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aliya0001 [1]
4 years ago
6

The first song performed during a concert was more than 60 seconds longer than the final song. The first song was 190 seconds lo

ng. The inequality 190 > 60 + f represents the situation when f is the length of the final song, in seconds. f is in the center of a line. Which value should point f on the number line be?
1. 250
2. 190
3. 130
Which best describes the appearance of the graph?
1. open circle at f, shaded right
2. open circle at f, shaded left
3. closed circle at f, shaded right
4. closed circle at f , shaded left

Mathematics
2 answers:
Kamila [148]4 years ago
8 0

Answer:

3. 130

2. Open Circle at f, shaded left.

Step-by-step explanation:

Edg. 2020

loris [4]4 years ago
4 0

Answer:

3. 130

2. Open Circle at f, shaded left.

Step-by-step explanation:

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An architect designed this scale model of a warehouse for a building contractor.
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tl;dr Answer is C

Here we will have to calculate 3 different areas separately.

When calculating the area of the triangle we will use the formula

A = (h*b)/2  

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To find the height we do X - Z  

23 - 15 = 8 ft

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19 - 13 = 6 ft

Using the formula above we can now solve for A  

A = (8*6)/2

A = (48)/2

A = 24 sq ft

Now we solve the two rectangles using the formula  

A = wl

w = width

l = length

We will calculate the area of the left most rectangle first.

We know the length of the rectangle because it's Y - W and we are given the width of the triangle.

w = 15 ft

l = 6 ft

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Second Rectangle has the width of X and length of W

w = 23 ft

l = 13 ft

A = 23 * 13

A = 299 sq ft

Now we add all the areas to give us the total area of the warehouse.

24 + 90 + 299 = 413 sq ft

Therefore, the answer is C

5 0
3 years ago
How do you do a 3-step algebra equation?
Vlad1618 [11]
The goal of all algebra equations is to isolate the variable. In 3 step you should first make sure both variables are on the same side. To do that make sure you use the inverse.
For example:
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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