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densk [106]
2 years ago
6

4

Mathematics
1 answer:
Nonamiya [84]2 years ago
4 0
The answer is 1 km
————————————-

Proofs:

Area of a rectangle=length x width

Area of rectangle= 4kmE2
Length of rectangle= 4km
Width of rectangle= X

4=4(x)

Find x

4=4(1)


Therefore the width of the rectangle= 1km
——————————————————————————
Brainliest?
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Sati [7]

Answer:

B.   60x^8

Step-by-step explanation:

4x^2\sqrt{5x^4} \cdot 3\sqrt{5x^8} =

= 4x^2 \times 3 \sqrt{5x^4 \times 5x^8}

= 12x^2 \sqrt{25x^{4+8}}

= 12x^2 \sqrt{25} \sqrt{x^{12}}

= 12x^2 \times 5 \times x^6

= 60x^8

6 0
2 years ago
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g100num [7]
It’s -0.5 because it an integer has to be whole number hope this helps :)
6 0
2 years ago
If 3x - 6y = 8, then x - 2y =
Fiesta28 [93]

Answer:

8/3 or 2.6666

Step-by-step explanation:

You have divided the first equation by 3 -- all except the 8. So you must divide the 8 by 3 giving you 8/3 which is 2 2/3 or 2.66666

Answer (x - 2y) = 8/3

8 0
3 years ago
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Find the x- and y-intercepts of the line with equation 8x - 4y = -64
maw [93]

Answer:

x-intercept:8

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Step-by-step explanation:

This is the equation of a straight line. When the line crosses the x-axis that is the x- intercept, the corresponding y-coordinate will be zero. Substituting y = 0 into the equation and solving for x gives the x-intercept.

8x-(4×0)=-64

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Similarly, when the line crosses the y-axis the corresponding x- coordinate will be zero. Let x = 0 and solve for y.

(8×0)-4y=-64

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7 0
3 years ago
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Answer:

28

Step-by-step explanation:

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2 years ago
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