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Naddika [18.5K]
3 years ago
8

I am very confused on this question

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
3 0

Answer:

955.0 ft^3 remains in A

Step-by-step explanation:

Volume of a cylnder = V = pi r^2 h

A:   pi (9)^2 *9   =  729 pi    (Note:  You are given DIAMETER...need RADIUS)

B:   pi  (5)^2 *17  = 425 pi

A - B =  pi ( 729 - 425) = 955.0 ft^3 remains

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The width of a rectangle is 2 m less than one-third of the length x. The area is 144 m^2.
tresset_1 [31]

Answer:

L=18, W=8

Step-by-step explanation:

Given :

Area (A)=144 m^2 =LW

Where, L is length and W is width

According to given question ,

W=\frac{1}{3} L-2

Now,

A=LW

144=L(\frac{1}{3} L-2)

432=L^{2} -6L

L^{2} -6L-432=0\\L^{2} -18L+24L-432\\(L+24) (L-18)\\L=-24\\and L=18

Length can be in negative so L =18

And

LW=144\\18W=144\\W=\frac{144}{18} \\W=8

Therefore, Length of rectangle is 18 and Width is 8

4 0
3 years ago
draw the image of each figure under the given transformation. then describe the transformation in words. Help!!!!
PSYCHO15rus [73]
The transformation only needs 5 translations of points to the right. That is what is meant by x+5. Let's take for example the original point P and the transformed point P'. The coordinates of P are (-4,2). Add 5 to -4, the sum would be 1. That's why point P' is at (1,2). The transformed figure is shown in red.

7 0
3 years ago
Read 2 more answers
X=y+4 and y=x+4
timofeeve [1]
Alright, for the two equations you gave me, which are x=y+4 and y=x+4, we can try substitution to get the answer! Substitution is when you take one variable from one equation and plug it into another equation to find out what both variables are!

To do this, we start with the first equation, x=y+4. Then, from the second equation we know that y=x+4 so we can plug x+4 in for the y in the first equation. We now have x=(x+4)+4 as our first equation.

Now, we can simplify! The parenthesis aren't important in this equation, so we can just get rid of them, giving us x=x+4+4. Now we can simplify to give us x=x+8. Now, all that's left is to subtract the x from both sides of the equation! This gives us 0=8, but we know that that's not possible because there is no way that 0 can equal 8. This means that this equation doesn't have an answer!

To check this, you can repeat the steps above with the second equation, but you will still end up with 0=8, and that, again, means that this equation doesn't have an answer.
6 0
4 years ago
Read 2 more answers
Sherman Has 3 cats and 2 dogs. Sherman has $22 to spend on pet toys. How much can he spend on each pet? Write your answer as a f
elena-14-01-66 [18.8K]

Answer:

Improper Fraction : $22/5

Decimal : $4.4

Mixed: $4 2/5 ...

Step-by-step explanation:

Sherman Has 3 cats and 2 dogs

Sherman has $22 to spend on pet toys.

To find the answer divide the  overall amount that Sherman has to spend overall which is $22, Now divide it by the amount of pets that he has, 3+2=5

We can write it as:

Improper Fraction : $22/5

Decimal : $4.4

Mixed: $4 2/5 ....

3 0
3 years ago
The following regular polygon has a side length of ____
vivado [14]

Answer:

9 inches

Step-by-step explanation:

5 sides

45 inches

45:5=9

4 0
4 years ago
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