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Lilit [14]
3 years ago
9

An architect's electronic blueprint of a building has a scale of 1 inch equals 12 feet. What's the actual distance between the f

loor on the first floor and the floor on the 15th floor if the blueprint shows that the two floors are 14.375 inches apart?
A. 171.6 feet
B. 172.8 feet
C. 172.44 feet
D. 172.5 feet
Mathematics
2 answers:
lbvjy [14]3 years ago
7 0

Answer:

Option D is correct choice.

Step-by-step explanation:

We are told that an architect's electronic blueprint of a building has a scale of 1 inch equals 12 feet.

To find actual distance between the floor on the first floor and the floor on the 15th floor we will multiply blueprint distance by 12.

14.375\text{ inches} \cdot 12\frac{\text{ feet}}{\text{ inch}}

=172.5\text{ feet}

Therefore, actual distance between the floor on the first floor and the floor on the 15th floor is 172.5 feet.

alekssr [168]3 years ago
4 0

Answer:

Option D. 172.5 feet.

Step-by-step explanation:

An architect's electronic blueprint of a building has a scale of 1 inch = 12 feet.

It is given that the distance between first floor and 15th floor = 14.375 inches.

We will make a set up of equal ratio.

\frac{\text{12 feet}}{\text{1 inches}} = \frac{\text{x feet}}{\text{14.375 inches}}

x = 14.375 × 12

x = 172.5 feet

Option D. The two floors are 172.5 feet apart.

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Answer:

x = 929/126

Step-by-step explanation:

12/19(x-22)=38-6x-3

Combine like terms

12/19(x-22)=35-6x

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19* 12/19(x-22)=19*(35-6x)

12( x-22) = 19*(35-6x)

Distribute

12x - 264 = 665 - 114x

Add 114x to each side

12x +114x - 264 = 665 - 114x+114x

126x -264 = 665

Add 264 to each side

126x-264+264 = 665+264

126x = 929

Divide each side by 126

126x/126 = 929/126

x = 929/126

4 0
4 years ago
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PRE CALCULUS
Mumz [18]
Start with the parent function f(x) = x³

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Then the function f(x) = ¹/₂ (x - 4)³, the function (x - 4)³ is halved vertically ⇒ Half the y-coordinate

Then the function f(x) = ¹/₂ (x - 4)³ + 5 that a value '5' is added to ¹/₂ (x - 4)³ ⇒ This means the function f(x)  is translated five units up

So the order of transformation that is happening to f(x) = x³ is translation four units to the right, half the y-coordinate, then translate 5 units up.

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3 years ago
Solve by elimination <br> 3x - 2y = 4<br> x+4y=34
Xelga [282]

Answer:

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Step-by-step explanation:

multiply top by 2 then eliminate

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Because the point where the graphs intersect is a point that meets both rules (functions) y = 4 - x and y = 2x + 3 meaning that y from y = 4 - x equals y from 2x + 3 and also both x have the same value.

Part B: Make tables to find the solution to 4-x = 2x + 3. Take the integer values of x between -3 and 3.

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-3              4-(-3)=7     2(-3)+3 =-3
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0                4-0=4        2(0)+3 = 3
1                4-1=3         2(1)+3=5
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The the solution is between x = 0 and x =1

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Draw in a same graph both functions  y= 4 - x and y = 2x +3.

Then read the x-coordinates of the intersection point. That is the solution.

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