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Delicious77 [7]
3 years ago
8

In drafting class, Manual is drawing blueprints for a house. The scale is 1/4 inch equals 1 foot. If a bedroom is to be 14 Feet

wide, how long will the corresponding wall be in the drawing?
Mathematics
1 answer:
frozen [14]3 years ago
3 0

Answer:

3.5 inches

Step-by-step explanation:

we know that

The scale drawing is

\frac{1}{4}\ in:1\ ft

That means

1/4 inch in the drawing represent 1 foot in the actual

so

using proportion

Find out the dimension in the drawing corresponding to a 14 feet wide in the actual

\frac{(1/4)}{1}\ \frac{in}{ft}=\frac{x}{14}\ \frac{in}{ft}\\\\x=14(1/4)\\\\x= 3.5\ in

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3. A train set costs $120.00. Find the discount if it is on sale for<br> 30% off.
Leno4ka [110]

Answer:

36

Step-by-step explanation:

To find the discount, you will need to find 30% of $120, so you will need to do:

120*0.3=36

Also, if you were asking for the COST if it was 30% off, it would be 84 as 120-36=84.

(I hope this helps!)

4 0
2 years ago
Read 2 more answers
What is the mean of the values in the dot plot?<br><br><br><br> Enter your answer in the box.
ziro4ka [17]

Answer:

The mean is 19.5

Step-by-step explanation:

You have to add all of the numbers up then divide by how many numbers there are.

Ex: 5, 5, 6, 7

add them up and you get 23

Divide 23 by how many numbers you have, which in this case, is 4

The answer to this example would be 5.75

4 0
2 years ago
Fill in the blanks below.
Dmitry_Shevchenko [17]

Answer:

a) <em>Slope of the line m = ∞</em>

<em>b) Slope of the line  m =0</em>

Step-by-step explanation:

<u><em>Explanation:-</em></u>

<u><em>Step(i):-</em></u>

<em>Given points are ( 7,7) and (7,-8)</em>

<em>Slope of the line</em>

<em>                      </em>m = \frac{y_{2} - y_{1} }{x_{2}-x_{1}  }<em />

<em>                     </em>m = \frac{-8-7 }{7-7  } = \frac{-15}{0} = infinite<em />

<em>                   m = ∞</em>

<u><em>Step(ii):-</em></u>

Given points are (-6,7) and (9,7)

<em>Slope of the line</em>

<em>                      </em>m = \frac{y_{2} - y_{1} }{x_{2}-x_{1}  }<em />

<em>                     </em>m = \frac{7-7  }{9-(-6)  } = \frac{0}{15} = 0<em />

<em>Slope of the line  m =0</em>

6 0
3 years ago
What is the value of the 4 in the number 17.884?<br>Write your answer as a fraction.​
ikadub [295]

Answer:

4/1000

Step-by-step explanation:

the value of 4 is 0.004 which in fraction form is 4/1000

6 0
3 years ago
Can someone help me with this question
Mashcka [7]
The correct answer here would be D. -1(3x+1)(x+5). You can find this answer by redistributing the problem.

-1(3x+1)(x+5)
-1(3x²+15x+1x+5)
-1(3x²+16x+5)
-3x²-16x-5

Using the math above, we can see that when we redistribute we get the original equation. That makes Choice D correct.
5 0
3 years ago
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