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Levart [38]
2 years ago
6

2x^3y^-3*2x^-1y^3 Someone help me with my math.

Mathematics
1 answer:
Virty [35]2 years ago
8 0
The answer is 4x^2

all you gotta do is multiply them like usually but -

(2X^3.)(2X^-1)
4X^(3-1)=4X^2
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Write the equation for the area (A) in terms of length (l) of a playground if the width (w) is one half as long as the length (l
Dvinal [7]
Let, the length = l
Width = l/2

Area = l * w = l * l/2 = l²/2

So, Your Final Answer would be  A = l²/2

Hope this helps!
5 0
3 years ago
What is the cross-sectional area of a cement pipe 2 in. thick with an inner diameter of 5 ft? Use pie 3.14.
Paul [167]

Answer:

1.60 ft^{2}

Step-by-step explanation:

Assuming that this is a cylindrical pipe, the area can be determined by applying the formula for calculating the area of a circle.

i.e Area = \pir^{2}

So that,

for the inner part of the pipe,

r = \frac{diameter}{2}

 = \frac{5}{2}

 = 2.5 feet

Area of the inner part of the pipe = \pir^{2}

                                 = 3.14 x (2.5)^{2}

                                 = 19.625

Are of the inner part of the pipe is 19.63 ft^{2}.

Total diameter of the pipe = 5 + 0.2

                                           = 5.2 feet

r = \frac{5.2}{2}

 = 2.6 feet

Area of the pipe = \pir^{2}

                            = 3.14 x (2.6)^{2}

                            = 21.2264

Area of the pipe is 21.23 ft^{2}.

Thus the cross sectional area = Area of the pipe - Area of the inner part of the pipe

                                           = 21.2264 - 19.625

                                           = 1.6014

The cross sectional area of the cement pipe is 1.60 ft^{2}.

6 0
2 years ago
The intercepts of the equation x^2 + 4y^2 = 16 are ___<br> PLEASE HELP
Eva8 [605]
Yintercepts are where x=0
set to zero to solve

0^2+4y^2=16
4y^2=16
divide 4
y^2=4
sqrt both sides
y=+/-2

xintercept is where y=0

x^2+4(0)^2=16
x^2+0=16
x^2=16
sdqrtboth sides
x=+/-4

yintercepts are (0,2) and (0,-2)
xintercepts are (4,0) and (-4,0)
3 0
3 years ago
Your older brother lives 110 miles away. If you travel by car at about 50 miles per hour, about how long will you travel to your
nordsb [41]
Divide 110 by 50 to get your answer, which would be 2.2. It would take 2.2 hours to get to your brother's house.
6 0
3 years ago
Read 2 more answers
Best answer gets Brainliest!!!
Mashcka [7]
I can’t see it......
6 0
2 years ago
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