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HACTEHA [7]
3 years ago
13

What is the product of 3x(x2 + 4)? O x² + 3x +4 O 3x3 + 4 O 3x3 + 12x 3x² + 12x

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
6 0

Answer:

3x³ + 12x

Step-by-step explanation:

Given

3x(x² + 4) ← multiply each term in the parenthesis by 3x

= 3x³ + 12x

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Record sales are increasing by 5% each year. If 800,000 records were sold this year, what will annual sales be in 3 years?
Olenka [21]

Answer:

120000

Step-by-step explanation:

3 0
3 years ago
A rectangle has a height of 5m^4 and a width of m^2-2m-1.
In-s [12.5K]

Answer:

area of the rectangle = 5(m⁶ - 2m⁵ - m⁴) or 5m⁴(m² - 2m - 1)

Step-by-step explanation:

The rectangle has a height of 5m⁴ and the width is m² - 2m - 1.The area of the rectangle is the product of the width and the height.

width =  m² - 2m - 1

height = 5m⁴

area of rectangle = 5m⁴ × (m² - 2m - 1)

area of rectangle = 5m⁴(m² - 2m - 1)

area of the rectangle = 5m⁶ - 10m⁵ -  5m⁴

area of the rectangle = 5(m⁶ - 2m⁵ - m⁴)

The area of the entire rectangle can be expressed as 5(m⁶ - 2m⁵ - m⁴) or 5m⁴(m² - 2m - 1)

8 0
3 years ago
Read 2 more answers
You toss one coin and roll one number cube. What is the probability the coin is heads and a 3 is rolled?
s344n2d4d5 [400]

Answer:

1/6 for the cube and 1/2 for the coin

it would be 4/6 or 2/3 both are the same

Step-by-step explanation: sorry if im wrong btw

7 0
3 years ago
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Which of the following equations is of a parabola with a vertex at (3, 0)?
bixtya [17]

Answer:

D. y = (x - 3)²

Step-by-step explanation:

The parabola formula in vertex form is:

y = a(x - h)² + k

where the vertex is located at (h, k). Replacing with vertex (3, 0) we get:

y = a(x - 3)² + 0

y = a(x - 3)²

In all possible options the leading coefficient <em>a</em> is equal to one. Therefore:

y = (x - 3)²

7 0
3 years ago
−5.2 + y = 7.5
klio [65]

Answer:

your answer is

d. y = 12.7

5 0
3 years ago
Read 2 more answers
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