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FinnZ [79.3K]
3 years ago
7

Sofia lives in a $105,000 brick house in the suburbs with contents valued at

Mathematics
1 answer:
Zinaida [17]3 years ago
6 0

Answer:$58.88

Step-by-step explanation:

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Trina has two brothers. one brother is 7 years older than trina and the other brother is 7 years younger than trina. the product
AlladinOne [14]
(a) 95 = (x+7)*(x-7)

(b) 95 = (x+7)*(x-7) 
Expand the brackets:
95 = x² -7x + 7x -49 = x² - 49
Subtract x² from both sides:
95-x² = -49
Subtract 95 from both sides:
-x²=-49-95 
-x²= -144
Divide both sides by -1 to get rid of the negative numbers:
-x²/-1=-144/-1
x²=144
Take the square root of 144:
x = ± squareroot of 144
x = 12 or -12
x = 12 because you cannot have a negative age so Trina is 12 years old.
     
7 0
3 years ago
An equation that defines y as a function of x is given. Solve for y in terms of x, and replace y with the function notation f(x)
34kurt

Answer:C

Step-by-step explanation:

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3 years ago
The area of a triangle is 12 cm squared. If the base of the triangle is 4 cm what is the height​
nlexa [21]

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6 cm

Step-by-step explanation:

3 0
3 years ago
Help meeeeeeeeeeeeeee!!!!!!​
koban [17]

Answer:

2x+3=9

2x=6

x=3

3w-1=14

3w=15

w=5

7y+2=30

7y=28

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5x=15

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6c-12=48

6c=60

c=10

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9w-5=67

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10a+40=100

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a=6

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9x=108

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your welcome

8 0
3 years ago
Read 2 more answers
PLEASE HELPPP MEEEEEEEEEEE I DK THIS-
Julli [10]

Answer:

FOr the first one you can do:

y= -x +4

y= -x+2

y = -x

y= -x-2

y = x-4

Step-by-step explanation:

I'll do the second one in a different answer use these for now.

8 0
2 years ago
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