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Mathematics

1 answer:

pochemuha4 years ago

8 0

Answer:

Number of banquets 5

Mass of one bouquet 3d +4d+v

Mass of tulips 4t

Mass of daffodils 3d

Step-by-step explanation:

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Element X decays radioactively with a half life of 8 minutes. If there are 480 grams of

Vaselesa [24]

Answer:

40.8 minutes

Step-by-step explanation:

Element X decays radioactively with a half life of 8 minutes. If there are 480 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 14 grams?

The formula to find how long it would take which is the time elapsed is given as:

t = t½ × In(Nt/No)/-In2

t = ?

t½ = 8 minutes

Nt = Amount after the time of decay = 14 grams

No = Original Amount of substances = 480 grams

t = 8 × In(14/480)/-In2

t = 40.796285388407 minutes

Approximately to the nearest tenth = 40.8 minutes

Therefore, it would take the element X, 40.8 minutes to decay to 14 grams

6 0

3 years ago

Let g be the piecewise defined function shown.

gogolik [260]

For this case we have the following function:
$g(x) = \left \{ {{x+4} \atop {2-x}} \right.$
For each of the domains we will choose a value.
We have then:

For −5 ≤ x ≤ −1
Let's choose the value of x = -3
Evaluating the function we have:
$g(x) = x+4

 g(-3) = -3+4

 g(-3) = 1$
Answer:
g(-3) = 1

For −1 < x ≤ 5:
Let's choose the value of x = 0
Evaluating the function we have:
$g(x) = 2-x

 g(0) = 2-0

 g(0) = 2$
Answer:
g(0) = 2

5 0

4 years ago

Read 2 more answers

Solve 0 = - x^2 + 10x - 8

Bogdan [553]

Answer:

x = 5 +- √17

Step-by-step explanation:

0 = -x^2 + 10x - 8

-(-x^2 + 10x - 8) = 0

Now do the quadratic formula with x^2 - 10x + 8 = 0

a = 1