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3 years ago

Help please 6+6x4+8.................

Mathematics

2 answers:

Natasha_Volkova [10]3 years ago

6 0

,12x12=144.................

Anna11 [10]3 years ago

5 0

6+6*4+8
6+24+8
30+8
38

6+6*4+8=38

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X2y4(x2 - 16) - 9y4(x4 - 16) how do i simply this?

e-lub [12.9K]

Answer:

The simplified expression is given as

$8x^2y^4(17x^2-2)$

Step-by-step explanation:

step one:

Given the expression

$x^2y^4(x^2 - 16) - 9y^4(x^4 - 16)$

step two:

First, let us open the bracket we have

$x^2y^4(x^2 - 16) - 9y^4(x^4 - 16)\\\\x^4y^4-16x^2y^4-9x^4y^4+144x^4y^4\\\\$

step three:

collect like terms we have

$x^4y^4-16x^2y^4-9x^4y^4+144x^4y^4\\\\x^4y^4-9x^4y^4+144x^4y^4-16x^2y^4\\\\-8x^4y^4+144x^4y^4-16x^2y^4\\\\136x^4y^4-16x^2y^4\\\\\\$

step four:

we can now factor out $8x^2y^4$ we have

$8x^2y^4(17x^2-2)$

4 0

3 years ago

Cindy has 2 boxes of pencils. Patrice has 5 boxes of pencils. simplified

wel

Answer:

2+5=7

Step-by-step explanation:

eg.1 box has 15 pencils which means cindy have 30 pencils and patrice have 75

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2 years ago

Gasoline mileage of a car is 40 mph. On a smooth road, it’s milage is 5% higher. What is it’s milea on a smooth road?

scZoUnD [109]

It helps to think of a simpler problem. Let's say mpg is 20 and 10% higher on a smooth road.

How many miles will you get with one gallon on a regular road?

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2 years ago

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Vilka [71]

Answer:

x = - 27/8

$x=-3\frac{3}{8}$

Step-by-step explanation:

¹²⁾x/5 - ¹²⁾1/5 = ²⁰⁾x/3 + ¹⁵⁾1/4

12x - 12 = 20x + 15

- 12 - 15 = 20x - 12x

- 27 = 8x

x = - 27/8

$x=-3\frac{3}{8}$

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2 years ago

Find all real solutions to (x^2+4)(x^3-4x^2-3x+12)=0

ad-work [718]

Answer:

x=4 or x=1.732051 or x=−1.732051

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3 years ago