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2 years ago

Hello, here's the question :D

Mathematics

1 answer:

antoniya [11.8K]2 years ago

4 0

Answer:

(examples) n = 2

n = 3

n = 4

Step-by-step explanation:

to demonstrate, all you do is select a number to represent 'n' and plug it in.

so for example, n = 2:

2(2) + 3(2) = 5(2)

4 + 6 = 10, which is true.

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One end of a ramp is raised to the back of a truck 5 feet above the ground. 1 point

sveta [45]

Answer:

38.7°

Step-by-step explanation:

You are basically looking at a triangle with a 90° angle (check picture).

Since we are looking for the ramp's angle and are given the length of the opposite and the hypothenuse, we have to solve the following equation:

$sin (\alpha) = opposite / hypothenuse= 5 ft/8ft$

which is equivalent to

$\alpha = sin^{-1}(5/8)\approx 38.7\deg$

6 0

2 years ago

X cube+6x-16=0

Aleksandr-060686 [28]

Answer:

(b) {-8, 2}

Step-by-step explanation:

The given equation

x³ +6x -16 = 0

cannot be factored in integers. It has one irrational real root near x=1.759, and two complex roots.

Perhaps you want to factor ...

x² +6x -16 = 0

(x +8)(x -2) = 0

This has solutions x = -8 and x = 2 that make the factors be zero.

_____

Additional comment

"Cubed" refers to an exponent of 3.

4 0

1 year ago

Read 2 more answers

2 easy math questions!!!!!! Show work! Multiple choice!

elena55 [62]

Greetings!

Question Seven:
To find the slope given two points, we can use the slope formula:
$m= \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Input the points: (-11,5) (-6,1)
$m= \frac{1-5}{-6-(-11)}$

Simplify the equation:
$m= \frac{-4}{5}$

A parallel slope would be identical to this slope.

Therefore, the answer is B:
$\boxed{m_{2}= \frac{-4}{5}}$

-----------------------------------------------------------------------------------------------------------------

Question Eight:
This question essentially asks you to rearrange the equation into slope y-intercept form:
$y=mx+b$

Rearrange the equation:
$8x+7y=51$

$7y=-8x-51$

$y=\frac{-8x-51}{7}$

$y=\frac{-8}{7}x-\frac{51}{7}$

The slope (rate of change) is $\frac{-8}{7}$

Therefore the answer is F:
$\boxed{m=\frac{-8}{7} }$

I hope this helped!
-Benjamin

4 0

2 years ago

Read 2 more answers

5x-2=6x-8 what’s the answer

fomenos

Answer:

x=6

Step-by-step explanation:

5x = 30

30 - 2 = 28

6x= 36

36 - 8 = 28