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3 years ago

What is the value of the expression?

Mathematics

1 answer:

densk [106]3 years ago

7 0

Answer:

Option D

Step-by-step explanation:

I evaluated the numbers in the parentheses and multiply both of them. Then I found the answer that is equivalent to mine. I got 7/10, which is also equal to 7.0 x 10^-1.

Hope this helps! :)

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what is the perimeter of the rectangle with vercities at [4 1/2, 5], [4 1/2,1], [-5 1/2, -1, -5 1/2. 5

umka21 [38]

2.5-2.1=0.4
41+51=92
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3 years ago

What is the product if a-3 and -2a^2+15a+6b2

Ierofanga [76]

The product if a-3 and -2a^2+15a+6b^2 is: $-2a^3+21a^2+6ab^2-45a-18b^2$

Step-by-step explanation:

In order to find the product of 2 expressions, distributive property can be used.

Given expressions are:

$a-3\\and\\-2a^2+15a+6b^2$

Product of given expressions

$= (a-3)(-2a^2+15a+6b^2)\\= a(-2a^2+15a+6b^2)-3(-2a^2+15a+6b^2)\\= -2a^3+15a^2+6ab^2+6a^2-45a-18b^2$

Combining like terms

$= -2a^3+15a^2+6a^2+6ab^2-45a-18b^2\\=-2a^3+21a^2+6ab^2-45a-18b^2$

Hence,

The product if a-3 and -2a^2+15a+6b^2 is: $-2a^3+21a^2+6ab^2-45a-18b^2$

Keywords: Expressions, product

Learn more about expressions at:

#LearnwithBrainly

3 0

4 years ago

Select all that apply.

WINSTONCH [101]

I don’t understand the question can you give more detail

4 0

3 years ago

Read 2 more answers

How to do quadratics

larisa [96]

First, put your polynomial in standard form(ax²+bx+c=0). Then plug the a,b and c for x=(-b+-√b²-4ac)÷2a. As a result, you can either get one, two or no real answers.

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3 years ago

(6.3x10^0)-(5x10^-2) <br><br> and also<br><br> (7x10^-3)+(8x10^-1)

Mekhanik [1.2K]

1. 6.25 x 10^0
2. 8.07 x 10^-1

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3 years ago