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Tcecarenko [31]
3 years ago
10

Which expression is equivalent to (x+4)^2

Mathematics
2 answers:
ozzi3 years ago
7 0

Answer:

x^2 + 8x + 16

Step-by-step explanation:

(x+4)^2

= x^2 + 2(x)(4) + 4^2

=<em><u> x^2 + 8x + 16</u></em>

Inessa05 [86]3 years ago
5 0

Answer:

(x+4)(x+4)

Step-by-step explanation:

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i like to ride on the interurban trail for a total distance of 30 miles. it takes me 2 hours. what is my average speed while rid
Tcecarenko [31]

Answer:

15mph

Step-by-step explanation:

So to figure this out you have to get the total unit rate by dividing 30 and 2 which in total gives you 15

So congratulations you can ride 15 miles per hour :)

6 0
2 years ago
Read 2 more answers
Susan and John are buying cold drinks for a neighborhood picnic. Each person is
givi [52]

Answer:

Susan has suggested a correct method to calculate the amount of money

Step-by-step explanation:

Here we must check what each person is calculating. First, we consider Susan's method. She has suggested that we multiply the cost per soda, that is dollars/soda by the number of sodas required, we get the total cost.

Assuming that 18 sodas are required and each costs $0.20, the total cost according to Susan is $3.60.

John suggests we divide the cost of a 12 pack of soda by the number of sodas required. Considering a 12 pack of soda costs $12 and the same amount of sodas, 18, are required, we get that each soda costs $0.66.

Looking at these answers, we see that Susan has suggested a correct method to calculate the amount of money needed to buy a number of sodas. John has suggested the amount each person would have to contribute if everyone at the party was trying to buy a 12-pack of soda; regardless of whether more or less than a 12-pack is required.

4 0
2 years ago
The distance between (2, 3) and (1,7) is:
devlian [24]

Answer:

\sqrt{17}\: units

Step-by-step explanation:

d =  \sqrt{ {(2 - 1)}^{2} + {(3 - 7)}^{2}   }   \\  \\ = \sqrt{ {(1)}^{2} + {( - 4)}^{2}   }  \\  \\ = \sqrt{ 1 + 16   }  \\  \\  d=  \sqrt{17}  \\

4 0
3 years ago
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The figure represents a doorstop in the shape of a triangular prism. What is the volume of the doorstop in cubic inches?​
Makovka662 [10]

Answer:

7 times 5

35

divided by two

17.5

times 3

52.5 cubic inch

7 0
2 years ago
What is the midpoint of the segment shown below? (-2, 3) (10, 3)
sergeinik [125]

Answer:

That point P(x,y)

x = (-2+10)/2 = 4

y = (3+3)/2 = 3

=> P (4,3)

5 0
3 years ago
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