This is a bit strange how your teacher mentions the height increases at 10 inches per minute, but then doesn't refer to the time value afterward.
Ignoring that oddity, we have [tex]V = \pi*r^2*h[/tex] turn into [tex]V = \pi*4^2*h[/tex] when plugging in r = 4. This simplifies to [tex]V = 16\pi*h[/tex]
This represents the volume V for any given height h.
Let's plug in [tex]V = 80\pi[/tex] and solve for h
[tex]V = 16\pi*h\\\\80\pi = 16\pi*h\\\\80 = 16*h\\\\80/16 = h\\\\5 = h\\\\h = 5[/tex]
Note: in the jump from step 2 to step 3, I divided both sides by pi.
So we found that when the height is h = 5 feet, this leads to the volume being [tex]V = 80\pi[/tex] cubic feet.
-------------------------------
Let's convert from feet to inches
1 foot = 12 inches
5 feet = 60 inches (multiply both sides by 5)
The height of the cylinder is 60 inches when the volume is 80pi cubic feet.
We're told that the height increases by 10 inches per minute. This would mean that h = 10t assuming the height starts at 0 when the time value is t = 0.
Solving for t leads to...
h = 10t
60 = 10t
60/10 = t
6 = t
t = 6
After 6 minutes, the height is 60 inches = 5 feet.
whats is 17 1/4 plus 7/8
Answer:
I love Math anyways
The ans is in the picture with the steps how i got it
(hope this helps can i plz have brainlist :D hehe)
Step-by-step explanation:
Pleaseeee helpppp!?!?!?!?!?!
Answer:
Question 3: M = -2, B = 1
Question 4: M = [tex]\frac{2}{5}[/tex], B = -6
Question 5: M = 1, B = -5
Question 6: M = [tex]\frac{1}{3}[/tex], B = 4
Step-by-step explanation:
Question 3 explanation: 2x + y < 1 ⇒ y < -2x + 1 ⇒ M = -2, B = 1
Question 4 explanation: 2x - 5y ≥ 30 ⇒ -5y ≥ -2x + 30 ⇒ y ≤ [tex]\frac{2}{5}[/tex]x - 6 ⇒ M = [tex]\frac{2}{5}[/tex], B = -6
Question 5 explanation: x - y > 5 ⇒ -y > -x + 5 ⇒ y < x - 5 ⇒ M = 1, B = -5
Question 6 explanation: 2x - 6y ≤ -24 ⇒ -6y ≤ -2x - 24 ⇒ y ≥ [tex]\frac{1}{3}[/tex]x + 4 ⇒ M = [tex]\frac{1}{3}[/tex], B = 4
Determine the number and type zeros of the quadratic function based on the value of the discriminant.
show work please
A runner is running up a 30 mile steep hill. He passes a sign that says the road is at an
incline of 15° with bottom of the hill, how high is the top of the hill? Round your answer to
the nearest tenth.
Answer:
Step-by-step explanation:
sin15=h/30
h=30sin15
h=7.8 mi
I WILL MARK BRAINLIST please help
Answer:
9
Step-by-step explanation:
45 devided by 5 = 9
Answer:
Step-by-step explanation:
As Area of Rectangle - length * width
As given Area =45 , width = 5 length =x
Hence putting in formula we get ,
45 =5*x
x=9
help please. I dont know how to solve
Find the slope of the line
Y=1/4x+2
The slope is 1/4 and 2 is the y intercept
Step-by-step explanation:
Can someone please help.!
Answer:
C
Step-by-step explanation:
this is because this is the only value that will yield 40 when you have 0 as a x value
40(1/4) to the 0
which is 40*1=40
if my answer helps please mark as brainliest.
Answer:
C. 40(0.25)^x
Step-by-step explanation:
Given that it is an inverse function we can see that when x = 0, y = 40 and when x = 1, y = 10. Then you look for which function fits the criteria, given that only 40(0.25)^x does it is C.
Alan has forgotten his 4-digit PIN code.
He knows the first digit is odd, and the third digit is 3.
How many different sets of 4 digits could it be
25 if im not wrong......
help me please
i need help lol
Answer:
<3 and <4 are supplementary
Step-by-step explanation:
<3 and <4 form a linear pair, so they are supplementary (=180 degrees)
Find KI if GI = 3.2
Can anyone help??
Answer:
I don't know if I'm right I've never done this before but it seems like GI is exactly half of that line so the other half must be 3.2.
Correct me if I'm wrong thank you, and wait for more responses if needed please.
Find the area of a square that has a side length of 4.8 cm.
A=23.04cm² , A=a2=4.82=23.04cm²
Answer: 23.04 cm.
Step-by-step explanation:
To find the area of something, we use the equation l x w, or length x width.
A square has 4 sides, and all 4 sides are equal. If the length of a square is 4.8, then the width is also 4.8 since all 4 sides of a square are equal.
Since we're using the equation l x w to find the area of the square, we have to multiply 4.8 x 4.8.
4.8 x 4.8 = 23.04.
Therefore, the area of the square is 23.04 centimeters!
Solve the equation
Please help and thank you
Answer:
x=2
Step-by-step explanation:
First you add 1/4 to both sides this cancels it out on the left and makes 1 on the right. Secondly you divide by 1/2. 1 divided by 1./2 is 2.
Answer:
x = 2
Step-by-step explanation:
To solve:
[tex]\frac{1}{2} x =\frac{3}{4} +\frac{1}{4}[/tex]
[tex]\frac{1}{2} x = \frac{4}{4}[/tex]
[tex]\frac{1}{2} x = 1[/tex]
[tex]x = 1 x 2[/tex]
x = 2
Hope it helps!
Pleaseee answer correctly !!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!!!
Answer:
Now how did I find the translation rule ( x - 1, y + 4). Well basically, I did was
8 - 9 = -1
-4 - (-8) = 4
Now if you use the same translation rule for (9, -8), you will get :-
(x - 1, y + 4)
( 9 - 1, -8 + 4)
( 8, -4)
I get the same answer that is given in the problem.
Hope this helps, thank you !!
HIIIOO can someone please help me! I miss class and I don’t know what we learned about❤️
Answer:
The answer is C
Step-by-step explanation:
I got this by these steps:
1. Since you have the transversal FH you know that H is going to equal 180
2. So all you do know is subtract 180-82
3. You get 98
4. M<FHJ is 98
Hope that helps
Answer:
=28
Step-by-step explanation:
since its made of two triangles, you can calculate one of the triangles and multiply by two
the degrees of a triangle is 180 degrees
70+82= 152
180-152= 28
can i get brainiest plsss
I need help with this question for my math hw. Please Help!
9514 1404 393
Answer:
1. 2x +2y = 310; x -y = 55
2. y = 50, x = 105
Step-by-step explanation:
Let the numbers be represented by x and y. Double the numbers would give 2x and 2y. We're told the sum of the doubled numbers is 310, so one equation is ...
2x + 2y = 310
The difference of the numbers is (x-y). We're told that difference is 55, so the other equation is ...
x - y = 55
__
We can divide the first equation by 2, and subtract the second.
1/2(2x +2y) -(x -y) = 1/2(310) -(55)
2y = 100 . . . . . . . simplify
y = 50 . . . . . . . . . divide by 2
x -50 = 55 ⇒ x = 105 . . . . use the second equation to find x
The two numbers are 105 and 55.
In a survey 2,500 of people who owned a certain type of car, 625 said they would buy that type of car again. What percent of the people surveyed were satisfied with the car?
Answer:
25%
Step-by-step explanation:
625/2500 = 0.25 = 25%
ASAP I DONT KNOW HOW TO DO THIS.
WILL GIVE A LOT OF POINTS
(COMMON CORE)
ASAP
Answer:
What's the question? You only gave us the equations, we have no idea what its asking
Step-by-step explanation:
Answer:
The paper is right.
Step-by-step explanation:
The fraction is [tex]\frac{4}{5}[/tex] multiplied by [tex]\frac{3}{3}[/tex] and the answer is [tex]\frac{12}{15}[/tex]. How did it do that? Well, the numerator (top number),4, was multiplied by the other numerator ,3, which is 12. The same thing with the denominator (bottom number), the denominator,5, was multiplied by the other denominator ,3, which is 15. But as seen in the paper, the fraction
A. 28
B.30
C.15
D.20
Answer: B
Step-by-step explanation:
30 times 1 equals 30 and there are no other values
Evaluate the expression for the given value of x.−4x + 7 for x = −4
Answer:
23
Step-by-step explanation:
-4x+7
-4(-4)+7=16+7=23
Answer:
23
Step-by-step explanation:
-4x + 7 =
-4(-4) + 7 =
16 + 7 = 23
How do decomposers obtain their food?
Answer:
they are living things that get their energy by eating dead animals and plants. they break down wastes of other animals.
Step-by-step explanation:
Hopefully this helps
Simplify the expression x^-4/5 * x^7/8
Answer:
x^3/40
Step-by-step explanation:
add the exponents
Evaluate 2x + 4 if x=5. Please help me I will give your 5 stars !!!
Answer:
14
Step-by-step explanation:
2(5)+4
10+4
14
Answer:
2x + 4
x = 5
2(5) + 4
10 + 4
14
Answer is 14.
Step-by-step explanation:
Just substitute 5 for x :)
Liz cut a rectangular piece of paper from a larger 10 inch by 12 inch piece of paper. The smaller piece was 2 inches wide and similar to the larger piece of paper.
What was the height of the piece Liz cut from the paper, in inches?
Answer:
2.4 inchesStep-by-step explanation:
Since the pieces are similar, the ratio of corresponding sides is same:
10/2 = 12/xx = 2*12/10x = 2.4 incheswhat is the answer please help me
Answer:
e/g
Step-by-step explanation:
It's e/g cosine is always the adjacent side divided by the hypotenuse
Robin braided g inches of a friendship bracelet. Olivia braided 12 less than 1/3 the number of inches Robin braided. Select all of the expressions that represent the total number of inches braided by Robin and Olivia.
A. 2/3g - 12
B. 4/3g - 12
C. 4(1/3g - 3)
D. 1/3(4g - 36)
E. g + ( 1/3g - 12)
Answer: C. [tex]4(\dfrac13g-3)[/tex]
Step-by-step explanation:
Given: Robin braided g inches of a friendship bracelet.
Number of inches braided by Olivia = [tex]\dfrac13g-12[/tex]
The total number of inches braided by Robin and Olivia = Number of inches braided by Robin + Number of inches braided by Olivia
[tex]=g+\dfrac13g-12\\\\=\dfrac43g-12\\\\\=4(\dfrac13g-3)[/tex]
The total number of inches braided by Robin and Olivia = [tex]4(\dfrac13g-3)[/tex]
Hence, C. is the correct option.
what percent of 66 is 13 help please
Answer:
200
Step-by-step explanation:
so the expression is what is 66 is 13% of what number ( i think)
first turn the percent into a decimal by divided it by 100
33/100 = 0.33
because we are trying to find the whole we divide the given part by the decimal so,
66/0.33 =200, so
66 is 13% of 200
Which of the following describes the correct first step in solving the equation 2x - 7 = 5?
Answer:
you need to post a picture of the options, but the answer is add seven to both sides.
Step-by-step explanation:
Answer:
add 7 to 5
Step-by-step explanation:
1. 2x - 7 = 5
2. 2x = 5 + 7 (reverse the 7)
3. 2x = 12 (simplify)
4. 12/2 (divide number by the unknown value)
5. x= 6 (solve?)
6. 2(6) - 7 = 5 (CHECK)
A rectangular prism has a base with an area of 13 square units and a volume of
109.2 cubic units. The equation shown gives the height, h, in units, of the prism.
13h = 109.2
What is the height, in units, of the prism?
Answer:
Isolate the variable and simplify.
Step-by-step explanation:
13h = 109.2
h = 109.2 ÷ 13
h = 8.4
Your answer would be 8.4 units.
Don't forget units! :)
would it br no solution bc the lines are parallel?
Answer:
Yes
Step-by-step explanation:
The solution to the system of equations shown with a graph is the point where the two lines intersect. Because the lines are parallel they do not intersect, meaning there is no solution.