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2 years ago

Simplify –2x3y × xy 2.

Mathematics

2 answers:

Tom [10]2 years ago

6 0

x = {-1 + 1.5y} Hope this helps , It would really help if u mark as brainliest

marysya [2.9K]2 years ago

5 0

2x^4 y^3
Hope this helps

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The sales tax for an item was 12.80 and it cost 320 before tax

Arlecino [84]

Answer:

Step-by-step explanation:

Divide the tax by the pre-tax price =

12.80/320 = .04 or 4%

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3 years ago

What is the value of x in the equation 2 (x 3) = 4 (x minus 1)? 1 2 3 5.

nordsb [41]

Answer:

-2

Step-by-step explanation:

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2 years ago

What is the sum of the infinite series: 1-4+16-64+. . .

Andrei [34K]

Step-by-step explanation:

I think we cannot find the sum because it will continue on so the series is multiply by 4

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3 years ago

Plllzzz im new and i neeed help

ella [17]

Answer:

4082

Step-by-step explanation:

Given

The composite object

Required

The volume

The object is a mix of a cone and a hemisphere

Such that:

Cone

$r = 10cm$ ---- radius (r = 20/2)

$h = 19cm$

Hemisphere

$r=10cm$

The volume of the cone is:

$V_1 = \frac{1}{3}\pi r^2h$

$V_1 = \frac{1}{3}\pi * 10^2 * 19$

$V_1 = \frac{1900}{3}\pi$

The volume of the hemisphere is:

$V_2 = \frac{2}{3}\pi r^3$

$V_2 = \frac{2}{3}\pi 10^3$

$V_2 = \frac{2000}{3}\pi$

So, the volume of the object is:

$V = V_1 + V_2$

$V = \frac{1900}{3}\pi + \frac{2000}{3}\pi$

$V = \frac{3900}{3}\pi$

$V = 1300\pi$

$V = 1300 * 3.14$

$V = 4082$

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3 years ago

Which statement is true

topjm [15]

I dunno.......................

3 0

2 years ago