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3 years ago

Only answer if you are sure thanks!

Mathematics

2 answers:

svp [43]3 years ago

6 0

Answer:

B. (0,0)

Step-by-step explanation:

pickupchik [31]3 years ago

4 0

Answer:

B. (0, 0).

Step-by-step explanation:

The parent function is y = x^2.

The vertex is at the minimum value of this, that is when x = 0 and y = 0.

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True or false The opposite of a number is always positive

irakobra [83]

False because if the number was positive the opposite of that would be negative

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3 years ago

Read 2 more answers

Dave has 12$ to spend on a 7 dollar book and two birthday cards (c) for his friends how much can he spend on each card if he buy

anzhelika [568]

Answer:

2.50

Step-by-step explanation:

So if you have a budget of 12 dollars, and the book is 7 dollars, subtract 12-7 and you get 5 dollars. And half of 5 dollars is 2.50. And if there is 2 cards, then that means that 1 card is 2.50

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3 years ago

Prove whether the following are identities 2tanh 1/2x / 1−tanh^2 1/2 x = sinh x

Tanzania [10]

Recall that

$\cosh^2(x) - \sinh^2(x) = 1$

Dividing both sides by cosh²(x) gives

$1 - \tanh^2(x) = \mathrm{sech}^2(x)$

Also, recall the identity

$\sinh(2x) = 2\sinh(x)\cosh(x)$

Then

$\dfrac{2\tanh\left(\frac x2\right)}{1 - \tanh^2\left(\frac x2\right)} = \dfrac{2\tanh\left(\frac x2\right)}{\mathrm{sech}^2\left(\frac x2\right)} \\\\ \dfrac{2\tanh\left(\frac x2\right)}{1 - \tanh^2\left(\frac x2\right)} = 2\tanh\left(\dfrac x2\right)\cosh^2\left(\dfrac x2\right) \\\\ \dfrac{2\tanh\left(\frac x2\right)}{1 - \tanh^2\left(\frac x2\right)} = 2\sinh\left(\dfrac x2\right)\cosh\left(\dfrac x2\right) \\\\\dfrac{2\tanh\left(\frac x2\right)}{1 - \tanh^2\left(\frac x2\right)} = \sinh(x)$

4 0

3 years ago

A fair coin is tossed 6 times. Compute the probability of tossing 6 tails in a row.

Fofino [41]

Answer:

1/6

Step-by-step explanation:

5 0

4 years ago

Sin(x)= 4/5 dilated by 2

Damm [24]

It would remain the same (4/5). <span>Sin of the angle is unchanged regardless of the size; it is a ratio related only to the angle, not the size of the triangles.</span>

6 0

3 years ago