3 years ago

Cuando es 2+2?solo estoy viendo que tan certeros son y aparte son puntos gratis

Mathematics

2 answers:

olga nikolaevna [1]3 years ago

8 0

Answer:

Step-by-step explanation:

bija089 [108]3 years ago

5 0

Answer:

four (4) gracias!!!!!!

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Find the exact value by using a half-angle identity.<br><br> tan seven pi divided by eight

murzikaleks [220]

9514 1404 393

Answer:

1 -√2

Step-by-step explanation:

$\tan(x/2)=\dfrac{1-\cos(x)}{\sin(x)}\\\\\tan\left(\dfrac{1}{2}\cdot\dfrac{7\pi}{4}\right)=\dfrac{1-\cos\dfrac{7\pi}{4}}{\sin\dfrac{7\pi}{4}}=\dfrac{1-\dfrac{1}{\sqrt{2}}}{-\dfrac{1}{\sqrt{2}}}=\boxed{1-\sqrt{2}}$

tan(7π/8) = 1 -√2

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2 years ago

Solve f(2) for f(x)=x-51<br><br> f(2)= [?]

givi [52]

Plug in 2 for x. f(20=2-51 = -49

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3 years ago

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HELP ME PLEASE!!!!!!! What is the volume of the cube?

tatiyna

The answer is A. 3375 mm^3. This is because, since it is a cube, all of the sides are the same, meaning that you have to do 15 × 15 = 225, and then multiply that by 15 which is 3375. I hope this helps!

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3 years ago

Solve the equations and match them with their solutions.

Artyom0805 [142]

1 is x=13.5

2 is x=-260

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3 years ago

Mika wants to buy two types of cookies. The vanilla cookies cost $4 per box and the peanut butter cookies cost $6 per box. She w

ollegr [7]

Answer:

A & B

Step-by-step explanation: