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dem82 [27]
2 years ago
8

Factorise fully 12x³ - 30x²​

Mathematics
1 answer:
MariettaO [177]2 years ago
5 0

Answer:

6x² (2x - 5)

Step-by-step explanation:

12x³ - 30x²

= 6x² (2x - 5)

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B=3 V/h<br> I’m supposed to solve the question for V.
FromTheMoon [43]
Answer:
V=Bh/3

Explanation:
B=3V/h
1) Multiply h on both sides.
Bh=3v
2) Divide both sides by 3
Bh/3=V
6 0
2 years ago
Could someone help me out?
worty [1.4K]

Since the grade of the numerator and the denominator is the same, then the limit exists and is distinct from 0. The limit of the expression is 4/7.

<h3>How to determine the limit of a rational expression when x tends to infinite</h3>

In this problem we must apply some algebraic handling and some known limits to determine whether the limit exists or not. The limit exists if and only if the result exists.

\lim_{x \to \infty} \frac{4\cdot x - 1}{7\cdot x + 3}

\lim_{x \to \infty} \frac{4\cdot x - 1}{7\cdot x + 3} \cdot \frac{x}{x}

\lim_{x \to \infty} \frac{4 - \frac{1}{x} }{7 + \frac{3}{x} }

\lim_{x \to \infty} \frac{4}{7}

4/7

Since the grade of the numerator and the denominator is the same, then the limit exists and is distinct from 0. The limit of the expression is 4/7.

To learn more on limits: brainly.com/question/12207558

#SPJ1

8 0
1 year ago
5.
andrew-mc [135]

Answer:

The  angle of depression from Platform A to Platform B is 43.1^{\circ}

Step-by-step explanation:

Refer the attached figure

The horizontal distance between the  platforms is 500 feet i.e. BC = 500

The length of the zip-line is 685 feet i.e. AB = 685

We are supposed to find the  angle of depression from Platform A to Platform B

Hypotenuse = 685

Base = 500

Cos \theta = \frac{Base}{Hypotenuse}\\Cos \theta = \frac{500}{685}\\\theta = cos^{-1}(\frac{500}{685})\\\theta = 43.11^{\circ}

Hence  the  angle of depression from Platform A to Platform B is 43.1^{\circ}

4 0
3 years ago
The total of 42, 75, 189, 301, and 728 is
nordsb [41]
The total means add so,
42 + 75 + 189 + 301 + 728 = 1,335
Answer is C.

5 0
3 years ago
Read 2 more answers
Enter as a integer or decimal
valentina_108 [34]

Answer:

x = - 6

Step-by-step explanation:

Given

4(x + 6) - 2x = 12 ← distribute and simplify left side

4x + 24 - 2x = 12

2x + 24 = 12 ( subtract 24 from both sides )

2x = - 12 ( divide both sides by 2 )

x = - 6

3 0
3 years ago
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