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4 years ago

Can anyone help me with these?

Mathematics

1 answer:

Lapatulllka [165]4 years ago

6 0

Answer:

im sorry i have no idea

Step-by-step explanation:

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Find the value of x.

Gemiola [76]

Answer:

Step-by-step explanation:

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4 years ago

Plssss help quick i need it for sum important

Vanyuwa [196]

(a) The product of $(2x-4)\ and\ (3x^2-x+4)$ is calculated to be $=6x^3-14x^2+12x-16$

(b)The product of $(2x-4) \ and\ (3x^2-x+4)\$ is not equal to the product of $(4x-2)\ and\ (3x^2-x+4)$

<u>Step-by-step explanation:</u>

$(2x-4)(3x^2-x+4)\\\\=(2x.3x^2)+(2x.-x)+(2x.4)+(-4.3x^2)+(-4.-x)+(-4.4)\\\\=6x^3-2x^2+8x-12x^2+4x-16\\\\=6x^3-14x^2+12x-16$

$(4x-2)(3x^2-x+4)\\\\=(4x.3x^2)+(4x.-x)+(4x.4)+(-2.3x^2)+(-2.-x)+(-2.4)\\\\=12x^3-4x^2+16x-6x^2+2x-8\\\\=12x^3-10x^2+18x-8$

The product of $(2x-4) \ and\ (3x^2-x+4)\$ is not equal to the product of $(4x-2)\ and\ (3x^2-x+4)$

7 0

3 years ago

Two ships leave a port at the same time.

Oksi-84 [34.3K]

Answer: 49.8 nautical miles

Step-by-step explanation:

Angle between routes = 125⁰

after 2 hours :-

d² = 24² + 32² - 2 x 24 x 32 cos 125⁰

d = 49•8 nautical miles

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3 years ago

What is the surface area of a triangular pyramid if each face has an area of 30 mm2?

coldgirl [10]

The answer must be $120\quad m{ m }^{ 2 }$ since the triangular pyramid has 4 faces and each has an area of 30 $m{ m }^{ 2 }$ we should multiply that by 4 , so :

$4\cdot 30\quad m{ m }^{ 2 }=\quad 120\quad m{ m }^{ 2 }$

7 0

3 years ago

Read 2 more answers

4x + y > -6 order pair solution

slamgirl [31]

I guess it could be anything? because it says 4 times x + y is GREATER THAN -6

6 0

4 years ago