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andrew11 [14]
2 years ago
13

What is the slope of (3,9) and (5,7)

Mathematics
2 answers:
kirill [66]2 years ago
8 0

Answer:

The slope is 1 and the y-intercept is 4.

Step-by-step explanation:

According to the rise-over-run formula:

<u>y2 - y1</u>

x2 - x1

We can insert 9 and 7 into the top (y) half

<u>9 - 7</u>

x2 - x1

and we can insert 5 and 3 to the bottom (x) half.

<u>9 - 7</u>

5 - 3

Continuing:

<u>2</u> = <u>1</u>

<u>2</u>    1

Slope = 1.

(Finding y-intercept you can insert (3, 9) or (5, 7) into y = mx+b, finding B and inserting your slope into m.)

lesantik [10]2 years ago
5 0

Answer:

Step-by-step explanation:

-2/2

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12x^2+20=50 what is x
LenaWriter [7]

Answer: x=1.5811389999999999 , or 1.59

Step-by-step explanation:

First, Subtract 20 from both sides.

      12x2+20−20=50−20

      12x2=30

 Then, Divide both sides by 12:

12x^2/12 = 30/12

⇒ you get : x^2 = 5/2

After, Take square root.

x= ± √ 5/2

Finally you answer is going to be =1.5811389999999999 OR, 1.59

* Hopefully this helps:) Mark me the brainliest:)

<em>∞ 234483279c20∞</em>

7 0
3 years ago
5x + 6(x - 2) - 8 (x - 3)
Alex Ar [27]

Answer:

The value of x=-4. The figure is also attached below.

Step-by-step explanation:

Considering the expression

5x + 6(x - 2) - 8 (x - 3)

If we have to find the vale of x, then

5x + 6(x - 2) - 8 (x - 3)=0

5x+6x-12-8\left(x-3\right)=0

5x+6x-12-8x+24=0

3x+12=0

\mathrm{Subtract\:}12\mathrm{\:from\:both\:sides}

3x+12-12=0-12

3x=-12

\mathrm{Divide\:both\:sides\:by\:}3

\frac{3x}{3}=\frac{-12}{3}

x=-4

Therefore, the value of x=-4. The figure is also attached below.

Keywords: equation

Learn more about equation solution from brainly.com/question/13678520

#learnwithBrainly

5 0
3 years ago
My sisters phone is dead and she needs to know his question so I'll just tell you it!...
Vanyuwa [196]
 I used a calculator and it said the answer is 430858661.

The only way I know how to do this sort of long sum is with a calculator....
All you need to do is input 43789 * 9 + 138 * 12 - 1345 + 124556 x 3456 - 1287 and you will get the answer. Converted the words into the numerical symbols like times to *

If you want it to be more readable add commas so it's 430,858,661. You do it every 3 numbers. 

You'll want to do it the right order of operations since not all calculators do this automatically and it's a good habit >_>, using an acronym like BIDMAS (using the brit acronym lol) is a good way to remember this (<span>Brackets, Indices, Division, Multiplication, Addition, Subtraction)

So you'll need to do the multiplication first and then the addition and then the subtraction so this is the correct order. You want to use the brackets so it does it in the right order. 
(43 789 * 9) + (138 * 12) - 1345 + (124 556 x 3456) - 1287</span>
5 0
3 years ago
Describe the pattern 3, 0, -3, 0, 3, 0 and find the next number in the sequence
Leni [432]
The sequence is -3, -3, +3, +3
the next number is -3
3 0
3 years ago
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James earns $584 per week. If he receives a pay increase of 7.5%, find:
liberstina [14]
So the pay after the increase is 4380 so subtract 4380-584 which equals 3796.
3 0
2 years ago
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