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Vesnalui [34]
3 years ago
12

A model train has a scale of 1 in : 4 ft. If the real train is 20 ft tall, then how tall is the model train?

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
8 0
B.) five inches long
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State the domain and range of the following function:
mojhsa [17]

Answer:

Domain = \{-3,0,2,1,6,3\}

Range = \{4,6,-2,-3,-7,2\}

Step-by-step explanation:

Given

\{(- 3,4), (0,6), (2, - 2), (1, - 3), (6, - 7), (3, 2)\}

Required

The domain and range

A function is represented as:

Function = \{(x_1,y_1),(x_2,y_2),....(x_n,y_n)\}

Where

x \to domain

y \to range

So, we have:

Domain = \{-3,0,2,1,6,3\}

Range = \{4,6,-2,-3,-7,2\}

7 0
3 years ago
If a triangle is an equilateral triangle, then the triangle has exactly three 60°
ahrayia [7]

Step-by-step explanation:

In an equilateral triangle, all the three sides are equal as well as all the angles are equal. Let the angles be x.

We know that the sum of angles of a triangle is equal to 180 degrees. It means that,

x+x+x=180

3x=180

x=60°

Hence, if a triangle is an equilateral triangle, then the triangle has exactly three 60°  angles. Hence, △ABC is an equilateral triangle

3 0
3 years ago
Ariel was told the x intercept and the y intercept of a line with a positive slope. Yet, it was impossible for Ariel to find the
alexdok [17]

A line has the following standard equation form:

y = m x + b

where m is the slope and b is the y intercept

 

So if Ariel cannot find the slope, then this would only mean that m = 0, there is no slope. And hence the line is either a straight vertical line or straight horizontal line.

 

Answer:

<span>There is no slope</span>

8 0
3 years ago
2x+1&lt;9<br> I need help with this question
tia_tia [17]

Answer: x<4

Step-by-step explanation: Let's solve your inequality step-by-step.

2x+1<9

Step 1: Subtract 1 from both sides.

2x+1−1<9−1

2x < 8

Step 2: Divide both sides by 2.

2x /2  <  8 /2

x<4

4 0
3 years ago
Help pls with O ill give brainliest
Karolina [17]

Answer:

6x-12

Step-by-step explanation:

I think this is the answer I am so sorry if Im wrong but 3*2x = 6x and then -4*3 = -12

6 0
2 years ago
Read 2 more answers
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