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antoniya [11.8K]
3 years ago
10

An architect makes a scale drawing for a new school building. The door to

Mathematics
1 answer:
castortr0y [4]3 years ago
4 0

Answer:

Step-by-step explanation:

8*12 is the actual size of the door.

12 inches is the size of the door in the drawing.

8 * 12 / 12 = 8 to 1

So every inch represents 8 feet

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Please help and explain!! Will give brainliest!!
bearhunter [10]
So of you set it equal to each other
150m+3m = 9m
-3m = -3m
you get 150m=6m
and you divide by 6 on each side so it comes out to 25 minutes... I think...
3 0
3 years ago
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What is 3 3/5 ×(-8 1/3)
Butoxors [25]

Answer:

Step-by-step explanation:

18/5  x  -25/3

6/1 x  -5/1 = -30

cross cancel the 18 & 3. Also the 5 & -25

6 0
4 years ago
13 men can weave 117 baskets in a week how many men will need to be 189 baskets in 3days​
enyata [817]

Answer:

49 men will be required to weave 189 baskets in 3 days.

7 0
4 years ago
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A trapezoid has an area of 80.75 sq. in., and its two bases are 7 and 12 inches long. Find the height of the trapezoid. a. 8.5 i
charle [14.2K]
<span>The formula is area of trapezoid = average base x average height 

We're going to do this in reverse.

Area = 80.75
[(7 + 12)/2] = 9.5 (height)
height = 80.75 / 9.5 = 8.5 

The height is 8.5, so the answer is D.</span>
5 0
4 years ago
There are 10 students in a class. The teacher chooses 2 students to go to the
CaHeK987 [17]

Answer:

The number of ways in which students were chosen is 45 ways .

Step-by-step explanation:

Given as :

The number of students in a class = x = 10

The number of students chosen by teacher to go to library = y = 2

Let The number of ways in which students were chosen = n ways

<u>Now, According to question</u>

So,  number of ways in which students were chosen = _{y}^{x}\textrm{C}

Or, n ways =  _{2}^{10}\textrm{C}

Or, n  = \frac{\L 10}{\L( 10-2)\times \L 2}

Or, n =  \frac{\L 10}{\L8\times \L 2}

Or, n =  \frac{10\times 9\times \L 8}{\L 8\times \L 2}

Or, n = \frac{10\times 9}{2\times 1}

Or, n = 5 × 9

i.e n = 45

So, The number of ways in which students were chosen = n = 45 ways

Hence,The number of ways in which students were chosen is 45 ways . Answer

3 0
4 years ago
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