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saul85 [17]
3 years ago
11

6. A two-story building measures 21 feet

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
7 0

Answer:

12

Step-by-step explanation:

First figure the ratio of the real building to the model which is 21 divide 3. So the ratio is 1:7, since we're finding the height of the model, we divide 7 by 84 which is 12

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Lyrx [107]
Y=mx+b

$620=123.75x+125
3 0
4 years ago
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Two equations are given below:
Evgesh-ka [11]

The solution to the set of equations is (0,2).

Reasoning:

m + 4n = 8 -> 0 + 4(2) = 8

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6 0
3 years ago
Which statement BEST explains the relationship between lines GF & HJ?
Pavel [41]

Answer:

Option (4)

Step-by-step explanation:

Slope a line passing through two points (x_1,y_1) and (x_2,y_2) is given by,

m = \frac{y_2-y_1}{x_2-x_1}

Since, blue line is passing through two points (-4, -2) and (0, 4),

Slope of the blue line = \frac{4+2}{0+4}

                                    = \frac{3}{2}

Similarly, green line is passing through two points (-4, 1) and (0, -2),

Slope of the green line = \frac{1+2}{-4-0}

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Since, \frac{3}{2}\neq -\frac{3}{4}

Neither these slopes are opposite reciprocals.

Therefore, both the lines are neither parallel nor perpendicular.

Option (4) will be the correct option.

6 0
3 years ago
Simplify:- (2√6÷√2 + √3) +( 2√6 ÷ √2 + √3 ) - (8√3 ÷ √6 + √3)
kicyunya [14]

Answer:

5 \sqrt{3}  - 4 \sqrt{2}

Step-by-step explanation:

Look at the picture

Hope it helps ;)

4 0
3 years ago
Hello can you please help me posted picture of question
Dmitry_Shevchenko [17]
First we convert the tiles to expressions. Similar tiles can be summed up and written as one term. For example 2 tiles of x can be written as 2x.

So we are to add x^{2} +x to 2x+3.

The summation will be:

x^{2} +x+2x+3 \\  \\ = x^{2} +3x+3

Therefore, option B is the correct answer.


6 0
4 years ago
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