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Mathematics

2 answers:

WARRIOR [948]3 years ago

6 0

Answer:

(x-7) (x+1)

Step-by-step explanation:

x^2 - 6x - 7

What two numbers multiply to -7 and add to -6

-7*1 = -7

-7+1 = -6

(x-7) (x+1)

Len [333]3 years ago

5 0

Answer:

D. (x - 7) (x + 1)

Step-by-step explanation:

= x^2 - 6x - 7

= x^2 - 7x + x - 7

= x(x - 7) + 1(x - 7)

= (x + 1)(x - 7)

= (x - 7) (x + 1)

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A house blueprint has a scale of 1 in. : 4 ft. The length and width of each room in the actual house are shown in the table. Com

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We know that
scale------------> 1 in/4 ft
[blueprint]=scale*[actual]

Part 1) Living room
lenght (20 ft) -------------> [blueprint]=(1/4)*20=5 in
width (8 ft) ----------------> [blueprint]=(1/4)*8=2 in

Part 2) Kitchen
length (16 ft) -------------> [blueprint]=(1/4)*16=4 in
width (16 ft) ----------------> [blueprint]=(1/4)*16=4 in

Part 3) Office
length (8 ft) -------------> [blueprint]=(1/4)*8=2 in
width (16 ft) ----------------> [blueprint]=(1/4)*16=4 in

Part 4) Bedroom 1
length (8 ft) -------------> [blueprint]=(1/4)*8=2 in
width (16 ft) ----------------> [blueprint]=(1/4)*16=4 in

Part 5) Bedroom 2
length (20 ft) -------------> [blueprint]=(1/4)*20=5 in
width (20 ft) ----------------> [blueprint]=(1/4)*20=5 in

Part 6) Bathroom
length (6 ft) -------------> [blueprint]=(1/4)*6=1.5 in
width (8 ft) ----------------> [blueprint]=(1/4)*8=2 in

see the attached figure to view the table