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3 years ago

Is the result of Double 5 and add 1 the same as the result of Add 1 to 5; then double the result?

Mathematics

2 answers:

just olya [345]3 years ago

7 0

B. Double 5 plus 1 equals 11 and add 1 to 5 doubled equals 12.

borishaifa [10]3 years ago

6 0

The correct answer is b

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What is 0.7b^3•0.4b^9

Dennis_Churaev [7]

It's an expression that can be simplified to read

( 0.7 x 0.4 ) ( b³ x b⁹ )

= ( 0.28 ) ( b¹² ) = 0.28 b¹² .

4 0

3 years ago

Given that tan^2 theta=3/8,what is the value of sec theta?

algol [13]

Answer:

The value of SecФ is $\pm \sqrt{\frac{11}{8}}$ .

Step-by-step explanation:

Given as for trigonometric function :

tan²Ф = $\frac{3}{8}$

Or, tanФ = $\sqrt{\frac{3}{8} }$

∵ tanФ = $\frac{Perpendicular}{Base}$

So, $\frac{Perpendicular}{Base}$ = $\sqrt{\frac{3}{8} }$

So, Hypotenuse² = perpendicular² + base²

or, Hypotenuse² = ( $\sqrt{3}$ )² + ( $\sqrt{8}$ )²

Or, Hypotenuse² = 3 + 8 = 11

Or, Hypotenuse = ( $\sqrt{11}$ )

Now SecФ = $\frac{Hypotenuse}{Base}$

or, SecФ = $\frac{\sqrt{11}}{\sqrt{8}}$ = $\sqrt{\frac{11}{8} }$

Second Method

Sec²Ф - tan²Ф = 1

Or, Sec²Ф = 1 + tan²Ф

or, Sec²Ф = 1 + $\frac{3}{8}$

Or, Sec²Ф = $\frac{11}{8}$

Or, SecФ = $\pm \sqrt{\frac{11}{8}}$

Hence The value of SecФ is $\pm \sqrt{\frac{11}{8}}$ . Answer

7 0

3 years ago

Read 2 more answers

one side of rectangle is 3 inches shorter than the other side, the perimeter is 54 inches. what are the dimensions of the rectan

dimaraw [331]

Answer:

2x + 2(x - 3) = 54

Please mark as brainliest

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3 years ago

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-9/8 = v - 1/2 V = ????

GarryVolchara [31]

Answer: v = -5/8

Step-by-step explanation:

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2 years ago

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What is the solution to the equation below? 0.5n = 6

Tcecarenko [31]

It's 12 because if you divide 6 by 0.5 you should get 12, so basically use the opposite operation.

Hope that helps!

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3 years ago