Answer:
Step-by-step explanation:
The percentage decrease is 25% or 36 subtract 27 gives you 9
Please help im confused.
Answer:
The first choice is the answer.
Step-by-step explanation:
Hello people ~
Find the area of a rectangular blackboard whose length and breadth are 120 cm and 100 cm, respectively.
Thanks in advance
Answer:
12000 cm²Step-by-step explanation:
Area of rectangle is:
A = lw, where l - length, w - widthSubstitute the values into equation and find the area:
A = 120*100 = 12000 cm²Area
Length ×Breadth120(100)12000cm²Step-by-step explanation: Is (5, 5) a solution to the equation y=x ?
Answer:
Yes, (5,5) is a solution of y=x
Step-by-step explanation:
A point is given as a coordinate pair, (x,y). The first number is x and the second number is y. A solution is a pair of numbers that will make the equation true.
To check if the point is a solution, fill in the first number in place of x in the equation. Then fill in the second number for the y.
Here we have the equation:
y = x
Substituting (filling in) we get:
5 = 5 a true statement. So (5,5) IS a solution.
Alternatively, you could graph the equation and verify that the point is on the graph. see image.
A quarter is tossed three times. What is the probability that it will land
on tails three times in a row?
Answer:
The probability of flipping a coin three times and getting 3 tails is 1/8.
Step-by-step explanation:
Two spheres have a scale factor of 3:8. The smaller sphere has a volume of 54pi cubic meters. Find the volume of the larger sphere. Write your answer in terms of pi.
Answer:
i dont know i tried really hard im not really good at math to be honest once again sorry
Step-by-step explanation:
Maya started to run on a treadmill after setting its timer for 57 minutes. The display says that she has finished 27% of her run. How many minutes have gone by? Round your answer to the nearest tenth.
Answer:
15.4 minutes :)
Step-by-step explanation:
We need to turn the percentage into a decimal first :)
27/100 = 0.27
Now we multiply it by 57 to see how much time has gone by!! :)
0.27 x 57 = 15.39
Now to finish, we round!
9> 5
So 3 becomes 4
She has been on the treadmill for 15.4 minutes!
Now you know how to solve this type of problem!!
Have an amazing day!!
Please rate and mark brainliest!!
What is the volume of the cylinder in terms of pi 2 m 6m
Answer:
6πm³
Step-by-step explanation:
To work out the volume of a cylinder, use the formula πr²h
Next, substitute the known values into the equation (remember that the radius is half of the diameter):
volume = π × 1² × 6
The volume of the cylinder is 6πm³
Hope this helps!
How long does it take for a 15 by 15 ft pond to evaporate
Answer:
Evaporation is when liquid turns into a gas or vapor.
This process happens to almost any body of water under the right conditions, including swimming pools.
This means, as a pool owner, you lose a measurable amount of pool water every day through evaporation. Several thousands of gallons of water per year for an average residential pool, in fact.
Step-by-step explanation:
"When you double my number and add 5, you get 17. What is my number?"
Answer: 6
Step-by-step explanation: 6 doubled is 12 then 12 plus 5 = 17
Expand the binomial (3x^2+2y^3)^4
Answer:
Hope it helps!!!brainliest pls!!!please help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
5 times as many should be your answer.
Find the value of the following:
a) 25 - 7.36
b) 8.65 + 4.23 - 3.5
Answer:
a 25-7.36
=17.64
b 8.65+4.23-3.5
=12.88-3.5
=9.38
Answer:
a) 17.64
b) 9.38
Step-by-step explanation:
a) 25 - 7.36 = 25 - 7 - 0.36 = 18 - 0.36 = 17.64
b) 8.65 + 4.23 - 3.5 = 8.65 - 3.5 + 4.23 = 5.15 + 4.23 = 9.38
Hope this helps :)
Have a nice day!
Help on this please.
Answer: 33.88 meters
Step-by-step explanation:
State the domain and range and determine if it's a function?
Help!!!
given f(x) = -x^2+x, find f(-1)
Answer:
f(-1)=0
Step-by-step explanation:
[tex]f(x) = -x^2+x\\\\Now,\\\\f(-1)=-(1)^{2} +(-1)\\\\f(-1)=1-1\\\\f(-1)=0[/tex]
Answer:
-2
Step-by-step explanation:
Since they said f(-1) we know that x = -1
So we plug in -1 for anything that says x
-1^2 - 1
Now we do 1^2 = 1 then mulitpy by -1
that give us -1
-1^2 = -1
-1 - 1 = -2
A ball is thrown from the top of a 50-ft building with an upward velocity of 24ft/s. When will it reach its maximum height? How far above the ground will it be?
(Show your work brainliest)
Check the picture below. When will it reach its height? well, at the vertex, so
[tex]~~~~~~\textit{initial velocity in feet} \\\\ h(t) = -16t^2+v_ot+h_o \quad \begin{cases} v_o=\textit{initial velocity}&24\\ \qquad \textit{of the object}\\ h_o=\textit{initial height}&50\\ \qquad \textit{of the object}\\ h=\textit{object's height}\\ \qquad \textit{at "t" seconds} \end{cases} \\\\\\ h(t)=-16t^2+24t+50\implies \\\\[-0.35em] ~\dotfill\\\\ \textit{vertex of a vertical parabola, using coefficients}[/tex]
[tex]h(t)=\stackrel{\stackrel{a}{\downarrow }}{-16}t^2\stackrel{\stackrel{b}{\downarrow }}{+24}t\stackrel{\stackrel{c}{\downarrow }}{+50} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{ 24}{2(-16)}~~~~ ,~~~~ 50-\cfrac{ (24)^2}{4(-16)}\right)\implies \left( \cfrac{3}{4}~~,~~50-\cfrac{576}{64} \right)[/tex]
[tex]\left(\cfrac{3}{4}~~,~~50+9 \right)\implies \stackrel{\underset{\qquad \downarrow }{\textit{how far up it went}}}{\underset{\stackrel{\uparrow \qquad ~~}{\textit{when it reached it}}}{\left( \cfrac{3}{4}~~,~~59 \right)}}[/tex]
Let f(x)= x(2x-3)/(x+2)x. Find the domain, vertical and horizontal asymptote
Step-by-step explanation:
Domain of a rational function is everywhere except where we set vertical asymptotes. or removable discontinues
Here, we have
[tex] \frac{x(2x - 3)}{(x + 2)x} [/tex]
First, notice we have x in both the numerator and denomiator so we have a removable discounties at x.
Since, we don't want x to be 0,
We have a removable discontinuity at x=0
Now, we have
[tex] \frac{2x - 3}{x + 2} [/tex]
We don't want the denomiator be zero because we can't divide by zero.
so
[tex]x + 2 = 0[/tex]
[tex]x = - 2[/tex]
So our domain is
All Real Numbers except-2 and 0.
The vertical asymptors is x=-2.
To find the horinzontal asymptote, notice how the numerator and denomator have the same degree. So this mean we will have a horinzontal asymptoe of
The leading coeffixent of the numerator/ the leading coefficent of the denomiator.
So that becomes
[tex] \frac{2}{1} = 2[/tex]
So we have a horinzontal asymptofe of 2
If the price of a 8 minute phone call is $1.20 the what is the price of a 17 minute phone call
Answer:
The answer should be $2.55 for a 17 minute call
This figure represents a small plastic container.
What is the volume of the container?
3648 mm³
11,520 mm³
14,400 mm³
15,360 mm³
Answer:
11,520
Step-by-step explanation:
this should be the prism you're talking about if not i dont know which one
Answer:
B. 11,520 mm³
12
Devonte and 19 other students are in
an afterschool robotics program. In order to
attend the state's competition they need to
raise $835.72 for transportation and other
expenses. So far, they have raised $311.12. If
each of the team members were to split the
remaining amount evenly, how much would each
team member be responsible for contributing?
A. $26.23
C. $41.79
B. $15.56
D. $57.34
A soccer stadium had a capacity of 25000 seats, but with the new area built this increased by 20%.
Calculate the number of people in the stadium if on a match only 65% of the seats are occupied.
Answer:
19,500 people
Step-by-step explanation:
20% of 25,000 is 5,000.
Add 5,000 to 25,000 - this will give you 30,000. That is a 20% increase.
65% of 30,000 is 19,500, thus there are 19,500 people in the stadium.
what is the inequality shown
Answer:
-4<x≤5
Step-by-step explanation:
An open circle means 'less than' or 'greater than' while a closed cirlce means 'less than or equal to' or 'greater than or equal to'
which expression is equivalent to 1/4m+3/4m-3/8(m+1)?
A) 5/8m+3/8
b) -5/8m-3/8
c)3/8m+5/8
d)3/8m-5/8
Answer: 5/8m-3/8
Step-by-step explanation:
2. The center of a circle is at (4,-5). The radius of the circle is 10 units. Write the equation of the
circle.
Answer:
Step-by-step explanation:
The equation h = 7 sine (startfraction pi over 21 endfraction t) 28 can be used to model the height, h, in feet of the end of one blade of a windmill turning on an axis above the ground as a function of time, t, in seconds. how long is the blade? assume that the blade is pointing to the right, parallel to the ground, at t = 0, and that the windmill turns counterclockwise at a constant rate. 7 feet 14 feet 21 feet 28 feet
The length of the blade of the windmill will be equal to 7 feet.
What will be the length of the windmill?
We have the equation
[tex]\rm h=7 \ Sin(\dfrac{\pi}{21t})+28[/tex]
At the time 't' = 0, the end of the blade is pointing to the right parallel to the ground meaning it is at the same height as the other end. (Ф = 0°)
So, by calculating the maximum height of this end at Ф = 90°. we can calculate the length of the blade.
Now, we know that a general model equation of a circular simple harmonic motion is represented as
[tex]\rm y=A\ Sinwt+k[/tex]
Where A is the amplitude that is, maximum displacement from mean to maximum position.
ω is the angular frequency.
Comparing the above equations we can conclude that
A = 7
so the difference in blade's end height at Ф = 0° and Ф = 90° is 7 feet.
To know more about simple harmonic motion follow
https://brainly.com/question/17315536
Answer:
7ft or option 1
Step-by-step explanation:
y=-3х +6
у= 9
What is the solution to the system of equation
Answer:
The answer to your problem is x=-1,y=9
Step-by-step explanation:
(-1,9)
Question 9 (Mandatory) (1 point)
A bakery sells hollow chocolate spheres. Each chocolate sphere contains
about 19.4 cubic inches of chocolate.
The bakery packages 8 of them into a box. If the density of the chocolate is
1.308 g/cm3, determine and state, to the nearest gram, the total mass of the
chocolate in the box.
a) 198
b) 203g
C) 25g
d) 150g
Answer:
B) 203 grams
Step-by-step explanation:
19.4 * 1.308 = 25.3752
25.3752 * 8 = 203.0016
What is the area of the smaller square? *
16
32
36
81
The area of smaller square is 81
please help i am confused
Answer:
Step-by-step explanation:
If 70% passed both, then that means 30% passed either one test, or neither test.
Since 80% passed the first test, we know that 20% of the students failed the first test.
This means that the other 10% of the students came from the 80% that already passed the first test.
These make up 10/80 = 12.5% of the people that passed the first test, meaning your answer is 100-12.5=87.5%
A video game developer wants to know how long it takes people to finish playing their new game. They surveyed a random sample of 13 players and asked how long it took them (in minutes).
Estimate the median time it will take all layers to finish this game
Based on the data, the median time it takes players to complete the game is 1148 minutes.
What is the median?It is the mathematical value that is the middle when values are sorted.
How to find the median time?Organize the values457 - 548- 866 - 952 - 976 - 1037 - 1148 - 1235 - 1245- 1431-1486 - 1759 - 1864
Identify the value of the middle
Considering there are 13 values, the value of the middle is the value number 7 or 1148.
Note: This question is incomplete because the data is missing, below I attached the missing section,
Learn more about median time in: https://brainly.com/question/7493103