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schepotkina [342]

3 years ago

6

a gallon of chocolate milk sells for $3.14. a snack-size bottle of chocolate milk sells for 3 cents per ounce. which is a better

buy?

2 answers:

Yuliya22 [10]3 years ago

6 0

A snack-size bottle of chocolate milk is better because it cost less.

Fudgin [204]3 years ago

3 0

The gallon becuase there are 128 ounces in a gallon 3 ×128= 384

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Find the volume of the solid that lies between planes perpendicular to the x-axis at x = pi/4 and x = 5pi/4. The cross-sections

svp [43]

Answer:

The volume of the solid = π²

Step-by-step explanation:

As per the given data of the questions,

The diameter of each disk is

D = 2 sin(x) - 2 cos(x)

So its radius is

R = sin(x) - cos(x).

The area of each disk is

$= \pi \times(sinx-cosx)^{2}$

$= \pi \times [sin^{2}(x) - 2 sin(x) cos(x) + cos^{2}(x)]$

$= \pi[1-2sin(x)cos(x)]$

$= \pi[1-sin(2x)]$

Now,

Integrate from $x=\frac{\pi}{4}\ \ \ to\ \ \ x=\frac{5\pi}{4}$ , we get volume:

$V=\int_{\frac{\pi}{4}}^{\frac{5\pi}{4}} \pi[1-sin(2x)]dx$

After integrate without limit we get

$V=\pi[x+\frac{cos2x}{2}]$

Now after putting the limit, we get

V = π²

Hence, the required volume of the solid = π²

3 0

3 years ago

Pls, help there is no pic.

nata0808 [166]

Answer:

160

Step-by-step explanation:

360/(1+2+2+4)=40

4*40=160

3 0

3 years ago

there are 15 oranges available to be cut up for a hockey team. Each member of the team will get two third of an orange. Using op

Yuki888 [10]

Each member of the team will get two thirds of an orange.

3 0

3 years ago

Expand and simplify (3x+4)(2x+3)

d1i1m1o1n [39]

Answer:

72 you just need to keep multiplying

Step-by-step explanation:

3x4. 2x3

12 x 6

72

3 0

3 years ago

9. w +w+w+w:<br> I’m a little stuck

lara31 [8.8K]

Answer:

Step-by-step explanation:

pretty simple, i am sure you know the answer, as you add all the variables=

=4w

6 0

3 years ago