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2 years ago

How much greater is the surface area of the rectangular prism than the surface area of the cube?

Mathematics

1 answer:

Sever21 [200]2 years ago

3 0

Answer: 18 cm2

Step-by-step explanation: the surface area of the cube is 54 cm2 and the rectangular prism is 72 cm2 so 72 - 54 = 18

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Simplify each expression.

Vikki [24]

Answer:

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Step-by-step explanation:

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2 years ago

What is the following product?

KiRa [710]

ANSWER

$2 \sqrt{42} +7 \sqrt{2}- 6- \sqrt{21}$

EXPLANATION

The given product is:

$( \sqrt{14} - \sqrt{3} )( \sqrt{12} + \sqrt{7} )$

We expand using the distributive property to obtain:

$\sqrt{14}( \sqrt{12} + \sqrt{7}) -\sqrt{3}( \sqrt{12} + \sqrt{7} )$

Extract the perfect squares to get:

$\sqrt{14}(2 \sqrt{3} + \sqrt{7}) -\sqrt{3}( 2\sqrt{3} + \sqrt{7} )$

Expand further to get;

$2 \sqrt{42} +7 \sqrt{2}- 2(3) - \sqrt{21}$

This simplifies to,

$2 \sqrt{42} +7 \sqrt{2}- 6- \sqrt{21}$

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2 years ago

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marishachu [46]

Answer:

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Step-by-step explanation:

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2 years ago

What is the rate of change between (1,15) (3,45)?

Ksivusya [100]

Answer:

Step-by-step explanation:

Rate of change or slope or gradient of a line passes two points (x1, y1) and (x2, y2) could be calculated by:

(y2 - y1)/(x2 - x1)

=> Rate of change of the line passing (1,15) and (3,45):

(45 - 15)/(3 - 1) = 30/2 = 15

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2 years ago

PLEASE HELP ILL GIVE 5 star

dezoksy [38]

Answer:

it is D hope this helps

Step-by-step explanation:

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2 years ago

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