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3 years ago

What is the slope of the line that passes through the points (10,6) and (8,-16)?

Mathematics

1 answer:

tamaranim1 [39]3 years ago

8 0

Answer:

Step-by-step explanation:

m= -16-6= -22 , 8-10= -2

m = -22 / -2 = -11 / -1 = 11

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Subtract (x^2+3x-4) -(4x-2x^2-3)

Feliz [49]

Answer:

3 x^2 - x + -1

Step-by-step explanation:

Simplify the following:

-(4 x - 2 x^2 - 3) + x^2 + 3 x - 4

Factor -1 out of -2 x^2 + 4 x - 3:

--(2 x^2 - 4 x + 3) + x^2 + 3 x - 4

(-1)^2 = 1:

2 x^2 - 4 x + 3 + x^2 + 3 x - 4

Grouping like terms, 2 x^2 + x^2 + 3 x - 4 x - 4 + 3 = (x^2 + 2 x^2) + (3 x - 4 x) + (-4 + 3):

(x^2 + 2 x^2) + (3 x - 4 x) + (-4 + 3)

x^2 + 2 x^2 = 3 x^2:

3 x^2 + (3 x - 4 x) + (-4 + 3)

3 x - 4 x = -x:

3 x^2 + -x + (-4 + 3)

3 - 4 = -1:

Answer: 3 x^2 - x + -1

4 0

3 years ago

CAN I PLEASE GET HELP ON THIS??

m_a_m_a [10]

Answer:

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

How do you find the area of a triangle when given only the lengths of three sides?

SashulF [63]

Answer:

Use Heron's formula; see below.

Step-by-step explanation:

Use Heron's formula.

Let the sides of the triangle have lengths a, b, and c.

$s = \dfrac{a + b + c}{2}$

$area = \sqrt{s(s - a)(s - b)(s - c)}$

Example:

A triangle has side lengths 3, 4, and 5 units.

Find the area of the triangle.

$s = \dfrac{a + b + c}{2}$

$s = \dfrac{3 + 4 + 5}{2}$

$s = 6$

$area = \sqrt{s(s - a)(s - b)(s - c)}$

$area = \sqrt{6(6 - 3)(6 - 4)(6 - 5)}$

$area = \sqrt{6(3)(2)(1)}$

$area = \sqrt{36}$

$area = 6$

3 0

2 years ago

A block of wood has a mass of 120g and a volume of 200cm3. What is the density of the wood?

ozzi

Density=mass/volume
given mass=120g and volume=200cm3
density= $\frac{120g}{200cm^3}=\frac{3}{5} \space\ \frac{g}{cm^3}$ or abot 0.6

the density is $0.6 \space\ \frac{g}{cm^3}$

3 0

3 years ago

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What did you include in your response? Check all that

Fantom [35]

You can pick any of them it won’t hold it against you.
I do it all the time.
Have a good day

4 0

2 years ago

Read 2 more answers