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Korvikt [17]
3 years ago
11

Help with math pls pls pls

Mathematics
1 answer:
Andrews [41]3 years ago
4 0

Answer:

  No; the lines have unequal slopes.

Step-by-step explanation:

You can see the appropriate answer by plotting the points on a graph. In the attached, the line through the blue points will have a different slope from the line through the red points.

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This table shows the heights of some of the tallest buildings in the United States. Use the table to answer the question.
FromTheMoon [43]

Answer: If they stood end to end they would be 2,489.

Step-by-step explanation: If you add 1,362 and 1,127 it sums up to 2,489.

5 0
2 years ago
The annual sales of romance novels follow the normal distribution. However, the mean and the standard deviation are unknown. For
Fynjy0 [20]

Answer:

Mean(m) = 462,536

sd = 29,268.29

Step-by-step explanation:

Given the following:

P(sales > 470,000) = 40% = 0.4

P(sales > 500,000) = 10% = 0.1

Using the z - table, we can locate the corresponding P values

Z = 1 - p = 1 - 0.4 = 0.6; 1 - 0.1 = 0.9

Locating the closest value to 0.6 on the z table ;

(0.25 + 0.26) / 2 = 0.255

Locating the closest value to 0.9 on the z table ;

Z = 1.28

Recall;

z =( x - m) / sd

Where m = mean ; sd = standard deviation

First condition:

0.255 = (470,000 - m) / sd

0.255 × sd = (470,000 - m) - - - - - (1)

1.28 = (500,000 - m) / sd

1.28 × sd = (500,000 - m) - - - - (2)

We can solve for one of the unknowns y subtracting equation (1) FROM 2

1.28sd - 0.255sd = (500,000 - m) - (470000 - m)

1.025sd =500,000 - m - 470000 + m

1.025sd = 30,000

sd = 29,268.29

Substituting the value od SD into (1) or (2)

1.28 × 29,268.29 = 500000 - m

37463.41 = 50000 - m

m = 50000 - 37463.41

Mean(m) = 462,536

7 0
3 years ago
Really need help and ALL CAPS NO SPACES
scZoUnD [109]

Step-by-step explanation:

1. x+6 + 3x + 2 + 2x + 4

<u>Combine Like Terms:</u>

<u>Answer:</u> 6x+12

G

2. 6x + 4 + 7x + 1 + 5x + 7

<u>Combine Like Terms:</u>

<u>Answer:</u> 18x+12

B

3. 4x-3 + 3x + 5x - 6

<u>Combine Like Terms:</u>

<u>Answer:</u> 12x-9

I

4. 6x - 8 + 3x + 7 + 5x - 3

<u>Combine Like Terms:</u>

<u>Answer:</u> 14x-4

H

Your code is, GBIH

4 0
2 years ago
A box contains a collection of triangular and square tiles. There are 25 tiles in the box and 84 edges . How many square tiles a
NikAS [45]
This problem here would be a little tricky. Let us take into account first the variables presented which are the following: a collection of triangular and square tiles, 25 tiles, and 84 edges. Triangles and squares are 2D in shape so they give us a variable of 3 and 4 to work on those edges. Let us say that we represent square tiles with x and triangular tiles with y. There would be two equations which look like these:

x + y = 25                    and               4x + 3y = 84

The first one would refer to the number of tiles and the second one to number of edges.

We will be using the first equation to the second equation and solve for one. So if we will be looking for y for instance, then x in the second equation would be substituted with          x = 25 - y           which would look like this:

4 (25 - y) + 3y = 84

Solve.

100 - 4y + 3y = 84
-4y +3y = 84 - 100
-y = -16
-y/-1 = -16/-1
y = 16

Then:
x = 25 -y
x = 25 - 16
x = 9

So the answer is that there are 9 square tiles and 16 triangular tiles.
4 0
3 years ago
Can someone please solve this before I get my phone taken away?
prisoha [69]

Answer:

option 1 or should be

Step-by-step explanation:

4/1.5 is 2.6 and 2/3 as a fraction is 66666 so yeah

6 0
3 years ago
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