3 years ago

Find the product or (x^2+4x-3)(2x^2+x+6)

Mathematics

1 answer:

Stells [14]3 years ago

5 0

The answer is
3x^2+5x+3

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The value of y varies directly with x, and y = 18 when x = 12. find y when x = 132.

sveta [45]

This would be 198 because 12 times 1.5 equals 18 so when you multiply 132 by 1.5 you get 198

4 0

3 years ago

A number decreased by 23 is 44. Find the number.

Hoochie [10]

Answer:

Step-by-step explanation:

The number is decreased by 23 which means 23 is subtracted from the number.

let the number be x, then

x - 23 = 44 ( add 23 to both sides )

x = 67

The number is 67

3 0

3 years ago

42.1% of 375.4 =

igomit [66]

The answer is 0.744 just do the math

7 0

3 years ago

By showing your working clearly verify if x=19/20is the solution of the equation 2x-3/4=1/3x+5/6

nadya68 [22]

$2x - \frac{3}{4} = \frac{1}{3} x + \frac{5}{6} \\ = > 2x - \frac{1}{3} x = \frac{5}{6} + \frac{3}{4} \\ = > \frac{6x - x}{3} = \frac{10 + 9}{12} \\ = > \frac{5x}{3} = \frac{19}{12} \\ = > x = \frac{19}{12} \times \frac{3}{5} \\ = > \frac{19}{20} \\$

Therefore,

$x = \frac{19}{20}$

verified.

Hope you could get an idea from here.

Doubt clarification - use comment section.

8 0

2 years ago

Translate the following phrase into an algebraic expression using the variable w. Do not simplify.

loris [4]

Answer:

2 * ( [2w-8] + w)

Step-by-step explanation:

width = w

Length = 2w -8

Perimeter of Rectangle = 2 (l+b)

= 2 * ( [2w-8] + w)

3 0

3 years ago