2 years ago

Just need help with solving for x

Mathematics

1 answer:

Luda [366]2 years ago

4 0

Answer:

13.83431104

Step-by-step explanation:

use sin (opposite/hypotenuse) and solve

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A passenger escalator travels from the first floor to the fifth floor a distance of 10 m in 10 seconds what is the escalator spe

Mumz [18]

It is presumed that the 10m is the vertical distance in 4 floors so 10meters divided by 10 seconds is 1m/second is the average speed of the escalator. Hard to add anything to this to make up to the required 40 words.

5 0

4 years ago

Expand and simplify (<img src="https://tex.z-dn.net/?f=2x%5E%7B2%7D" id="TexFormula1" title="2x^{2}" alt="2x^{2}" align="absmidd

kupik [55]

Answer:

2x(5x + 14) + 15

Step-by-step explanation:

Given: (2 $x^{2}$ + 3)(4x + 5) - 8x( $x^{2}$ - 2)

(2 $x^{2}$ + 3)(4x + 5) - 8x( $x^{2}$ - 2) = 2 $x^{2}$ (4x + 5) + 3(4x + 5) - 8x( $x^{2}$ - 2)

= (8 $x^{3}$ + 10 $x^{2}$ + 12x + 15) - 8 $x^{3}$ + 16x

= 8 $x^{3}$ + 10 $x^{2}$ + 12x + 15 - 8 $x^{3}$ + 16x

collecting like terms to have,

8 $x^{3}$ - 8 $x^{3}$ + 10 $x^{2}$ + 12x + 16x + 15

10 $x^{2}$ + 28x + 15

Thus,

(2 $x^{2}$ + 3)(4x + 5) - 8x( $x^{2}$ - 2) = 10 $x^{2}$ + 28x + 15

= 2x(5x + 14) + 15

5 0

3 years ago

Every week a company provides fruit for its office employees. They can choose from among five kinds of fruit. What is the probab

ladessa [460]

Answer:

option A 1/5, 3/10, 1/15, 4/15, 1/6

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3 years ago

If f(x)=-3x-2, find each value.<br> 1. f(3)

rewona [7]

Answer:

Step-by-step explanation:

plug in 3 for x then simplify

-3(3) - 2

= -9 - 2

= -11

hope this helps <3

7 0

3 years ago

PLEASE HELP I DON'T GET THIS!!!!!!!!!!!!!!!!!!!!!!

Shtirlitz [24]

Answer:

Step-by-step explanation:

Get two points:

(0, 3) and (-6, 0)

Slope = 0.5

y = 0.5x + 3

4 0

4 years ago

Read 2 more answers