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2 years ago

What is this plz help me

Mathematics

2 answers:

iren [92.7K]2 years ago

8 0

20 is the answer for x

enyata [817]2 years ago

8 0

Answer:

28°

I hope this helps!

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Which value is equivalent to 4

Bumek [7]

Answer:

Hey!!!!!

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Sahkfam

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3 years ago

What 6 and 7 find Missing number 56 and

stiv31 [10]

6 x 7 = 42

And the missing number is 8, because 7 x 8 = 56.

3 0

3 years ago

There was a country concert held at the park. For every 3 men there were 5 women that went to the concert. If 30 more women atte

8090 [49]

Answer:

3m == 5w, that means for such unit, there is a 2 person difference

30 person difference = 30/2 = 15units

and again one unit means 3m and 5w

so 15*3men, and 15*5women

and you can check the difference is 30

8 0

2 years ago

Anybody know the right answer?

Dmitry_Shevchenko [17]

If we just have

$y = \cos x$

that's an amplitude of 1 and a period of $2\pi$

Let's modify this step by step.

Amplitude of 4. Four times the amplitude means a factor of 4 on the outside.

$y = 4 \cos x$

Period of π. Double the period means a factor of 2 on the inside.

$y = 4 \cos(2x)$

Horizontal shift of π/2 to the left. To the left means adding a positive number to x. The question appear ambiguous. It's not clear to me if we add to x or 2x; let's make it

$y = 4 \cos(2(x + \frac \pi 2))$