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Zigmanuir [339]
3 years ago
6

A 24,000 gallon pool is being filled at a rate of 40 gallons per minute. At this rate how many minutes will it take to fill this

pool 3/4 full
Mathematics
1 answer:
hammer [34]3 years ago
8 0
450 minutes for 18,000 gallons of water.
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Here are graphs of two functions f and g the function h is defined by h(x)=f(x)-g(x)
bearhunter [10]

i did this last year lol ;-;

3 0
2 years ago
In the function y = 0.25x + 3.5, y represents the cost of a gallon of milk after a certain number of years, x. How much does the
Mkey [24]
Since its telling you that x is the number of years and the question is "How much does the cost of milk increase EVERY YEAR" then you can conclude that the cost is increasing by 0.25 each year
4 0
3 years ago
Read 2 more answers
The equation y = 16x describes the amount of money Louis earns, where x is the number of hours he
Digiron [165]

Answer:

A) $14 per hour

B) Luis earns two dollars per hour more than Carl

Step-by-step explanation:

4 0
2 years ago
Solve the equation 2^(2x+1)+8=17×2^x.
myrzilka [38]
Oooh, looks fun

ok
erm
we might want to know some properties
(x^m)(x^n)=x^{m+n}
(a^b)^c=a^{bc}
if a^m=a^n where a=a, then assume m=n

2^{2x+1}=(2^{2x})(2^1)
so
(2^{2x})(2)+8=17(2^x)
(2^{2x})(2)+2^3=17(2^x)
(2^x)^2(2)+2^3=17(2^x)
minus 17*2^x both sides
(2^x)^2(2)+2^3-17(2^x)=0
use u subsitution, u=2ˣ
(u)^2(2)+2^3-17(u)=0
solve 2u^2+8-17u=0
or
2u^2-17u+8=0
ac method
2 times 8=16
what 2 number multiply to get -17 and add to get 16
-16 and -1
2u²-1u-16u+8=0
(2u²-1u)+(-16u+8)=0
u(2u-1)+(-8)(2u-1)=0
(u-8)(2u-1)+0
u-8=0
u=8

2u-1=0
2u=1
u=1/2

now
u=2ˣ

8=2ˣ
2^3=2^x
3=x

and
\frac{1}{2}=2^x
2^{-1}=2^x
-1=x

x=-1 and 3
neat problem
8 0
2 years ago
What is the equation in point slope form of the line that is parallel to the given line and passes through the point (4,1)
Kobotan [32]
The slope will be the same, so we know the equation will be y=-2x+b. But there is a different b.

For x=4, y will be 1 because the point (4,1) is given.

So 1=-2*4 + b => b = 9

So the equation of our parallel line is y=-2x+9

If we subtract 1 from both sides, we get y-1 = -2x + 8
Then factor out -2 on the right hand side: y-1 = -2(x - 4)

That's answer A!
6 0
3 years ago
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