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3 years ago

Helphelphelphelphelp

Mathematics

2 answers:

Helga [31]3 years ago

4 0

Answer:

Step-by-step explanation:

mezya [45]3 years ago

3 0

Answer:

Step-by-step explanation:

You have to add you exponents and the missing exponent which is 14 plus 2 equals 16

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What’s the answer to 2(4+9w)

maks197457 [2]

Answer:

8+18W

Step-by-step explanation:

distribute the 2 into the parentheses. 2×4 is 8 and 2×8 is 18.

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4 years ago

How many times 0.05 is 0.5

andreyandreev [35.5K]

0.05 X 10 = .5 because 5 x 10 is 50, and you add the decimal place. I hope this helps you!

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3 years ago

Read 2 more answers

√secA+tanA/√secA-tanA × √cosecA-1/√cosecA+1=1

Snowcat [4.5K]

$Use:\\\\\sec A=\dfrac{1}{\cos A}\\\\\tan A=\dfrac{\sin A}{\cos A}\\\\\csc A=\dfrac{1}{\sin A}\\\\\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\\sqrt{\dfrac{a}{b}}=\dfrac{\sqrt{a}}{\sqrt{b}}\\---------------------------------\\\\\sec A+\tan A=\dfrac{1}{\cos A}+\dfrac{\sin A}{\cos A}=\dfrac{1+\sin A}{\cos A}\\\\\sec A-\tan A=\dfrac{1-\sin A}{\cos A}\\\\\csc A-1=\dfrac{1}{\sin A}-\dfrac{\sin A}{\sin A}=\dfrac{1-\sin A}{\sin A}\\\\\csc A+1=\dfrac{1+\sin A}{\sin A}$

$\dfrac{\sqrt{\sec A+\tan A}}{\sqrt{\sec A-\tan A}}\cdot\dfrac{\sqrt{\cos A-1}}{\sqrt{\cos A+1}}=1\\\\L_s=\sqrt{\dfrac{\sec A+\tan A}{\sec A-\tan A}\cdot\dfrac{\cos A-1}{\cos A+1}}=\sqrt{\dfrac{\frac{1+\sin A}{\cos A}}{\frac{1-\sin A}{\cos A}}\cdot\dfrac{\frac{1-\sin A}{\sin A}}{\frac{1+\sin A}{\sin A}}}\\\\=\sqrt{\dfrac{1+\sin A}{\cos A}\cdot\dfrac{\cos A}{1-\sin A}\cdot\dfrac{1-\sin A}{\sin A}\cdot\dfrac{\sin A}{1+\sin A}}\\\\\text{Everything are simplified}\\\\=\sqrt{1}=1=R_s$

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3 years ago

Help me ples... I will mark u brainly ;) if u get this right and u need to explain other wise will not ;)

grin007 [14]

The answer is 1,024 pi inches 2. Hope it helps! :)

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4 years ago

Use the linear regression feature on a graphing calculator to find the correlation coefficient for the data. Round your answer t

Lerok [7]

Answer:

0.9769

Step-by-step explanation:

Given the data :

X : 7.5, 9.9, 4.8, 9, 8.1, 1.7, 3.1

Y : 35, 6, 45, 18, 20, 89, 84

The Correlation Coefficient obtained by using a graphing calculator to model the data above is : 0.9769, this means a strong positive correlation exists between the two variables.

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3 years ago