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4 years ago

15

Simplify.

1 answer:

Ket [755]4 years ago

8 0

First off, nicely done on the exponents. You'd be surprised on how bad some look ,:D

a)
$(3xy^{3})(2x^{2}y)\\ (3*2)(x*x^{2})(y^{3}*y)\\\\ 6x^{3}y^{4}$

b)
$2y(2y+3y^{2})-y^{2}(3-y)\\ (4y^{2}+6y^{3}) + (-3y^{2}+y^{3})\\ (6y^{3}+y^{3})+(4y^{2}-3y^{2})\\ 7y^{3}+y^{2}\\\\ y^{2}(7y+1)$

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4(x - 2) = 2x + 3(x - 5)

yaroslaw [1]

Answer:

x=7

Step-by-step explanation:

4(x-2) = 2x+3(x-5)
4x-8 = 2x+3x-15
4x-8 = 5x -15
-x = -7
x = 7

8 0

3 years ago

Pls help , will give brainliest answer

bija089 [108]

I know this answer!!! It’s A and C for the first one!

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3 years ago

Some students equally share 2 baskets of apples. Each basket has 12 apples. Write an algebraic expression to represent this situ

Soloha48 [4]

Answer:

$y = \frac{24}{x}$ is the algebraic expression to represent the situation.

Step-by-step explanation:

Given:

Some students equally share 2 baskets of apples.

Each basket has 12 apples.

To Find:

An algebraic expression to represent the situation = ?

Solution:

Let the number of students be x

The number of apple each one gets be y

then it is said that there are 12 apples in one basket.

So in two basket there will be

=> $2 \times 12$

=> 24 apples

This 24 apples is to be shared among x students, so

Each student will get

$y = \frac{24}{x}$

4 0

3 years ago

Which is greater? 800 m or 799,999 mm

Lelu [443]

Answer:

800m

Step-by-step explanation:

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3 years ago

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William receives a weekly allowance according to the following formula: For each day that he remembers to do his chores, he eams

mash [69]

Answer = 150.75

50.25 * 5 = 251.25
50.25 * 2= 100.5
251.25-100.5= 150.75

5 0

3 years ago