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3 years ago

.. / .... .- - . / -.-- --- ..- / -.- -.-- ... :)))<3 discord is kayleelol#6666

Mathematics

2 answers:

Mademuasel [1]3 years ago

4 0

Answer:

cool thx for the points

Step-by-step explanation:

NeTakaya3 years ago

3 0

Answer:

OK. Thanks for the points.

Step-by-step explanation:

(since when did I need to put anything here?)

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What is the value of x in the equation x – y = 30, when y = 15?

MrMuchimi

x+y=30.....(1) and x-y=2......(2) so(1)+(2)......x+y+x-y=30+2 so 2x=32...x=16 now apply x=16 in (1) so we get......16+y=30 so .......y=14

7 0

4 years ago

Read 2 more answers

Answer choices are : a. 19° b. 29° c. 161° d. 151°

MrMuchimi

Answer:

Step-by-step explanation:

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3 years ago

There is a photo attached tan 270 is incorrect!

wlad13 [49]

$\dfrac{1-\cos135^\circ}{\sin135^\circ}=\dfrac{1-\left(\cos^2 67.5^\circ-\sin^2 67.5^\circ\right)}{2\sin67.5^\circ\cos67.5^\circ}=\dfrac{1-\left(1-\sin^2 67.5^\circ-\sin^2 67.5^\circ\right)}{2\sin67.5^\circ\cos67.5^\circ}=\medskip\\=\dfrac{2\sin^2 67.5^\circ}{2\sin67.5^\circ\cos67.5^\circ}=\dfrac{\sin 67.5^\circ}{\cos 67.5^\circ}=\tan 67.5^\circ$

3 0

3 years ago

Mr. McDonald finds the lower the price of hamburgers in his restaurant, the more hamburgers he sells. This relationship can best

Alla [95]

Answer:

Negative linear relation

Step-by-step explanation:

When one variable increases (the price) while the other variable decreases (the number of hamburgers he sells) , a negative linear relationship exists.

The photo below may help you.

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3 years ago

Winne is currently considering two plans for paying for piano lessons.

SVEN [57.7K]

Answer:

Plan B

Step-by-step explanation:'

First u have to divide each one to see how much each piano lesson costs.

Plan A- 31.50/6=5.25

Plan B- 20.60/4=5.15

So since Plan B is less then Plan B would be the answer.

(Brainliest Plz)

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2 years ago