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tamaranim1 [39]
3 years ago
6

Plz help..............refresh the page before u answer

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
7 0
If you factor the denominator of the left multiplicand...

[(a-4)(a+3)]/[a(a-4)]  you can see that the (a-4)s cancel out leaving:

(a+3)/a

now you have

(a+3)/a * 2a^3/((a+3)(a-1))  so the (a+3)s cancel out leaving:

1/a * 2a^3/(a-1)  which is:

2a^3/(a(a-1))  so now a^1 cancel leaving

2a^2/(a-1)
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Is figure B a scaled copy of figure A
artcher [175]

No

We know scale factor(k)=y/x

Calculate units as 1 and find k

For left side

\\ \sf\longmapsto k=\dfrac{5}{3}

  • For base

\\ \sf\longmapsto k=\dfrac{4}{4}=1

Hence its not a copy

4 0
2 years ago
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What is reciprocal of the fraction in the equation 3/5(2x+8)=18?
Katen [24]

Answer:

5/3

Step-by-step explanation:

The reciprocal is the fraction upside down.

3 0
2 years ago
Please I neeed help
Novosadov [1.4K]
The answer is 59049 hope this helps
8 0
2 years ago
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Is (4,-2), (1,-1), (0,0), (1,1), (4,2) a function?
Ilia_Sergeevich [38]
No this data set is not a function because two points have x coordinates of 4

Hope this helps
7 0
3 years ago
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7.
Iteru [2.4K]

Answer:

a. 45 π

b. 12 π

c. 16 π

Step-by-step explanation:

a.

If a 3×5 rectangle is revolved about one of its sides of length 5 to create a solid of revolution, we can see a cilinder with:

Radius: 3

Height: 5

Then the volume of the cylinder is:

V=π*r^{2} *h= π*(3)^{2} *(5) = π*(9)*(5)=45 π

b. If a 3-4-5 right triangle is revolved about a leg of length 4 to create a solid of revolution. We can see a cone with:

Radius: 3

Height: 4

Then the volume of the cone is:

V=(1/3)*π*r^{2} *h= (1/3)*π*(3)^{2} *(4) = (1/3)*π*(9)*(4)=12 π

c. We can answer this item using the past (b. item) and solving for the other leg revolution (3):

Then we will have:

Radius: 4

Height: 3

Then the volume of the cone is:

V=(1/3)*π*r^{2} *h= (1/3)*π*(4)^{2} *(3) = (1/3)*π*(16)*(3)=16 π

7 0
3 years ago
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