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Lerok [7]
2 years ago
9

NEEED HELP NOW ASAP

Mathematics
2 answers:
svetlana [45]2 years ago
6 0

Answer:

I think the answer is A

Step-by-step explanation:

Since the amp is 2pi, it is y=sin

since the period is 1 and the phase shift is -pi/3, the equation can be then y=sin(x+pi/3)

nirvana33 [79]2 years ago
4 0

Answer:

Y = -5 sin (2x -3π)

Step-by-step explanation:

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A glass plummet weighs 14.35 g in air 5 points 11.40 g when immersed in water, and 8.95 g when immersed in sulfuric acid. Calcul
elena-s [515]

Answer:

0.865

Step-by-step explanation:

Specific gravity is a ratio of the weight of a substance to the weight of an equal volume of a substance chosen as a standard. The standard for liquid and solids is water while for gas is hydrogen.

Amount of displaced oil = 12.64 g — 9.12 g = 3.52 g

Amount of displaced water = 12.64 g — 8.57 g = 4.07 g

Specific gravity of oil = 3.52 g / 4.07 g = 0.865

6 0
2 years ago
What does the expression x ≤ 4 mean in word form?
fiasKO [112]

Answer:

x is less than or equal to 4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
'Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear
Tatiana [17]

Answer:

  • <u>59.0891 g (rounded to 4 decimal places)</u>

Explanation:

<em>Half-life time</em> of a radioactive substance is the time for half of the substance to decay.

Thus, the amount of the radioactive substance that remains after a number n of half-lives is given by:

  • A=A_0\cdot (1/2)^n

Where:

  • A is the amount that remains of the substance after n half-lives have elapses, and
  • A₀ is the starting amount of the substance.

In this problem, you have that the half-live for your sample (polonium-210) is 138 days and the number of days elapsed is 330 days. Thus, the number of half-lives elapsed is:

  • 330 days / 138 days = 2.3913

Therefore, the amount of polonium-210 that will be left in 330 days is:

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5 0
2 years ago
Does anybody know about this I'm stuckes it's about angles ​
Lera25 [3.4K]

Answer:

the answer is 25 degrees

7 0
2 years ago
Read 2 more answers
Simplify the expression c^-6 * d^4/ c^-16 * d^14​
Naily [24]

Answer:

\dfrac{c^{10}}{d^{10}}

Step-by-step explanation:

Although the way you wrote problem, this is not what it looks like, I think this is what you meant.

\dfrac{c^{-6} \times d^{4}}{c^{-16} \times d^{14}} =

= \dfrac{c^{-6}}{c^{-16}} \times \dfrac{d^{4}}{d^{14}}

= c^{-6 - (-16)} \times d^{4 - 14}

= c^{-6 + 16} \times d^{-10}

= c^{10} \times d^{-10}

= \dfrac{c^{10}}{d^{10}}

7 0
2 years ago
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