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2 years ago

Factorise: 54x2 + 42x3 – 30x4

Mathematics

2 answers:

skelet666 [1.2K]2 years ago

5 0

Answer:

Check the attachment above

DerKrebs [107]2 years ago

3 0

Answer:

Answer: x²(5 + 42x - 30x²)

Step-by-step explanation:

${ \tt{ {5x}^{2} + {42x}^{3} - {30x}^{4} }}$

» First factorise out x²:

$= { \tt{ {x}^{2}(5 + 42x - 30 {x}^{2} )}}$

» Then factorise the second bracket using quadratic knowledge:

${ \tt{ = {x}^{2}(5 + 42x - 30 {x}^{2} )}}$

» The second bracket can not be factorised further because its roots/zeros are not whole numbers

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Tanzania [10]

Answer:

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Step-by-step explanation:

When multiplied by itself, the root is typically a specified number of times gives a specified number or quantity. So -1 × -1 = -1

So there you go

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3 years ago

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marusya05 [52]

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3 years ago

He uses a scale of 0.5 centimeter to 1 inch to draw the flag. The length of the scale drawing is 2.5 centimeters, and its width

chubhunter [2.5K]

Answer:

Perimeter = 28.8 inch

Step-by-step explanation:

Step 1: Change given centimeters into inches according to the scale

2.5 / .5 = 5 <--- length in inches

4.7 / .5 = 9.4 <--- width in inches

^^^This is the same thing as multiplying 2.5 cm and 4.7 cm by two. You could also reword the scale to be 1 cm = 2 inch if it makes more sense for you

Step 2: Find the perimeter using the formula: P = 2L + 2W

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5 0

3 years ago

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mezya [45]

Answer:

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Step-by-step explanation:

Convert the mixed number to a decimal: 3.6666666.

Add the two decimals together.

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3 years ago

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garik1379 [7]

Wouldn’t the faces be the triangle parts ? Like p,q,o p,m,q n,o,q

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3 years ago