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3 years ago

How to do this question plz answer me step by step plzz plz

Mathematics

2 answers:

Nostrana [21]3 years ago

8 0

Answer:

4 cm

Step-by-step explanation:

Volume of milk

LBH

L= 8, B= 5 and H =12

5×8×12=480

After rotation

L= 8, B=15 and H=x

V=LBH

480=8×15×x

480=120x

x=4cm

qwelly [4]3 years ago

7 0

Answer:

The depth of the milk is 4cm when turned

Step-by-step explanation:

First we need to figure out how much milk is inside the container. We can do this by finding the volume it takes up. The milk's depth is 12cm so the height is 12 instead of 15. The length and width remain the same (5 and 8)

5x8x12=480 cm^3

The volume of the milk is 480, so when the carton is turned, the milk's volume still is the same

When it is turned, the base changes. Now it is 8 and 15 for the length and width. We just need to find the height.

8x15xh=480

120h=480

h=4

The depth of the milk is 4cm when turned

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Elina [12.6K]

I think that you forgot to give the picture of the circle along with the question. I am answering the question based on my research and knowledge.

The total unshaded part of the circle = (3/5 + 1/4)
= (12 + 5)/20
= 17/20
Now, the full circle can be considered = 1
Then
The total shaded part of the circle = 1 - (17/20)
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= 3/20
I hope that this is the answer that has actually come to your desired help.

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4 years ago

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Natalka [10]

Answer:

Final potential energy = 24 Joule

The velocity with which object must be thrown = $4 \sqrt{10}$ m/s

Step-by-step explanation:

Given:

Mass of object, m = 0.30 Kg

Height of object, h = 8 m

Acceleration due to gravity, g = 10 $ms^{-2}$

a) Formula for Potential Energy:

$E_p =mgh$

Where m is the mass of object

g is acceleration due to gravity and

h is the height of object

Putting the values of m, g and h

$E_p = 0.3 \times 10 \times 8\\\Rightarrow E_p =24 J$

b) Formula for initial and final velocity:

$v^{2} =u^{2} +2gh$

where v is the final velocity

u is the initial velocity with which the object is thrown

g is acceleration due to gravity and

h is the height obtained by object

here v = 0 at the height 8 m because it will come to rest at the point it attains the maximum height.

h = 8m

g = -10 $ms^{-2}$ (negative because the object's velocity is decreasing)

Putting the values to find 'u':

$0^{2} =u^{2} +2 \times -10 \times 8\\\Rightarrow u^{2} = 160\\\Rightarrow u = 4 \sqrt{10}\ m/s$

7 0

3 years ago

A triangle has side lengths 7/8 and 3/4. What is the length of the third side, b?

aniked [119]

Answer:

probably 2/4 try it I don't know

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3 years ago

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5/7 = y/6 Solve the following proportion for y Round your answer to the nearest tenth

RUDIKE [14]

Answer:

The value of y = 4.3

Step-by-step explanation:

It is given that,

5/7 = y/6

To find the value of y

We have, 5/7 = y/6

(5 * 6) = (y * 7)

y * 7 = 5 * 6

y = (5 * 6)/7

= 30/7

= 4.29

≈ 4.3

Therefore the correct answer, the value of y = 4.3

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3 years ago

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SSSSS [86.1K]

Answer:

Number 3,4, and 5

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When expanding brackets, 3rd one expands to 2x +4g

4th one is 4g + 2x so the other way around

When added up, 5 is 2x +4g

3 0

3 years ago

How to do this question plz answer me step by step plzz plz ​

How to do this question plz answer me step by step plzz plz