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White raven [17]
2 years ago
11

What is the slope of the line that passes through the points (-7,-4) and (-11,-2)?write your answer in the simplest form

Mathematics
1 answer:
kvv77 [185]2 years ago
7 0

Answer:

The slope is -2/4 or -1/2

Step-by-step explanation:

The equation to find the slope if y2-y1/x2-x1. You can apply this equation once you have two points on a line.

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Answer: simultaneous equation and speed formula lead to:

X = 0.7 - (3 - 4x)/5

Step-by-step explanation: Please find the attached file for the solution.

7 0
3 years ago
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Last year there were 48 science projects submitted by students at a science fair. This year there are 52 science projects.
Lapatulllka [165]

Answer:

52 - 48 = 4

Around 7%

(Please tell me if this is wrong)

4 0
3 years ago
Round 8,624 to the nearest thousand
Shtirlitz [24]

8,624 rounded to the nearest thousand is 9,000

Hope this helps

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8 0
3 years ago
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= 2 - 4
jekas [21]

Answer:

Please find attached the required inverse of a function chart

Step-by-step explanation:

The inverse of a function is found by reversing the operations of the  function

The inverse of the function f(x) = 2·x - 4 is found as follows;

x = 2·x - 4

x + 4 = 2·x

x = (x + 4)/2 = x/2 + 2

Therefore, the inverse of the function f(x) = 2·x - 4 is f(x) = x/2 + 2

The inverse function is plotted by generating data points as follows;

{}x         {}          f(x)

0                2

1                  2.5

2                 3

3                  3.5

4                   4

5                   4.5

6                   5

7                   5.5

8                   6

9                   6.5

10                  7

11 {}                   7.5

12{}                    8

13                 8.5

14                  9

15                  9.5

16               10

5 0
3 years ago
X is a normally Distributed random variable with a standard deviation of 4.00. Find the mean of X when 64.8% of the area lies to
Cerrena [4.2K]

Answer:

7

Step-by-step explanation:

σ = 4 ; μ =?

8.52 to the left of X

.

P(X < 8.52) = 64.8%

P(X < 8.52) = 0.648

Using the Z relation :

(x - μ) / σ

P(Z < (8.52 - μ) / 4)) = 0.648

The Z value of 0.648 of the lower tail is equal to 0.38 (Z probability calculator)

Z = 8.52 - μ / 4

0.38 = 8.52 - μ / 4

0.38 * 4 = 8.52 - μ

1.52 = 8.52 - μ

μ = 8.52 - 1.52

μ = 7

5 0
3 years ago
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