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2 years ago

If A=2x-7x^2+3and B=4x^2-12x what is A+b

Mathematics

1 answer:

yaroslaw [1]2 years ago

3 0

Answer:

-3x²-10x+3

Step-by-step explanation:

if A=2x-7x²+3 and B=4x²-12x, then A+B:

(2x-7x²+3)+(4x²-12x)=-3x²-10x+3.

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Simplify the following rational expression without using a calculator: (12².6³.5²)/(18².15).

prohojiy [21]

Answer:

160

Step-by-step explanation:

$\dfrac{12^2\cdot 6^3\cdot 5^2}{18^2\cdot 15}=\dfrac{(2^2\cdot 3)^2\cdot (2\cdot 3)^3\cdot 5^2}{(2\cdot 3^2)^2\cdot (3\cdot 5)}\\\\=\dfrac{(2^4)(3^2)(2^3)(3^3)(5^2)}{(2^2)(3^4)(3)(5)}=(2^{4+3-2})(3^{2+3-4-1})(5^{2-1})=32\cdot 5\\\\=\bf{160}$

8 0

3 years ago

0.2124 divided by 0.06

Strike441 [17]

Answer:

3.54

Step-by-step explanation:

move the decimal place over two making the numbers 6 and 21.24

6 goes into 21 3 times with a remainder of 3 (carry it down)

6 goes into 32 5 times with a remainder of 2 (carry it down)

6 goes into 24 4 times with no remainders

put the numbers together and don't forget the decimal

that number is 3.54

(I was trying to explain long division in words and boy is it difficult)

5 0

3 years ago

WORTH 20 PTS!!!!

laila [671]

Answer:

(4 - a)^2 = 16-8a + a^2

(3x − 1)^2 = 9x^2−6x+1

Step-by-step explanation:

Multiply the left for each equation and they are the same.

7 0

4 years ago

3) The _ _ _ _ _ _ number system is known as the decimal systemand uses 10 digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) to show all num

oksano4ka [1.4K]

Answer:

The Base-10 system.

Step-by-step explanation:

our everyday number system is a Base-10 system. • the Base-10 number system is known as the decimal system. and has 10 digits to show all numbers. 0,1,2,3,4,5,6,7,8,9. using place value and a decimal point to separate.

4 0

4 years ago

What inequality is graphed?

Fantom [35]

Answer:

Step-by-step explanation:

A is the correct answer have a great day

7 0

3 years ago