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Romashka [77]
3 years ago
6

Drag each interval to a box to show if the function shown is increasing, decreasing, or neither over that interval.

Mathematics
2 answers:
maxonik [38]3 years ago
7 0

Answer:

Step-by-step explanation:

6

Elden [556K]3 years ago
4 0
The answer to the question is c
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How do you write "the difference between twenty and a number and four is six" as an algebraic expression?
kicyunya [14]
Using the variable x for the unknown number, 

20 - (x + 4) = 6

is your answer!
Hope I helped :)
5 0
3 years ago
What must be true about the discriminant of this quadratic equation for the mentioned values of k? Assume p>0.
Goryan [66]
<span>1/(4p)(x-h)^2+k=0

</span><span>1/(4p)(x-h)^2 = -k
</span>
<span>k(4p)(x-h)^2+1=0

4kp (x^2 - 2xh + h^2) + 1 = 0

4kp x^2 - 8kph x + 4kph^2+1 = 0

D = (-8kph)^2 - 4(4kp)(4kph^2+1) = 64(kph)^2 - 64(kph)^2 - 16kp
D = -16kp < 0

SO discriminant is always less than 0
</span>
4 0
4 years ago
An aquarium 2 m long, 1 m wide, and 1 m deep is full of water. Find the work (in J) needed to pump half of the water out of the
Nitella [24]

Answer:

W=2452.5 J

Step-by-step explanation:

The work is define as the integral of the force times distance. So we have:

W=\int^{a}_{b}Fxdx

Now, we can write the force in terms of density.

F=m*g=\rho Vg

V is the volume (V=2*1*1=2 m³)

So the work will be:

W=\int^{0.5}_{0} 2*1000*9.81*xdx=\int^{0.5}_{0} 2*1000*9.81*xdx=\int^{0.5}_{0}19620xdx=19620(\frac{x^{2}}{2})|^{0.5}_{0}

The limit of integration is between 0 and 0.5 because we want to pump half of the water out of the aquarium.

W=19620(\frac{x^{2}}{2})|^{0.5}_{0}=19620(\frac{0.5^{2}}{2})

W=2452.5 J

I hope it helps you!

8 0
3 years ago
Was doing my work and need help
Arturiano [62]
3/4 divide by 5 is equal to 3/20
4 0
3 years ago
Read 2 more answers
Find the product of the monomial and polynomial xyz*(2x+3y^2-3z^2)
marissa [1.9K]

Answer:

2x^2yz + 3xy^3z - 3xyz^3

Step-by-step explanation:

First you must distribute:

xyz(2x) + xyz(3y^2) + xyz(-3z^2)

Then simplify:

2xyxx + 3xyzy^2 - 3xyz * z^2

And finally simplify each term:

2x^2yz + 3xy^3z - 3xyz^3

4 0
3 years ago
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