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d1i1m1o1n [39]
4 years ago
15

10 points + brainliest = 15 points!

Mathematics
2 answers:
slamgirl [31]4 years ago
5 0

Answer:

(2x²+1)(4x+3)

Step-by-step explanation:

  • 8x³ + 6x² + 4x +3=        regroup as follows
  • (8x³ + 4x) + (6x²+3) =
  • 4x(2x²+1) + 3(2x²+1)=
  • (2x²+1)(4x+3)

Correct choice is the second one

zimovet [89]4 years ago
3 0

Answer:

(2x^2+1)(4x+3)

Step-by-step explanation:

8x^3 + 6x^2 + 4x+3

Split into two groups

8x^3 + 6x^2       + 4x+3

Factor out 2x^2 from the first group and 1 from the second group

2x^2( 4x+3)  +1( 4x+3)

Factor out (4x+3) from each group

(4x+3) (2x^2+1)

Rearranging the order

(2x^2+1)(4x+3)

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The dot plot below shows the number of items in the basket of some shoppers:
scoray [572]

Answer:

The correct answer is A.

Remember summetric means: made up of exactly similar parts facing each other or around an axis; symmetrical. And the peak or highest part is on the 3.

Hope it helps!!

7 0
3 years ago
Read 2 more answers
A multiplier of 1.641 corresponds to a percentage increase or decrease of what percent?
bezimeni [28]

Answer:

A multiplier of 1.641 corresponds to a percentage increase or decrease of 64.1%.

Step-by-step explanation:

To determine a percentage increase or decrease of a certain number, a calculation consisting of the multiplication of said number by 1 plus the decimals corresponding to the percentage to be increased must be performed. Thus, for example, if you want to increase a number by 50%, you must multiply that number by 1.50. Therefore, if you multiply a number by 1,641, this implies that you are wanting to increase or decrease the initial number by 64.1%.

6 0
3 years ago
What is the simplified expression for the perimeter of the polygon?
Tanzania [10]
Not sure but i think b
5 0
2 years ago
8x+4y= -4 <br> what is the slope and y intercept of the line
jarptica [38.1K]

Answer:

y = -2x - 1 ; slope = -2, y-intercept = (0, -1)

Step-by-step explanation:

to get the slope and y intercept, you need to put the equation into slope-intercept form: y = mx + b

the term mx is the slope of the line, and b is the y-intercept

to do this, you need to solve for y, so get y by itself by subtracting 8x from the left side

8x + 4y = -4

-8x.          -8x

4y = -8x - 4

divide both sides by 4 to get y alone

4y/4 = y

-8x/4 = -2x

-4/4 = -1

y = -2x - 1 is the final equation

the slope of the line is -2 (also can be said as -2/1), and the line intercepts the y-axis at (0,-1)

8 0
3 years ago
Read 2 more answers
4/9 kilograms of baking soda cost $1.50. How much does 1 kilogram of baking soda cost?
mrs_skeptik [129]

Answer:

Step-by-step explanation:

divide 1.5 by 4 to get 1/9 of the cost, and then multiply that by 9 to get the cost of one kilo.

or 3.375, round it for money purposes

$3.38

8 0
3 years ago
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