twice, so this will make it tricky to answer}[/tex]
[tex]\text{Since, you see 5 three times.. it could be your mode}[/tex]
[tex]\boxed{\text{Mode: 5}}\checkmark[/tex]
[tex]\text{Range is when subtract the HIGHEST NUMBER from the LOWEST NUMBER}[/tex]
[tex]\text{7-5=2}[/tex]
[tex]\boxed{\text{Range: 2}}\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{LoveYourselfFirst:)}[/tex]
You are helping with some repairs at home. You drop a hammer and it hits the
floor at a speed of 8 feet per second. If the acceleration due to gravity (g) is
32 feet/second, how far above the ground (h) was the hammer when you
dropped it? Use the formula:
V = 2gh
Answer:
1 foot.
Step-by-step explanation
That is not the correct formula. Correct is V^2 = 2gh where h = the height
so the equation is:
8^2 = 2*32* h
h = 64/ 64 = 1 foot.
Answer:
[tex]h=\frac{1}{8} feet[/tex]
Step-by-step explanation:
In order to be able to solve this problem you just have to clear the formula for height:
V=2gh
[tex]\frac{V}{2g}=H[/tex]
[tex]\frac{8}{64}=H[/tex]
[tex]\frac{1}{8}=H[/tex]
So the height from which the hammer is dropped is 1/8 feet.
A rectangle has a perimeter of 24 inches. If the width is 5 more than twice the length,
what are the dimensions of the rectangle?
Answer:
Step-by-step explanation:width is 11 length is 13
30% of what equals 60
Answer:
30% of 200 equals 60.
Step-by-step explanation:
There is a formula we use to this specific type of problem. It's called the rule of 3.
30% - 60
100% - x
(60 * 100) / 30 =
6000 / 30 =
200
Step-by-step proof:
To prove our answer, what me must do is use another formula:
(200 * 30) / 100 = 60
6000 / 100 = 60
60 = 60
↑ Both numbers are equal (equation is true), therefore, our solution is correct.
Hope it helped,
BiologiaMagister
Please help I need it
Answer:
Yes. It's a right triangle.Step-by-step explanation:
If a ≤ b < c are the length of the sides of a right triangle, then
a² + b² = c².
We have:
a =30 ft, b = 40 ft and c = 50 ft.
Check the equality:
L = 30² + 40² = 900 + 1600 = 2500
R = 50² = 2500
L = R
What is The value of -8/15 · 20/64
Answer:
[tex] - \frac{8}{15} \times \frac{20}{64} = - \frac{8}{15} \times \frac{5}{16} = - \frac{1}{6} [/tex]