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Paraphin [41]
3 years ago
5

Find the slope of line passing through the two points, (1, -4) and (5, -8).

Mathematics
2 answers:
Sholpan [36]3 years ago
7 0

Answer:

m=-1

Step-by-step explanation:

So our equation to find the slope is:

       y₂-y₁

m=   -------

       x₂-x₁

(1,-4) is our first coordinate pair, which means that we will put them like this:

1=x₁

-4=y₁

(5,-8) is our second coordinate pair, which means that we will put them like this:

5=x₂

-8=y₂

We can substitute these numbers into the original equation:

     -8-(-4)

m= ---------

       5-1

Then we can simplify::

-8+4     -4

------- = ---- =  -1

 4         4

m=-1

<em>~Happy Holidays~ :)</em>

photoshop1234 [79]3 years ago
5 0

Answer: y= -1x+b, or -x+b

Step-by-step explanation:

The slope is 1 because you have to plug in the formula, y2-y1/x2-x1.  -8-(-4)/5-1. This is equal to -4/4, which is -1.

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4) The diameter of a circle is 32m. The radius is represented by 4(x + 2).
vaieri [72.5K]

Answer:

The value of x is 2

Step-by-step explanation:

Diameter = 2r -------------------------------------------------------------------(1)

where r is the radius

The value of the diameter = 32 m   and  radius is given to be 4(x+2)

substitute the above into equation (1)   and then solve for x

32  =  2 [ 4(x + 2)]

first open the inner bracket

32 = 2[4x + 8}

then open the outer bracket

32 = 8x + 16

subtract 16 from both-side of the equation

32 - 16 = 8x +16 - 16

16 = 8x

Divide both-side of the equation by 8

16/8  = 8x/8

2 = x

x = 2

Therefore, the value of x is 2

3 0
3 years ago
Henry's soccer team is trying to raise $864 to travel to a tournament in Florida, so they decided to host a pancake breakfast. E
Kitty [74]

Answer:

Step-by-step explanation:

12/864 = 71 r4

5 0
3 years ago
Help asap Please Urgent!!!!
vlabodo [156]
There are 14 times in the table.  Add up all 14 times, and divide the sum by 14.  The result is the "mean 100-meter sprint time," assuming that you've rounded this off to the nearest tenth of a second.

3 0
3 years ago
Read 2 more answers
Pls help I will mark brainlyesd
aev [14]
First, we have to solve for x by isolating it on one side.
6x + 10 = -8
(Subtract 10 from both sides)
6x = -18
(Divide both sides by 6)
x = -3

On option C, x is on -3, so that would be the correct answer
7 0
2 years ago
A blazer cost $38 and you pay $39.90. how much is the sales tax rate
geniusboy [140]
To find the percentage, you divide the new price ($39.90) by the original price ($38), and the multiply it by 100 to change the answer from a decimal to a percentage:

39.90 / 38 x 100 = 105

So 39.90 is 105% of 38

To get our final answer, subtract this by 100%

105 - 100 = 5%

ANSWER: So the percentage increase of the price is 5%  ($1.90)

5 0
2 years ago
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