2 years ago

What is 2x – 4 = 2? Please answer soon!

Mathematics

2 answers:

frozen [14]2 years ago

4 0

Add 4 to the right side of the equation to get sex then divide that by 2X and you get 3

aniked [119]2 years ago

4 0

Answer:

x = 3

Step-by-step explanation:

2(3) - 4 = 2

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Natali [406]

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2 years ago

The function f(t) = 5 cos(pi over 6t) + 7 represents the tide in Stanley Sea. It has a maximum of 12 feet when time (t) is 0 and

Juliette [100K]

The function for the height is
$f(t) = 5cos( \frac{ \pi }{6} t)+7$

f(0) = 5 cos(0) + 7 = 5 + 7 = 12 (verified)
The period is T = 12 hours.

After 4 hours (t = 4), the height is
$f(4) = 5cos( \frac{ 4\pi }{6} )+7 = 5*(-0.5)+7=4.5$

A graph of f(t) confirms the answer.

Answer: 4.5 ft

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2 years ago

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sertanlavr [38]

Answer:

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Step-by-step explanation:

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2 years ago

Find |-54| <br> A. 54<br> B. -54

Zinaida [17]

The absolute value of -54 is 54.

So The answer is A

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2 years ago

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A right triangle's height is 3 times the length of its base. if the area of the triangle is 486, what is the height?

Irina-Kira [14]

The formula of the area of a triangle:
$A_\Delta=\dfrac{bh}{2}$
b - the bash - the height
We have:
b - the base3b - the height486 - the area

Substitute:
$\dfrac{3b\cdot b}{2}=486\ \ \ |\cdot2\\\\3b^2=972\ \ \ |:3\\\\b^2=324\to b=\sqrt{324}\\\\b=16\to h=3b=3\cdot18=54$
Answer: The length of the height is equal 54 units.

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2 years ago