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3 years ago

Brainliest!!! Answer quick

Mathematics

1 answer:

solong [7]3 years ago

6 0

Answer: 1mi/5280

Step-by-step explanation: I dunno how to explain this. Its really easy. Always have the converting unit on the denominator

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Solve the inequality. 2(4x - 3)2-3(3x) + 5x? x 20.5 x 22 (-0, 0.5) O (-0, 2]

muminat

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3 years ago

A vehicle traveled at a speed of 54 kilometers per hour for 3 hours. find the distance traveled

skad [1K]

Answer:

162

Step-by-step explanation:

54x3

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3 years ago

Please answer the question from the attachment.

spin [16.1K]

Hi,

7x²-2x-8=0, so a = 7, b= - 2, and c = -8.

You just need to apply the formula for square equations:

$x_{1,2}=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}=\dfrac{-(-2)\pm\sqrt{(-2)^2-4\cdot 7\cdot (-8)}}{2\cdot 7}=\dfrac{2\pm\sqrt{228}}{14}=\dfrac{2\pm\sqrt{4\cdot 57}}{14}=\\\\=\dfrac{1\pm\sqrt{57}}7\Rightarrow x_1=\dfrac{1-\sqrt{57}}7,\;and\;x_2=\dfrac{1+\sqrt{57}}7.$

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3 years ago

If two of the cations have similar rf values how will you be aple to determine the difference

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3 years ago

A hypothetical cube grows so that the length of its sides are increasing at a rate of 2 m/min. How fast is the volume of the cub

Karolina [17]

Answer:

In a min the volume increased by 296m^3

Step-by-step explanation:

Volume of cube = v^3

At 8m = V = 8*8*8 = 512

Since it's growing at 2m/min

The previous volume A min ago would have been

8m - 2m = 6m

V = 6*6*6 = 216

So in a minute, the volume had gone from 216 to 512

The speed = 512 - 216 = 296

So it's volume increased by 296 in a min.

Just for future clarification.

(2 min ago the volume would have been.

8m - (2*2)m = 4

V 2min ago = 4*4*4 = 64.

At 2mins ago the volume changed by 216 - 64 = 152.

So this is what the volume looked like Each minute

0, 8, 64, 216, 512, 1000.)

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3 years ago