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torisob [31]
2 years ago
11

Elena finds that the area of a house on a scale drawing is 25 square inches the actual area of the house is 2025 ft what is the

scale of the drawing​
Mathematics
1 answer:
ElenaW [278]2 years ago
8 0

Answer:

81 is the scale of drawing.

Step-by-step explanation:

Area of the house in drawing = A =

Let the factor by which scaling is present in the drawing be s.

Area of the house in reality = A' =

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Why is - x < 3 equivalent to x > - 3? Provide a convincing argument.
AlexFokin [52]

Answer:

-x<3 is the same as x>-3 because when you divide -x<3 by -1 on both sides it ends up as x>-3. (They're the same thing just one isn't simplified.)

Step-by-step explanation:

8 0
2 years ago
The equation y = 1.55x + 110,419 approximates the total cost, in dollars, of raising a child in the United States from birth to
Mariana [72]

Answer:

The answer to your question is The cost to raise a child from birth to 17 years in a household is $194119.

Step-by-step explanation:

Equation

                      y = 1.55x + 110,419

Annual income = $54,000

To solve this problem just substitute the annual income and simplify to find the cost.

                    y = 1.55(54,000) + 110419

Simplify

                    y = 83700 + 110419

Result

                    y = $194119

3 0
3 years ago
I’ll mark you as brainliest
Lapatulllka [165]

Step-by-step explanation:

1) -5n+10n

= 5n

2) -x-9+2x-10

= 2x-x-9-10

= x-19

3) -5(x-10)-x

= -5x+50-x

= -6x+50

4) 9-5(1-7x)

= 9-5+35x

= 35x+4

5) y^2-x

= 3^2-2

= 9-2

= 7

Do the remain questions by yourself, you can do it!

8 0
2 years ago
Find tan θ for θ = 60° .
Shtirlitz [24]

Answer:

\sqrt{3}

Step-by-step explanation:

tanx=\frac{sinx}{cosx}

sin60°/cos60°=\frac{\sqrt{3} }{2} / \frac{1}{2}= \sqrt{3}

3 0
3 years ago
2x^2 - 5x +4=0 what is the solution
NeTakaya

Answer

x = 3.13745860… , − 0.63745860 …

Step-by-step explanation:

thats decimal form

7 0
3 years ago
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