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3 years ago

Can someone please help with this?

Mathematics

1 answer:

Dimas [21]3 years ago

3 0

The 2nd one I think

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The sum of a number and 2 is 6 less than twice that number

IgorC [24]

Step-by-step explanation:

The first thing we have to do before we can actually do the problem is turn the words into a math equation.

If we use x as our "number," we see that "The sum of a number and 2" can also be written as x+2. The word "Is" almost always means (=), so now we have (x+2) = . The very last part, "6 less than twice that number," means 2x - 6.

So, our whole equation is, (x + 2) = (2x - 6), which simplifies to -x = -8, or

x = 8

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3 years ago

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–2x(–3x 2 y)(2y) = ? A. 12x 3y 2 B. –3xy2 C. 3xy2 D. –12x 3y 2

Rina8888 [55]

Answer:

Option A - $-2x(-3x^2y)(2y)=12x^3y^2$

Step-by-step explanation:

Given : Expression $-2x(-3x^2y)(2y)$

To find : Solve the expression ?

Solution :

Step 1 - Write the expression

$-2x(-3x^2y)(2y)$

Step 2 - Multiply the first two bracket in multiplication if base are same power get added and apply symbol rule of multiplication $(-)(-)=(+)$

$=(6x^3y)(2y)$

Step 3 - Again multiply the bracket,

$=12x^3y^2$

Therefore, Option A is correct $-2x(-3x^2y)(2y)=12x^3y^2$

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3 years ago

100 POINTS! first two people to give me a friend request get 100 points , a thank you, 5 star rateing , and a friend. the first

Anna71 [15]

Answer:

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Step-by-step explanation:

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3 years ago

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Trava [24]

Answer:

Step-by-step explanation:

From the graph....you can see g(-2) = -3 ( see attached diagram below)

then f(-3) = 7 ( because -3 is less than -2. ... so it = 7)

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1 year ago

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liraira [26]

Answer:

Step-by-step explanation:

-3.15*4=(-12.60)

hope this helps :3

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3 years ago