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geniusboy [140]
3 years ago
14

A scale model of Philadelphia City Hall is 68.5 inches long. Using each of the scales above, how many feet tall is the building

in real life? Show your work and explain your answer using each scale.
With a scale of 1in. to 8ft. Philadelphia City Hall is …. I know this because …
With a scale of ⅛ in. to 1 ft. Philadelphia City Hall is … I know this because …
With a scale of 1 to 96 Philadelphia City Hall is … I know this because …
Mathematics
1 answer:
-Dominant- [34]3 years ago
7 0

Answer:68.5

Step-by-step explanation:

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A rectangle with an area of 24 square units has length x+1 and width 4x-6. find the value of x.
astra-53 [7]
Area = length x width.
24 = (x + 2)(x - 3) = x² - x - 6
x² - x - 30 = 0
(x + 5)(x - 6) = 0
We can eliminate the root x = - 5 because dimensions cannot be negative. So, the only valid answer is x = 6

The length = x + 2 = 6 + 2 = 8 in.
The width = x - 3 = 6 - 3 = 3 in.
6 0
2 years ago
X + (x − 14) = 40. little confused
ikadub [295]

Answer:

27is answer

Step-by-step explanation:

x+ x - 14 = 40

or, 2x = 40+ 14

or, 2x = 54

or, x = <u>5</u><u>4</u>

2

or, x= 27

7 0
3 years ago
2x - x + 3x + 5 = 25<br>Solve for X​
postnew [5]

Answer:

  • \bf x=5

Step-by-step explanation:

\bf 2x - x + 3x + 5 = 25

Combine like terms.

  • \bf 4x+5=25

Subtract 5 from both sides.

  • \bf 4x+5-5=25-5
  • \bf 4x=20

Divide both sides by 4.

  • \bf \cfrac{4x}{4}=\cfrac{20}{4}
  • \bf x=5
<h3><u>__________________</u></h3>
7 0
2 years ago
Read 2 more answers
What are the factors of 45
musickatia [10]
The factors of 45 are: 1, 3, 5, 9, 15, 45

Which numbers multiply together to equal 45?
1 \times 45 = 45 \\ 3 \times 15 = 45 \\ 5 \times 9 = 45
7 0
3 years ago
Read 2 more answers
Veda solves the following system of linear equations by eliminations. What is the vale of x in the solution of the system of equ
kupik [55]

Answer:

x = -1, y = 1

Step-by-step explanation:

6 + 4x - 2y = 0 (1)

-3 - 7y = 10x (2)

From (1)

6 + 4x - 2y = 0 (1)

4x - 2y = -6 (3)

From (2)

-3 - 7y = 10x (2)

10x + 7y = -3 (4)

4x - 2y = -6 (3)

10x + 7y = -3 (4)

Using elimination method

Multiply (3) by 10 and (4) by 4 to eliminate x

40x - 20y = -60

40x + 28y = -12

28y - (-20y) = -12 - (-60)

28y + 20y = -12 + 60

48y = 48

y = 48/48

y = 1

Substitute y = 1 into (3)

4x - 2y = -6 (3)

4x - 2(1) = -6

4x - 2 = -6

4x = -6 + 2

4x = -4

x = -4/4

x = -1

x = -1, y = 1

The value of x in the equation is -1

4 0
3 years ago
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