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gizmo_the_mogwai [7]
3 years ago
14

Find the slope given the two points below: (-8, — 11), (-1, 17)

Mathematics
2 answers:
scoray [572]3 years ago
5 0

Answer:

Slope: 4

Step-by-step explanation:

Shalnov [3]3 years ago
4 0

Answer: The slope is 4

Step-by-step explanation:

Slope formula:

m = \frac{y_{2}-y_{1}  }{x_{2}- x_{1} }

m = \frac{17 - (-11) }{-1 -(-8) }

m = \frac{17 +11 }{-1 +8}

m = \frac{28 }{7}=m = \frac{4}{1}=m =4

m = 4

The slope is 4

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Pls i will give brainliest<br> solve the equation: 3x^3-x^2=x^2
lora16 [44]

Answer:

x = 0 , 2/3

Step-by-step explanation:

3x^3-x^2=x^2

3x^3-2x^2=0

x^2(3x-2)=0

Now split into two equations:

1)

x^2=0

x=0

2)

3x-2=0

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3 0
2 years ago
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Which of the following expressions is equal to 3x^2 + 27
Kisachek [45]
Factor: 
3x^2 + 27
= 3(x^2  + 9)
Answer is 3(x^2 + 9), when factored.


A) (3x + 9i)(x + 3i)
= (3x + 9i)(x + 3i)
= (3x)(x) + (3x)(3i) + (9i)(x) + (9i)(3i)
= 3x^2 + 9ix + 9ix + 27i^2
= 27i^2 + 18ix + 3x^2



B) (3x - 9i)(x + 3i)
= (3x +  - 9i)(x + 3i)
= (3x)(x) + (3x)(3i) + ( - 9i)(x) + (- 9i)(3i)
= 3x^2 + 9ix - 9ix - 27i^2
= 27i^2 + 3x^2


C) (3x - 6i)(x + 21i)
= (3x +  - 6i)(x + 21i)
= (3x)(x) + (3x)(21i) + (- 6i)(x) + ( -6i)(21i)
= 3x^2 + 63ix - 6ix - 126i^2
=  - 126i^2 + 57ix + 3x^2






D) (3x - 9i)(x - 3i)
=  (3x +   - 9)(x +  - 3)
= (3x)(x) + (3x)( - 3i) + (- 9)(x) + ( - 9)( - 3i)
= 3x^2 - 9ix - 9x + 27i
= 9ix + 3x^2 + 27i - 9x









Hope that helps!!!

8 0
3 years ago
Read 2 more answers
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alisha [4.7K]
7.89 rounds off to 8
6 0
2 years ago
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Subtracting with zeroes
nexus9112 [7]
The number would stay the same because, for example, 6 - 0 can't be 0 so it would be 6.
6 0
3 years ago
Given: ∆ABC –iso. ∆, m∠BAC = 120°
lidiya [134]

Answer: P\triangle ADH = (a+b+\sqrt{a^2+b^2} ) unit

Step-by-step explanation:

Since Here Δ ABC is a isosceles triangle.

Also, AH\perp BC and HD\perp AC

Thus, ∠ ADH = 90°

That is, Δ ADH is the right angle triangle.

In which, AD = a unit and HD = b unit

And, By the definition of Pythagoras theorem,

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Since, the perimeter of a triangle = sum of the all sides of the triangle.

Therefore, perimeter of ΔADH = AD + DH + AH

= a + b + \sqrt{a^2+b^2} unit

4 0
3 years ago
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