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3 years ago

Need some help!!! Simplify: (3x^2y)*(5x^3y^2)

Mathematics

1 answer:

Oksana_A [137]3 years ago

8 0

Sorry, I know this is kind of late!

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You must use the Substitution method

elena-14-01-66 [18.8K]

3x+2y=5w is your answer so your main/real answer is 5w

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3 years ago

A zip line starts on a platform that is 404040 meters above the ground. The anchor for the zip line is 198198198 horizontal mete

lubasha [3.4K]

Answer:

I don't know if you mean 4000 and 1980 meters but the answer is they are 3120.

Step-by-step explanation:

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3 years ago

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Death Valley is the location of the lowest land elevation in the USA which is 282 feet below sea level.The location with the hig

il63 [147K]

Answer:

20,038

Step-by-step explanation:

20,320 - 282

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3 years ago

Solve (x + 1)2 – 4(x + 1) + 2 = 0 using substitution.

solniwko [45]

For this case we have to:

Let $u = x + 1$

So:

$u ^ 2-4u + 2 = 0$

We have the solution will be given by:

$u = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}$

Where:

$a = 1\\b = -4\\c = 2$

Substituting:

$u = \frac {- (- 4) \pm \sqrt {(- 4) ^ 2-4 (1) (2)}} {2 (1)}\\u = \frac {4 \pm \sqrt {16-8}} {2}\\u = \frac {4 \pm \sqrt {8}} {2}\\u = \frac {4 \pm \sqrt {2 ^ 2 * 2}} {2}\\u = \frac {4 \pm2 \sqrt {2}} {2}$

The solutions are:

$u_ {1} = \frac {4 + 2 \sqrt {2}} {2} = 2 + \sqrt {2}\\u_ {2} = \frac {4-2 \sqrt {2}} {2} = 2- \sqrt {2}$

Returning the change:

$2+ \sqrt {2} = x_ {1} +1\\x_ {1} = 1 + \sqrt {2}\\2- \sqrt {2} = x_ {2} +1\\x_ {2} = 1- \sqrt {2}$

Answer:

$x_ {1} = 1 + \sqrt {2}\\x_ {2} = 1- \sqrt {2}$

3 0

2 years ago

Read 2 more answers

Help Please What’s The Answer!!

JulsSmile [24]

Answer:

c) (6,0)

Step-by-step explanation:

The formula to find a slope is y=mx-b where m is the slope (to find the slope you find the change in y and the change in x) which in this case is -3. The change in y is -3 and the change in x is -1. If you put it on a graph the line is going down from left to right and it intersects the y-axis at 18 meaning if you keep sloping down in a straigt line it intersects the x-axis at (6,0).

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3 years ago