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Varvara68 [4.7K]
3 years ago
5

W=9000+250t. How many gallons of water are being pumped out each hour? After 11 hours, how many gallons of water is being left i

n the pool?
Mathematics
1 answer:
3241004551 [841]3 years ago
4 0

Answer:11750

Step-by-step explanation:

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Angel bought a 4 cups of freshly squeezed lemon juice. Be used 1/3 of a cup while making homemade lemonade. How many cups of lem
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12

Step-by-step explanation:

4/ 1/3=12

7 0
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Shane biked 1 mile less than three times the number of miles Lissette biked. Shane biked a total of 7 miles. Write an equation t
Alex_Xolod [135]

Answer:

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7 = 3x − 1

7 0
3 years ago
A package of 24 pencils costs 2.88$. at this rate how much would 30 pencils cost?
ASHA 777 [7]
24➗2.88=0.8 30➗0.8 = 3.75 So the answer is 3.75
6 0
3 years ago
On Friday night 225 people saw the dinosaur exhibit at the museum this amount represents 20% of the people who visited the museu
Igoryamba
20 %  = 225
1%  =  225 / 20
100% =  225 * 100 / 20
           =   1125  answer
8 0
3 years ago
Im confused..I feel as if what I’m learning in class itself is not as difficult as the problems my teacher gives us to take home
RideAnS [48]
Ok, so remember that the derivitive of the position function is the velocty function and the derivitive of the velocity function is the accceleration function

x(t) is the positon function
so just take the derivitive of 3t/π +cos(t) twice
first derivitive is 3/π-sin(t)
2nd derivitive is -cos(t)
a(t)=-cos(t)

on the interval [π/2,5π/2) where does -cos(t)=1? or where does cos(t)=-1?
at t=π
so now plug that in for t in the position function to find the position at time t=π
x(π)=3(π)/π+cos(π)
x(π)=3-1
x(π)=2
so the position is 2







ok, that graph is the first derivitive of f(x)
the function f(x) is increaseing when the slope is positive
it is concave up when the 2nd derivitive of f(x) is positive

we are given f'(x), the derivitive of f(x)
we want to find where it is increasing AND where it is concave down

it is increasing when the derivitive is positive, so just find where the graph is positive (that's about from -2 to 4)

it is concave down when the second derivitive (aka derivitive of the first derivitive aka slope of the first derivitive) is negative
where is the slope negative?
from about x=0 to x=2
and that's in our range of being increasing
so the interval is (0,2)
4 0
3 years ago
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