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2 years ago

HELP ME PLEASE IM BEGGING YOU

Mathematics

1 answer:

WITCHER [35]2 years ago

5 0

Answer:

Parallel

Step-by-step explanation:

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Solve for ,×. Then, circle whether each angle pair is complementary or supplementary.

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3 years ago

A 30 gram sample of a substance that's used to sterilize surgical instruments has a k-value of 0.1235. Find the substances half

jok3333 [9.3K]

Answer : The substances half life in days is, 5.6 days.

Step-by-step explanation :

Half life : It is defined as the amount of time taken by a radioactive material to decay to half of its original value.

All radioactive decays follow first order kinetics.

The relation between the half-life and rate constant is:

$k=\frac{0.693}{t_{1/2}}$

where,

k = rate constant = 0.1235 per days

$t_{1/2}$ = half-life

Now put all the given values in the above formula, we get:

$0.1235\text {days}^{-1}=\frac{0.693}{t_{1/2}}$

$t_{1/2}=5.6\text{ days}$

Thus, the substances half life in days is, 5.6 days.

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3 years ago

Which is true regarding the graphed function f(x)

KiRa [710]

Answer:

Step-by-step explanation:

f(0) = 3

of(5) = -1

f(3) = 2

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f(2)= -2

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2 years ago

Find the vertex of the parabola whose equation is y = x^2 + 8x + 12.

horsena [70]

The vertex of a parabola is the point where the parabola crosses its axis of symmetry. If the coefficient of the x 2 term is positive, the vertex will be the lowest point on the graph, the point at the bottom of the “ U ”-shape.

The vertex of the parabola whose equation is y = x^2 + 8 x + 12 will be :
(x , y) = (-4,-4)

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3 years ago

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Vika [28.1K]

Answer:

The first part is B= -2t + 95.

Step-by-step explanation:

Every hour the battery drops by 2 so the equation is

current battery charge= (time)(-2)+(starting battery charge)

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2 years ago