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bagirrra123 [75]
3 years ago
15

Factor using a GCF: ​ 16xy2+28xy+8y

Mathematics
1 answer:
Lorico [155]3 years ago
7 0

Answer:

4y( 4xy + 7x +2)

Step-by-step explanation:

16xy^2+28xy+8y

16xy^2 =2*2*2*2*x*y*y

28xy = 2*2*7 *x*y

8y = 2*2*2*y

The common factors are 2*2*y = 4y

2*2*2*2*x*y*y + 2*2*7 *x*y+2*2*2*y

2*2*y( 2*2*x*y + 7 *x+2)

4y( 4xy + 7x +2)

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A store is instructed by corporate headquarters to put a markup of 25​% on all items. An item costing ​$16 is displayed by the s
tigry1 [53]

Answer:

$20

Step-by-step explanation:

the manager's error could likely be putting the percentage mark up rather than the markup price added to the original price

25%×16

= $4

mark up price= (16+4)$

= $20

7 0
2 years ago
Find the area of a rectangle with length (3x+2) units with width ( 4x+10 ) units​
pantera1 [17]

Answer:

Step-by-step explanation:

Area of rectangle = length * width

 = (3x + 2)(4x + 10)

  = 3x *(4x + 10) + 2*(4x + 10)

 = 3x *4x + 3x *10 + 2*4x + 2*10

 = 12x² + <u>30x + 8x</u> + 20   {Combine like terms}

  = 12x² + 38x + 20

6 0
2 years ago
Read 2 more answers
A motorboat takes 3 hours to travel 108 kilometers going upstream. The return trip takes 2 hours going
IRISSAK [1]

Answer:

  • 45 km/h and 9 km/h

Step-by-step explanation:

Let the rate of boat in still water be b and the speed of the current be c

  • Speed downstream = b + c
  • Speed upstream = b - c

<u>We got equations for time:</u>

  • 108/(b - c) = 3 ⇒ b - c = 36
  • 108/(b + c) = 2 ⇒ b + c = 54

<u>Add up the equations:</u>

  • b - c + b + c = 36 + 54
  • 2b = 90
  • b = 45 km/h

<u>Then finding the values of c</u>

  • c = 45 - 36 = 9 km/h
6 0
3 years ago
hello, John says the transformation rule (x, y) Right-arrow (x + 4, y + 7) can be used to describe the slide of the pre-image (4
oksian1 [2.3K]

Answer:John's error is that he applied the transformation rule to the image instead to the pre-image.The pre-image is the point you start with. To check the transformation rule, substitute the values of the coordinates (4, 5). This results to (4, 5) + (4+4, 5+7). Simplify to get (4, 5) → (8, 12). This is the image.

Step-by-step explanation:

8 0
3 years ago
If anyone would be able to help me. it would be great.
Triss [41]
65% = 156

1% = 165 ÷ 65
1% = $2.40

100% = 2.4 x 100
100% = $240

Answer: The original price 20 years ago was $240.

240 - 156 = $84

Answer: The current price is $84.
3 0
3 years ago
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