3 years ago

PLEASE HELP ME QUICK PLEASE EXPLAIN AND IF 2 PPL ANSWER I WILL GIVE BRAINLIEST.. THX

Mathematics

2 answers:

mezya [45]3 years ago

7 0

The answer to this is the top option.

The one on the page with the question.

Rina8888 [55]3 years ago

3 0

The right answer is the bottom one on the second page

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An expression is shown below. Which expression is equivalent to the expression shown?

Vera_Pavlovna [14]

Note: In option A, it should be "+" instead of "(".

Given:

The expression is

$-2x(x+y-3)+3(-x+4y)+y(3x+5y-3)$

To find:

The equivalent expression.

Solution:

We have,

$-2x(x+y-3)+3(-x+4y)+y(3x+5y-3)$

Using distributive property, we get

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

$=-2x^2-2xy+6x-3x+12y+3xy+5y^2-3y$

On combining like terms, we get

$=-2x^2+5y^2+(-2xy+3xy)+(6x-3x)+(12y-3y)$

$=-2x^2+5y^2+xy+3x+9y$

The expression $-2x^2+5y^2+xy+3x+9y$ is equivalent to the given expression.

Therefore, the correct option is A.

6 0

3 years ago

PLZ HELP ASAP FOR BRAINLIEST

kykrilka [37]

Answer:

1/4

Step-by-step explanation:

You can set up ratios or fractions for the matching sides.

A/B

1/4 = 1/4

1.1/ 4/4= 1/4

1.5/6 = 1/4

5 0

3 years ago

Read 2 more answers

Nicholas has a salt shaker in the shape of a cylinder. It has a radius of 8 mm and a height of 30 mm. What is the lateral surfac

Lera25 [3.4K]

Answer:

1507.96

Step-by-step explanation:

5 0

3 years ago

In Bonaparte Valley School District, 13% of all students play football and baseball and 25% of all students play baseball. What

vladimir1956 [14]

Answer:

13/25 or 52%

Step-by-step explanation:

7 0

3 years ago

I need help please it would really help

Softa [21]

Answer:

Step-by-step explanation:

V = 4/3 * radius^3 * pi = 4/3 * 4^3 * pi = 256 /3 * pi

7 0

3 years ago