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Viefleur [7K]
3 years ago
14

A sample of platinum (21.4 g/cm3 has a volume of 15.0 cm3. if the current price of platinum in u.s. dollars (usd is $57.50/g, wh

at is the value of the sample in usd?
Mathematics
1 answer:
yawa3891 [41]3 years ago
7 0
Value = 21.4 * 15 * $57.50 = $18457.5
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A bag contains 5 red marbles, 3 white marbles, and 4 blue marbles. what is the probability of randomly selecting a red marble, s
Dennis_Churaev [7]
Total number of marbles=5+3+4=12
Probability of picking a red marble =5/12
5 0
3 years ago
in the diagram below P(x:y)is a point in the third quadrant. ROP=B and 17 cos B is equal to -15 calculate the values of x and y
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4 0
2 years ago
If g(x)= 3x-1 solve for x when g(x)=-20.
Nadya [2.5K]

Good evening

Answer:

x=\frac{-19}{3}

Step-by-step explanation:

g(x) = -20

⇔

3x-1 = -20

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3x = -20 + 1

⇔

3x = -19

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x = -19/3

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3 0
3 years ago
Write a polynomial that is a trinomial, has the coefficients 3 and 4, the variable x,
vladimir1956 [14]

Answer:

3x+4x+7

Step-by-step explanation:

First, a Trinomial consists of three terms.

so we have <u>blank</u>+<u>blank</u>+<u>blank</u>

Next we need to add the coefficients.

<u>3</u>+<u>4</u>+<u>blank</u>

Add the variables.

3x+4x+<u>blank</u>

And lastly, add the constant.

3x+4x+7

Good luck!

8 0
3 years ago
Investments increase exponentially by
Blizzard [7]

Using an exponential function, it is found that you would have $10,240 after 18 years.

<h3>What is an exponential function?</h3>

An increasing exponential function is modeled by:

A(t) = A(0)(1 + r)^t

In which:

  • A(0) is the initial value.
  • r is the growth rate, as a decimal.

Considering the initial value of $2,500, and the growth rate of 60% every 6 years, the equation is given by:

A(t) = 2500(1.6)^\frac{t}{6}

Hence, after 18 years, the amount is given by:

A(18) = 2500(1.6)^\frac{18}{6} = 10240

More can be learned about exponential functions at brainly.com/question/25537936

#SPJ1

5 0
2 years ago
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