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andreev551 [17]
2 years ago
14

Simplify. (x 3) 4 • x -3 x -36 x 9 x 4 x -21

Mathematics
2 answers:
Levart [38]2 years ago
4 0

Answer:

-1295x -21

Step-by-step explanation:

srry if it wrong

Alex777 [14]2 years ago
3 0

Answer:

=12x2+−3x+−1296x3+−21

Answer:

=−1296x3+12x2−3x−21

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Lee’s teacher gave her a picture of an angle and asked her to perform a common construction on the figure. Lee used a compass to
Lelechka [254]

Answer:

Congruent Angles

Step-by-step explanation:

8 0
3 years ago
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galina1969 [7]
Both are similar, so Yes.

-All the sides of the squares are equal

-The triangles are also the same, just one is smaller. The one on the right is 2/3 of the one on the left.
8 0
2 years ago
A vertical right circular cylindrical tank has height h=8 feet high and diameter d=6 feet. It is full of kerosene weighing 50 po
Mariana [72]

Answer:

The work done to  pump all of the kerosene from the tank to an outlet is W=45238.9\: J  

Step-by-step explanation:

The work is defined by:

W=\int dFdx (1)    

The force here will be the product between the volume and the kerosene weighing, so we have :

dF=\pi R^{2}dy*50

This force will be in-lbs.

Where R is the radius (3 feet)                    

Then using (1), we have:

W=\int \pi R^{2}dy*50(8-y)  

Here 8-y is a distance at some point of the tank. Now, to get the work done from the base to the top of the tank we will need to take integral from 0 to 8 feet.

W=\int_{0}^{8} \pi 3^{2}dy*50(8-y)

W=450\pi \int_{0}^{8}dy(8-y)

W=450\pi(\int_{0}^{8} 8dy-\int_{0}^{8} ydy)

W=450\pi(8y|_{0}^{8} -\frac{y^{2}}{2}|_{0}^{8})  

W=450\pi(8*8 -\frac{8^{2}}{2})

W=450\pi(64 -\frac{64}{2})

Therefore, the work done to  pump all of the kerosene from the tank to an outlet is W=45238.9\: J  

I hope it helps you!  

6 0
3 years ago
A ride at a park has room for 8 children to ride at once.
djyliett [7]

Answer:

6

Step-by-step explanation:

45/8=5.625

Since there are .625 children left, we need to add another ride to fill in what's left.

4 0
1 year ago
Evaluate the expression below when y = 3. If needed, answer as a fraction or a decimal.<br> y⋅5y+2
Anika [276]

Answer:

-10

Step-by-step explanation:

y-5y+2

=3-5 x 3+2

Using the rule of BODMAS

=3-15+2

=3-13

= -10

<h2><em>OladipoSeun</em><em>♡˖꒰ᵕ༚ᵕ⑅꒱</em></h2>
3 0
3 years ago
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