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3 years ago

Please help for brainliest answer

Mathematics

1 answer:

Dimas [21]3 years ago

7 0

Answer:

3360 cm^2

Step-by-step explanation:

24 times 14 times 10 = 3360

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Nata [24]

The answer to 7 is 7

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3 years ago

Verify which of the following are identities.

ch4aika [34]

Answer:

Step-by-step explanation:

Equation 1:

$1+\frac{\cos^{2} \theta}{\cot^{2} \theta(1-\sin^{2} \theta)}\\ \\ 1+\frac{\sin^{2} \theta}{\cos^{2} \theta} \\ \\ 1+\tan^{2} \theta \\ \\ \sec^{2} \theta$

Equation 2:

$15\cos \theta \left(\frac{1}{\cos \theta}-\frac{\cot \theta}{\csc \theta} \right) \\ \\ 15\cos \theta \left(\frac{1}{\cos \theta}-\frac{\cos \theta / \sin \theta}{1/\sin \theta} \right) \\ \\ 15\cos \theta \left(\frac{1}{\cos \theta}-\cos \theta \right) \\ \\ 15\cos \theta \left(\frac{1-\cos^{2} \theta}{\cos \theta} \right) \\ \\ 15(1-\cos^{2} \theta) \\ \\ 15\sin^{2} \theta$

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2 years ago

The diagram shows a square based cuboid. Work out the volume of the cuboid. State the units of your answer.

Leni [432]

Answer:

160cm³

Step-by-step explanation:

square based means equal sides

therefore 4cm×4cm=16cm²

16cm²×10cm=160cm³

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3 years ago

F (x) = -2x + 1, find f (1/2)

Sergio [31]

The answer is 0
-2(1/2)+1 =0

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3 years ago

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PLEASE HELP HELPPPPPPPPP

professor190 [17]

Answer:

x+2y=- 7

x-2y =9

Step-by-step explanation:

Solving Steps

2x+4y=-14

x-2y=9

Divide both sides

(2x+4y) ÷2=-14=2

{x-2y=9

Remove the parentheses

Divide

2x÷2+4y÷2=-7

x-2y =9

Divide

Solution

x+2y=- 7

x-2y =9

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3 years ago

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