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Sergeu [11.5K]
2 years ago
12

What is the slope of this graph? −3 −1/3 1/3 3 Number graph ranging from negative 10 to 10 on both the x and y axis. A line pass

es through the point begin ordered pair 1 comma negative 1 end ordered pair and the point begin ordered pair negative 1 comma 5 end ordered pair
Mathematics
2 answers:
julsineya [31]2 years ago
8 0

Answer: -3

Step-by-step explanation:

The slope of a line passing thorough two points (a,b) and (c,d) is given by :-

m=\dfrac{d-b}{c-a}

From the given description, we observe that the line is passing through (1,-1) and (-1,5).

Then , the slope of the graph passing through (1,-1) and (-1,5) will be :

m=\dfrac{5-(-1)}{-1-1}\\\\\Rightarrow\ m=\dfrac{5+1}{-2}\\\\\Rightarrow\ m=\dfrac{6}{-2}=-3

Hence, the slope of this graph= -3

fiasKO [112]2 years ago
7 0

Answer:

-3

Step-by-step explanation:

The slope is the ratio of the change in y-coordinates to the change in x-coordinates:

... (5 -(-1))/(-1-1) = 6/-2 = -3

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On rainy days, Izzy goes from his house to the school by running 1.2 miles on West St, then makes a 90º turn and runs 0.5 miles
OlgaM077 [116]

Answer:

a) It will take Izzy 0.226 hours = 13.6 minutes = 13 minutes 36 seconds to run to school on dashed days.

b) Izzy runs 1.30 miles on dry days.

c) Izzy saves 3 minutes and 12 seconds cutting through the woods.

Step-by-step explanation:

This problem can be solved by a simpe rule of three problem.

a) On rainy days, she runs 1.2 + 0.5 = 1.7 miles.

The problem states that for rainy days, she runs 7.5 miles per hour. We know that in a hour, Izzy will run 7.5 miles. We want to know how long it takes for her to run 1.7 miles. So

1 hour - 7.5 miles

x hours - 1.7 miles

7.5x = 1.7

x = \frac{1.7}{7.5}

x = 0.226 hours

It will take Izzy 0.226 hours = 13.6 minutes = 13 minutes 36 seconds to run to school on dashed days.

b) Now we have a right triangle, where the sides are the 1.2 miles and the 0.5miles, and the path through the woods x is the hypotenuse.

So, we apply the pythagorean theorem.

x^{2} = (1.2)^{2} + (0.5)^{2}

x^{2} = 1.44 + 0.25

x^{2} = 1.69

x = 1.30

So, Izzy runs 1.30 miles on dry days.

c) The first step for this question is knowing how long it takes for Izzy to run 1.30 miles at 7.50 miles a hour. So:

1 hour - 7.50 miles

x hours = 1.30 miles

7.50x = 1.30

x = \frac{1.3}{7.5}

x = 0.173 hours

So, it takes Izzy 0.173 hours = 10.4 minutes = 10 minutes 24 seconds to run through the woods.

13' 36''

-10' 24''

3' 12''

Izzy saves 3 minutes and 12 seconds cutting through the woods.

5 0
3 years ago
Pls help! 16 points:)
kenny6666 [7]

Answer: 52 degrees

Step-by-step explanation:

most likley like if correct

7 0
2 years ago
Read 2 more answers
Which inequality is represented by this graph? <br>​
erica [24]

Answer:

x > 4

Step-by-step explanation:

Because x is greater than 4

6 0
2 years ago
3(x-8) = -29.7 please solve for x
GrogVix [38]

Answer:

The answer is x= -1.9.

Use the 3 to multiply the number and the letter in the bracket... which is...

3x-24=-29.7.

3x=-29.7+24.

3x=-5.7.

x=-5.7/3.

x=-1.9.

6 0
2 years ago
laura spends 4 hours reading a book that is 76 pages long. what is the average number of pages she read per hour?
Studentka2010 [4]

The average number of pages she reads per hour is 19 pages per hour

<h3>How to determine the average number of pages she read per hour?</h3>

The given parameters are:

Number of pages = 76 pages

Number of hours = 4 hours

The average number of pages she reads per hour is calculated using the following formula

Average = Number of pages/Number of hours

Substitute the known values in the above equation

Average = 76 pages/4 hours

Evaluate the quotient

Average = 19 pages per hours

Hence, the average number of pages she reads per hour is 19 pages per hours

Read more about average at:

brainly.com/question/20118982

#SPJ1

5 0
1 year ago
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