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3 years ago

For the equation, 2x + 6 = 3x - 10, what is the solution

Mathematics

1 answer:

geniusboy [140]3 years ago

7 0

Answer: x=16

Step-by-step explanation:

$2x+6=3x-10$

Subtract 6 on both sides

$2x+6-6=3x-10-6$

$2x=3x-16$

Subtract 3x on both sides

$2x-3x=3x-16-3x$

$-x=-16$

Divide -1 on both sides

$\frac{-x}{-1}=\frac{-16}{-1}$

$x=16$

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Answer:

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3 years ago

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The area of a rectangle is 36 square inches. Its length is 9 inches. What is its width?

yuradex [85]

Answer:

The dimensions of the rectangle would be 9 and 4

Step-by-step explanation:

Since we are solving for area we only need to find two sides.

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3 years ago

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Plz help i need help on this i do not get it

Andrej [43]

Area of circle 1 = πr²
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Area of circle 1 = 100π km²

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Answer: The big circle is 4 times greater than the small circle.
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3 years ago

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2) Multiply<br> (6x+3)(3x2+8x+5)<br> Help, please shore me how to do this!

Brrunno [24]

Answer:

Result :

3 • (2x + 1) • (x + 1) • (3x + 5)

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2" was replaced by "x^2".

STEP1

Equation at the end of step 1

(6x + 3) • ((3x2 + 8x) + 5)

STEP2

STEP3

Pulling out like terms

3.1 Pull out like factors :

6x + 3 = 3 • (2x + 1)

Trying to factor by splitting the middle term

3.2 Factoring 3x2 + 8x + 5

The first term is, 3x2 its coefficient is 3 .

The middle term is, +8x its coefficient is 8 .

The last term, "the constant", is +5

Step-1 : Multiply the coefficient of the first term by the constant 3 • 5 = 15

Step-2 : Find two factors of 15 whose sum equals the coefficient of the middle term, which is 8 .

-15 + -1 = -16

-5 + -3 = -8

-3 + -5 = -8

-1 + -15 = -16

1 + 15 = 16

3 + 5 = 8 That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, 3 and 5

3x2 + 3x + 5x + 5

Step-4 : Add up the first 2 terms, pulling out like factors :

3x • (x+1)

Add up the last 2 terms, pulling out common factors :

5 • (x+1)

Step-5 : Add up the four terms of step 4 :

(3x+5) • (x+1)

Which is the desired factorization

sorry if its too much...

7 0

3 years ago

Can someone plz help me find the answer to 2x=4 y-16. and 2x-y=-7

telo118 [61]

Answer:

So, y = 2x + 7;

Then, 2x = 4( 2x + 7 ) - 16;

2x = 8x + 28 - 16;

2x = 8x + 12;

- 6x = 12;

x = - 2;

Then, y = 2· (-2) + 7;

y = - 4 + 7;

y = 3.

Step-by-step explanation:

8 0

3 years ago